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[期刊论文] 作者:XU Peng-xian, 来源:石油化工设备 年份:2004
应用有限元分析软件ANSYS对高压聚乙烯生产管线的剧烈振动进行分析,通过对3条管线建模并进行模态计算,得到了该管线的各阶固有频率和相应的主振型,找出了管线振动的原因,据此...
[期刊论文] 作者:Xu Huoju, 来源:中国标准化(英文版) 年份:2004
In China, the technical information currently available both domestically and abroad has been reviewed in an attempt to integrate the technique of ultraviolet a...
[期刊论文] 作者:Xu Jun-feng, 来源:针灸推拿医学(英文版) 年份:2004
[期刊论文] 作者:XU Shiyi, 来源:计算机科学技术学报(英文版) 年份:2004
With the rapid development and wideapplications of computing systems on which more reliance has been put, adependable system will be much more important than ev...
[期刊论文] 作者:Xu Wen, 来源:半导体学报 年份:2004
A systematic theoretical approach is developed to study the electronic and transport properties of a twodimensional electron gas (2DEG) in the presence of spin-...
[期刊论文] 作者:XU Yao-ting, 来源:农业图书情报学刊 年份:2004
分析总结了海门市现阶段农民素质与农村劳动力转移基本现状及存在问题,提出了今后一段时间开展农民培训提高农民参训率的对策措施....
[期刊论文] 作者:XU Jing, 来源:粮食加工 年份:2004
论述了我国玉米加工业的发展现状和存在的主要问题,包括玉米深加工产能扩张过快、企业多为粗放加工、以及不搞循环经济和专用玉米生产基地不足.由于国际市场供需将持续偏紧,...
[期刊论文] 作者:XU Shiyi, 来源:清华大学学报(英文版) 年份:2004
Although mutation testing is one of the practical ways of enhancing test effectiveness in software testing, it could be sometimes infeasible in practical work f...
[期刊论文] 作者:XU Chu-liang, 来源:医学临床研究 年份:2004
[目的]评价口服单剂量抗生素在经直肠前列腺穿刺活检术中预防感染的临床效果.[方法]192例接收经直肠超声引导13点前列腺系统穿刺活检术患者,随机分为3组.A组62例,口服安慰剂(...
[期刊论文] 作者:XU Xing, 来源:国际麻醉学与复苏杂志 年份:2004
术后脑梗塞并非罕见,一旦发生患者的预后严重恶化,还易引起医患纠纷.但重要的是至今我们对此没有规范的防治方法.此文回答了常见的有关问题:术后脑梗塞的危险因素、发病率、...
[期刊论文] 作者:XU Lejiang, 来源:宝钢技术研究(英文版) 年份:2004
Over the past 10 years, Chinas steel industry has made a substantial development in terms of scale, and has finally become a steel giant in the world. In the up...
[期刊论文] 作者:Xu Xiujun, 来源:BUSINESS 年份:2004
On March 22, Donald Trump signed a memorandum, invoking Section 301 of the 1974 Trade Act, announcing U.S. plans to impose tariffs on $60 billion of Chinese imp...
[期刊论文] 作者:XU Shi-yi, 来源:东华大学学报(英文版) 年份:2004
Parity testing is one of the compact testing techniques,which, traditionally, relies on applying all 2n input combinations to an n-input combinational circuit w...
[期刊论文] 作者:XU Jin-xiang, 来源:北京理工大学学报 年份:2004
The system composition, the operational principle of terminal correction mortar projectiles (TCMP) and the concept planning design of TCMP are researched in thi...
[期刊论文] 作者:XU Hui-rong, 来源:苏州市职业大学学报 年份:2004
太湖的生态位决定了它是环太湖城市的生命源.发展生态旅游业,从社会经济和环境效益来看,都是环太湖城市产业发展的有利选择.发展环太湖生态旅游,优势在于环太湖城市生态位好,...
[期刊论文] 作者:XU Fei-bing, 来源:微处理机 年份:2004
针对当前网格中间件中信息服务系统的差异性和不可互操作性,提出了一种基于插件和虚拟层的网格信息服务互操作策略.该策略可以屏蔽底层网格中间件信息服务部件的异构性,为终...
[期刊论文] 作者:XU Li-qing, 来源:中国邮电高校学报(英文版) 年份:2004
also presented....
[期刊论文] 作者:XU Qing-shan, 来源:哈尔滨工业大学学报(英文版) 年份:2004
With proper phase module transformation, parallel lines can be decomposed to the same directional net and the reverse directional net. The propagation character...
[期刊论文] 作者:Xu Cunjin, 来源:稀土学报(英文版) 年份:2004
A ternary Sm(Ⅲ) complex with salicylate (sal-) and o-phenanthroline (phen) was synthesized and incorporated in silica matrix by sol-gel method. The luminescenc...
[期刊论文] 作者:XU Yigang, 来源:科学通报(英文版) 年份:2004
Leaching experiment has been carried out on mantle xenoliths with different petrographic features in order to directly characterize the nature of intergranular...
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