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Tytuł:
La tut-monda planlingvo de K’ang Yu-wei
The universal planned language of Kang Yu-wei
Autorzy:
Moro III, Bradio V.
Powiązania:
https://bibliotekanauki.pl/articles/910429.pdf
Data publikacji:
2020-04-17
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
K'ang Yu-wei / Kang Youwei
Ta-t'ung Shu / Datong Shu
planned languages
language planning
world language
Chinese interlinguistics
języki planowe
planowanie językowe
język światowy
chińska interlingwistyka
Opis:
K’ang Yu-wei był wielkim reformatorem i politykiem, który żył pod koniec epoki Cesarstwa Chińskiego. Był jednocześnie filozofem społecznym i w ramach tejże pracy filozoficznej zajął się ideą uniwersalnego języka dla całego świata.
K’ang Yu-wei was a highly important reformer and political figure at the end of the Chinese Empire. He was at the same time a social philosopher, who as part of his philosophy dealt with the concept of a universal world-wide planned language
Źródło:
Język. Komunikacja. Informacja; 2019, 14; 178-182
1896-9585
Pojawia się w:
Język. Komunikacja. Informacja
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environmental Regulation and Employment: Evaluating the Role of Water Pollution Prevention and Control Law in China
Prawo ochrony środowiska a zatrudnienie: ocena Ustawy o zapobieganiu zanieczyszczeniu i kontroli jakości wód w Chinach
Autorzy:
Yu, Wei
Liu, Xiao
Powiązania:
https://bibliotekanauki.pl/articles/371034.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Komitet Człowiek i Środowisko PAN
Tematy:
environmental regulations
differences-in-differences
employment
Water Pollution Prevention and Control Law (WPPCL)
prawo ochrony środowiska
DID
zatrudnienie
Ustawa o zapobieganiu zanieczyszczeniom wody i kontroli jakości wód
Opis:
In this paper, we investigate the impact of environmental regulations on employment in China. We apply a quasi-natural experiment on the revision of Water Pollution Prevention and Control Law in 2008 (WPPCL2008), and we analyze manufacturing sectors’ reaction to WPPCL2008 by using a differences-in-differences approach based on China’s thirty five sectors at the 2-digit level from 2003 to 2014. Our results show that although environmental regulations can reduce waste-water emissions, at the same time cause a decrease in employment. The results suggest that stringent environmental regulation is not cost free. Furthermore, this finding contradicts the popular view that the effect of Chinese legislation enforcement is insignificant.
W tym artykule analizujemy wpływ środowiskowych regulacji prawnych na zatrudnienie w Chinach. Przygotowaliśmy eksperyment odnoszący się do poprawionej Ustawy o zapobieganiu zanieczyszczeniom wody i kontroli jakości wód z 2008 r. (WPPCL2008) i przeanalizowaliśmy reakcję na zmienione prawo ze strony sektora produkcyjnego korzystając z metody DID (differences-in-differences), uwzględniając 35 sektorów występujących w Chinach i 2-cyfowy poziom pomiędzy 2003 a 2014 r. Otrzymane rezultaty pokazują, że surowe regulacje środowiskowej nie są wolne od kosztów. Co więcej, okazuje się, że są one sprzeczne z poglądem, że chińskie prawodawstwo jest nieistotne.
Źródło:
Problemy Ekorozwoju; 2018, 13, 2; 7-16
1895-6912
Pojawia się w:
Problemy Ekorozwoju
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of swelling clay dispersion type on fine coal flotation
Autorzy:
Zhang, Mingqing
Yu, Wei
Cao, Yijun
Xu, Haiyu
Powiązania:
https://bibliotekanauki.pl/articles/110246.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
fine coal flotation
swelling clay
controlled dispersion
CaCl2
slime coating
Opis:
The influence of bentonite dispersion on fine coal flotation was examined to better understand the role of swelling clay in the process of flotation. It was found that the coal flotation recovery was lower with uncontrolled dispersion of bentonite than with controlled dispersion. The detrimental effect was attributed to the increase in slime coating. In the uncontrolled dispersion, the dispersed bentonite platelets formed an extensive card-house structure. The three-dimensional networks increased the slurry viscosity, and caused significant coating of the coal particles, thereby inhibiting particle mobility and bubble-particle attachment. In the controlled dispersion, the bentonite mineral appeared as separate particles with low aspect ratios. The coal particles were partially coated, and the slurry viscosity was lower, resulting in higher flotation recovery. The findings in this study suggested that a practical solution to mitigate the negative impact of swelling clay on flotation would be to maintain high electrolyte levels in the wash water to inhibit clay swelling and dispersion.
Źródło:
Physicochemical Problems of Mineral Processing; 2019, 55, 2; 380-388
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Autoimmune diseases and their various manifestations in the oral cavity – a systematic review
Autorzy:
Lin, Shin-Yi
Huang, Yu-Wei
Błochowiak, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/29519509.pdf
Data publikacji:
2023-09-30
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
autoimmune diseases
Behcet’s disease
lichen planus
lupus erythematous
rheumatoid arthritis
Sjögren’s syndrome
Opis:
Introduction and aim. Oral manifestation of the disorder is the leading cause of common initial features of most autoimmune diseases. Therefore, this study aimed to present different oral manifestations of selected autoimmune diseases. Material and methods. We systematically reviewed the etiology, signs and symptoms, oral manifestations, epidemiology, diagnosis, treatment plan, and prognosis. We searched the articles on PubMed, Google Scholar and Web of Science for the following search term: Behcet’s disease, lichen planus, mucous membrane pemphigoid and bullous pemphigoid, pemphigus vulgarisms and paraneoplastic pemphigus, rheumatoid arthritis, Sjögren’s syndrome, IgG4-related disease, systemic lupus erythematous, and granulomatosis with polyangitis. Analysis of the literature. We conducted that the disorder’s oral manifestation causes most autoimmune illnesses’ earliest symptoms. Conclusion. Clinical-pathological is a piece of requisite knowledge for the dentist to recognize and diagnose in the early phase of the symptoms.
Źródło:
European Journal of Clinical and Experimental Medicine; 2023, 3; 627-638
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Stab Resistance of Coated UHMWPE Fabric
Ocena odporności na przebicie powlekanej tkaniny z włókien polietylenowych o ultra wysokiej masie cząsteczkowej (UHMWPE)
Autorzy:
Yang, Wan-Qiu
Liu, Xiao-Yan
Yu, Yan-Ping
Yu, Wei-Dong
Powiązania:
https://bibliotekanauki.pl/articles/231896.pdf
Data publikacji:
2020
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:
stab resistance
fabric
hard particles
coating
odporność na przebicie
tkanina
twarde cząstki
powłoka
Opis:
In recent years, individual protection has attracted much attention in the area of personal safety, especially stab resistant clothing. Nowadays, fabrics of high performance fibre are often used in stab-resistant clothing. Therefore, in this paper ultra-high molecular weight polyethylene(UHMWPE) fibre fabrics were used to explore their distribution of boron carbide(B4C) particles. The effect of different processing techniques on stab resistance was discussed. Finally, it was found that when the particle dimension was 5 microns, the coating thickness 100 microns, the coating temperature 64 °C and the particle and binder ratio 2:3, the stab-resistance performance of the fabrics was best. The stab resistance of multi-layer fabrics was also discussed, and it was found that the relationship between energy absorber and the number of layers was changed by hard particles.
W ostatnich latach ochrona indywidualna przyciągnęła wiele uwagi w zakresie bezpieczeństwa osobistego, zwłaszcza w przypadku odzieży odpornej na przebicie. W dzisiejszych czasach tkaniny z wysokowydajnych włókien są często stosowane w odzieży odpornej na przebicie. Dlatego w artykule wykorzystano tkaniny z włókien polietylenowych o ultra wysokiej masie cząsteczkowej (UHMWPE) do zbadania ich rozkładu cząstek węglika boru (B4C). Omówiono wpływ różnych technik przetwarzania na odporność na przebicie. Stwierdzono, że w przypadku wymiaru cząstek równemu 5 mikronom, grubości powłoki 100 mikronów, temperaturze powlekania 64 °C i stosunku cząstek i spoiwa 2:3, odporność na przebicie tkanin była najlepsza. Omówiono również odporność na przebicie tkanin wielowarstwowych i stwierdzono, że zależność między pochłoniętą energią a liczbą warstw uległa zmianie przez twarde cząstki.
Źródło:
Fibres & Textiles in Eastern Europe; 2020, 2 (140); 76-79
1230-3666
2300-7354
Pojawia się w:
Fibres & Textiles in Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study on dynamic response of offshore wind turbine structure under typhoon
Autorzy:
Li, Junlai
Wu, Weiguo
Wei, Yu
Shu, Yu
Lu, Zhiqiang
Lai, Wenbin
Jia, Panpan
Zhao, Cheng
Xie, Yonghe
Powiązania:
https://bibliotekanauki.pl/articles/32891255.pdf
Data publikacji:
2022
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
floating offshore wind turbine
structural dynamic response
typhoon
physical model test
Opis:
Floating offshore wind turbines are easily affected by typhoons in the deep sea, which may cause serious damage to their structure. Therefore, it is necessary to study further the dynamic response of wind turbine structures under typhoons. This paper took the 5MW floating offshore wind turbine developed by the National Renewable Energy Laboratory (NREL) as the research object. Based on the motion theory of platforms in waves, a physical model with a scale ratio of 1:120 was established, and a hydraulic cradle was used to simulate the effect of waves on the turbines. The dynamic response characteristics of offshore wind turbines under typhoons are systematically studied. The research results clarified that the turbine structure is mainly affected by wave loads under typhoons, and its motion response reaches its maximum value under the action of extreme wave loads. The research results of this paper can provide reference value for the design of offshore wind turbine structures under typhoons.
Źródło:
Polish Maritime Research; 2022, 1; 34-42
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vehicle emission computation through microscopic traffic simulation calibrated using genetic algorithm
Autorzy:
Wei, Yun
Yu, Ying
Xu, Lifeng
Huang, Wei
Guo, Jianhua
Wan, Ying
Cao, Jinde
Powiązania:
https://bibliotekanauki.pl/articles/91529.pdf
Data publikacji:
2019
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
environment protection
microscopic traffic simulation
genetic algorithm
IVE model
emission evaluation
Opis:
Vehicle emission calculation is critical for evaluating motor vehicle related environmental protection policies. Currently, many studies calculate vehicle emissions from integrating the microscopic traffic simulation model and the vehicle emission model. However, conventionally vehicle emission models are presented as a stand-alone software, requiring a laborious processing of the simulated second-by-second vehicle activity data. This is inefficient, in particular, when multiple runs of vehicle emission calculations are needed. Therefore, an integrated vehicle emission computation system is proposed around a microscopic traffic simulation model. In doing so, the relational database technique is used to store the simulated traffic activity data, and these data are used in emission computation through a built-in emission computation module developed based on the IVE model. In order to ensure the validity of the simulated vehicle activity data, the simulation model is calibrated using the genetic algorithm. The proposed system was implemented for a central urban region of Nanjing city. Hourly vehicle emissions of three types of vehicles were computed using the proposed system for the afternoon peak period, and the results were compared with those computed directly from the IVE software with a trivial difference in the results from the proposed system and the IVE software, indicating the validity of the proposed system. In addition, it was found for the study region that passenger cars are critical for controlling CO, buses are critical for controlling CO and VOC, and trucks are critical for controlling NOx and CO2. Future work is to test the proposed system in more traffic management and control strategies, and more vehicle emission models are to be incorporated in the system.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2019, 9, 1; 67-80
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A single image deblurring approach based on a fractional order dark channel prior
Autorzy:
Yu, Xiaoyuan
Xie, Wei
Yu, Jinwei
Powiązania:
https://bibliotekanauki.pl/articles/2172119.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
blind image deblurring
fractional order dark channel prior
nonconvex problem
obraz rozmyty
rząd ułamkowy
problem niewypukły
Opis:
The dark channel prior has been successfully applied to solve the blind deblurring problem on different scene images. Since the dark channel of the blurry-noise image is similar to that of the corresponding clear image, the sparsity of the dark channel is less effective for image blind deblurring. Inspired by the fact that a fractional order calculation can inhibit the noise and preserve the texture information of the image, a fractional order dark channel prior is proposed for image deblurring in this paper. It is appropriate for kernel estimation where input images and intermediate images are processed by using a fractional order dark channel prior. Furthermore, the non-convex problem is solved by the half-quadratic splitting method, and some metrics are used for deblurring image quality assessment. Finally, quantitative and qualitative experimental results show that the proposed method achieves state-of-the-art results on synthetic and real blurry images.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2022, 32, 3; 441--454
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tubular biofilter treatment of isobutanol emissions under various organic loading rates
Autorzy:
Chen, Hong
Peng, Liang
Wei, Yanxiao
Yu, Lie
Jiang, Bo
Wang, Hong
Yu, Guanlong
Zhang, Guijin
Powiązania:
https://bibliotekanauki.pl/articles/207774.pdf
Data publikacji:
2020
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
biofiltration
pollutants removal
volatile compounds
biofiltracja
usuwanie zanieczyszczeń
związki lotne
Opis:
Isobutanol in waste gas streams was treated by a tubular biofilter (TBF) which continuously operated for 364 days under various organic loading rate (OLR) from 11 g·m–3·h–1 to 66 g·m–3·h–1. Results show that within 60 days, the TBF successfully started up even after changing the OLR from 31.3 to 15.6 g·m–3·h–1. The average removal efficiencies (REs) were totally higher than 90% when OLRs ranged from 12.14 to 66.45 g·m–3·h–1. Two distinct performance deterioration periods were observed at days 186–253 and days 280–334, both of which recovered without additional measurement. During these periods, the larvae and adult moth flies, been identified as Psychodinae infested the TBF, greatly affected the TBF performance. When the number of adult Psychodinae decreased, TBF performance recovered. The elimination capacity (EC) was 60.42 g·m–3·h–1 at the inlet OLR of 66.45 g·m–3·h–1, with the critical EC being around 50 g·m–3·h–1. Even under a low gas empty bed residence time of 15 s, the preferable REs and ECs under middle or low OLRs were still obtained by the TBF.
Źródło:
Environment Protection Engineering; 2020, 46, 1; 15-29
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Single-Photon Router in Quantum Fluctuation of Field
Autorzy:
Liu, Li-Wei
Shi, Yu-Qing
Qiong, Chen
Powiązania:
https://bibliotekanauki.pl/articles/1032595.pdf
Data publikacji:
2017-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
single-photon quantum router
Bose-Einstein condensate
cavity optomechanical
Opis:
We investigate a single-photon quantum router in quantum fluctuation of fields. The optomechanical system composed of a cigar-shaped Bose-Einstein condensate trapped in an ultrahigh-finesse Fabry-Pérot cavity. We show how an analog of electromagnetically induced transparency in an optomechanical system can be used to produce a switch for a quantum fluctuation field using very low pumping field strength. The numerical results show that the output photon is completely different by turning the pump off and turning the pump on. We also show that the quantum noise sources are very small. This optomechanical system can serve as a single-photon quantum router.
Źródło:
Acta Physica Polonica A; 2017, 132, 4; 1358-1362
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of abnormal vibrations of crude oil efflux pumps using Ansys
Autorzy:
Wang, Tianqi
Xie, Lei
Yu, Hongsheng
Wei, Xiuliang
Dong, Pengmin
Zhao, Tianyi
Powiązania:
https://bibliotekanauki.pl/articles/2200858.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
abnormal vibrations
internal flow field
Ansys
Opis:
In this study, abnormal vibrations of 1 pump fluid in a crude oil efflux station in the Changqing Oilfield was investigated. Kinetic simulation was applied to flow fields in the crude oil efflux pump using Ansys to determine trends of the impeller static pressure, speed, total pressure, wall pressure of the impeller, outlet pressure and pressure on the pump shell and to identify the reasons behind the abnormal vibrations. The results indicated that the axial vibration amplitude of the pump could be reduced from 1.3mm down to 0.68mm if the operation parameters of the external control oil pump were set as 2500-2550r/min and 325-335m3/h, respectively.
Źródło:
Journal of Theoretical and Applied Mechanics; 2023, 61, 1; 23--36
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stigmasterol blocks cartilage degradation in rabbit model of osteoarthritis
Autorzy:
Chen, Wei-Ping
Yu, Chong
Hu, Peng-Fei
Bao, Jia-Peng
Tang, Jing-Li
Wu, Li-Dong
Powiązania:
https://bibliotekanauki.pl/articles/1039645.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
matrix metalloproteinases
stigmasterol
osteoarthritis
Opis:
Stigmasterol has been shown exihbit anti-osteoarthritic properties in vitro studies. However, the in vivo effects of stigmasterol on cartilage are still unclear. This study investigated the anti-osteoarthritic properties of stigmasterol on cartilage degradation in a rabbit model of osteoarthritis (OA). Twenty rabbits underwent bilateral anterior cruciate ligament transection (ACLT) to induce OA. Five rabbits were used as normal control. Two weeks after operation, the rabbits were randomly divided into two groups. Each group of 10 rabbits received intra-articular injection with 0.3 ml of stigmasterol in left knees and vehicle in right knees, once weekly. Group 1 was killed 6 weeks after ACLT and 2 were sacrificed 9 weeks after ACLT. The knee joints were assessed by gross morphology, histology and gene expression analysis. We found that expression of genes encoding matrix metalloproteinases (MMPs) was significantly higher while tissue inhibitors of metalloproteinase (TIMP)-1 was significantly lower in the both joints of the two OA groups compared to normal contrals. Stigmasterol reduced the cartilage degradation as assessed by histological analysis and markedly suppressed MMPs expression both in group 1 and group 2. Our results suggest that stigmasterol may be considered as a possible therapeutical agent in the treatment of OA.
Źródło:
Acta Biochimica Polonica; 2012, 59, 4; 537-541
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Removal of chromium and strontium from aqueous solutions by adsorption on laterite
Autorzy:
He, Yong
Chen, Yong-Gui
Zhang, Ke-Neng
Ye, Wei-Min
Wu, Dong-Yu
Powiązania:
https://bibliotekanauki.pl/articles/204768.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
adsorption
isotherms
chromium
strontium
laterite
Opis:
To investigate the adsorptive properties of a local laterite deposited in Chenzhou, Hunan province, China, the adsorptive properties of the natural laterite were investigated by batch technique in this study. The effects of contact time, pH, ionic strength, temperature, and the concentration on adsorption properties were also analyzed. The obtained experimental results show that the main mineral composition of laterite is kaolinite and montmorillonite. The adsorption process achieved equilibrium within 60 minutes and 90 minutes for Sr(II) and Cr(VI), respectively. The adsorption capacities for Cr(VI) and Sr(II) by the laterite were about 7.25 mg·g-1 and 8.35 mg·g-1 under the given experimental conditions, respectively. The equilibrium adsorption data were fitted to the second-order kinetic equation. The adsorption capacity for Sr(II) onto the laterite increased with increasing pH from 3–11 but decreased with increasing ionic strength from 0.001 to 1.0 M NaCl. The Sr(II) adsorption reaction on laterite was endothermic and the process of adsorption was favored at high temperature. Similarly, the adsorption capacity for Cr(VI) onto the laterite increased with increasing pH from 3–11, however, the ionic strength and temperature had an insignificant effect on Cr(VI) adsorption. The adsorption of Cr(VI) and Sr(II) was dominated by ion exchange and surface complexation in this work. Furthermore, the Langmuir and Freundlich adsorption isotherm model was used for the description of the adsorption process. The results suggest that the studied laterite samples can be effectively used for the treatment of contaminated wastewaters.
Źródło:
Archives of Environmental Protection; 2019, 45, 3; 11-20
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examining the success factors of smart watch : a behavioral perspective on consumers
Badanie czynników sukcesu inteligentnego zegarka : behawioralna perspektywa konsumentów
Autorzy:
Lin, Chih Wei
Yang, Chin-Cheng
Sia, Wei Yeng
Tang, Kai-Yu
Powiązania:
https://bibliotekanauki.pl/articles/404795.pdf
Data publikacji:
2019
Wydawca:
Politechnika Częstochowska
Tematy:
perceived playfulness
compatibility
technology acceptance model
innovation diffusion theory
postrzegana użyteczność
kompatybilność
model akceptacji technologii
teoria dyfuzji innowacji
Opis:
The purpose of this study was to investigate factors influencing consumers’ intention to use Apple Watch by applying Decomposed Theory of Planned Behavior (DTPB). The subject of the study was the Apple Watch users in Taiwan. The researcher used purposive and snowball sampling as the sampling method, a total of 350 surveys were issued, 327 valid surveys were collected and the effective response rate was 93.43%. The collected data were analyzed by confirmatory factor analysis and structural equation model. The results are illustrated as follow. First, the overall behavior model of Apple Watch users constructed by Decomposed Theory of Planned Behavior in this study fitted well. Second, the research model has well explanatory power to wearable device users, which is R² of attitudes, subjective norms and perceived behavioral control on behavior intentions have reached 63%. Third, perceived usefulness and perceived playfulness are the most two important influencing factors on attitudes. Interpersonal influence is the most important influencing factor to subjective norm. The most influencing factor of perceived behavioral control is facilitating condition.
Celem tego badania było zbadanie czynników wpływających na zamiar korzystania przez Apple z zegarka przez zastosowanie dekompozycji teorii planowanego zachowania (DTPB). Przedmiotem badania byli użytkownicy Apple Watch na Tajwanie. Badacz zastosował celowe i śnieżkowe pobieranie próbek jako metodę pobierania próbek, wykonano w sumie 350 badań, zebrano 327 ważnych badań, a efektywny odsetek odpowiedzi wyniósł 93,43%. Zebrane dane przeanalizowano za pomocą potwierdzającej analizy czynnikowej i modelu równań strukturalnych. Wyniki zostały zilustrowane w następujący sposób. Po pierwsze, ogólny model zachowania użytkowników Apple Watch skonstruowany przez Dekomponowaną Teorię Planowanego Zachowania (DTPB) w tym badaniu dobrze skonstruowany. Po drugie, model badawczy wyjaśnia użytkownikom tych urządzeń, subiektywnych norm i postrzeganej kontroli behawioralnej nad zamiarami zachowań osiągnął 63%. Po trzecie, postrzegana użyteczność i postrzegana zabawa to dwa najważniejsze czynniki wpływające na postawy użytkowników.
Źródło:
Polish Journal of Management Studies; 2019, 20, 2; 368-378
2081-7452
Pojawia się w:
Polish Journal of Management Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chemical Information of Chitosan-Based Complex Extracted from Coincidence Doppler Broadening Spectra
Autorzy:
Cao, Xingzhong
Xia, Rui
Yang, Jing
Zeng, Minfeng
Wang, Baoyi
Yu, Runsheng
Wei, Long
Powiązania:
https://bibliotekanauki.pl/articles/1033908.pdf
Data publikacji:
2017-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
78.70.Bj
64.70.km
82.30.Gg
Opis:
In recent years, coincidence Doppler broadening (CDB) of annihilation radiation measurement on polymeric system has been attracting special attention because of its unique elemental sensitivities in comparison to the traditional Doppler broadening measurement. In the present study, chitosan-Fe₃O₄ nanocomposite (CS-Fe₃O₄) and copper-chitosan (Cu-CS) complexes were prepared through a simple casting method from aqueous solution. The inclusion of Fe₃O₄ nanoparticles in the chitosan matrix is confirmed by X-ray diffraction. In order to obtain data about atomic composition of the annihilation site in the CS composites, CDB measurements were carried out. The normalized CDB ratio curve, which is related to the ratio between the momentum density distribution for the studied samples and pure CS, was displayed to illustrate the variation of ion cores of different elements present in the chitosan matrix. Our result confirms a contribution of active group available in chitosan molecules to the features in the high-momentum region of the CDB ratio curve. The findings show that the local chemical environment of the annihilation site in chitosan-based complexes could be estimated by such positron annihilation spectroscopic investigation.
Źródło:
Acta Physica Polonica A; 2017, 132, 5; 1535-1537
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 24

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