Skocz do pozycji: 1.

Tytuł:

UFA TO TAO
UFA IS TAO

Autorzy:

Weseli, Agnieszka
Ferens, Dominika

Powiązania:

https://bibliotekanauki.pl/articles/1205339.pdf

Data publikacji:

2010

Wydawca:

Uniwersytet Warszawski. Ośrodek Studiów Amerykańskich

Opis:

"What is this UFA?" The more the question comes up, the harder it is to answer. Once someone suggested that it should be answered by means of negations: "UFA is not a dog," "UFA is not cup of tea," "UFA is not a flat wrench"... Because the tao that can be defined is not the real tao.
"Co to jest ta UFA?" - im częściej pada to pytanie, tym trudniej na nie odpowiedzieć. Kiedyś pojawił się pomysł, żeby odpowiadać przeczeniami: "UFA to nie pies", "UFA to nie szklanka herbaty", "UFA to nie klucz nastawny płaski"... Ponieważ tao, które można opisać, nie jest prawdziwym tao.

Źródło:

InterAlia: Pismo poświęcone studiom queer; 2010, 5
1689-6637

Pojawia się w:

InterAlia: Pismo poświęcone studiom queer

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 2.

Tytuł:

Wizualizacja przepływu ciepła w kamiennym regeneratorze przy wykorzystaniu technologii Tao Framework
The visualization of heat flow in a rock bed by using TAO Framework technology

Autorzy:

Joachimiak, H.
Mueller, W.
Weres, J.
Nowakowski, K.

Powiązania:

https://bibliotekanauki.pl/articles/335310.pdf

Data publikacji:

2009

Wydawca:

Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych

Tematy:

wizualizacja
ogrzewanie
technologia TAO Framework
visualization
heat
technology TAO Framework

Opis:

Jednym z istotnych elementów, decydujących o właściwym zrozumieniu badanego zjawiska, którego charakter jest złożony, a zarazem przestrzenny, jest jego wizualizacja, na podstawie danych otrzymanych z doświadczenia, bądź w wyniku zrealizowania symulacji komputerowej na bazie określonego modelu systemu empirycznego. Stąd w kontekście aktualnych osiągnięć, techniki wizualizacji pełnią jedną z najskuteczniejszych metod interpretacji pokaźnej liczby danych, ponieważ przedstawiają je w formie, pozwalającej na szybkie i poprawne sformułowanie wniosków dotyczących badanego systemu. W niniejszym artykule, autorzy dokonali przeglądu jednej z najnowszych technologii informatycznych, pozwalającej między innymi na różnorodną graficzną reprezentację danych, jaką jest TAO Framework. Określili również jej przydatność z perspektywy wykorzystania tej techniki do wizualizacji przepływu ciepła, zachodzącego podczas fazy stagnacji kamiennego akumulatora.
One of many essential factors, determining right understanding of conducted experiment, that its nature is complex and spacious, it is its visualization on the basis of experimental data or as a result ofcomputer simulation implementation on the basis of an empirical system model. From this it follows, that at the present time the visualization technologies perform one of the best method of large dataset interpretation, because they show the data in this way, that they let us to form conclusions fast and correctly, concerning a studied system. In this article, the authors have checked one of the newest information technology, allowing various graphical representation of data like Tao Framework. Authors have determined also the use-fulness this technology in visualization of heat flow, occurring during hold mode of a rock bed.

Źródło:

Journal of Research and Applications in Agricultural Engineering; 2009, 54, 2; 48-50
1642-686X
2719-423X

Pojawia się w:

Journal of Research and Applications in Agricultural Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 3.

Tytuł:

Tao of Security. A Study of Far-Eastern Security Culture Genesis

Autorzy:

Grabińska, Teresa
Piwowarski, Juliusz

Powiązania:

https://bibliotekanauki.pl/articles/1832639.pdf

Data publikacji:

2017

Wydawca:

Wyższa Szkoła Bezpieczeństwa Publicznego i Indywidualnego Apeiron w Krakowie

Tematy:

Buddism
security culture
Tao
Sun Tzu

Opis:

The work contains an analysis of security culture phenomenon from the perspective of Sun Tzu. The idea here is to build the entire universe and a placed-in man, as an area in which operate the impact from the energy of macrocosm. It is the same – corresponding to the body of the universe – with microcosm – the body of a human being immersed in the interaction energy of the endless universe. This concept, combining with the ideas of Confucianism and Buddhism, which here are not broadly discussed, has practical application for over two thousand years in the deliberations on the various areas of human activity. The principles of building and applying of strategies and tactics are to some extent determined by the rhythm of the endless universe cosmic energy – chi (qi). Prevention of risks in an effective way by competent governance in time of peace, and a skilful command in war, comes down to an agile mediation between “Heaven” and “Earth” to use the rhythm of cosmic harmony in the ranks of subordinates.

Źródło:

Security Dimensions; 2017, 22(22); 30-54
2353-7000

Pojawia się w:

Security Dimensions

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 4.

Tytuł:

Ponadczasowa więź architektury i urbanistyki z naturą na przykładzie Chin – od Tao do współczesności
A Timeless Relationship of Architecture and Urbnism with Nature – The Example of China Since Tao to Contemporaneity

Autorzy:

Kosiński, Wojciech

Powiązania:

https://bibliotekanauki.pl/articles/527181.pdf

Data publikacji:

2019

Wydawca:

Krakowska Akademia im. Andrzeja Frycza Modrzewskiego

Tematy:

creating space with nature
Tao – harmony – road
China
architectural evolution
kreowanie przestrzeni z naturą
Tao – harmonia – droga
Chiny
ewolucje architektury

Opis:

This article is the result of the author’s research done twice in China: a study trip organized by the Cracow University of Technology in 2014 and in 2019, during the Joint Studio programme co-organized by Andrzej Frycz Modrzewski Krakow University and Chinese Tsinghua University of Beijing. The subject coincides with this issue’s topic – the role of nature in architectural creations. China is a great example in this respect, where for thousands of years nature has been treated by the creators of cities and buildings with the highest respect and friendship, especially in the idea of Tao that arose around the 6th century BC. and used it successfully ever since. The relationship between nature and architecture/city planning has varied throughout history and has been intensified in different cultural eras and styles. This demonstrates a wonderful historical panorama. Moreover, it offers contemporary architects a universal, international and useful lesson about China, sustainability, ecology, and high aesthetics.
Niniejszy artykuł jest rezultatem badań autora dokonywanych dwukrotnie w Chinach: w 2014 roku podczas wyjazdu studialnego organizowanego przez Politechnikę Krakowską oraz w 2019 roku w czasie programu Joint Studio współorganizowanego przez Krakowską Akademię im. Andrzeja Frycza Modrzewskiego i chińską uczelnię Tsinghua University z Pekinu. Przedstawiony temat jest zbieżny z problematyką niniejszego numeru czasopisma, którą jest rola natury w kreacjach architektonicznych. Znakomitym przykładem w tej mierze są Chiny, gdzie przez tysiące lat natura była traktowana przez twórców miast i budowli z najwyższym szacunkiem i przyjaźnią, szczególnie w idei Tao zaistniałej około VI wieku p.n.e. i stosowanej z sukcesami po dziś dzień. Relacje natura – architektura/planowanie miast były zróżnicowane poprzez historię oraz bardziej lub mniej zintensyfi kowane w różnych epokach kulturowych i stylach. Ukazuje to czytelnikom wspaniałą panoramę historyczną oraz oferuje współczesnym architektom uniwersalną, międzynarodową i użyteczną lekcję płynącą z Chin, która odnosi się do zrównoważenia, ekologii oraz estetyki wysokiej.

Źródło:

Państwo i Społeczeństwo; 2019, 3; 13-52
1643-8299
2451-0858

Pojawia się w:

Państwo i Społeczeństwo

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 5.

Tytuł:

Outline of past landscape architecture influenced by Tao - based on examples selected from Chinese metropolises
Zarys dawnej architektury krajobrazu o wpływach idei Tao – na przykładach wybranych z chińskich metropolii

Autorzy:

Kosiński, W.

Powiązania:

https://bibliotekanauki.pl/articles/370490.pdf

Data publikacji:

2018

Wydawca:

Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie

Tematy:

landscape
design
influence
space
Tao
krajobraz
kreacja
oddziaływanie
przestrzeń

Opis:

The concept of Tao is a timeless factor in, among other disciplines, the design of space. The author presents an outline of this subject in the form of results of on-site research of examples of the most important central complexes in two leading Chinese metropolises. The subtle harmony of Tao also results in a subconscious influence. Conclusions from this research demonstrate that Taoism can permeate the creation and reception of works despite different styles being used in them. Thanks to this it can currently constitute an important factor in light of the paradigm of sustainable design.
Idea Tao jest ponadczasowym czynnikiem między innymi w projektowaniu przestrzeni. Autor prezentuje szkicowo na ten temat, rezultaty badań dokonanych „in situ” na przykładzie najważniejszych zespołów centralnych w dwóch czołowych metropoliach chińskich. Subtelna harmonijność Tao powoduje też oddziaływanie podświadome. Wnioski z tych badań ukazują że taoizm może przenikać tworzenie i odbiór dzieł pomimo stosowania w nich innych stylistyk. Dzięki temu może obecnie stanowić ważny czynnik wobec paradygmatu projektowania zrównoważonego.

Źródło:

Przestrzeń i Forma; 2018, 36; 323-334
1895-3247
2391-7725

Pojawia się w:

Przestrzeń i Forma

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 6.

Tytuł:

On sums of five almost equal prime squares

Autorzy:

Liu, Jianya
Zhan, Tao

Powiązania:

https://bibliotekanauki.pl/articles/1391073.pdf

Data publikacji:

1996

Wydawca:

Polska Akademia Nauk. Instytut Matematyczny PAN

Źródło:

Acta Arithmetica; 1996, 77, 4; 369-383
0065-1036

Pojawia się w:

Acta Arithmetica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 7.

Tytuł:

Study on tensile fracture failure of a steel plate with a surface crack

Autorzy:

Chong, Zhewen
Tao, Jing
Xie, Yuehui
Wu, Dongrong
Li, Tao

Powiązania:

https://bibliotekanauki.pl/articles/2200891.pdf

Data publikacji:

2023

Wydawca:

Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej

Tematy:

steel plate
surface crack
stress intensity factor
SIF
fracture failure

Opis:

In order to study the effect of different surface crack parameters on the fracture failure of steel plate, the model was established by FEM. The results showed that the edge surface crack has the greatest influence on the fracture failure of the steel plate, and for non-edge surface cracks, the central surface crack has the greatest influence on the fracture failure of the steel plate. The larger the a/t and the smaller the a/c, the easier the steel plate fracture failure occurs. The a/c has a certain influence on the variation law of K and the position where Kmax appears.

Źródło:

Journal of Theoretical and Applied Mechanics; 2023, 61, 2; 343--354
1429-2955

Pojawia się w:

Journal of Theoretical and Applied Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 8.

Tytuł:

Godot w Wuhan Z Wang Chongiem i Peng Tao rozmawiają Tomasz Wiśniewski i Katarzyną Kręglewska
Godot in Wuhan. Tomasz Wiśniewski and Katarzyną Kręglewska in conversation with Wang Chong and Peng Tao

Autorzy:

Wiśniewski, Tomasz
Kręglewska, Katarzyna

Powiązania:

https://bibliotekanauki.pl/articles/1835562.pdf

Data publikacji:

2021-10

Wydawca:

Instytut im. Jerzego Grotowskiego we Wrocławiu

Źródło:

Didaskalia. Gazeta Teatralna; 2021, 165; 512-527
2720-0043

Pojawia się w:

Didaskalia. Gazeta Teatralna

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 9.

Tytuł:

Experimental study and numerical simulation on fly ash separation with different plate voltages in rotary triboelectrostatic separator

Autorzy:

Zhang, L.
Tao, Y.
Tao, D.
Zhang, W.
Yang, L.

Powiązania:

https://bibliotekanauki.pl/articles/110712.pdf

Data publikacji:

2018

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

fly ash
rotary triboelectrostatic separator
plate voltage
numerical simulation

Opis:

As the main solid wastes of coal-fired power plants, fly ash particles with different electrical properties are usually recycled using triboelectrostatic separator. The purpose of this study was to investigate the effect of different plate voltages on the separation of fly ash in a rotary triboelectrostatic separator with experiments and numerical simulation. The maximum values of yield of ash products (48.30%), and decarbonisation rate (50.89%) and the minimum loss-on-ignition (6.61%) were obtained when the plate voltage was 24 kV in the separation experiments, while 55.98%, 59.46%, 5.80% were reached respectively when the plate voltage was 26 kV in the simulation. In general, experimental data were similar with numerical simulation. The turning points appeared around 25 kV due to the increasing mismatch in products, which resulted from the reinforced rebound phenomena, namely the charged particle rebound from the electrode plate with a larger reflection velocity, when the plate voltage increased from 18 to 28 kV. It was validated by the numerical simulation results.

Źródło:

Physicochemical Problems of Mineral Processing; 2018, 54, 3; 722-731
1643-1049
2084-4735

Pojawia się w:

Physicochemical Problems of Mineral Processing

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 10.

Tytuł:

Singular integrals with holomorphic kernels and Fourier multipliers on star-shaped closed Lipschitz curves

Autorzy:

Qian, Tao

Powiązania:

https://bibliotekanauki.pl/articles/1219972.pdf

Data publikacji:

1997

Wydawca:

Polska Akademia Nauk. Instytut Matematyczny PAN

Opis:

The paper presents a theory of Fourier transforms of bounded holomorphic functions defined in sectors. The theory is then used to study singular integral operators on star-shaped Lipschitz curves, which extends the result of Coifman-McIntosh-Meyer on the $L^2$-boundedness of the Cauchy integral operator on Lipschitz curves. The operator theory has a counterpart in Fourier multiplier theory, as well as a counterpart in functional calculus of the differential operator 1/i d/dz on the curves.

Źródło:

Studia Mathematica; 1997, 123, 3; 195-216
0039-3223

Pojawia się w:

Studia Mathematica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 11.

Tytuł:

Principles of positron porosimetry

Autorzy:

Zaleski, R.

Powiązania:

https://bibliotekanauki.pl/articles/146520.pdf

Data publikacji:

2015

Wydawca:

Instytut Chemii i Techniki Jądrowej

Tematy:

porous materials
positron annihilation lifetime spectroscopy (PALS)
positronium
extended Tao-Eldrup model

Opis:

The paper deals with positron porosimetry (PP), which is based on positron annihilation lifetime spectroscopy (PALS). The numerical analysis of positron lifetime spectra for PP is more demanding than in most of other applications of PALS. The resulting intensity distributions of ortho-positronium (o-Ps) lifetimes are interpreted in terms of the extended Tao-Eldrup (ETE) model, which provides the dependence between the o-Ps lifetime and pore size. Additionally, the relation between the intensity of an o-Ps component and the pore volume allows obtaining pore size distribution (PSD). The value of the empirical parameter Δ, which is dependent on material, can be estimated from the temperature dependence of an o-Ps lifetime. The most unique feature of PP among other techniques that allow determination of PSDs is its ability to perform measurements in almost any conditions. This makes this method suitable for various in situ studies. In this review article, both the capabilities and the limitations of PP are discussed. The methods to overcome some of the limitations are presented.

Źródło:

Nukleonika; 2015, 60, No. 4, part 1; 795-800
0029-5922
1508-5791

Pojawia się w:

Nukleonika

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 12.

Tytuł:

Can Tao-Eldrup Model Be Used at Short o-Ps Lifetime?

Autorzy:

Zgardzińska, B.

Powiązania:

https://bibliotekanauki.pl/articles/1196041.pdf

Data publikacji:

2014-03

Wydawca:

Polska Akademia Nauk. Instytut Fizyki PAN

Tematy:

78.70.Bj
14.60.Cd

Opis:

The distortion of estimated void radii introduced by assumption of an infinite potential depth in the Tao-Eldrup model is discussed. If the deviation by 10% is still acceptable, the range of ortho-Ps lifetimes at which the model gives correct radii is from 1.8 to 6.2 ns.

Źródło:

Acta Physica Polonica A; 2014, 125, 3; 700-701
0587-4246
1898-794X

Pojawia się w:

Acta Physica Polonica A

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 13.

Tytuł:

Boundedness of singular integral operators with holomorphic kernels on star-shaped closed Lipschitz curves

Autorzy:

Gaudry, Garth
Qian, Tao
Wang, Silei

Powiązania:

https://bibliotekanauki.pl/articles/966841.pdf

Data publikacji:

1996

Wydawca:

Polska Akademia Nauk. Instytut Matematyczny PAN

Opis:

The aim of this paper is to study singular integrals T generated by holomorphic kernels defined on a natural neighbourhood of the set ${zζ^{-1}: z, ζ ∈ , z ≠ ζ}$, where is a star-shaped Lipschitz curve, $ ={ exp(iz) : z = x+iA(x), A' ∈ L^{∞}[-π,π], A(-π ) =A(π)}$. Under suitable conditions on F and z, the operators are given by (1) $TF(z)= p.v. ∫_ (zη^{-1})F(η)(dη/η).$ We identify a class of kernels of the stated type that give rise to bounded operators on $L^{2} (,|d|)$. We establish also transference results relating the boundedness of kernels on closed Lipschitz curves to corresponding results on periodic, unbounded curves.

Źródło:

Colloquium Mathematicum; 1996, 70, 1; 133-150
0010-1354

Pojawia się w:

Colloquium Mathematicum

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 14.

Tytuł:

A Hybrid Density Functional Study on PuN

Autorzy:

Yang, Rong
Tang, Bin
Gao, Tao

Powiązania:

https://bibliotekanauki.pl/articles/1029819.pdf

Data publikacji:

2018-01

Wydawca:

Polska Akademia Nauk. Instytut Fizyki PAN

Tematy:

plutonium mononitride
density-functional theory
hybrid functional

Opis:

The structural, magnetic, electronic, dynamical and thermodynamic properties of PuN have been studied within the frameworks of the density-functional theory, DFT+U and hybrid DFT. The calculations have been performed using the full-potential-linearized augmented plane-wave method. The ferromagnetic and antiferromagnetic configurations are considered in this work. The lattice constants, bulk moduli, densities of states, and thermodynamic data have been computed and compared to available experimental data and other theoretical calculations published in the literature. Total energy results obtained with DFT+U and hybrid DFT indicate that the ground state of PuN is antiferromagnetic, in agreement with experiment. The chemical bonds between Pu and N have a mixture of covalent and ionic components, but the ionic character is stronger than covalent character. The phonon dispersion curves and the optical-mode frequencies are also reported. At last, the effect of spin-orbit coupling on the structural, magnetic, and electronic properties of PuN has been discussed.

Źródło:

Acta Physica Polonica A; 2018, 133, 1; 32-38
0587-4246
1898-794X

Pojawia się w:

Acta Physica Polonica A

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 15.

Tytuł:

Tocharian A ārkiśoṣi ‘world with radiance’ and Chinese suo po shi jie ‘world of sabhā’

Autorzy:

Pan, Tao

Powiązania:

https://bibliotekanauki.pl/articles/2035886.pdf

Data publikacji:

2022-01-14

Wydawca:

Polska Akademia Nauk. Instytut Kultur Śródziemnomorskich i Orientalnych PAN

Tematy:

Tocharian
Sanskrit
Chinese
world
ārkiśoṣi

Opis:

This article provides an explanation for the single and puzzling Tocharian B gloss śaiṣṣe ‘world’ (instead of Tocharian A ārkiśoṣi) for Sanskrit jagat- ‘world’ on a Sanskrit fragment SHT 4438 with all the other glosses in Tocharian A. Based on a detailed study of the Sanskrit and Chinese texts, Tocharian A ārkiśoṣi is very likely the loan translation of Sanskrit sā̆bhāloka(dhātu)- ‘a world with radiance’, which is preserved in the Chinese translations by Kumārajīva and other translators connected with Kucha. In the Kucha area, the first part sā̆bhā- was understood as containing -(ā)bhā- ‘radiance’. Buddhist Sanskrit sa(b)hāloka(dhātu)- is built from sa(b)hāpati- ‘master of sa(b)hā world’, epithet of the highest divinity Brahmā in the sahāloka-, which derives via Middle Indic from the older epithet sabhāpati- ‘owner of the assembly hall’ in Atharvaveda. The excursus at the end offers a glimpse into the complicated transmission process of Chinese Buddhist terminology based on the analysis of Chinese sha men ‘monk’ and he shang ‘teacher, monk’.

Źródło:

Acta Asiatica Varsoviensia; 2021, 34; 263-294
0860-6102

Pojawia się w:

Acta Asiatica Varsoviensia

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 16.

Tytuł:

Effect of temperature control and high humidity on the preservation of Jufeng grapes

Autorzy:

Zhang, M.
Tao, Q.
Huan, Y.
Wang, H.
Li, C.

Powiązania:

https://bibliotekanauki.pl/articles/24881.pdf

Data publikacji:

2002

Wydawca:

Polska Akademia Nauk. Instytut Agrofizyki PAN

Źródło:

International Agrophysics; 2002, 16, 4; 277-281
0236-8722

Pojawia się w:

International Agrophysics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 17.

Tytuł:

Generalized PI observer design for descriptor linear system

Autorzy:

Wang, Xin-Tao
Yu, Hai-Hua

Powiązania:

https://bibliotekanauki.pl/articles/229300.pdf

Data publikacji:

2019

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

generalized proportional-integral observer
Sylvester matrix equation
regularity
impulse-freeness

Opis:

A kind of generalized proportional-integral (GPI) observer for descriptor linear systems is introduced. We first propose two complete parametric solutions to generalized Sylvester matrix equation corresponding to the left eigenvector matrices in the case of Jordan form. Then a parametric design approach for the observer is presented. The proposed method provides all parametric expression of the gain matrices and the corresponding finite left eigenvector matrix and guarantees the regularity and impulse-freeness of the expanded error system. Two numerical examples are given to explain the design procedure and illustrate the effectiveness of the proposed method.

Źródło:

Archives of Control Sciences; 2019, 29, 4; 585-601
1230-2384

Pojawia się w:

Archives of Control Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 18.

Tytuł:

Pośledniość polityki w doktrynach religii chińskich. Niedziałanie (wuwei) jako zasada panowania

Autorzy:

Kosior, Krzysztof

Powiązania:

https://bibliotekanauki.pl/articles/421160.pdf

Data publikacji:

2012

Wydawca:

Akademia Ignatianum w Krakowie

Tematy:

konfucjanizm
taoizm
mędrzec-władca
Niebo
Tao
autokultywacja
pewność (cheng)
niedziałanie (wuwei)

Opis:

Artykuł dotyczy kształtowania się idei mędrca-władcy w starożytnej chińskiej myśli religijnej.  Oddający się zapamiętale autokultywacji władca, może osiągnąć cnotę cechującą Niebo (czy Tao). Dzięki temu może przewodzić państwu tak jak samo Niebo (czy Tao), to znaczy bez uciekania się do jakiejkolwiek aktywności politycznej. Mędrzec-władca nie działa, a wszystkie sprawy toczą się w należytym porządku.

Źródło:

Horyzonty Polityki; 2012, 3, 4; 89-105
2082-5897

Pojawia się w:

Horyzonty Polityki

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 19.

Tytuł:

The ternary Goldbach problem in arithmetic progressions

Autorzy:

Liu, Jianya
Zhan, Tao

Powiązania:

https://bibliotekanauki.pl/articles/1390842.pdf

Data publikacji:

1997

Wydawca:

Polska Akademia Nauk. Instytut Matematyczny PAN

Tematy:

ternary Goldbach problem
exponential sum over primes in arithmetic progressions
mean-value theorem

Opis:

For a large odd integer N and a positive integer r, define b = (b₁,b₂,b₃) and $(N,r) = {b∈ ℕ³ : 1 ≤ b_j ≤ r, (b_j, r) = 1$ and b₁+b₂+b₃ ≡ N (mod r)}. It is known that $#(N,r) = r² ∏_{p|r}_{p|N} ((p-1)(p-2)/p²) ∏_{p|r}_{p∤N} ((p²-3p+3)/p²)$. Let ε > 0 be arbitrary and $R = N^{1/8-ε}$. We prove that for all positive integers r ≤ R, with at most $O(Rlog^{-A}N)$ exceptions, the Diophantine equation N = p₁+p₂+p₃, ⎨ $p_j ≡ b_j (mod r),$ j = 1,2,3,$ ⎩ with prime variables is solvable whenever b ∈ (N,r), where A > 0 is arbitrary.

Źródło:

Acta Arithmetica; 1997, 82, 3; 197-227
0065-1036

Pojawia się w:

Acta Arithmetica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 20.

Tytuł:

Numerical simulation of flow field in enhanced gravity concentrator

Autorzy:

Zhu, X.
Tao, Y.
Zhang, L..

Powiązania:

https://bibliotekanauki.pl/articles/110160.pdf

Data publikacji:

2018

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

numerical simulation
enhanced gravity concentrator
three-dimensional velocity
turbulence characteristics

Opis:

Enhanced gravity concentrator have excellent separation accuracy for the fine mineral particles. However, its internal flow characteristics are still in unclear. Therefore, numerical simulation was conducted to study the flow characteristics of concentrator. Effect of centrifugal force and fluidization water pressure on the velocity component of fluid was studied. The simulation accuracy was verified by the theoretical calculation. The turbulence intensity in the radial direction was analyzed to reveal the gradient characteristics. Results show that the three-dimensional velocity has different order of magnitude. The increase of centrifugal force significantly improves the three-dimensional velocity of fluid. However, the fluidization water pressure has little influence on the tangential velocity and axial velocity, but it can effectively improve the radial velocity. High turbulent flow energy and high turbulence dissipation rate are presented in the near wall region, which allows the light particles reentering the separation region. Meanwhile, the fluid presents stable flow pattern in the fall wall region that is conducive to the stratification process. In addition, the increase of centrifugal force increases the turbulence in the near wall region; however, fluidization pressure has no effect.

Źródło:

Physicochemical Problems of Mineral Processing; 2018, 54, 3; 975-980
1643-1049
2084-4735

Pojawia się w:

Physicochemical Problems of Mineral Processing

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 21.

Tytuł:

Empirical Study of the Evolution of Python Questions on Stack Overflow

Autorzy:

Syam, Gopika
Lal, Sangeeta
Chen, Tao

Powiązania:

https://bibliotekanauki.pl/articles/9783959.pdf

Data publikacji:

2023

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

Python programming
Software Development
Stack Overflow
Topic Modelling

Opis:

Background: Python is a popular and easy-to-use programming language. It is constantly expanding, with new features and libraries being introduced daily for a broad range of applications. This dynamic expansion needs a robust support structure for developers to effectively utilise the language. Aim: In this study we conduct an in-depth analysis focusing on several research topics to understand the theme of Python questions and identify the challenges that developers encounter, using the questions posted on Stack Overflow. Method:We perform a quantitative and qualitative analysis of Python questions in Stack Overflow. Topic Modelling is also used to determine the most popular and difficult topics among developers. Results: The findings of this study revealed a recent surge in questions about scientific computing libraries pandas and TensorFlow. Also, we observed that the discussion of Data Structures and Formats is more popular in the Python community, whereas areas such as Installation, Deployment, and IDE are still challenging. Conclusion: This study can direct the research and development community to put more emphasis on tackling the actual issues that Python programmers are facing.

Źródło:

e-Informatica Software Engineering Journal; 2023, 17, 1; 230107
1897-7979

Pojawia się w:

e-Informatica Software Engineering Journal

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 22.

Tytuł:

Research on resilience model of UAV swarm based on complex network dynamics

Autorzy:

Wei, Kunlun
Zhang, Tao
Chuanfu, Zhang

Powiązania:

https://bibliotekanauki.pl/articles/28328275.pdf

Data publikacji:

2023

Wydawca:

Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN

Tematy:

UAV swarm
resilience
SIS
system dynamics
topology

Opis:

Unmanned Aerial Vehicle (UAV) swarms are utilized in various missions and operated within an open environment that is prone to disruptions. The resilience of UAV swarms, an important requirement, mainly revolves around ensuring stable and uninterrupted operations. Malicious attacks can implement the adverse impacts of potential threats through swarm communication links. In this context, the SIS (Susceptible → Infected → Susceptible) method is suitable for describing the information transmission within UAV swarms. An enhanced resilience model of the UAV swarm is proposed in this study, which incorporates the factors of self-dynamics, dynamics of topology, dynamics of information transmission, and SIS into the complex network model. Self-dynamics refer to the internal dynamics of the drones. In this paper, dynamics of topology consist of three factors: the varying distance between drones, the incoming degrees of each drone, and the number of communication types between drones. Lastly, dynamics of information transmission are characterized by SIS. The model proposed in this paper has the capability to effectively capture changes in the network topology as well as the dynamics of the system, which are significant contributors to the loss of resilience. And then, the average number of susceptible drones is utilized as the metric to evaluate the resilience of the swarm. Furthermore, an experiment is conducted where a UAV swarm successfully carries out a surveillance mission to demonstrate the advantages of our proposed method. The proposed model not only enables the support of mission planning but also facilitates the design enhancements of UAV swarms.

Źródło:

Eksploatacja i Niezawodność; 2023, 25, 4; art. no. 173125
1507-2711

Pojawia się w:

Eksploatacja i Niezawodność

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 23.

Tytuł:

The $L^p$ solvability of the Dirichlet problems for parabolic equations

Autorzy:

Tao, Xiang Xing

Powiązania:

https://bibliotekanauki.pl/articles/1206127.pdf

Data publikacji:

2000

Wydawca:

Polska Akademia Nauk. Instytut Matematyczny PAN

Tematy:

parabolic equation
$L^p$ solvability
Dirichlet problems
Lip(1,1/2) cylinder

Opis:

For two general second order parabolic equations in divergence form in Lip(1,1/2) cylinders, we give a criterion for the preservation of $L^p$ solvability of the Dirichlet problems.

Źródło:

Studia Mathematica; 2000, 139, 1; 69-80
0039-3223

Pojawia się w:

Studia Mathematica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 24.

Tytuł:

Ultrafiltration treatment of wastewater contained heavy metals complexed with palygorskite

Autorzy:

Ren, Jun
Cao, Tiany
Yang, Xin
Tao, Ling

Powiązania:

https://bibliotekanauki.pl/articles/778555.pdf

Data publikacji:

2020

Wydawca:

Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie

Tematy:

palygorskite
heavy metals
ultrafiltration
complexation
pH
ionic strength

Opis:

Palygorskite was applied in complexation-ultrafiltration treatment of heavy metals in wastewater under different pH and ionic strength. The results indicated that the rejection of heavy metals increased significantly with pH value, and decreased slightly with an increase of ionic strength of Na⁺ and Cl^-. A certain concentration of NaCl significantly reduced the rejection rate of Cu²⁺. The rejection of Cu²⁺, Zn²⁺ and Cd²⁺ could reach over 86.8%, 93.6% and 93.7% at pH of 7 and 0.1 mol/L NaCl. The rejection of heavy metals was severely affected by low molecular weight competing complexing agents and the effect of sodium tartrate was greater than triethanolamine. In the presence of sodium tartrate, the rejection of Cu²⁺, Zn²⁺ and Cd²⁺ could arrive over 81.4%, 57.6% and 60.5% at pH of 7 in 20 min. Palygorskite was offered a potential complexing agent for the removal of heavy metals in wastewater at the complexation-ultrafiltration process.

Źródło:

Polish Journal of Chemical Technology; 2020, 22, 4; 1-9
1509-8117
1899-4741

Pojawia się w:

Polish Journal of Chemical Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 25.

Tytuł:

Case study of developing an integrated water and nitrogen scheme for agricultural system on the North China Plain

Autorzy:

Liu, Y.
Tao, F.
Lao, Y.
Ma, J.

Powiązania:

https://bibliotekanauki.pl/articles/25700.pdf

Data publikacji:

2013

Wydawca:

Polska Akademia Nauk. Instytut Agrofizyki PAN

Opis:

Appropriate irrigation and nitrogen fertilization, along with suitable crop management strategies, are essential prerequisites for optimum yields in agricultural systems. This research attempts to provide a scientific basis for sustainable agricultural production management for the North China Plain and other semi-arid regions. Based on a series of 72 treatments over 2003-2008, an optimized water and nitrogen scheme for winter wheat/summer maize cropping system was developed. Integrated systems incorporating 120 mm of water with 80 kg N ha-1 N fertilizer were used to simulate winter wheat yields in Hebei and 120 mm of water with 120 kg N ha-1 were used to simulate winter wheat yields in Shandong and Henan provinces in 2000-2007. Similarly, integrated treatments of 40 kg N ha-1 N fertilizer were used to simulate summer maize yields in Hebei, and 80 kg N ha-1 was used to simulate summer maize yields in Shandong and Henan provinces in 2000-2007. Under the optimized scheme, 341.74 107 mm ha-1 of water and 575.79 104 Mg of urea fertilizer could be saved per year under the wheat/maize rotation system. Despite slight drops in the yields of wheat and maize in some areas, water and fertilizer saving has tremendous long-term eco-environmental benefits.

Źródło:

International Agrophysics; 2013, 27, 4
0236-8722

Pojawia się w:

International Agrophysics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 26.

Tytuł:

Research on composite manufacturing method of semi-buried 1×32 optical splitter

Autorzy:

Tao, Qing
Xie, Sihao

Powiązania:

https://bibliotekanauki.pl/articles/27310089.pdf

Data publikacji:

2023

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

optical splitter
composite manufacturing method
EOPCB
electro-optical printed circuit board

Opis:

In this paper, a composite manufacturing method was proposed to reduce the inner surface roughness of silica groove. Firstly, femtosecond laser was used to ablate the silica groove, then, a 5% concentration hydrofluoric acid solution was used to corrode the inner surface of silica groove. Secondly, Su8 adhesive was filled with the groove to form a semi-buried 1×32 optical splitter by doctor blade. The test results showed that the surface roughness Ra was less than 0.2 μm, and average insertion loss of output ports was 21.34 dB, moreover, the uniformity was less than 1.44 dB. Compared with the traditional femtosecond laser ablating method, surface roughness reduced by at least 0.1 μm, and the average insertion loss of output ports was reduced by 1.22 dB, and the uniformity was reduced by 0.41 dB. So, the composite manufacturing method improved the communication performance. It is satisfied with the requirements for optical interconnection in the electro-optical printed circuit boards.

Źródło:

Optica Applicata; 2023, 53, 2; 185--197
0078-5466
1899-7015

Pojawia się w:

Optica Applicata

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 27.

Tytuł:

Indigenous Costume Color of Bangladesh: A Traditional Context for Cultural Revival

Autorzy:

Minhus, S. M.
Hui, Tao
Huie, Liang

Powiązania:

https://bibliotekanauki.pl/articles/2171987.pdf

Data publikacji:

2022

Wydawca:

Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych

Tematy:

Bangladesh
tradition
costume
colour preferences
cultural studies
aesthetics
decoration

Opis:

Traditional elements are generally influenced as the symbols of cultural context that contains the sign of the past. Costume color study of Bangladesh mainly found through psychological thinking that depends on several factors, such as the use of traditional festival elements from history, costume color aesthetics, costume decoration colors of selected geographical regions To analyze costume color firstly, Zaltman Metaphor Elicitation Technique (ZMET) visual analysis method was performed that gives in-depth thoughts on research viewpoints; secondly, statistical analysis was done from research questionaries’ report, and the result has shown that the traditional colors analyzed from the visual analysis are significant. The findings of this analysis would be beneficial in establishing the concept of clothing color in Bangladeshi culture, also presenting an appreciation of the traditional context for the art design learner.

Źródło:

Fibres & Textiles in Eastern Europe; 2022, 2 (151); 123--132
1230-3666
2300-7354

Pojawia się w:

Fibres & Textiles in Eastern Europe

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 28.

Tytuł:

Inversion of side scan sonar motion and posture in seabed geomorphology

Autorzy:

Tao, W.
Liu, Y.
Hu, H.

Powiązania:

https://bibliotekanauki.pl/articles/258774.pdf

Data publikacji:

2017

Wydawca:

Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa

Tematy:

side scan sonar
image matching
image fusion
neutral network
motion inversion

Opis:

Side scan sonar measurement platform, affected by underwater environment and its own motion precision, inevitably has posture and motion disturbance, which greatly affects accuracy of geomorphic image formation. It is difficult to sensitively and accurately capture these underwater disturbances by relying on auxiliary navigation devices. In this paper, we propose a method to invert motion and posture information of the measurement platform by using the matching relation between the strip images. The inversion algorithm is the key link in the image mosaic frame of side scan sonar, and the acquired motion posture information can effectively improve seabed topography and plotting accuracy and stability. In this paper, we first analyze influence of platform motion and posture on side scan sonar mapping, and establish the correlation model between motion, posture information and strip image matching information. Then, based on the model, a reverse neural network is established. Based on input, output of neural network, design of and test data set, a motion posture inversion mechanism based on strip image matching information is established. Accuracy and validity of the algorithm are verified by the experimental results.

Źródło:

Polish Maritime Research; 2017, S 2; 81-88
1233-2585

Pojawia się w:

Polish Maritime Research

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 29.

Tytuł:

Is a regional trading bloc forming in southeast Asia? New evidence for ASEAN countries

Autorzy:

Cieślik, Andrzej
Song, Tao

Powiązania:

https://bibliotekanauki.pl/articles/2035810.pdf

Data publikacji:

2012-12-28

Wydawca:

Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych

Tematy:

ASEAN
Free trade area
Gravity model
Panel data
Preferential trade liberalization

Opis:

This article studies the impact of ASEA N on the bilateral exports of its 10 member countries. It reports the results of applying the gravity model to a data set covering 50 partner countries from 1967 to 2008. The study’s empirical findings show that on average ASEA N regionalism significantly increases bilateral exports. However, the results are country-specific and indicate that ASEA N seems to benefit only large economies with a long history of membership, while smaller more recent members do not show significant expansion of exports.

Źródło:

Miscellanea Geographica. Regional Studies on Development; 2012, 16, 2; 23-29
0867-6046
2084-6118

Pojawia się w:

Miscellanea Geographica. Regional Studies on Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 30.

Tytuł:

Thermodynamics and Kinetics Analysis on Carbothermic Reduction of Calcined Magnesite in Vacuum

Autorzy:

Tang, Qifeng
Ao, Jinqing
Peng, Biyou
Guo, Biao
Yang, Tao

Powiązania:

https://bibliotekanauki.pl/articles/2125546.pdf

Data publikacji:

2022

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

calcined magnesite
carbothermic reduction
vacuum
thermodynamics
kinetics

Opis:

The carbothermic reduction of calcined magnesite in vacuum was studied. By thermodynamic analysis, the starting temperature of reduction reaction dropped from 2173K to 1523K when system pressure dropped from 1 atmosphere to 100 Pa. The experiments were carried out at different conditions under 10~100 Pa and the experimental results shown that the reduction extent of MgO improved by increasing the reaction temperature and time, the pellet forming pressure as well as adding fluoride as catalyst. The rate-determining step of carbothermic reduction process was gas diffusion with the apparent activation energy of 241.19~278.56 kJ/mol.

Źródło:

Archives of Metallurgy and Materials; 2022, 67, 3; 1021--1026
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 31.

Tytuł:

The Preparation and Properties of Low-Nitrogen Nitrocellulose by Alkaline Denitration

Autorzy:

Tao, Zhongan
Li, Shiying
Ding, Yajun
Xiao, Zhongliang

Powiązania:

https://bibliotekanauki.pl/articles/1062782.pdf

Data publikacji:

2020

Wydawca:

Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego

Tematy:

waste
high-nitrogen nitrocellulose
denitration
nitrogen content
explosion heat
recycling

Opis:

Waste high-nitrogen nitrocellulose (NC) has always been disposed of as hazardous material for destruction, and has not been recycled as a resource. The present work describes how waste high-nitrogen NC may be converted to low-nitrogen NC via an alkaline denitration reaction between sodium hydrosulfide and the nitrate ester groups, in order to control and reduce the nitrogen content for industrial products. Scanning electron microscopy (SEM), infrared spectroscopy (FT-IR), 1H nuclear magnetic resonance spectroscopy (1H NMR) and X-ray diffraction (XRD) were used to detected the changes in the surface morphology and chemical structure of the NC samples. TG-DSC tests analyzed the decomposition temperature and the heat released on thermal decomposition, and the explosion heat was obtained by calorimetry. The results demonstrated that the denitration reaction does not destroy the skeletal structure of NC. Notably, the nitrogen content of NC may be reduced from 12.92 to 10.74%, generating the level for industrial products (N <12%). Moreover, NC samples with different nitrogen contents have similar decomposition trends and decomposition temperatures, but the heat released is gradually decreased and the explosion heat is significantly reduced, and confirms the successful partial removal of nitrate ester groups from NC. Therefore, the alkaline denitration affords a potential method for recycling waste high-nitrogen NC.

Źródło:

Central European Journal of Energetic Materials; 2020, 17, 4; 535-551
1733-7178

Pojawia się w:

Central European Journal of Energetic Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 32.

Tytuł:

Influence of polysorbate 80 on the flotation of zinc oxide ores with amines

Autorzy:

Xie, Qiaoling
Wang, Dandan
Han, Zhichao
Tao, Huchun
Liu, Sitong

Powiązania:

https://bibliotekanauki.pl/articles/2146852.pdf

Data publikacji:

2022

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

polysorbate 80
pretreated amines
zinc oxide
flotation

Opis:

In this study, the influence of polysorbate 80 on zinc oxide flotation was investigated with an amine collector. The results indicated that the pretreatment of amines with polysorbate 80 enhanced the Zn grade and recovery obtained using zinc oxide flotation. Desliming prior to flotation is not suggested based on the results of this study. The appropriate temperature for flotation was as low as 8 °C, and this flotation method also could be applied to different types of zinc oxide ores. Under optimum flotation conditions, a concentrate with a Zn grade of 48.34% and a Zn recovery of 95.97% was obtained.

Źródło:

Physicochemical Problems of Mineral Processing; 2022, 58, 1; 149--158
1643-1049
2084-4735

Pojawia się w:

Physicochemical Problems of Mineral Processing

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 33.

Tytuł:

Pinellia ternata agglutinin produced in Bombyx mori cells exhibits bioactivity

Autorzy:

Xu, Tao
Wang, Bo
Wang, Liya
Zhang, Yaozhou
Lv, Zhengbing

Powiązania:

https://bibliotekanauki.pl/articles/1039738.pdf

Data publikacji:

2012

Wydawca:

Polskie Towarzystwo Biochemiczne

Tematy:

Pinellia ternata agglutinin
silkworm bioreactor
plant lectin
Bombyx mori cells

Opis:

Pinellia ternata agglutinin (PTA) is highly homologous to many other monocot mannose-binding lectins which reportedly possess antitumor activities. Its production in silkworm cells has great application potential because the baculovirus expression system can produce post-translationally modified proteins at low cost. In the current study, the pta gene was cloned and expressed in silkworm cells, and the expressed protein was analyzed using a hemagglutination assay. A preliminary in vitro study on its anti-proliferative activity was performed. The results show that the recombinant PTA with an apparent molecular mass of 29 kDa can hemagglutinate rabbit erythrocytes and this activity can be inhibited by D-mannan at a low concentration. In addition, the recombinant hemagglutinin exhibited a dose-dependent anti-proliferative activity on hepatoma cells. The results of the current study suggest that PTA and other important bioactive proteins could be produced by silkworm bioreactor for biomedicine research and application.

Źródło:

Acta Biochimica Polonica; 2012, 59, 2; 231-236
0001-527X

Pojawia się w:

Acta Biochimica Polonica

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 34.

Tytuł:

Harmonic mitigation in 18-pulse rectifier based on zigzag autotransformer by DC side auxiliary circuit

Autorzy:

Liu, Jiongde
Chen, Xiaoqiang
Wang, Ying
Chen, Tao

Powiązania:

https://bibliotekanauki.pl/articles/949860.pdf

Data publikacji:

2020

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

18-pulse rectifier
harmonic suppressing
zigzag autotransformer

Opis:

To improve the power quality of a multi-pulse rectifier, a zigzag 18-pulse uncontrolled rectifier with an auxiliary circuit at the DC side is proposed. When the grid-side currents are sinusoidal waves, the required DC side injection currents to be compensated can be obtained by analyzing the AC-DC side relationship of diode bridge rectifiers. Then the 6 compensation currents generated by an active auxiliary circuit are injected into the DC side to eliminate the grid-side harmonics of the rectifier. The simulation results verifying the correctness of the theoretical analysis show that the proposed rectifier can mitigate the harmonic content, as the total harmonic distortion of the grid-side current is about 1.45%. In addition, the single-phase inverter used in the active auxiliary circuit has the characters of simple circuit structure and easy controllability.

Źródło:

Archives of Electrical Engineering; 2020, 69, 4; 891-905
1427-4221
2300-2506

Pojawia się w:

Archives of Electrical Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 35.

Tytuł:

Study on recovery of iron and sulfur from high-sulfur magnetite ore

Autorzy:

Zhao, Yongqiang
Zhou, Wen-tao
Sun, Tichang
Ahmadzai, Asadullah

Powiązania:

https://bibliotekanauki.pl/articles/2146914.pdf

Data publikacji:

2022

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

high-sulfur magnetite
pyrrhotite flotation
magnetic separation
mixed collectors

Opis:

In this paper, to produce a saleable magnetite concentrate with a sulfur level below 0.20% and recover sulfur concentrate, flotation and magnetic separation tests were undertaken. Results showed that the optimum conditions of flotation were established as follows: grinding fineness of 90% particles passing 0.074mm, pH 6, 400 g/t of CuSO4, and 400 g/t of combined collectors. Under these conditions and magnetic separation, S grade of the magnetite concentrate was reduced from 3.20% to 0.18%, and the Fe grade improved from 57.29% to 71.17%. At the same time a sulfur concentrate with S grade of 38.05% and recovery of 91.32% was also obtained. The XPS results showed that the addition of CuSO4 benefited the formation of hydrophobic Sn2-/S0 and Cu+-xanthate, enhancing pyrrhotite floatability. The flotation separation efficiency could be enhanced using a mixture of collectors, and collector mixture demonstrated three synergetic effects, namely enhanced S recovery, improved adsorption behavior of the collectors and enhanced hydrophobicity of pyrrhotite surface.

Źródło:

Physicochemical Problems of Mineral Processing; 2022, 58, 4; art. no. 150889
1643-1049
2084-4735

Pojawia się w:

Physicochemical Problems of Mineral Processing

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 36.

Tytuł:

Working temperature calculation of single-core cable by nonlinear finite element method

Autorzy:

Meng, Xiaokai
Han, Peijie
Liu, Yongxin
Lu, Zhumao
Jin, Tao

Powiązania:

https://bibliotekanauki.pl/articles/141018.pdf

Data publikacji:

2019

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

cable
finite element simulation model
thermal conductivity
operating temperature

Opis:

By simulating the actual working conditions of a cable, the temperature variation rule of different measuring points under different load currents was analyzed. On this basis, a three-dimensional finite element model (FEM) was established, and the difference and influence factors between the simulation temperature and the experimental measured value were discussed, then the influence of thermal conductivity on the operating temperature of the conductor layer was studied. Finally, combined with the steady-state thermal conductivity model and the experimental measured data, the relation between thermal conductivity and load current was obtained.

Źródło:

Archives of Electrical Engineering; 2019, 68, 3; 643-656
1427-4221
2300-2506

Pojawia się w:

Archives of Electrical Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 37.

Tytuł:

Numerical Modelling of Chamfer Billet of High Carbon Steel During Continuous Casting

Autorzy:

Zong, Nanfu
Ma, Sida
Sun, Weizhao
Liu, Yang
Jing, Tao

Powiązania:

https://bibliotekanauki.pl/articles/2125549.pdf

Data publikacji:

2022

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

chamfer billet
internal cracks
GCr15 steel
soft reduction

Opis:

The formation of internal cracks in as-cast billet is mainly attributed to the stress and strain states near the solidifying front. This study investigates the effect of chamfer configuration of as-cast billet on the maximal principal stress and the tensile stress during soft reduction process. The LIT and ZDT of GCr15 bearing steel are calculated by the solidification phase transformation model. What’s more, the 3D finite element models is established to investigate stress and strain states in the brittle temperature range. The relationships between chamfer angle and maximal principal stress, internal crack, as well as equivalent plastic strain are analyzed. Numerical results reveal that a chamfer configuration of as-cast billet is much more effective than a rectangular one on decreasing the risk of internal cracks.

Źródło:

Archives of Metallurgy and Materials; 2022, 67, 3; 967--974
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 38.

Tytuł:

Deashing and desulphurization of fine oxidized coal by falcon concentrator and flotation

Autorzy:

Zhu, X.
Tao, Y.
Sun, Q.
Man, Z.
Xian, Y.

Powiązania:

https://bibliotekanauki.pl/articles/951856.pdf

Data publikacji:

2016

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

fine oxidized coal
desulphurization
deashing
flotation
enhanced gravity separation

Opis:

Flotation and enhanced gravity separation based on different separation principles were carried out to investigate the desulphurization and deashing efficiency of fine oxidized coal. Surface properties of fresh and oxidized coals were tested by XPS and results showed that the contents of hydrophobic functional groups decreased while the content of hydrophilic functional groups increased after oxidization. Floatability and density analysis results showed that the floatability of coal samples decreased sharply because of oxidation, however, density composition of coal sample only had slight changes. Separation results showed that yields of gravity concentrates outclassed that of flotation concentrates, meanwhile, ash contents and sulfur contents of gravity concentrates were far lower than that of flotation concentrates. Yields and ash contents increased with the collector dosage and achieved to be 17.83 and 26.94% respectively when the collector dosage was 1600 g•Mg-1. Yields and ash contents of gravity concentrates decreased with the centrifugal force and increased with the recoil water flow with similar sulfur content. Clean coal with yield of 53.86%, ash content of 9.81%, sulfur content of 1.47% and with a corresponding desulphurization efficiency of 44.53% was achieved at centrifugal force of 107 g and recoil water flow of 13.3 dm3•min-1. For fine oxidized coal, enhanced gravity separation has a significant advantage of the separation efficiency compared with flotation.

Źródło:

Physicochemical Problems of Mineral Processing; 2016, 52, 2; 634-646
1643-1049
2084-4735

Pojawia się w:

Physicochemical Problems of Mineral Processing

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 39.

Tytuł:

Testing the Extended Tao-Eldrup Model. Silica Gels Produced with Polymer Template

Autorzy:

Śniegocka, M.
Jasińska, B.
Wawryszczuk, J.
Zaleski, R.
Deryło-Marczewska, A.
Skrzypek, I.

Powiązania:

https://bibliotekanauki.pl/articles/2043364.pdf

Data publikacji:

2005-05

Wydawca:

Polska Akademia Nauk. Instytut Fizyki PAN

Tematy:

78.70.Bj
61.43.Gt

Opis:

The temperature dependence of o-Ps lifetime in the pores calculated from extended Tao-Eldrup model was compared to the experimental data, collected for a set of silica gels synthesized using the polymer template technique. For the sample with average pore radii 2.0 nm rather good agreement between the model and experiment was found. For the sample with narrow pores (near 1.0 nm) the lifetime spectrum was complex. Except the range of highest temperatures the lifetimes are far from model calculations.

Źródło:

Acta Physica Polonica A; 2005, 107, 5; 868-873
0587-4246
1898-794X

Pojawia się w:

Acta Physica Polonica A

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 40.

Tytuł:

A two-step fall detection algorithm combining threshold-based method and convolutional neural network

Autorzy:

Xu, Tao
Se, Haifeng
Liu, Jiahui

Powiązania:

https://bibliotekanauki.pl/articles/1848958.pdf

Data publikacji:

2021

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

wearable
fall detection
MPU6050
threshold-based method
convolutional neural network

Opis:

Falls are one of the leading causes of disability and premature death among the elderly. Technical solutions designed to automatically detect a fall event may mitigate fall-related health consequences by immediate medical assistance. This paper presents a wearable device called TTXFD based on MPU6050 which can collect triaxial acceleration signals. We have also designed a two-step fall detection algorithm that fuses threshold-based method (TBM) and machine learning (ML). The TTXFD exploits the TBM stage with low computational complexity to pick out and transmit suspected fall data (triaxial acceleration data). The ML stage of the two-step algorithm is implemented on a server which encodes the data into an image and exploits a fall detection algorithm based on convolutional neural network to identify a fall on the basis of the image. The experimental results show that the proposed algorithm achieves high sensitivity (97.83%), specificity (96.64%) and accuracy (97.02%) on the open dataset. In conclusion, this paper proposes a reliable solution for fall detection, which combines the advantages of threshold-based method and machine learning technology to reduce power consumption and improve classification ability.

Źródło:

Metrology and Measurement Systems; 2021, 28, 1; 23-40
0860-8229

Pojawia się w:

Metrology and Measurement Systems

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 41.

Tytuł:

Comparative Studies on a Chamfer Technology and a Convex Roll Technology During the Soft Reduction Process

Autorzy:

Zong, Nanfu
Jing, Tao
Liu, Yang

Powiązania:

https://bibliotekanauki.pl/articles/2049345.pdf

Data publikacji:

2021

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

convex roll technology
chamfer technology
deformation behavior
cracking risk

Opis:

To comprehensively investigate the diversity of a chamfer technology and a convex roll technology under the same soft reduction process (i.e., section size, reduction amount, casting speed and solid fraction), a three-dimensional mechanical model was developed to investigate the effect of the chamfer profile and roll surface profile on the deformation behavior, cracking risk, stress concentration and reduction force of as-cast bloom during the soft reduction process. It was found that a chamfer bloom and a convex roll can both avoid the thicker corner of the as-cast bloom solidified shell, and significantly reduce reduction force of the withdrawal and straightening units. The convex profile of roll limits lateral spread along bloom width direction, therefore it forms a greater deformation to the mushy zone of as-cast bloom along the casting direction, the tensile strain in the brittleness temperature range (BTR) can obviously increase to form internal cracks. The chamfer bloom is much more effective in compensating the solidification shrinkage of mushy zone. In addition, chamfer bloom has a significant decrease of tensile strain in the brittleness temperature range (BTR) areas, which is expected to greatly reduce the risk of internal cracks.

Źródło:

Archives of Metallurgy and Materials; 2021, 66, 3; 819-829
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 42.

Tytuł:

Ultrasonic Assisted Active-Passive Filling Friction Stir Repairing to Eliminate Volume Defects

Autorzy:

Wang, Tao
Gong, Xue
Ji, Shude
Xue, Gang
Lv, Zan

Powiązania:

https://bibliotekanauki.pl/articles/2049431.pdf

Data publikacji:

2021

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

friction stir repairing
magnesium alloys
defects
ultrasonic
mechanical properties

Opis:

Ultrasonic assisted active-passive filling friction stir repairing (A-PFFSR) was proposed to repair volume defects in the metallic parts. Sound joints without interfacial defects could be achieved. Firstly, the ultrasonic was beneficial to improving material flow and atom diffusion, and then eliminated kissing bond defects compared to conventional A-PFFSR joints. Secondly, the equiaxed grains were refined by ultrasonic vibration. Lastly, the repairing passes were reduced due to the ultrasonic, which decreased softening degree of the repaired joints. The maximum tensile strength of 150 MPa was achieved. Therefore, this strategy to repair the volume defects is feasibility and potential in the remanufacturing fields of aerospace and transportation.

Źródło:

Archives of Metallurgy and Materials; 2021, 66, 1; 217-222
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 43.

Tytuł:

The far-zone behaviors of light waves on scattering from particulate medium with various distribution

Autorzy:

Dai, Qihang
Xie, Zhongyuan
Pan, Xiaoning
Ji, Xiaoling
Wang, Tao

Powiązania:

https://bibliotekanauki.pl/articles/2086763.pdf

Data publikacji:

2022

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

weak scattering
particulate collection
spectral density

Opis:

The far-zone spectral density of light waves scattered on a particulate medium was discussed, and the influence of characteristics of the medium on the far-zone scattered spectral density was investigated. It is shown that the normalized spectral density of the scattered field is closely related with the structural characteristics of the particles collection, including the relative size of particles and the distribution information of particles in the collection. These results may provide potential application in the reconstruction of the structure information of particulate medium.

Źródło:

Optica Applicata; 2022, 52, 2; 273--282
0078-5466
1899-7015

Pojawia się w:

Optica Applicata

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 44.

Tytuł:

Life Prediction Mechanism of Ladle Composite Structure Body Based on Simulation Technology

Autorzy:

Li, Gongfa
Jiang, Du
Sun, Ying
Jiang, Guozhang
Tao, Bo

Powiązania:

https://bibliotekanauki.pl/articles/353596.pdf

Data publikacji:

2019

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

ladle life prediction
initiative maintenance
crack propagation
thermal shock method

Opis:

Ladle plays an important role in the metallurgical industry whose maintenance directly affects the production efficiency of enterprises. In view of the problems such as low maintenance efficiency and untimely maintenance in the current ladle passive maintenance scheme, the life prediction mechanism for ladle composite structures is established which bases on the stress analysis of steel shell and ladle lining in the production process, combining conventional fatigue analysis and extended fracture theory. The mechanism is accurate and effective according to the simulation results. Through which, the useful life of steel shell can be accurately predicted by detecting the crack length of it. Due to the large number of factors affecting the life of the lining of the ladle, it is difficult to accurately predict the life of the ladle lining, so a forecasting mean based on the thermal shock method is proposed to predict the service life of the ladle lining in this paper. The life prediction mechanism can provide data support and theoretical guidance for the active maintenance of the ladle, which is the prerequisite for scientifically formulating ladle initiative maintenance program.

Źródło:

Archives of Metallurgy and Materials; 2019, 64, 4; 1555-1562
1733-3490

Pojawia się w:

Archives of Metallurgy and Materials

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 45.

Tytuł:

A modified Fourier-Ritz method for free vibration of rectangular plates with elastic constrains

Autorzy:

Wu, Tao
Chen, Zhao Bo
Qu, Jian Jun

Powiązania:

https://bibliotekanauki.pl/articles/2086961.pdf

Data publikacji:

2022

Wydawca:

Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej

Tematy:

modified Fourier-Ritz method
rectangular plate
free vibration
boundary conditions

Opis:

In this paper, a modified Fourier-Ritz method is used to study free vibration of a rectangular plate with a set of simply supported opposite sides and another set of arbitrary elastic constraints. The influence of different elastic constraint stiffness values on the modal response of the rectangular plate is also analyzed. In order to avoid that the displacement function of the rectangular plate calculated by the traditional method and its derivative may be discontinuous or non-derivable at the boundary, the displacement function is expressed in the form of the sum of standard cosine series and a periodic polynomial function. Compared with the sine series expansion, the convergence of the result is enhanced. Several sets of numerical examples with different boundary conditions are given in the article, the data shows that the results calculated by this method have good accuracy and fast convergence. In addition, this paper also analyzes the boundary conditions and discusses the influence of different spring stiffness values on the setting of boundary conditions. The results can be applied to the setting of general boundary conditions and the study of vibration control of rectangular plates.

Źródło:

Journal of Theoretical and Applied Mechanics; 2022, 60, 1; 77--89
1429-2955

Pojawia się w:

Journal of Theoretical and Applied Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 46.

Tytuł:

Light waves scattering from an anisotropic semi-soft boundary medium with spectral dependence

Autorzy:

Huang, Zhiru
Dai, Qihang
Ji, Xiaoling
Wang, Tao

Powiązania:

https://bibliotekanauki.pl/articles/1835777.pdf

Data publikacji:

2021

Wydawca:

Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej

Tematy:

light scattering
spectral dependent medium
spectral density
spectral degree of coherence

Opis:

The far-zone behavior of polychromatic light waves on scattering from an anisotrophic semi-soft boundary medium with spectral dependence was considered, and the spectral density and the spectral degree of coherence of the far-zone scattered field were investigated. It is shown that the distributions of the spectral density and the spectral degree of coherence of scattered field are closely related with the rms width, the center wavelength, and the maximum value of the center wavelength of the scattering potential of the scattering medium.

Źródło:

Optica Applicata; 2021, 51, 2; 271-280
0078-5466
1899-7015

Pojawia się w:

Optica Applicata

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 47.

Tytuł:

In the Quest for Natural Living: the Taoist and Jungian Roots of Arnold Mindell’s Therapeutic Path

Autorzy:

Kowalski, Arian

Powiązania:

https://bibliotekanauki.pl/articles/22770330.pdf

Data publikacji:

2022

Wydawca:

Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie

Tematy:

natural living
process-oriented psychology
wu wei
Arnold Mindell
Carl Gustav Jung
Tao

Opis:

In this article, I would like to take a closer look at the philosophical meaning of the term “process,” which is a fundamental category in Arnold Mindell’s psychology. The Taoist origins of this concept go back to the Tao – the principle of the universe. Tao is the process of passing into each other the opposite aspects of the monastically understood Qi energy. Mindell was also inspired by the analytical psychology of Carl Gustav Jung, which emphasizes the importance of archetypal, unconscious mental processes and their impact on the ego through random thoughts, fantasies or dreams. Mindell distinguishes between a primary process (mental content that we are aware of) and a secondary process (mental content that we are not aware of) to explain what connects a person with her natural living – an unadulterated existence through rigid boundaries between the two processes acquired during one’s upbringing. The purpose of this article is to explore the Jungian and Taoist roots of Mindell’s psychology and to characterize individual lives as confronting their entire processual being, thus becoming natural living.

Źródło:

Studia Philosophiae Christianae; 2022, 58, 2; 75-88
0585-5470

Pojawia się w:

Studia Philosophiae Christianae

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 48.

Tytuł:

A fault location method for hybrid transmission lines based on empirical Fourier decomposition

Autorzy:

Tao, Caixia
Xing, Baosheng
Li, Taiguo

Powiązania:

https://bibliotekanauki.pl/articles/27309957.pdf

Data publikacji:

2023

Wydawca:

Polska Akademia Nauk. Czasopisma i Monografie PAN

Tematy:

empirical Fourier decomposition
fault location
hybrid lines
Teager energy operator
traveling wave method

Opis:

This paper aims to address the problems of inaccurate location and large computation in hybrid transmission line traveling wave detection methods. In this paper, a new fault location method based on empirical Fourier decomposition (EFD) and the Teager energy operator (TEO) is proposed. Firstly, the combination of EFD and the TEO is used to detect the time difference between the arrival of the initial traveling wave of the fault at the two measurement ends of the hybrid line. Then, when the fault occurs at the midpoint of each line segment and at the connection point of the hybrid line, the time difference between the arrival of the fault traveling wave at the two measurement ends of the line is calculated according to the line parameters. By comparing the obtained time differences, it is determined whether the fault occurs in the first or second half of the line. Finally, the fault distance is calculated using the double-ended traveling wave method according to the fault section. The model was built on PSCAD and the proposed algorithm was simulated on MATLAB platform. The results demonstrate that the proposed method achieves an average fault location accuracy of 98.88% by adjusting transition resistances and fault distances and comparing with other location methods. After validation, the proposed method for locating faults has a high level of accuracy in location, computational efficiency, and reliability. It can accurately identify fault segments and locations in hybrid transmission line systems.

Źródło:

Archives of Electrical Engineering; 2023, 72, 4; 1035--1053
1427-4221
2300-2506

Pojawia się w:

Archives of Electrical Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 49.

Tytuł:

A Celebration of the Wild. On Earth Democracy and the Ethics of Civil Disobedience in Gary Snyder’s Writing

Autorzy:

Kocot, Monika

Powiązania:

https://bibliotekanauki.pl/articles/626288.pdf

Data publikacji:

2020

Wydawca:

Wydawnictwo Uniwersytetu Śląskiego

Tematy:

Gary Snyder
the Wild
interconnectedness
interbeing
rivers
mountains
Zen
Ch'an
Tao

Opis:

The article attempts to shed light upon the evolution of Gary Snyder’s “mountains-and-rivers” philosophy of living/writing (from the Buddhist anarchism of the 1960s to his peace-promoting practice of the Wild), and focuses on the link between the ethics of civil disobedience, deep ecology, and deep “mind-ecology.” Jason M. Wirth’s seminal study titled Mountains, Rivers, and the Great Earth: Reading Gary Snyder and Dōgen in an Age of Ecological Crisis provides an interesting point of reference. The author places emphasis on Snyder’s philosophical fascination with Taoism as well as Ch’an and Zen Buddhism, and tries to show how these philosophical traditions inform his theory and practice of the Wild.

Źródło:

Review of International American Studies; 2020, 13, 1; 99-122
1991-2773

Pojawia się w:

Review of International American Studies

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 50.

Tytuł:

Silhouette Identification for Apparelled Bodies
Identyfikacja sylwetki ubranego modelu

Autorzy:

Tao, C.
Zhou, J.
Yin, M.

Powiązania:

https://bibliotekanauki.pl/articles/232374.pdf

Data publikacji:

2016

Wydawca:

Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych

Tematy:

apparel silhouette
identification
face detection
body proportion
shape factor
odzież
sylwetka
identyfikacja
wykrywanie twarzy
proporcje ciała
współczynnik kształtu

Opis:

This paper presents an approach to identify apparel silhouettes. A feature region of the human face was first proposed for conducting face detection in fashion pictures with the AdaBoost method, and the head was then located with its positional relation to the facial feature region. The linear relationship between the ratio of the body height to head length and the length of the lower body was ensured by restricting the RBH to a specific range. Under this condition, the apparelled body was divided into several parts, and the boundary of apparel on the lower body was determined considering the influence of the hemline. Based on the widths of the body parts and the apparel on the lower body, shape factors were established to express the extent to which the apparel silhouette approached a certain shape. A computer program was developed for implementation and demonstrated high accuracy in silhouette identification of an appareled body.
Przedstawiono próbę identyfikacji sylwetki ubranego modelu. Opracowano system właściwości charakteryzujących twarz człowieka dla możliwości dalszego wyodrębnienia twarzy ze zdjęć modeli. Zastosowano metodę AdaBoost. Umożliwiło to usytuowanie głowy w stosunku do innych elementów ubioru. Zidentyfikowano liniowe zależności pomiędzy wysokościami całości sylwetki, jej dolnej części, i głowy. Na tej podstawie ubrana sylwetka człowieka była dzielona na szereg części i określano granice ubioru w stosunku do dolnej części sylwetki, uwzględniając wpływ dolnej krawędzi ubioru. Opierając się na szerokościach poszczególnych części ciała człowieka i ubioru dolnej części sylwetki, ustalono czynniki kształtu dla możliwości kwalifikacji sylwetki do odpowiedniego typu. Opracowano program komputerowy umożliwiający dużą dokładność identyfikacji sylwetki ubranego modelu.

Źródło:

Fibres & Textiles in Eastern Europe; 2016, 5 (119); 119-124
1230-3666
2300-7354

Pojawia się w:

Fibres & Textiles in Eastern Europe

Dostawca treści:

Biblioteka Nauki

/5

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