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The Research‐Practice Gap in Human Resource Management: A Cross‐Cultural Study
Tenhiä,lä,, Aino,Giluk, Tamara L.,Kepes, Sven,Simó,n, Cristina,Oh, In‐,Sue,Kim, Seongsu John Wiley [etc.] 2016 Human Resource Management Vol.55 No.2
<P>In this study, we examine the cross‐cultural differences in human resource (HR) managers’ beliefs in effective HR practices by surveying HR practitioners in Finland (N = 86), South Korea (N = 147), and Spain (N = 196). Similar to previous studies from the United States, the Netherlands, and Australia, there are large discrepancies between HR practitioner beliefs and research findings, particularly in the area of staffing. In addition, we find that interpersonal‐oriented aspects of HR practices tend to be more culturally bound than technical‐oriented aspects of HR practices. We interpret the differences using Hofstede's cultural dimensions (Power Distance, Individualism versus Collectivism, Masculinity versus Femininity, Long‐Term Orientation versus Short‐Term Orientation, and Uncertainty Avoidance). We discuss the overall nature of the science‐practice gap in HR management, and the implications for evidence‐based management. © 2014 Wiley Periodicals, Inc.</P>
A THREE-PHASE AC-DC BUCK TYPE BIDIRECTIONAL POWER CONVERTER
Keping You,M. F. Rahman 전력전자학회 2004 ICPE(ISPE)논문집 Vol.- No.-
A three-phase ac to dc bidirectional power converter is proposed based on the matrix converter theory to satisfy the application area where single stage three-phase ac to dc power conversion, tight voltage regulation, voltagemagnitude step-down from ac side to dc side, and bidirectional operation are simultaneously required. Both theoretical justification and simulated physical implementation are presented.
Analysis of Conduction and Switching Losses of A Matrix-Z-Source Converter
Keping You,M. F. Rahman 전력전자학회 2007 ICPE(ISPE)논문집 Vol.- No.-
The analytical model of the conduction and switching losses of matrix Z-source converter (MZC) was investigated in this paper. The model provides a measurable way to approximate the total loss of MZC.
Keping Zhang,Xiaohui Zhang,Shunhua Zhou 국제구조공학회 2021 Structural Engineering and Mechanics, An Int'l Jou Vol.80 No.5
A difference in subgrade settlement between two rails of a track manifests as lateral differential subgrade settlement. This settlement causes unsteadiness in the motion of trains passing through the corresponding area. To illustrate the effect of lateral differential subgrade settlement on the dynamic response of a vehicle-track coupling system, a three-dimensional vehicletrack- subgrade coupling model was formulated by combining the vehicle-track dynamics theory and the finite element method. The wheel/rail force, car body acceleration, and derailment factor are chosen as evaluation indices of the system dynamic response. The effects of the amplitude and wavelength of lateral differential subgrade settlement as well as the driving speed of the vehicle are analyzed. The study reveals the following: The dynamic responses of the vehicle-track system generally increase linearly with the driving speed when the train passes through a lateral subgrade settlement area. The wheel/rail force acting on a rail with a large settlement exceeds that on a rail with a small settlement. The dynamic responses of the vehicle-track system increase with the amplitude of the lateral differential subgrade settlement. For a 250-km/h train speed, the proposed maximum amplitude for a lateral differential settlement with a wavelength of 20 m is 10 mm. The dynamic responses of the vehicle-track system decrease with an increase in the wavelength of the lateral differential subgrade settlement. To achieve a good operation quality of a train at a 250-km/h driving speed, the wavelength of a lateral differential subgrade settlement with an amplitude of 20 mm should not be less than 15 m. Monitoring lateral differential settlements should be given more emphasis in routine highspeed railway maintenance and repairs.
Analytical Model of Conduction and Switching Losses of Matrix-Z-Source Converter
Keping You,M. F. Rahman 전력전자학회 2009 JOURNAL OF POWER ELECTRONICS Vol.9 No.2
This paper investigates analytical models of Conduction and Switching Losses (CASLs) of a matrix-Z-source converter (MZC). Two analytical models of the CASLs are obtained through the examination of operating principles for a Z-source inverter and ac-dc matrix converter respectively. Based on the two models, the analytical model of CASLs for a MZC is constructed and visualized over a range of exemplified operating- points, each of which is defined by the combination of power factor (pf) and modulation index (M). The model provides a measurable way to approximate the total losses of the MZC.
Analytical Model of Conduction and Switching Losses of Matrix-Z-Source Converter
You, Keping,Rahman, M.F. The Korean Institute of Power Electronics 2009 JOURNAL OF POWER ELECTRONICS Vol.9 No.2
This paper investigates analytical models of Conduction and Switching Losses (CASLs) of a matrix-Z-source converter (MZC). Two analytical models of the CASLs are obtained through the examination of operating principles for a Z-source inverter and ac-dc matrix converter respectively. Based on the two models, the analytical model of CASLs for a MZC is constructed and visualized over a range of exemplified operating- points, each of which is defined by the combination of power factor (pt) and modulation index (M). The model provides a measurable way to approximate the total losses of the MZC.
Chen, Keping,Yao, Qin,Wang, Yong,Cheng, Jialin Korean Society of Sericultural Science 2003 International Journal of Industrial Entomology Vol.7 No.1
The nuclear polyhedrosis virus (NPV) resistance of silkworm is controlled by a pair of dominant genes on autosome and micro-effect modificator genes on sex chromosome Z and has the phenomenon of patroclinal inheritance. Based on its hereditary characteristics, methods of preparing near isogenic lines and their $F_2$ populations for screening molecular markers were designed.
Screening of RAPD Markers for Fluoride Resistance in Bombyx mori L.
Chen, Keping,Yao, Qin,Li, Muwang,Wang, ong Korean Society of Sericultural Science 2003 International Journal of Industrial Entomology Vol.7 No.1
NF733xin, the near allele line was obtained by means of crossing and backcrossing the silkworm race T6, which contained fluoride resistance major gene, to race 733xin, which was highly susceptible to fluoride toxicity. Two hundred RAPD random primers were used in the RAPD analysis of these 3 strains. Two molecular markers, OPB-08850 and OPB-10917, were obtained. OPB-10917 was used to detect the backcross generations. It was found that all the fluoride resistant individuals in each backcross generation had the same special band. These results proved that this marker was reliable.
Screening and Cloning of RAPD Markers from the W Chromosome of Silkworm, Bombyx mori L.
Chen, Keping,Zhang, Chunxia,Yao, Qin,Xu, Qinggang,Tang, Xudong Korean Society of Sericultural Science 2004 International Journal of Industrial Entomology Vol.8 No.2
Silkworms sex determination drew high attention from researchers. Sex chromosomes on the silkworm are of ZW type for females and ZZ type for males. Chromosome W plays an important role in sex determination. Although several molecular linkage maps have been constructed for silkworm, very few markers are discovered on the W chromosome. In order to look for molecular markers and to further locate the Fern gene on chromosome W, we used genomic DNA from both female and male larvae of a silkworm strain named 937 as PCR templates for RAPD amplification with 200 arbitrary 10-mer primers. The amplification results showed three female-specific bands, namely ${OPG-07_496}, {OPC-15_1,660} and {OPE-18_1,279}$. Further verification, however, revealed no band from OPG-07 and OPC-15 in either sex in the strain 798, but OPE-18 provided female-specific band in the strains Suluan7 and C108, and absent in both males and strain 798. This indicates that the bands from ${OPG-07_496} and {OPC-15_1,660}$ are probably female-specific in strain 937, and the band from OPE-18 was probably amplified from a common segment shared by most strains. The genomic DNAs from OPG-07 and OPC-15 were cloned and sequenced. Sequence analysis showed that the DNAs from OPG-07 and OPC-15 have high identities with the retrotransposable elements, and DNA from OPC-15 contains a portion of sequence which probably encodes an eukaryotic translation initiation factor 4E binding protein (eIF4EBP).