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Tytuł:
Doświadczalne badania energii kruszenia (na przykładzie modelowej kruszarki dźwigniowej Blakea)
Experimental research of crushing energy (on example of the model lever Blake crusher)
Autorzy:
Zawada, J.
Chochoł, K.
Powiązania:
https://bibliotekanauki.pl/articles/349978.pdf
Data publikacji:
2009
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
zużycie energii
kruszarka dźwigniowa Blake'a
proces rozdrabniania
kruszenie
mielenie
energy consumption
Blake lever crusher
comminution process
crushing
milling
Opis:
Problem określania energii należy do jednych z głównych i nierozwiązanym w pełni problemem mechaniki kruszenia. Jest to konsekwencją wielkiej złożoności procesów rozdrabniania (kruszenia i mielenia). W tej sytuacji wiarygodną metodą wyznaczania tej wielkości pozostają badania doświadczalne procesów elementarnych i maszynowych. Przedmiotem pracy jest wyznaczanie energii globalnej i jej składowych - energii nieodwracalnej i sprężystej - w procesach kruszenia dwóch skał krajowych w kruszarce dźwigniowej Blake'a. Podstawę obliczeń stanowiły zależności: siła w przedniej płycie rozporowej i jej przemieszczenie, tzw. pętle pola pracy. Otrzymano nieznane dotąd wyniki o istotnym znaczeniu poznawczym i praktycznym.
Determination of energy consumption is the main and unsolved problem of the crushing mechanics. The fact comes as the consequence of great complications of comminution processes (crushing, milling). For this reason the experimental studies of the elementary and machine processes appear as the approved methods for definition of the crushing energy. The present work is addressed to estimation of the global energy as well as its components - dissipation and elastic energy - necessary for crushing two domestic rocks in Blake lever crusher. The following values were assumed as the calculation base: force acting upon the front toggle plate and its displacement, represented by energy loops. New data for scientific and engineering applications were obtained.
Źródło:
Górnictwo i Geoinżynieria; 2009, 33, 4; 317-326
1732-6702
Pojawia się w:
Górnictwo i Geoinżynieria
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
O nowych elementach mechaniki procesu kruszenia - problem obciążeń (na przykładzie kruszarki dźwigniowej Blakea)
On new elements of mechanics of crushing process - problem of loading (based on Blake toggle crusher)
Autorzy:
Zawada, J.
Chochoł, K.
Powiązania:
https://bibliotekanauki.pl/articles/349573.pdf
Data publikacji:
2006
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
energia kruszenia
hipotezy energetyczne kruszenia
weryfikacja eksperymentalna
crushing energy
crushing energy hypotheses
experimental verification
Opis:
Dotychczasowy opis mechaniki procesu kruszenia w kruszarkach dwurozporowych, przedstawiany w literaturze i wykorzystywany w praktyce, jest na ogół opisem przybliżonym. Obszerne badania wykonane na nowoczesnym stanowisku badawczym zweryfikowały dotychczasowe poglądy na tę mechanikę.
The available description of mechanics of crushing process in double toggle Blake crushers, presented in literature and applied in practice, in general, is an approximated description which usually needs verification. Wide experimental studies were carried out at a modern test stand including model crusher of Blake type, measuring and control-register system. The results enabled to formulate new approach to mechanics of crushing processes, mainly focused on: load distribution in working space, friction conditions in working space, crushing energy and verification of energy hypotheses, deformation of toggle mechanism components. The results obtained in the studies formulate the base for theoretical analysis of the mechanics of the process.
Źródło:
Górnictwo i Geoinżynieria; 2006, 30, 3/1; 355-363
1732-6702
Pojawia się w:
Górnictwo i Geoinżynieria
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Uśmiech Kota z Cheshire, czyli o ilustracji angielskiej.
Autorzy:
Wincencjusz-Patyna, Anita
Powiązania:
https://bibliotekanauki.pl/articles/560195.pdf
Data publikacji:
2007
Wydawca:
Uniwersytet Wrocławski. Instytut Historii Sztuki
Tematy:
XIX i początek XX wieku w Anglii
Arts and Crafts
William Hogarth
Thomas Bewick
William Blake
Edward Lear
Sir John Tenniel
Beatrix Potter
Ernest H. Shepard
XIX wieczna ilustracja
Źródło:
Quart. Kwartalnik Instytutu Historii Sztuki Uniwersytetu Wrocławskiego; 2007, 1(3); 27-45
1896-4133
Pojawia się w:
Quart. Kwartalnik Instytutu Historii Sztuki Uniwersytetu Wrocławskiego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Romantyzm i narodziny myśli postsekularnej
Romanticism and the origins of postsecular thought
Autorzy:
Warchala, Michał
Powiązania:
https://bibliotekanauki.pl/articles/426647.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Papieski Jana Pawła II w Krakowie
Tematy:
postsecularism
romanticism
modernity
William Blake
William Wordsworth
Jürgen Habermas
Opis:
The purpose of the paper is to use the concept of postsecularism to interpret some selected themes of the British and German Romanticism. Postsecularism is here understood in the sense given to this term by Jürgen Habermas, as a thought which: 1) takes Western secularization to be largely an accomplished fact, but at the same time: 2) claims that religion is an important source of meanings suitable for the secularized public sphere of (post)modern societies. The main contention of the paper is that one can find the roots of the postsecular thought thus understood in the period of Romanticism, in the works of such authors as William Wordswort, William Blake or Novalis. The Romantics assume that the main Christian intuitions, symbols or themes may be “saved”, but only within a highly idiosyncratic and heterodox conceptual framework.
Źródło:
Logos i Ethos; 2014, 1(36); 73-85
0867-8308
Pojawia się w:
Logos i Ethos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tłumaczenie tłumaczenia (czyli William Blake w powieści Olgi Tokarczuk)
Translating the translation (O. Tokarczuk v William Blake)
Autorzy:
Tanuševska, Lidija
Powiązania:
https://bibliotekanauki.pl/articles/511415.pdf
Data publikacji:
2020
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
Blake
Tokarczuk
translation
poetry
Opis:
The paper discusses the connection between Olga Tokarczuk’s novel Drive Your Plow over the Bones of the Dead and the poetry of William Blake. Blake’s ideology was to show how mankind had come to the end because of its misdeeds, using the animal imagery, which links him to the topic presented by Tokarczuk, criticizing the cruelty of the authorities towards animals. She quoted Blake at the beginning of every chapter and created a character skilled in translating Blake. Since not much of Blake’s oeuvre has been translated in Macedonian, the translator of this novel had to deal with translating Blake too. Consequently, this text also focuses on the translation problems which she had to solve.
Źródło:
Postscriptum Polonistyczne; 2020, 25, 1; 45-54
1898-1593
2353-9844
Pojawia się w:
Postscriptum Polonistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficiency of Spartan-7 FPGA devices in implementation of contemporary cryptographic algorithms
Autorzy:
Sugier, J.
Powiązania:
https://bibliotekanauki.pl/articles/2068736.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
hardware implementation
loop unrolling
pipelining
AES
BLAKE
KECCAK
SHA-3
Opis:
Hardware implementations of cryptographic algorithms are ubiquitous in contemporary computer systems where they are used to ensure appropriate level of security e.g. in high-speed data transmission, authentication and access control, distributed cloud storage, etc.. In this paper we evaluate size and speed efficiency of FPGA implementations of selected popular cryptographic algorithms in the newest cost-sensitive Spartan-7 devices form Xilinx, Inc.. The investigated set of algorithms included four examples: the AES-128 standard symmetric block cipher, the BLAKE-256 hash function and two size variants of the KECCAK-f[b] compression function, b = 400 and 1600, with the larger variant being used as the core of the new SHA-3 standard. The main aim of this research was to provide a uniform and comparable implementation approach for all the ciphers so that the new potentials of the Spartan-7 internal architecture would be put to the test in realization of their specific cryptographic transformations and data distribution. Each of the four algorithms was implemented in five architectures: the basic iterative one (with one instance of the cipher round instantiated in hardware) plus two loop unrolled ones (with two and four or five rounds in hardware) and their two pipelined variants (with registers at the outputs of each round enabling parallel processing of multiple streams of data). Uniform implementation methodology applied to 20 cases of cipher & architecture combinations created a consistent testbed, producing comparable results which allowed to evaluate efficiency of the new hardware platform in implementation of the different algorithms in various unrolled and pipelined organizations.
Źródło:
Journal of Polish Safety and Reliability Association; 2018, 9, 3; 75--84
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementing SHA-3 candidate BLAKE algorithm in Field Programmable Gate Arrays
Autorzy:
Sugier, J.
Powiązania:
https://bibliotekanauki.pl/articles/2069234.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
BLAKE algorithm
FPGA
hash function
implementation efficiency
loop unrolling
pipelining
Opis:
BLAKE is a cryptographic hash function proposed as a candidate in SHA-3 contest where he successfully qualified to the final round with other 4 candidates. Although it eventually lost to KECCAK it is still considered as a suitable solution with good cryptographic strength and great performance especially in software realizations. For these advantages BLAKE is commonly selected to be a hash function of choice in many contemporary IT systems in applications like digital signatures or message authentication. The purpose of this paper is to evaluate how the algorithm is suitable to be implemented in hardware using low-cost Field Programmable Gate Array (FPGA) devices, particularly to test how efficiently its complex internal transformations can be realized with FPGA resources when overall size of the implementation grows substantially with multiple rounds of the cipher running in parallel in hardware and capacity of the configurable array is used up to its limits. The study was made using the set of 7 different architectures with different loop unrolling factors and with optional application of pipelining, with each architecture being implemented in two popular families of FPGA devices from Xilinx. Investigation of the internal characteristic of the implementations generated by the tools helped in analysis how the fundamental mechanism of loop unrolling with or without pipelining works in case of this particular cipher.
Źródło:
Journal of Polish Safety and Reliability Association; 2016, 7, 1; 193--200
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Memory resources in hardware implementations of BLAKE and BLAKE2 hash algorithms
Autorzy:
Sugier, J.
Powiązania:
https://bibliotekanauki.pl/articles/2068924.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
BLAKE hash algorithm
implementation efficiency
memory
loop unrolling
resource utilization
Opis:
In contemporary computer systems security issues are very important for both safety and reliability reasons thus application of appropriate cryptographic methods is a necessity in system design and maintenance. This paper deals with one such method – BLAKE hash function – and investigates its implementation in hardware. The algorithm was a candidate proposed for the SHA-3 contest and, although it was not selected in the final round as the winner, it was very well received for its cryptographic strength and performance, being still used as a hash method of choice in contemporary IT systems. In this paper we discuss a specific modification in hardware realizations of the function which eliminates need for involved data paths distributing message bits among the round units by using auxiliary memory modules for repetitive storage of the message inside each round instance. The idea was implemented in realizations of both BLAKE and BLAKE2 versions of the algorithm in four different organizations: the standard iterative one and three high-speed loop-unrolled architectures with 2, 4 and 5 rounds instantiated in hardware. Together with standard (without RAM) implementations this produced a total of 16 test cases: after implementation in a popular Spartan-3 device from Xilinx their parameters allowed for exhaustive evaluation of the proposed modification. The results reveal that the modification outstandingly enhances size of all the tested architectures: on average, occupation of the FPGA array is reduced at least by half while the improvements in speed, although not so spectacular, are also visible. Additional analyses indicate that the method can also increase overall efficiency of routing, helps in implementation of the loop-unrolled architectures and strengthens optimizations introduced by the BLAKE2 version of the algorithm.
Źródło:
Journal of Polish Safety and Reliability Association; 2017, 8, 1; 119--128
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Blake and Swedenborg
Blake i Swedenborg
Autorzy:
Stalmaszczyk, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/1034879.pdf
Data publikacji:
1988
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Źródło:
Acta Universitatis Lodziensis. Folia Litteraria; 1988, 24
0208-6085
Pojawia się w:
Acta Universitatis Lodziensis. Folia Litteraria
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Masło i próchno/łza. Blake i filozofia przyjaźni
Butter and Rotten Wood / a Teardrop: Blake and the Philosophy of Friendship
Autorzy:
Sławek, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/467424.pdf
Data publikacji:
2000
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Opis:
Butter and Rotten Wood / a Teardrop: Blake and the Philosophy of Friendship Abstract in English The essay sets out to explore the framework of the philosophy of friendship as a basic human relationship whose richness has not been exhaustively scrutinised yet. Taking as its starting point the memorable statement from “The Marriage of Heaven and Hell that” “opposition is true friendship,” the author seeks to demonstrate the fundamental and profound character of the relationship called friendship; the character which prevents it - despite its common understanding - from being defined as agreement, support or alliance. Friendship, by transcending those relationships, becomes a force which may disrupt and undermine their structures and thereby it comes to speak on behalf of desires and passions. This is why it may be called a “counter-relationship”: the notion itself alludes to a fundamental term of Blake's philosophy, i.e., “a contrary” as opposed to negation. A friend is thus a restless being; a being without a permanent address; a being who is nomadic and denies to be unequivocally defined. It is Blake, as well as Nietzsche and Emerson (who are also referred to in the essay), who makes us appreciate this extraordinary philosophical and ethical phenomenon.
Źródło:
ER(R)GO: Teoria – Literatura – Kultura; 2000, 1
1508-6305
2544-3186
Pojawia się w:
ER(R)GO: Teoria – Literatura – Kultura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Correlation of Eemian sections in Lithuania and Belarus based on palaeomagnetic, radioisotope and palaeobotanic data
Autorzy:
Šeirienė, Vaida
Karabanov, Alexander
Baltrūnas, Valentinas
Karmaza, Bronistavas
Katinas, Valentas
Pukelytė, Violeta
Rylova, Tatyana
Demidova, Svetlana
Powiązania:
https://bibliotekanauki.pl/articles/2060098.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Eemian Interglacial
Blake Event
radioisotopes
pollen
Belarus
Lithuania
Opis:
Eemian (Murava, Merkinė deposits at five exposed sections (Zaslavl, Zhukevichi, Ponemun, Snaigupėlė, and Netiesos) located in Lithuania and Belarus are described. Preliminary palaeomagnetic results show a record of the Brunhes epoch normal magnetic field and a short-term reversal – the Blake Event – is recognized in three of the five sections. The Blake Event recorded in the Netiesos section is characterized by a pattern consisting of three short reversed polarity intervals separated by two short normal polarity intervals. The directional changes of declination, inclination, and MS (magnetic susceptibility) are clear. ESR dating (112.5 ±10.8 and 112.1 ±25.9) and 230Th/U dates obtained from this section (108.8 ±12.0/9.9 ka for the L/L technique and 100.2 ±10.3/8.6 ka for the TSD technique) suggest that (Blake and post-Blake) palaeomagnetic excursions are present in this section. Palaeobotanical analysis and isotope dating of the Netiesos section suggest that the Blake Event occurred during the climatic optimum.
Źródło:
Geological Quarterly; 2021, 65, 3; 65: 46
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
„Nie znajdziesz tam niczego, prócz śmierci”. Symbole tanatologiczne w twórczości Williama Blake’a (na przykładzie poematu „Czterej Zoa”)
“Deadly nought shalt thou find in it”. Thanatological symbols in William Blake’s works (for ex-ample of “Vala, or The Four Zoas”)
Autorzy:
Osińska-Szpur, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/514824.pdf
Data publikacji:
2015
Wydawca:
Fundacja dzień dobry! kolektyw kultury
Tematy:
water
deaths door
grave
Eternity
Albion
woda
wrota śmierci
grób
Wieczność
Opis:
The purpose of this thesis is to present, discuss and interpret the thanatological motifs and themes in William Blake’s poem “Vala, or the Four Zoas”, regarded as crucial in understanding his extraordinary vision of the world, the concept of "The Fall" and salvation. The analysis comprises the following ideas and characters of Blake’s my-thology: “Eternal Death”, symbolizing dying and the watery kingdom of Tharmas, “ressurection in death”, dissolution of Four Zoas and separation from their female Emanations. The article was enriched with illustrations by William Blake depicting various images of death with the reference to his literary works such as: “For the Sex-es: The Gates of Paradise” or “Jerusalem. The Emanation of the Giant Albion”.
Źródło:
Amor Fati; 2015, 3; 19-42
2449-7819
Pojawia się w:
Amor Fati
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
“Awful doubt” and “faith so mild”: the images of nature from William Blake to Matthew Arnold
Autorzy:
Łuczyńska-Hołdys, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/571912.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warszawski. Wydział Neofilologii
Tematy:
English poetry
Romanticism
Victorian Age
natural imagery
spirituality
faith
science
Opis:
In the present article I intend to explore chosen images of nature in selected poetical works by William Blake, William Wordsworth, Percy Bysshe Shelley, Alfred Tennyson and Matthew Arnold, in order to trace significant shifts in their use of natural imagery. While in Romantic poetry, in general, images from nature are used to portray spiritual experience of finding comfort and sustenance in communing with nature, or, alternatively, a sense of being overwhelmed in the face of an omnipotent power, Victorian poems register deep uneasiness and a fear of nature, which has nothing to do with the experience of the sublime. This shift can be attributed, at least in part, to ground-breaking scientific discoveries and overwhelming technological progress in Victorian England, which resulted in confusion and disquiet as far as basic existential issues (the existence of God, the relation between God and man, the origin of the universe) were concerned.
Źródło:
Acta Philologica; 2016, 49; 163-173
0065-1524
Pojawia się w:
Acta Philologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In the Land of Ulro: Satan as a Concept of Mistaken Creativity in William Blake’s Poetry and Designs
Autorzy:
Łuczyńska-Hołdys, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/888985.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Tematy:
William Blake
poetry
painting
literature
Romantic poetry
empiricism
rationalism
Satan
Opis:
Unlike other famous Romantics, William Blake does not glorify Satan as an embodiment of such concepts as liberty, independence and freethinking. In the following article an attempt will be made to see how in Blake’s poetry and painting the figure of Satan becomes associated with rationalism and the notion of misguided creativity. In this aspect Satan is consistently identified with Urizen, Blake’s personification of the fallen human reason and the creator of the material universe. This identification functions as a critique of empiricism and rationalism characteristic for the Age of Reason.
Źródło:
Anglica. An International Journal of English Studies; 2013, 22/1; 35-44
0860-5734
Pojawia się w:
Anglica. An International Journal of English Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fusion reaction scaling in a mega - amp dense plasma focus
Autorzy:
Lerner, E. J.
Murali, S. K.
Blake, A. M.
Shannon, D. M.
van Roessel, F. J.
Powiązania:
https://bibliotekanauki.pl/articles/147522.pdf
Data publikacji:
2012
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
dense plasma focus (DPF)
fusion reaction scaling
neutron yield saturation
Opis:
The dense plasma focus (DPF) is one of the most efficient sources of fusion reactions for a given energy input. For smaller DPFs, fusion output scales as I4 or faster, where I is peak current. However, energy output in high-current machines saturates at 1012 reactions with deuterium as fill gas. To attempt to overcome this saturation, experiments at the focus fusion-1 (FF-1) facility have tested the use of smaller-radius electrodes (2.8 cm radius anode) and higher fill-gas densities more than 30 T.
Źródło:
Nukleonika; 2012, 57, 2; 205-209
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
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