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    Wyświetlanie 1-4 z 4
    Tytuł:
    Scientific publications in public, environmental and occupational health journals by authors from China, Japan and Korea in East Asia: A 10-year literature survey from 2003 to 2012
    Autorzy:
    Li, Meina
    Liu, Xiaodong
    Zhang, Lulu
    Powiązania:
    https://bibliotekanauki.pl/articles/2177232.pdf
    Data publikacji:
    2015-06-03
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    occupational health
    environmental health
    publication research
    impact factor
    bibliometric indicators
    East Asia
    Opis:
    Objectives To compare the number and quality of public, environmental and occupational health articles published in international journals from the 3 major non-English speaking countries of East Asia: China, Japan and Korea. Material and Methods Public, environmental and occupational health articles from China, Japan and Korea that were published in 161 journals from 2003 to 2012 were retrieved from the Science Citation Index Expanded (SCIE) database. We recorded the numbers of total articles, impact factors (IF), citations, number of articles in top 10 journals, references as well as the article distribution from various regions in China. Results From 2003 to 2012, China, Japan and Korea published 5713, 3802 and 1967 papers respectively, with accumulated impact factor of 14 934.55, 8758.36 and 6189.25, the average impact factor of 2.61, 2.30 and 3.15 and the average citation numbers per document of 5.08, 6.49 and 5.25. In the top 10 high-impact public, environmental and occupational health journals, China, Japan and Korea accounted for 50.19%, 20.34% and 29.47% of all the papers published in those journals, respectively. Total impact factors of the most popular 10 papers for China, Japan and Korea were: 26.23, 27.08 and 26.91. Distribution of scientific papers among regions was unbalanced in China, for Hong Kong and Taiwan it accounted for 47.31% of the papers from China. Conclusions From 2003 to 2012, both the quality and number of papers from China published in public, environmental and occupational health journals have greatly improved. China exceeded Japan and Korea in the number, accumulated impact factor, total citation times and the average number of references, while Korea had the highest average impact factor. Japan had the highest journal impact factor among the most popular journals, and the highest average citation number per document.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2015, 28, 4; 663-673
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of Wave-Absorbing Functional Particles on the Electromagnetic Properties and Mechanical Properties of Coated Composites for Nickel Powders
    Wpływ absorbujących fale cząstek funkcyjnych na właściwości elektromagnetyczne i mechaniczne kompozytów powlekanych żywicą poliuretanową zawierającą proszek niklu
    Autorzy:
    Liu, Yuanjun
    Wang, Yi
    Wu, Xiang
    Zhang, Lulu
    Niu, Jiarong
    Powiązania:
    https://bibliotekanauki.pl/articles/233612.pdf
    Data publikacji:
    2020
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
    Tematy:
    nickel powder
    single-layer coating
    electromagnetic shielding
    dielectric properties
    proszek niklowy
    powłoka jednowarstwowa
    ekranowanie elektromagnetyczne
    właściwości dielektryczne
    Opis:
    In this subject, a single-layer coated composite for nickel powders was prepared using PU2540 polyurethane as the matrix, nickel powder as the wave-absorbing functional particle, and coating technology on plain cotton fabric. The influence of wave-absorbing functional particles on the dielectric, shielding effectiveness and mechanical properties of the single-layer coated composite for nickel powders was mainly analysed and compared. Results showed that the real and imaginary parts and loss tangent of the dielectric constant were all the largest when the iron powder was mixed with the nickel powder, and its polarizing ability, loss ability and attenuation ability with respect to electromagnetic waves were all the maximum. When the graphene was mixed with the nickel powder, the shielding attenuation ability with respect to electromagnetic waves was the best.
    W ramach pracy przygotowano jednowarstwowy kompozyt powlekany żywicą poliuretanową zawierającą proszek niklu. Do przygotowania kompozytów użyto poliuretanu PU2540 jako matrycy i proszku niklu jako absorbującej fale cząstki funkcjonalnej oraz zastosowano technologię powlekania na gładkiej tkaninie bawełnianej. Przeanalizowano i porównano głównie wpływ absorbujących fale funkcjonalnych cząstek na dielektryk, skuteczność ekranowania i właściwości mechaniczne jednowarstwowego powlekanego kompozytu. Wyniki pokazały, że rzeczywiste i urojone części oraz styczna strat stałej dielektrycznej były największe, gdy proszek żelaza został zmieszany z proszkiem niklu, a jego zdolność polaryzacyjna, zdolność do strat i zdolność tłumienia fal elektromagnetycznych były maksymalne. Gdy grafen został zmieszany z proszkiem niklu, zdolność tłumienia ekranowania fal elektromagnetycznych była najlepsza.
    Źródło:
    Fibres & Textiles in Eastern Europe; 2020, 5 (143); 75-81
    1230-3666
    2300-7354
    Pojawia się w:
    Fibres & Textiles in Eastern Europe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Coal permeability change caused by mining-induced stress
    Autorzy:
    Zhang, Lulu
    Li, Bo
    Wei, Jianping
    Wen, Zhihui
    Ren, Yongjie
    Powiązania:
    https://bibliotekanauki.pl/articles/89077.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Wrocławska. Wydział Geoinżynierii, Górnictwa i Geologii. Instytut Górnictwa
    Tematy:
    mining-induced stress
    permeability
    unloading path
    sensitivity index
    effective stress
    Opis:
    To study coal permeability evolution under the influence of mining actions, we conducted a sensitivity index test on permeability to determine the influence of axial and confining stresses on coal permeability. Loading and unloading tests were performed afterward, and the differences between loading and unloading paths in terms of strain and permeability were studied. A permeability evolution model was built in consideration of absorption swelling and effective stress during modeling. An effective stress calculation model was also built using axial and confining stresses. The calculation results of the two models were compared with experimental data. Results showed that permeability were more sensitive to confining stress than axial stress, and effective stress placed a large weight on confining stress. Large axial and radial deformations at peak strength were observed during unloading. In the unloading phase, the permeability of coal began to increase, and the increment was enhanced by large initial axial stress when confining stress was loaded. permeability sensitivity to axial and confining stresses were used to explain these permeability changes. The calculation results of the models fitted the experimental data well. Therefore, the proposed models can be used to calculate effective stress on the basis of axial and confining stresses and describe permeability change in coal under the influence of mining actions.
    Źródło:
    Mining Science; 2019, 26; 203-222
    2300-9586
    2353-5423
    Pojawia się w:
    Mining Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Association between RBMS1 gene rs7593730 and BCAR1 gene rs7202877 and Type 2 diabetes mellitus in the Chinese Han population
    Autorzy:
    Kazakova, Elena
    Chen, Meijun
    Jamaspishvili, Esma
    Lin, Zhang
    Yu, Jingling
    Sun, Lulu
    Qiao, Hong
    Powiązania:
    https://bibliotekanauki.pl/articles/1038363.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    type 2 diabetes mellitus
    RBMS1 gene
    BCAR1 gene
    single nucleotide polymorphisms
    SNPscan
    Opis:
    Two recent studies found that RBMS1 gene rs7593730 and BCAR1 gene rs7202877 are related to type 2 diabetes. However, the association of these loci with type 2 diabetes mellitus (T2DM) has not been examined in Chinese. We performed a replication study to investigate the association of the 2 susceptibility loci with T2DM in the Chinese population. We genotyped 1961 Chinese participants (991 with T2DM and 970 controls) for each of the 2 single nucleotide polymorphisms (SNPs) rs7593730 in RBMS1 and rs7202877 near BCAR1 using SNPscan and examined their association with T2DM using logistic regression analysis. We also analyzed the correlation of the SNP alleles and clinical phenotypes. In additive model, genotype association analysis of BCAR1 rs7202877 loci revealed that the homozygous of rs7202877 GG carriers had significantly decreased T2DM risk compared to homozygous carriers of TT (P=0.038, OR 0.44, 95% CI 0.20-0.96). In the recessive model, the GG genotype GG had significantly decreased T2DM risk compared to GT+TT (P=0.043, OR 0.67, 95% CI 0.46-0.99). Allele G was statistically significantly correlated with TC (mmol/L) (P=0.036) and LDL-C (mmol/L) (P=0.007). As for rs7593730, the carriers of CT and TT genotype had significantly decreased T2DM risk compared to the carriers of CC genotype (CT: CC P=0.038, OR 0.71, 95% CI 0.51-0.98; TT: CC P=0.010, OR 0.32, 95% CI 0.13-0.76). In a dominant model, TT+CT: CC (P=0.013, OR 0.673, 95% CI 0.49-0.92) and in a recessive model, TT: CT+CC (P=0.019, OR 0.59, 95% CI 0.39-0.92). The T allele carriers had significantly decreased T2DM risk compared to the carriers of C (P=0.002, OR 0.65, 95% CI 0.50-0.86). Allele T was statistically correlated with FINS (P=0.010). In conclusion, our study showed that RBMS1 gene rs7593730 and BCAR1 gene rs7202877 were significantly associated with type 2 diabetes in the Chinese population.
    Źródło:
    Acta Biochimica Polonica; 2018, 65, 3; 377-382
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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