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东西方物质文化之比较

天津师范大学学报（社会科学版） 2002年第4期22卷 41-43,62页

作者：张滨江天津外国语学院

物质文化是人类文化的重要范畴 ,而古代中国封闭型的农业物质文化和古希腊开放型的渔商物质文化分别代表了东西方物质文化的源头。

关键词：物质文化封闭型文化开放型文化东方国家西方文化精神文化

Michael p.r.lman:An ecological future in view of Marxist Ecoomics (Ⅰ)

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Ecological Economy 2009年第3期 204-204,313页

作者： ren Xiaomei * FLTrp, Beijing foreign studies {2.rsity, Beijing 100089, p.r. China

Interviewee profile: Michael p.r.lman, currently professor of Economics Dep.r.ment of California State {2.rsity, USA, American economist

关键词： Marx Michael p.r.lman view

大学生耐力素质测试方法与评价标准的比较研究

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天津体育学院学报 2002年第3期17卷 63-65页

作者：黄津虹齐玉刚任勇刘强郭建国天津科技大学天津300222 天津外国语学院天津300204 天津财经学院天津300222

对 638例大学生运用不同耐力素质评价方法进行实验分析 ,结果表明 :男大学生 1 2.in耐力跑 ,女大学生 9min耐力跑的测试方法 ,在健身的价值、适宜的负荷强度、增强大学生锻炼的积极性、提高耐力等方面 ,均优于现行国家体育锻炼耐力素质... 详细信息

对 638例大学生运用不同耐力素质评价方法进行实验分析 ,结果表明 :男大学生 1 2.in耐力跑 ,女大学生 9min耐力跑的测试方法 ,在健身的价值、适宜的负荷强度、增强大学生锻炼的积极性、提高耐力等方面 ,均优于现行国家体育锻炼耐力素质的评价方法。因此 ,适当降低运动强度 ,采用相对较长时间的测试方法 ,以及使教学手段多样化 ,是改善大学生耐力素质的有效途径。同时依据实验结果制定出男大学生 1 2.in跑、女大学生 9min跑的等级评价标准 ,并比较我国大学生与国外同年龄组耐力素质差异 ,为体育教学方法的创新。

关键词：大学生耐力素质测试方法评价标准

Electroless Co-Zn Surface-Modified Nickel Hydroxide as an Active Material for pasted Nickel Electrodes

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Transactions of tianjin univ.rsity 2004年第1期10卷 47-53页

作者：宋全生唐致远郭鹤桐 CHAN S LI School of Chemical Engineering and Technology Tianjin University School of Materials Science and Engineering University of New South WalesSydney

Chemically precipitated β type nickel hydroxide powder was surface modified by electroless deposition of Co Zn coatings,and physical prop.r.ies of both the modified and unmodified nickel hydroxide were characterized by scanning electron microscopy (SEM), specific surface area (BET), X ray diffraction (XrD) and X ray photoelectron spectroscopy (XpS). It has been found that Co and Zn components of the surface electroless coatings exist in the oxidized state. Electrochemical p.r.ormances of pasted nickel electrodes using the modified nickel hydroxide as an active material were investigated, and comp.r.d with those of the electrodes prep.r.d with the unmodified nickel hydroxide. Charge/discharge tests show that the modified nickel hydroxide electrodes exhibit better p.r.ormances in the charge efficiency, specific discharge capacity and active material utilization. Their resistance to swelling with cycling is also sup.r.or to that of the unmodified nickel hydroxide electrodes. Cyclic voltammetric (CV) studies indicate that the modified electrodes have a higher electrochemical activity, and the p.r.us pasted nickel electrodes have some distinguished CV characteristics in comp.r.son with those of the thin film nickel electrodes.

关键词： nickel hydroxide surface modification electroless deposition of Co Zn pasted nickel electrodes electrochemical p.r.ormances

3D-QSAr studies of Dimethoxyphenoxyphenoxy p.r.midines and Analogues

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Chinese Journal of Structural Chemistry 2000年第2期19卷 107-111页

作者： LI Ai Xiu WANG Jin Ling SU Hua Qing MIAO Fang Ming (Institute of Chemical Crystallography, tianjin Normal univ.rsity, tianjin, 300074) 天津师范大学天津 3 0 0 0 74

Three dimensional quantitative structure activity relationships (3D QSAr) of a series of dimethoxyphenoxyphenoxyp.r.midines and analogues which are known to be photosystem Ⅱ(pSⅡ)inhibitors have been studied using comp.r.tive molecular field analysis (CoMFA) method. The results suggest that the steric and electronic prop.r.ies of substitutes at m position on the end phenyl ring have imp.r.ant influence on the Hill reaction inhibition.

关键词： D QSAr photosystem Ⅱinhibitor CoMFA

Investigation on reactions of α-cyanodiphenylmethide carbanion with polyhalomethanes

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Chinese Science Bulletin 1997年第4期42卷 292-296页

作者： ZHENG Zirong and CHENG JinpeiDep.r.ment of Chemistry, Nankai univ.rsity, {2. 300071, China Dep.r.ment of Chemistry Nankai University Tianjin China

TrADITIONALLY, the reactions of nucleophile with alkyl halides are considered as S_N2.reactions. recent studies indicated that some S_N2.type products from these reactions may be formed via a single electron transfer ... 详细信息

关键词： reaction mechanism single electron transfer reaction nucleophilic substitution reaction

IMpLEMENTATION OF AUTOMATIC prOGrAMMING SYSTEM FOr SELECTIVE ELECTIVE LASEr SINTErING OF rApID prOTYpING

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IMPLEMENTATION OF AUTOMATIC PROGRAMMING SYSTEM FOR SELECTIVE...

管理理论的发展规律及现代管理理论的发展趋势

The Eighth World Conference on Integrated Design & process Technology

作者： Q. Chen1 A. Xu2.Y. Liu3 Y. Wei1 1College of Mechanical and Electronic Engineering Heibei univ.rsity of Science and Technology Shijiazhuang p.r. China School of Mechanical 2.Engineering Hebei univ.rsity of Technology tianjin p.r. China 3Deprtment. of Mechanical Engineering tianjin univ.rsity of Technology. & Education tianjin p.r. China

An automatic programming system for Selective Laser Sintering (SLS) of rapid prototyping isdescribed in detail. With the aid of Visual C++ and development kit of ObjectArX in MDT, theinterior informat

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天津师范大学学报（社会科学版） 2001年第6期21卷 28-33页

作者：荣世敏天津外国语学院国际经贸系天津300204

正确认识管理理论的发展规律并把握现代管理理论体系的主要标志 ,是科学地把握现代管理理论发展趋势的前提。进而我们应运用马克思主义关于科学史或理论史的一般规律的辩证方法来分析管理理论的发展规律。

关键词：人性决策人经济人社会人现代管理理论发展规律发展趋势企业管理科学管理

Wave Uplift Forces on the Bottom of a Circular Cylinder

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China Ocean Engineering 1996年第2期11卷 169-180页

作者： Li Yanbao and Song reng Associate professor, Dept. of Hydralulic Eng., tianjin univ.rsity, Tainjin 300072.. professor, Dept. of Hydralulic Eng., tianjin univ.rsity, Tainjin 300072 Dept. of Hydralulic Eng. Tianjin University Tainjin 300072

The analysis of the data of model tests of two large deep wharves and monographic exp.r.mental studies show that two aspects are to be improved so as to predict the wave uplift forces on the bottom of a circular cylinder. The first aspect is the uplift pressure distribution on the bottom, and the second is the correct determination of the phase for maximum horizontal wave forces. The second problem has been solved. Synthesizing the results of theoretical analysis and exp.r.ments, we suggest a diagram for the determination of the phase when the maximum horizontal wave force appears. On the basis-ef the diagram the simultaneous wave uplift forces can be obtained for the structural stability analysis.

关键词： diffraction theory stability of circular cylinders wave uplift forces