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< Page ,Total 151 >
MANAGEMENT EDUCATION IN CHINA - PAST, PRESENT AND FUTURE AHCI SSCI Scopus
期刊论文 | 1992 , 20 (6) , 873-880 | WORLD DEVELOPMENT
WoS CC Cited Count: 2 SCOPUS Cited Count: 7
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Abstract :

China's ambitious economic reform, which began in the late 1970s, was intended to revitalize existing enterprises. Accompanying this reform, China's management education has gained increased prominence, and related fields have developed concurrently as the economic reform requires a large contingent of entrepreneurial-type managerial personnel to be effective. China's management schools, however, face serious problems, including a shortage of qualified faculty, an unbalanced curriculum, deficient teaching facilities, and an undiversified student body. All these problems pose a serious threat to the success of China's economic reform, as better trained managers are the cornerstone to enterprises' success. This article presents a review of the development of China's management education system, a discussion of current problems, and recommendations for improvement.

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GB/T 7714 DENG, SL , WANG, YL . MANAGEMENT EDUCATION IN CHINA - PAST, PRESENT AND FUTURE [J]. | WORLD DEVELOPMENT , 1992 , 20 (6) : 873-880 .
MLA DENG, SL 等. "MANAGEMENT EDUCATION IN CHINA - PAST, PRESENT AND FUTURE" . | WORLD DEVELOPMENT 20 . 6 (1992) : 873-880 .
APA DENG, SL , WANG, YL . MANAGEMENT EDUCATION IN CHINA - PAST, PRESENT AND FUTURE . | WORLD DEVELOPMENT , 1992 , 20 (6) , 873-880 .
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CARRIER NONRESONANT TUNNELING IN ASYMMETRIC COUPLED DOUBLE QUANTUM-WELLS SCIE Scopus
期刊论文 | 1992 , 12 (2) , 231-235 | SUPERLATTICES AND MICROSTRUCTURES
WoS CC Cited Count: 1 SCOPUS Cited Count: 1
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GB/T 7714 XU, SJ , JIANG, DS , LI, GH et al. CARRIER NONRESONANT TUNNELING IN ASYMMETRIC COUPLED DOUBLE QUANTUM-WELLS [J]. | SUPERLATTICES AND MICROSTRUCTURES , 1992 , 12 (2) : 231-235 .
MLA XU, SJ et al. "CARRIER NONRESONANT TUNNELING IN ASYMMETRIC COUPLED DOUBLE QUANTUM-WELLS" . | SUPERLATTICES AND MICROSTRUCTURES 12 . 2 (1992) : 231-235 .
APA XU, SJ , JIANG, DS , LI, GH , LUO, JS . CARRIER NONRESONANT TUNNELING IN ASYMMETRIC COUPLED DOUBLE QUANTUM-WELLS . | SUPERLATTICES AND MICROSTRUCTURES , 1992 , 12 (2) , 231-235 .
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CALCULATIONS OF BIVARIATE SPLINES .2. BM-SPLINES IN SKP,DELTA, S1/3,(DELTA)BAR, AND S2/4,(DELTA)BAR SCIE CSCD
期刊论文 | 1992 , 12 (2) , 215-229 | ACTA MATHEMATICA SCIENTIA
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Examining the B-coefficient relations between two adjacent s-simplicies with given smoothness requirements, we find a compromise technique between btp-coefficients and B-coefficients to calculate a bivariate locally supported spline, give another proof of the BM-splines in S(loc) (4d, 3d-1, DELTA-2) and establish the BM-splines in S-3(1),DELTA-2BAR and S4,DELTA-2BAR.

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GB/T 7714 LIAN, JA , CHENG, ZX . CALCULATIONS OF BIVARIATE SPLINES .2. BM-SPLINES IN SKP,DELTA, S1/3,(DELTA)BAR, AND S2/4,(DELTA)BAR [J]. | ACTA MATHEMATICA SCIENTIA , 1992 , 12 (2) : 215-229 .
MLA LIAN, JA et al. "CALCULATIONS OF BIVARIATE SPLINES .2. BM-SPLINES IN SKP,DELTA, S1/3,(DELTA)BAR, AND S2/4,(DELTA)BAR" . | ACTA MATHEMATICA SCIENTIA 12 . 2 (1992) : 215-229 .
APA LIAN, JA , CHENG, ZX . CALCULATIONS OF BIVARIATE SPLINES .2. BM-SPLINES IN SKP,DELTA, S1/3,(DELTA)BAR, AND S2/4,(DELTA)BAR . | ACTA MATHEMATICA SCIENTIA , 1992 , 12 (2) , 215-229 .
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THE EFFECT OF A GAP BETWEEN LAYERS ON THE HEAT-TRANSFER PERFORMANCE OF ALIGNED TUBE BANKS SCIE Scopus
期刊论文 | 1992 , 13 (2) , 33-41 | HEAT TRANSFER ENGINEERING
WoS CC Cited Count: 12
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Abstract :

An s1/d = 3, s2/d = 1.1 aligned tube bank with different gap widths between tube layers was employed for investigation. The value of s3/d varied between 1.2 and 6 and the Reynolds number varied from 3,000 to 10,000, which covers the range of practical interest. Tube layers consisting of three or four tubes have been tested and the experimental data were compared with the standard aligned tube bank. Experimental data showed that the existence of a gap enhanced the heat transfer of those tubes just adjacent to the gap by 10-30%, and the heat transfer was fully developed again at the fourth row behind the gap. Therefore these data could be used to calculate the heat transfer coefficient of aligned tube banks with gaps between tube layers having any number of rows.

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GB/T 7714 ZHANG, YW , CHEN, ZQ . THE EFFECT OF A GAP BETWEEN LAYERS ON THE HEAT-TRANSFER PERFORMANCE OF ALIGNED TUBE BANKS [J]. | HEAT TRANSFER ENGINEERING , 1992 , 13 (2) : 33-41 .
MLA ZHANG, YW et al. "THE EFFECT OF A GAP BETWEEN LAYERS ON THE HEAT-TRANSFER PERFORMANCE OF ALIGNED TUBE BANKS" . | HEAT TRANSFER ENGINEERING 13 . 2 (1992) : 33-41 .
APA ZHANG, YW , CHEN, ZQ . THE EFFECT OF A GAP BETWEEN LAYERS ON THE HEAT-TRANSFER PERFORMANCE OF ALIGNED TUBE BANKS . | HEAT TRANSFER ENGINEERING , 1992 , 13 (2) , 33-41 .
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DIGITAL-TECHNIQUES FOR PARTIAL DISCHARGE MEASUREMENTS SCIE
期刊论文 | 1992 , 7 (2) , 469-479 | IEEE TRANSACTIONS ON POWER DELIVERY
WoS CC Cited Count: 28
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The working group is addressing the subject of digital analysis of partial discharges (PD) in power apparatus. Included in its activities is a worldwide survey of ongoing research and a review of previous work in this area. Several papers are being prepared with emphasis on the post-measurement processing, analysis, and meaningful presentation of the PD signals, and the significance of the presentation as it relates to insulation degradation in various types of power apparatus. The papers describe currently accepted techniques using analog type instrumentation for detection and display, present critical reviews of these techniques for assessment of the qualification of power apparatus, and show the inadequacies of these methods in light of the new techniques using digital technology. This report is an excerpt, dealing with the general concepts of digital techniques in PD measurements, taken from that paper. The complete Bibliography used to date is presented at the end of this paper for further reading.

Keyword :

POWERAPPARATUS PARTIAL DISCHARGE COMPUTER AIDED MEASUREMENT DIGITAL ANALYSIS

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GB/T 7714 WARD, BH , BARTNIKAS, R , VANBRUNT, RJ et al. DIGITAL-TECHNIQUES FOR PARTIAL DISCHARGE MEASUREMENTS [J]. | IEEE TRANSACTIONS ON POWER DELIVERY , 1992 , 7 (2) : 469-479 .
MLA WARD, BH et al. "DIGITAL-TECHNIQUES FOR PARTIAL DISCHARGE MEASUREMENTS" . | IEEE TRANSACTIONS ON POWER DELIVERY 7 . 2 (1992) : 469-479 .
APA WARD, BH , BARTNIKAS, R , VANBRUNT, RJ , CHANGRONG, Q . DIGITAL-TECHNIQUES FOR PARTIAL DISCHARGE MEASUREMENTS . | IEEE TRANSACTIONS ON POWER DELIVERY , 1992 , 7 (2) , 469-479 .
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THE COMPUTER-SIMULATION OF AN INTENSE CS0 BEAM SOURCE FOR A COLLIDING-BEAM POLARIZED NEGATIVE-ION SOURCE SCIE Scopus
期刊论文 | 1992 , 63 (4) , 2640-2642 | REVIEW OF SCIENTIFIC INSTRUMENTS
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The computer simulation of the intense Cs0 source attached to the Wisconsin colliding polarized negative ion source has been performed. The beam phase diagram and phase density distribution function are applied to the study. The principle of the simulation is described. In consideration of the scattering effect of the particles in the neutralization region the characteristics of the phase space is modified and finally the Cs0 beam intensity after passing through the drift region can be obtained by means of beam-transport theory. The calculated results are in good agreement with the experimental data and the main factor limiting the resultant Cs0 beam is found out.

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GB/T 7714 RAO, YS , XI, YH , XI, BL . THE COMPUTER-SIMULATION OF AN INTENSE CS0 BEAM SOURCE FOR A COLLIDING-BEAM POLARIZED NEGATIVE-ION SOURCE [J]. | REVIEW OF SCIENTIFIC INSTRUMENTS , 1992 , 63 (4) : 2640-2642 .
MLA RAO, YS et al. "THE COMPUTER-SIMULATION OF AN INTENSE CS0 BEAM SOURCE FOR A COLLIDING-BEAM POLARIZED NEGATIVE-ION SOURCE" . | REVIEW OF SCIENTIFIC INSTRUMENTS 63 . 4 (1992) : 2640-2642 .
APA RAO, YS , XI, YH , XI, BL . THE COMPUTER-SIMULATION OF AN INTENSE CS0 BEAM SOURCE FOR A COLLIDING-BEAM POLARIZED NEGATIVE-ION SOURCE . | REVIEW OF SCIENTIFIC INSTRUMENTS , 1992 , 63 (4) , 2640-2642 .
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HYDROTHERMAL SYNTHESIS OF ACICULAR LEAD TITANATE FINE POWDERS SCIE Scopus
期刊论文 | 1992 , 75 (5) , 1123-1128 | JOURNAL OF THE AMERICAN CERAMIC SOCIETY
WoS CC Cited Count: 50 SCOPUS Cited Count: 57
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A pure, acicular lead titanate (PbTiO3) fine powder with a white color has been prepared by hydrothermal synthesis. It is a new phase of PbTiO3, with I4 symmetry, cell parameters of a = 12.358 angstrom and b = 14.541 angstrom, and a density of 6.80 g . cm-3. The influences of pH (12.5 to 14.4), Pb/Ti ratio (1.0 to 1.6) in the feedstock, reaction temperature (130-degrees to 230-degrees-C), time (0.25 to 4 h), starting materials, and additives on the formation of acicular PbTiO3 under hydrothermal conditions have been investigated. The acicular PbTiO3 with I4 symmetry, referred to as the PX phase, can be converted to the perovskite-type (PE phase) of PbTiO3 at about 605-degrees-C while its acicular morphology is essentially unchanged. The preferable conditions for preparing pure acicular PX-phase PbTiO3 are that the pH is 13.0 to 14.0, Pb/Ti ratio is > 1.3, reaction temperature is 170-degrees to 200-degrees-C, time is 0.5 to 1.0 h, titanium butoxide (Ti[O(CH2)3CH3]4) is the starting material, and poly(vinyl alcohol) is an additive. The acicular grain of the PX phase is usually less than 100 nm in diameter and more than 1000 nm in length.

Keyword :

HYDROTHERMAL PROCESS LEAD TITANATE PHASE TRANSFORMATION POWDERS MORPHOLOGY

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GB/T 7714 CHENG, HM , MA, JM , ZHAO, ZG et al. HYDROTHERMAL SYNTHESIS OF ACICULAR LEAD TITANATE FINE POWDERS [J]. | JOURNAL OF THE AMERICAN CERAMIC SOCIETY , 1992 , 75 (5) : 1123-1128 .
MLA CHENG, HM et al. "HYDROTHERMAL SYNTHESIS OF ACICULAR LEAD TITANATE FINE POWDERS" . | JOURNAL OF THE AMERICAN CERAMIC SOCIETY 75 . 5 (1992) : 1123-1128 .
APA CHENG, HM , MA, JM , ZHAO, ZG , QIANG, D , LI, YX , YAO, X . HYDROTHERMAL SYNTHESIS OF ACICULAR LEAD TITANATE FINE POWDERS . | JOURNAL OF THE AMERICAN CERAMIC SOCIETY , 1992 , 75 (5) , 1123-1128 .
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FRETTING ON SILVER-PLATED COPPER CONTACT TERMINALS OF RECTANGULAR ELECTRICAL CONNECTOR ASSEMBLIES EI SCIE Scopus
期刊论文 | 1992 , 154 (1) , 125-132 | WEAR
WoS CC Cited Count: 1 SCOPUS Cited Count: 1
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The electrical connector assemblies used in vehicular and other mobile instruments inevitably suffer vibrations of different frequencies, amplitudes and directions. Fretting often occurs on their contact surfaces. In this research, after a period of vibration testing, the silver-plated copper contact terminals of rectangular electrical connector assemblies were carefuly examined with optical and scanning electron microscopes. The composition of the resulting surfaces was analysed by X-ray fluorescence and energy spectrum techniques. It was found that local regions of the silver layer delaminated from the copper matrix. Oxides of copper and silver were found on the fretted surfaces and material transfer occurred during this process. Some flake-like debris formed on the surfaces. It is concluded that adhesion and delamination mechanisms were together effecting the wear of the contact surfaces.

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GB/T 7714 LIU, Y , XIE, YB . FRETTING ON SILVER-PLATED COPPER CONTACT TERMINALS OF RECTANGULAR ELECTRICAL CONNECTOR ASSEMBLIES [J]. | WEAR , 1992 , 154 (1) : 125-132 .
MLA LIU, Y et al. "FRETTING ON SILVER-PLATED COPPER CONTACT TERMINALS OF RECTANGULAR ELECTRICAL CONNECTOR ASSEMBLIES" . | WEAR 154 . 1 (1992) : 125-132 .
APA LIU, Y , XIE, YB . FRETTING ON SILVER-PLATED COPPER CONTACT TERMINALS OF RECTANGULAR ELECTRICAL CONNECTOR ASSEMBLIES . | WEAR , 1992 , 154 (1) , 125-132 .
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MODE-I FRACTURE IN 2 DISSIMILAR FUNCTIONAL NONHOMOGENEOUS PLANES SCIE
期刊论文 | 1992 , 42 (1) , 33-44 | ENGINEERING FRACTURE MECHANICS
WoS CC Cited Count: 6
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This study deals with the stress intensity factors (SIFS) in two dissimilar functional non-homogeneous materials containing cracks perpendicular to the interface. Assuming that the shear moduli of the materials vary exponentially with the spatial coordinates, the problem is reduced to the solution of a singular integral equation with a generalized Cauchy kernel. It is shown that the stresses possess the usual square-root singularity when the crack is fully embedded in one medium, but the singularity is dependent on m when an end of the crack is located at the interface. The singular index-beta decreases with increasing m, but is independent of alpha(k).

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GB/T 7714 GAO, XS , KUANG, ZB . MODE-I FRACTURE IN 2 DISSIMILAR FUNCTIONAL NONHOMOGENEOUS PLANES [J]. | ENGINEERING FRACTURE MECHANICS , 1992 , 42 (1) : 33-44 .
MLA GAO, XS et al. "MODE-I FRACTURE IN 2 DISSIMILAR FUNCTIONAL NONHOMOGENEOUS PLANES" . | ENGINEERING FRACTURE MECHANICS 42 . 1 (1992) : 33-44 .
APA GAO, XS , KUANG, ZB . MODE-I FRACTURE IN 2 DISSIMILAR FUNCTIONAL NONHOMOGENEOUS PLANES . | ENGINEERING FRACTURE MECHANICS , 1992 , 42 (1) , 33-44 .
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UNIFIED CDM MODEL AND LOCAL CRITERION FOR DUCTILE FRACTURE .2. DUCTILE FRACTURE LOCAL CRITERION BASED ON THE CDM MODEL EI SCIE Scopus
期刊论文 | 1992 , 42 (1) , 185-193 | ENGINEERING FRACTURE MECHANICS
WoS CC Cited Count: 31
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A unified local criterion for ductile fracture is proposed on the basis of the continuum damage mechanics (CDM) model given by the author in Part I [Engng Fracture Mech. (submitted)], in which the stress, strain and damage history are included. The new ductile fracture parameter W(DC) has obvious physical meaning and can be determined by a macroscopic method, which is experimentally verified as a material constant independent of stress states. Comparisons of the present criterion with others are given, which show some advantages of the present criterion over others. The relationship between local parameter W(DC) and the well known global parameter J(C) is also established.

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GB/T 7714 WANG, TJ . UNIFIED CDM MODEL AND LOCAL CRITERION FOR DUCTILE FRACTURE .2. DUCTILE FRACTURE LOCAL CRITERION BASED ON THE CDM MODEL [J]. | ENGINEERING FRACTURE MECHANICS , 1992 , 42 (1) : 185-193 .
MLA WANG, TJ . "UNIFIED CDM MODEL AND LOCAL CRITERION FOR DUCTILE FRACTURE .2. DUCTILE FRACTURE LOCAL CRITERION BASED ON THE CDM MODEL" . | ENGINEERING FRACTURE MECHANICS 42 . 1 (1992) : 185-193 .
APA WANG, TJ . UNIFIED CDM MODEL AND LOCAL CRITERION FOR DUCTILE FRACTURE .2. DUCTILE FRACTURE LOCAL CRITERION BASED ON THE CDM MODEL . | ENGINEERING FRACTURE MECHANICS , 1992 , 42 (1) , 185-193 .
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