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[期刊论文] 作者：ZHENG Xianshu,Jin Junze,LI Zhi,
来源：自然科学进展 年份：2004
Based on the numerical simulation of solidification of castings, a thermal stress formula and a thermal crack initiation criterion are proposed. Using these for...
[期刊论文] 作者：WANG Ning,ZHENG Zhi,JIN Hui-yi,
来源：中华医学杂志（英文版） 年份：2004
Background Diabetic retinopathy (DR) is one of the most common complications of diabetes.Angiotensin-converting enzyme inhibitor is thought to play an important...
[期刊论文] 作者：Qing ZHENG,Zhi Feng HUANG,Xiao,
来源：中国化学快报（英文版） 年份：2004
A new product PEGylated rhaFGF was obtained by site-directed chemical modification.When compared with unmodified rhaFGF, PEGylated rhaFGF showed comparable bioa...
[期刊论文] 作者：ZHENG Zhi,JIANG Yao,DONG Hong-,
来源：中国有色金属学报（英文版） 年份：2004
Porous TiAl intermetallic compound, as a novel substitute for current inorganic porous material, offsets the shortages of both ceramics and metals. The environm...
[期刊论文] 作者：FANG Wen,ZHENG Guoguang,HU Zhi,
来源：气象学报（英文版） 年份：2004
Theoretical and experimental studies show that during hail growth the heat and mass transfers play a determinant role in growth rates and different structures....
[期刊论文] 作者：Hui Zheng Fu,Jing Zhi Yang,Chu,
来源：中国化学快报（英文版） 年份：2004
A new benzophenone glycoside, 2,6-dihydroxy-4-O-β-D-glucopyranosylbenzophenone (1), was isolated from the leaves of guajava L. Its structure was elucidated by...
[期刊论文] 作者：Jian Lei KANG,Zhi Bing ZHENG,D,
来源：中国化学快报（英文版） 年份：2004
A new series of compounds, 2-(benzodioxol-2-yl)acetic acids, have been synthesized. Their structures were confirmed by MS and 1H-NMR. The preliminary pharmacolo...
[期刊论文] 作者：Zhi Yong WANG,Zheng Gen ZHA,Ji,
来源：中国化学快报 年份：2004
In the case of Pd(PPh3)4 as catalyst and toluene as reaction solvent, the desired biaryls and polyaryls were synthesized in excellent yicld and on a large scale...
[期刊论文] 作者：Zhi Ming BI,Zheng Tao WANG,Luo,
来源：中国化学快报 年份：2004
A new triterpene, 25-methylenecyclopholidonyl p-hydroxy-trans-cinnamate, was isolated from a orchid Pholidota yunnanensis. The structure elucidation and 1H, 13C...
[期刊论文] 作者：Zhi Ming BI,Li YANG,Zheng Tao,
来源：中国化学快报 年份：2004
A new bibenzyl derivative, 3,4-dihydroxy-4(,5-dimethoxy bibenzyl, was isolated from a orchid Dendrobium moniliforme. The structure elucidation and 1H,13C NMR as...
[期刊论文] 作者：Xin Ming Zhou,Zhi Bing Zheng,H,
来源：中国化学快报（英文版） 年份：2004
A new series of compounds, 1-aryl-3-(3,4-dihydro-2H-chromen-5-yl) ureas, have been synthesized and their structures were confirmed by FAB-MS and 1H NMR. The pre...
[期刊论文] 作者：Ji Dong HU,Zhi Min ZHENG,Li Hu,
来源：中国化学快报（英文版） 年份：2004
A new kind of conjugated polymer, acetylenic polysilazane was prepared by ammono-lysis of acetylenic dimethylchlorosilane. The polymer was characterized by 29Si...
[会议论文] 作者：Zhi Zhang,,
来源： 年份：2004
慢性痛的病人中有高达52%的人群患有抑郁症,目前发病机制不清楚,也没有标准诊疗药物和方案。中央杏仁核（CeA）是调节情感和记忆功能的关键节点和路径,可能参与了疼痛伴抑郁的形...
[期刊论文] 作者：CHEN Zhi,
来源：核工业西南物理研究院年报：英文版 年份：2004
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[期刊论文] 作者：ZHI Min,
来源：核技术（英文版） 年份：2004
Filtering efficiency of the Chinese-made filter 1 hasbeen measured by the double-filter method with only one set of measurementequipment. The β counts of the t...
[期刊论文] 作者：ZHANG Zhi,
来源：有色金属加工 年份：2004
结合本公司用电解铝液直接铸轧带坯的生产特点,自行开发了一种装饰铝箔用铝合金;通过多次试验,确定了装饰铝箔的最佳生产流程和工艺参数;生产出了可满足用户要求的高质量装饰...
[期刊论文] 作者：Zhi Yanbin,
来源：上海金属 年份：2004
通过细化晶粒,既能提高钢材的强度,又能改善塑性与韧性,从而达到改善钢材质量,降低生产成本的目的.安钢根据其高速线材轧机工艺设备现状,以20MnSi钢为研究对象,通过调整化学...
[期刊论文] 作者：ZHI Xiachen,
来源：科学通报（英文版） 年份：2004
The determination of the formation age of subcontinental Lithosphere Mantle (SCLM) is a widely concerned issue in mantle geochemistry. It is difficult to obtain...
[期刊论文] 作者：Zhi Tingjin,
来源：当代青年研究 年份：2004
心理学的相关理论中蕴涵着丰富的关于思维教学的假设与探索.行为主义心理学认为学习是刺激和反应之间的联结,思维并不发生作用;格式塔学派的顿悟说把人类的学习从"尝试错误"...
[期刊论文] 作者：Wang Zhi,
来源：应用地球物理（英文版） 年份：2004
A new inversion scheme is presented to obtain three-dimensional images of P-wave velocity (Vp) and P-S-wave velocity ratio (Vp/Vs) using P- and S-phase pairs, i...
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