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Search Results: 1 - 10 of 104202 matches for " Xinrui Zhang "
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AACSB Accreditation in China---Current Situation, Problems, and Solutions
Xinrui Zhang,Yan Gao
International Journal of Higher Education , 2012, DOI: 10.5430/ijhe.v1n2p210
Abstract: This paper first introduces the background of the AACSB accreditation, and then analyzes the current status of the participation of Chinese business schools in AACSB accreditation. Based on the data analysis, the paper points out that there are two main problems in the Chinese business schools AACSB accreditation: low participation rate and low success rate. The causes of these problems are concluded as language factor, standard factor as well as the misconception of the accreditation. Suggested solutions from the aspects of learning, communication, and ability enhance are given at the last part of the paper.
Empirical Research on Associations among Information Technology, Supply Chain Robustness and Supply Chain Performance
Xinrui Zhang,Hengshan Wang
International Journal of Business and Management , 2011, DOI: 10.5539/ijbm.v6n2p231
Abstract: Supply chain reliability and ability to do with risks are important research fields in SCM. Although it is intuitive that supply chain’s ability to resist risks is likely to have a positive impact on supply chain performance, there is little systematic analysis and documentation of the magnitude of these impacts in the literature. This paper empirically documents the associations among information technology, supply chain robustness, and supply chain performance. Based on a sample of 186 questionnaires, the results show the positive impact of information technology on supply chain robustness and supply chain performance, and also the positive impact of supply chain robustness and supply chain performance.
Review on SCM Empirical Research Published in Chinese Journals: Trends and Future Research Directions
Xinrui Zhang,Hengshan Wang
Asian Social Science , 2010, DOI: 10.5539/ass.v6n8p104
Abstract: Supply chain management (SCM) is an important research field and has yield many valuable theories and methods. To use empirical research methods to build and testify the theories in SCM field is not only necessary but fruitful. This paper reviews and evaluates SCM empirical research in 63 papers published in Chinese journals from 2001 to 2009, to assess these papers’ research purposes, research industries, research contents, data collection approaches, and data analysis technologies. To compare the SCM empirical research in China with the research in USA, we find some interesting differences and make a conclusion of the problems in Chinese research. We also discuss the trends and directions for further empirical research in SCM.
Personalized Recommendation-based Partner Selection for SDN
Ying Wang,Li Chen,Xinrui Zhang
International Business Research , 2012, DOI: 10.5539/ibr.v5n12p127
Abstract: Supply and Demand Network with multi-functional and opening characteristics for enterprise (SDN) advocates global cooperation model. This paper studies SDN’s partner selection, expounds SDN partners personalized system model, analyzes functional modules and verifies the rationality.
Abrikosov String in N=2 Supersymmetric QED
Xinrui Hou
Physics , 2000, DOI: 10.1103/PhysRevD.63.045015
Abstract: We study the Abrikosov-Nielsen-Olesen string in N=2 supersymmetric QED with N=2-preserving superpotential, in which case the Abrikosov string is found to be 1/2-BPS saturated. Adding a quadratic small perturbation in the superpotential breaks N=2 supersymmetry to N=1 supersymmetry. Then the Abrikosov string is no longer BPS saturated. The difference between the string tensions for the non-BPS and BPS saturated situation is found to be negative to the first order of the perturbation parameter.
Overexpression of candidate tumor suppressor ECRG4 inhibits glioma proliferation and invasion
Wei Li, Xinrui Liu, Bo Zhang, Dongxue Qi, Lihong Zhang, Yuhong Jin, Hongfa Yang
Journal of Experimental & Clinical Cancer Research , 2010, DOI: 10.1186/1756-9966-29-89
Abstract: Real-time PCR was used to examine expression of ECRG4 in gliomas and their matched brain tissues. The effect of ECRG4 expression on cell proliferation, invasion, and migration was investigated in human U251 glioma cells. Finally, the regulation of transcription factor NF-kB by ECRG4 was evaluated by western blotting.Of the 10 paired samples analyzed, 9 glioma tissues displayed the decreased expression of ECRG4 compared to matched normal brain tissues. Cells transfected with ECRG4 showed significantly decreased cell proliferation as evaluated by MTT and colony formation assays. Furthermore, overexpression inhibited cell migration and invasion in transwell and Boyden chamber experiments and retarded the cell cycle progression from G1 to S phase by FACSCaliber cytometry. Protein levels of nuclear transcription factor NF-kB, which is involved in cell proliferation, inversely correlated with ECRG4 expression.Our data suggest that ECRG4 serves as a tumor suppressor in glioma.Glioma is the most common and aggressive form of brain tumors that affects adults. Despite advances in surgical and clinical neuro-oncology, malignant glioma prognosis remains poor due to its diffuse and invasive nature. To date, the molecular pathogenesis of glioma is still unclear. As a result, a major research effort has been directed at identification of specific genes which might play important roles in glioma carcinogenesis.The ECRG4 gene [GenBank accession no.AF325503] was initially identified and cloned by Bi et al[1,2] by comparing differential gene expression between human normal esophageal epithelia and ESCCs from high incidence families in Linxian County of Northern China. Further, this group [3,4] and Mori [5] found that ECRG4 expression was significantly decreased in ESCC tissues and cell lines compared to normal adult esophageal epithelia.Hypermethylation of CpG islands of gene promoter often causes transcriptional silencing of genes, including tumor suppressor genes [6-10]. Previous st
How to Deal with Student Misbehaviour in the Classroom?
Xinrui Yuan,Ling Che
Journal of Educational and Developmental Psychology , 2012, DOI: 10.5539/jedp.v2n1p143
Abstract: Student Misbehaviour in the classroom is a tough and unavoidable task to the teachers and it takes up teachers considerable time to deal with. The paper tries to define and classify classroom misbehaviour, and then attempts to generally analyse the main reasons that cause students misbehaviour in the classroom from three aspects: the students, the teacher and the society, then according to the seriousness of misbehaviour it gives some suggestions of appropriate steps to control the problem effectively, from preventing to punishment, to build good student-teacher relationship and assure the teaching and learning progress.
A Tentative Study on Differences and Integration of Sino-Western Filial Piety Culture
Xinrui Yuan,Qing Wang
Asian Social Science , 2011, DOI: 10.5539/ass.v7n8p97
Abstract: Filial piety has become an important cultural symbol of civilization in Chinese national vitality which is different with others’. For thousands of years, it has been regarded as a traditional virtue and permeated into the national blood and bone. The Chinese filial piety culture and thought are limited to the nature and influenced by the Confucian ideology. There is also filial idea in the Western culture, which is lean to surpass the nature, and is affected by the Christianity; however, due to various reasons they are in obviously different forms. In the wave of globalization, a large-scale importation of Western thoughts and culture has collided with traditional Chinese thoughts and culture, filial piety is no exception. The paper focuses on exploring the differences and integration of filial piety between Chinese and Western cultures, and the factors contributing to this dissimilarity would be identified. The paper indicates that there are huge differences of the Sino-Western filial morality culture due to their diverse social and historical backgrounds as well as the reasons lie behind geography, nature and values. Bearing these differences in mind can not only reduce unnecessary conflict and clash but enhance mutual understanding and respect in cross-cultural communication, hence seek to the possibility of narrowing the cultural gap. Meanwhile, the two filial ideas could find ways to form the complementarities and coexist harmoniously.
A Quasi-Exactly Solvable N-Body Problem with the sl(N+1) Algebraic Structure
Xinrui Hou,M. Shifman
Physics , 1998, DOI: 10.1142/S0217751X99001457
Abstract: Starting from a one-particle quasi-exactly solvable system, which is characterized by an intrinsic sl(2) algebraic structure and the energy-reflection symmetry, we construct a daughter N-body Hamiltonian presenting a deformation of the Calogero model. The features of this Hamiltonian are (i) it reduces to a quadratic combination of the generators of sl(N+1); (ii) the interaction potential contains two-body terms and interaction with the force center at the origin; (iii) for quantized values of a certain cohomology parameter n it is quasi-exactly solvable, the multiplicity of states in the algebraic sector is (N+n)!/(N!n!); (iv) the energy-reflection symmetry of the parent system is preserved.
Empirical Research and Automatic Processing Method of Precision-specific Operation
Ran Wang,Xinrui He
Computer Science , 2015,
Abstract: Significant inaccuracy often occurs during the process of mathematical calculation due to the digit limitation of floating point, which may lead to catastrophic loss. Normally, people believe that adjustment of floating-point precision is an effective way to solve this problem, since high-precision floating-point has more digits to store information. Thus, it is a prevalent method to reduce the inaccuracy in much floating-point related research, that performing all the operations with higher precision. However, we discover that some operations may lead to larger error in higher precision. In this paper, we define this kind of operation that generates large error due to precision adjustment a precision-specific operation. Furthermore, we propose a light-weight searching algorithm for detecting precision-specific operations and figure out an automatic processing method to fixing them. In addition, we conducted an experiment on the scientific mathematical library of GLIBC. The result shows that there are many precision-specific operations, and our fixing approach can significantly reduce the inaccuracy.
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