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[期刊论文] 作者:WU Yan-jun,ZHANG Miao,ZHANG Ning-lin,LIN Cheng-lu, 来源:核技术(英文版) 年份:2003
Al precipitates as well as cavities (or open-volume detects) are known for their ability to getter impuri-ties within Si. In order to compare their relative get...
[期刊论文] 作者:Jian-Kun Hu,Zong-Guang Zhou,Zhi-Xin Chen,Lan-Lan Wang,Yong-Yang Yu,Jin Liu,Bo Zhang,Li Li,Ye Shu,Jia-Ping, 来源:城市道桥与防洪 年份:2003
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:张树清,汪爱华,ZHANG Junyan,ZHANG Bai, 来源:地理学报(英文版) 年份:2003
Using the methods of combining landscape ecology with GIS spatial analysis, this paperanalyses the dynamics of the marsh landscape structure of the Sanjiang Pla...
[期刊论文] 作者:ZHANG Gencheng,LIUFuqiang,Fei Zhenghao,LI Aimin,ZHANG Quanxing, 来源:黑龙江科技信息 年份:2003
本文通过对荣华二采区10...
[期刊论文] 作者:YANG Jian-Hua,ZHANG Ya-Zhou,ZHANG Jian-De,SHU-Ting,LI Chuan-Lu, 来源:中国物理快报(英文版) 年份:2003
A new type of high power microwave source operated at Jow magnetic Geld is proposed and studied by the particle-in-cell (PIC) method. An oversized uniform backw...
[期刊论文] 作者:Xiu-Lan Zhang,Bing Zhang,Xing ZHANG,Zhi-Feng Chen,Jun-Zhen Zhang,Shuo-Yuang Liang,Fan-Shu Men,Shu-Liang, 来源:城市道桥与防洪 年份:2003
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Han-Lei Dan,Yang Bai,Hui Meng,Cong-Lin Song,Jie Zhang,Yong Zhang,Lei-Chi Wan,Ya-Li Zhang,Zhen-Shu Zhang, 来源:世界胃肠病学杂志(英文版) 年份:2003
AIM: To reduce the incidence of postoperative anastomoticleak, stenosis, gastroesophageal reflux (GER) for patientswith esophageal carcinoma, and to evaluate th...
[期刊论文] 作者:Xumei Zhang Dan Bin, 来源:中国经济评论:英文版 年份:2003
[期刊论文] 作者:Lihua Gu,Mingyu Zhang, 来源:中国经济评论:英文版 年份:2003
[期刊论文] 作者:Hong Zhang,潘振华, 来源:中国生物工程杂志 年份:2003
Fas(CD95)是肿瘤坏死因子受体(TNFR)家族成员.在肝脏中,Fas激活的凋亡信号可能对调节肝细胞动态平衡起作用.但在很多炎症情况下,肝脏Fas的表达水平增高.在多种临床肝病发展过...
[期刊论文] 作者:Zhang Zhenke, Fang Daining, 来源:固体力学学报:英文版 年份:2003
Considering the influence of the domain switching near the tip of a crack and apply-ing the idea of multiscale singularity fields in piezoelectric fracture,we h...
[期刊论文] 作者:GAO Jin-Ming ZHANG Zeng-Qiang, 来源:有机化学 年份:2003
The ceramides, cleavage products of various sphingolipids, including gangliosides and cerebrosides, are in volved in various signal transduction pathways. Many...
[期刊论文] 作者:SHI Changyi ZHANG Jinhua, 来源:地质学报:英文版 年份:2003
Regional stream sediment surveys at a 1:200,000 scale reveal positive and negative regional multi-element geochemical anomalies over medium to large copper-poly...
[期刊论文] 作者:ZHANG Ruiquan FENG Shaosong, 来源:声学技术 年份:2003
In order to develop the nonlinear echo image system to diagnose pathological changes in biological tissue , a simple physical model to analyse the character of...
[期刊论文] 作者:CaoYun ZhaoHongwei MaLei Zhang, 来源:近代物理研究所和兰州重离子加速器实验室年报:英文版 年份:2003
High quality ion beams are required by IMP cyclotron and atomic physics research, so it is important to research and measure beam emitt ance of ECR ion source....
[期刊论文] 作者:Lijuan WANG Chunli ZHANG, 来源:材料科学技术:英文版 年份:2003
In order to master mechanical property, surface quality and microstructure of constraint cooling (CC) coils undervarious water cooling parameters, more than 100...
[期刊论文] 作者:ZHANG Zhi-min, SHEN Yu-di, 来源:国际设备工程与管理:英文版 年份:2003
A Bayesian Network is a reasoning tool based on probability theory and has many advantages that other reasoning tools do not have. This paper discusses the basi...
[期刊论文] 作者:ZHANG,HANJie,WANGYan-mei,DONGC, 来源:高等学校化学研究:英文版 年份:2003
IntroductionChiral ferrocene and their derivatives have attracted much attention of some researchers working in the fields of asymmetric synthesis and nonlinear...
[期刊论文] 作者:FAN Xue-Sen ZHANG Xin-Ying, 来源:有机化学 年份:2003
Quinolines and their derivatives occur in numerous natural products. Many quinolines display interesting physi ological activities and have found attractive app...
[期刊论文] 作者:WANG Yu-Lu ZHANG Chang-Rui, 来源:有机化学 年份:2003
The application of microwave techniques for chemical synthesis has attracted considerable interest in recent years because of their enhanced selectivity, reduce...
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