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Zhu, Yong-yue,Guo, Min-yu 서울대학교 교육연구소 2021 Asia Pacific Education Review Vol.22 No.3
In Chinese society, the teachers’ professional ethics have been considered important since ancient times and have been widely discussed. This paper aims to explore the mechanism of the infuence of diferential leadership with local cultural adapt‑ ability on college teachers’ professional ethics. A total of 403 valid responses were collected from a questionnaire survey of university teachers in many regions of China, and the data were statistically analysed by SPSS17.0 and AMOS22.0. The results showed that diferential leadership positively infuences college teachers’ professional ethics, and college teachers’ professional identity plays a mediating role between diferential leadership and teachers’ professional ethics. The efect of diferential leadership on college teachers’ professional identity and professional ethics is negatively moderated by the tendency towards collectivism, and it seems to be contrary to the national culture of Chinese, which is high in collectivism, but consistent with the strong will of college teachers and the current workplace characteristics embodied in the sample investigated. It is expected that the research results of this paper can provide theoretical guidance for the construction of teachers’ professional ethics in relevant governments and colleges.
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Zhu, Zhong-Zheng,Wang, Dong,Cong, Wen-Ming,Jiang, Hongmei,Yu, Yue,Wen, Bing-Ji,Dong, Hui,Zhang, Xiao,Liu, Shu-Fang,Wang, Ai-Zhong,Zhu, Guanshan,Hou, Lifang Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.1
Background: Males have a higher prevalence of hepatocellular carcinoma (HCC) than females in general, but the reasons for the sex disparity are still obscure. DNA copy number alteration (CNA) is a major feature of solid tumors including HCC, but whether CNA plays a role in sex-related differences in HCC development has never been evaluated. Methods: High-resolution array comparative genomic hybridization (CGH) was used to examine 17 female and 46 male HCC patients with chronic hepatitis B virus (HBV) infection in Shanghai, China. Two-tailed Fisher's exact or ${\chi}^2$ tests was used to compare CNAs between females and males. Results: The overall frequencies and patterns of CNAs in female and male cases were similar. However, female HCC tumors presented more copy number gains compared to those in males on 1q21.3-q22 (76.5% vs. 37.0%, P = 0.009), 11q11 (35.3% vs. 0.0%, P = 0.0002) and 19q13.31-q13.32 (23.5% vs. 0.0%, P = 0.004), and loss on 16p11.2 (35.3% vs. 6.5%, P = 0.009). Relative to females, male cases had greater copy number loss on 11q11 (63.0% vs. 17.6%, P = 0.002). Further analyses showed that 11q11 gain correlated with 19q13.31-q13.32 gain (P = 0.042), 11q11 loss (P = 0.011) and 16p11.2 loss (P = 0.033), while 1q21.3-q22 gain correlated with 19q13.31-q13.32 gain (P = 0.046). Conclusions: These findings suggest that CNAs may play a role in sex-related differences in HBVassociated HCC development.
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Chang-Yue Zhu,Xiao-Peng Wang,Xin-Huai Zhao 한국식품과학회 2015 Food Science and Biotechnology Vol.24 No.3
Transglutaminase at a concentration of 10 kU/kg of protein and degraded chitosan were used for glycosylation and crosslinking of caseinate at a fixed molar ratio of the acyl acceptor to the acyl donor of 3:1, a protein concentration of 50 g/L, a pH 7.5 at 37oC, and a reaction time of 4 h. Electrophoretic and chemical analyses showed glycosylation and crosslinking of caseinate. Glycosylated and crosslinked caseinate (GC-caseinate) contained glucosamine at 12.77 g/kg of protein, and the protein fraction had fewer reactable amino groups than original caseinate (0.58 vs. 0.64 mol/kg of protein). GC-caseinate exhibited an enhanced surface hydrophobicity, in vitro digestibility, water-binding capacity, and rheological properties, with poor protein dispensability and emulsification activity, but a similar oilbinding capacity and emulsion stability, compared with original caseinate. GC-caseinate also exhibited better properties than transglutaminase-crosslinked caseinate. Glycosylation and crosslinking was effective for better water-binding and rheological properties of caseinate.
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( Hao Yue Zhu ),( Zhen Huang ),( Jin Xiao ),( Jun Xing Hou ) 한국액체미립화학회 2010 한국액체미립화학회 학술강연회 논문집 Vol.2010 No.-
In this paper, the injection characteristics and macroscopic spray behavior of biodiesel and diesel fuel within a common rail system are investigated. The injection rate is measured with Bosch method, spray visualization system is employed to study the macroscopic spray characteristics of both fuels. The results show that the injection delays of biodiesel and diesel are almost the same. Comparing to diesel, injection duration of biodiesel is a little longer and injection fuel quantity is a little larger. The macroscopic spray result shows, with increased injection pressure, the tip penetration of biodiesel becomes longer and the spray cone angle becomes larger. When ambient pressure increases, the injection tip penetration becomes shorter and the spray cone angle becomes larger. Comparing to diesel, injection tip penetration of biodiesel is longer and spray cone angle is smaller, because the kinematic viscosity and surface tension of biodiesel are larger than those of diesel. The difference of spray characteristics of both fuels is no longer obvious under higher injection pressure. With increased ambient pressure, the difference of spray tip penetration of both fuels becomes larger, and the difference of spray cone angle become smaller.
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Jian-Guo Zhu,Xiao-Jun Ji,Jun Du,Shuang Li,Yue-Yue Ding,He Huang 한국화학공학회 2009 Korean Journal of Chemical Engineering Vol.26 No.6
A biosynthetic pathway for the production of 3-hydroxypropionic acid (3-HP) from glycerol was established in recombinant Klebsiella pneumoniae by introducing the aldehyde dehydrogenase gene from Escherichia coli. The activity of aldehyde dehydrogenase, which oxidized 3-hydroxypropionaldehyde (3-HPA) to 3-HP, was detected and 3-HP was produced by the recombinant strains. Three different oxygen supply strategies, associated with measuring the oxidoreduction potential (ORP) during the fermentation under these conditions, were adopted for higher production of 3-HP by the recombinant cells. About 0.8 g/l 3-HP and more 1,3-propanediol production by the recombinant Klebsiella pneumoniae were obtained under completely aerobic conditions. Under micro-aerobic conditions, 3-HP production could be increased to 2.2 g/l and 1,3-propanediol production was almost the same as in the original strain. Under the anaerobic conditions, 1,3-propanediol was the main product and about 1.3 g/l 3-HP was produced. Finally, 3-HP production of the recombinant strain was increased to 2.8 g/l under micro-aerobic condition with a further two-stage ORP controlled strategy.
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Wen-Li Zhu,Li-Fei Yang,Shouping Yang,Jun-Yi Gai,Yue-Lin Zhu 한국식물학회 2016 Journal of Plant Biology Vol.59 No.2
Phosphorus (P) deficiency is one of the major factors that limit legume nodulation and nitrogen (N) fixation, and thus legume productivity. In our previous study, we showed that three T2 transgenic soybean lines overexpressing rice phosphate transporter gene OsPT2 showed enhanced tolerance to low P stress. This study aimed to determine whether OsPT2 overexpression would increase N2 fixation and ammonium assimilation in three T3 homozygous transgenic lines (HTLs) under P deficiency in pot culture. Under low inorganic phosphate (Pi) conditions, the P accumulation, total N and total ureide concentrations were significantly higher in the T3 HTLs than in the wild type (WT) plants. Further, the T3 HTLs showed significantly better plant growth performance and nodule development than the WT plants under low-Pi conditions. Quantitative real-time PCR (qRT-PCR) analysis showed that the expression levels of GmENOD40-1, GmENOD40-2 (two early nodulin genes), and GmLba (one leghemoglobin gene) were significantly increased in T3 HTLs under P deficiency at 24 and 32 d after inoculation (DAI). The increased transcript levels of GmGS1β1 and GmGS1β2 (two cytosolic glutamine synthetase genes) in the T3 HTLs were consistent with the increase in glutamine synthetase (GS, EC 6.3.1.2) activity at 32 DAI. Our results indicated that the overexpression of OsPT2 in T3 HTLs enhances N2 fixation and ammonium assimilation activity under low P stress.
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Investigation on Mechanical Properties of Masonry Infill Wall Strengthened with ECC
Yue Li,Jincai Zhu,Zigeng Wang 대한토목학회 2019 KSCE Journal of Civil Engineering Vol.23 No.1
Engineered Cementitious Composite (ECC) is an advanced composite material with strain-hardening and multiple-cracking behaviors. In this study, two types of ECC materials were troweled on masonry infill walls strengthened with expansion bolt and interfacial agent. The seismic performance of the unreinforced and the ECC reinforced masonry structures was evaluated by the reversed cyclic loading test. The results showed that the application of the ECC on the masonry infill walls can improve the ultimate bearing capacity (in plane), ductility, stiffness and accumulative energy dissipation of the structure. Compared with the masonry structure with one side reinforced by the ECC, the structure with both sides reinforced by the ECC could better improve the ultimate bearing capacity, stiffness and cumulative energy dissipation with little difference on the ductility improvement. Moreover, the expansion bolt and the interfacial agent used to improve the connection between the ECC and the masonry structure have the ability to greatly increase the mechanical properties of the structure under cyclic loading.
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Influence of additives on the morphology of α-Al2O3 platelets synthesized in a molten salt
Zhu Li-hui,Dai Yue-qin,Huang Qing-wei 한양대학교 세라믹연구소 2010 Journal of Ceramic Processing Research Vol.11 No.2
Trisodium phosphate (Na3PO4·12H2O) and titanyl sulfate (TiOSO4) were chosen to study the influence of additives on the morphology of α-Al2O3 platelets synthesized by molten salt synthesis. When Na3PO4·12H2O is added, α-Al2O3 platelets become thin and quite irregular. Besides, less overlapped particles can be found. When TiOSO4 is added, regular hexagonal α-Al2O3platelets with a decreased size and increased thickness are obtained. When 0.51 wt% Na3PO4·12H2O and 12 wt% TiOSO4 are added, α-Al2O3 platelets with a regular shape and an aspect ratio of 12.5 are developed. The mechanism of Na3PO4·12H2O and TiOSO4 on the morphology of α-Al2O3 platelets is also discussed in this paper.
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Yue, Chunwang,Du, Lixin,Zhang, Wei,Zhu, Xiaoping,Kong, Xianghao,Jia, Zhihai Asian Australasian Association of Animal Productio 2010 Animal Bioscience Vol.23 No.10
The aim of this research was to investigate the dynamic changes of the level of total prolactin receptor (PRLR) mRNA and the short form prolactin receptor (S-PRLR) mRNA in skin of cashmere goats from the initiation of cashmere fibre growth to active growth. Eighteen half-sib wethers were allocated randomly to two groups. Melatonin implants were used in order to initiate growth of cashmere fibre before the normal time and reduce blood plasma prolactin (PRL) concentration. Real-time reverse transcription quantitative polymerase chain reaction (real-time PCR) was used to determine PRLR mRNA expression levels of skin from June to November. The results showed that, in Chinese Inner Mongolia cashmere goats, there were seasonal variations in expression of total PRLR mRNA in skin with levels decreasing from June to October. Synchronously, the cashmere fibre growth rate gradually increased during this period, but the expression levels of S-PRLR mRNA did not decrease along with seasonal variation from initiation to active growth of cashmere fibre. These results suggest that expression levels of S- PRLR mRNA might be involved in the process of cashmere growth. It was also possible that the change of alternative splicing of PRLR occurred in the skin of cashmere goats from proanagen to anagen.
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