搜索筛选:
搜索耗时2.5470秒,为你在为你在102,285,761篇论文里面共找到 312 篇相符的论文内容
发布年度:
[学位论文] 作者：Muhammad Zubair Sheikh,
来源：辽宁工程技术大学 年份：2002
近年来日益上涨的石油成本以及日渐突出的环境问题迫使人们急切寻找更加节能高效的交通运输方式。本论文通过数值分析的方法,提出了一种表面减阻的新方法。通过表面优化,设计...
[期刊论文] 作者：Sayed M. Elshazly,
来源：大气科学进展：英文版 年份：1996
Data on instantaneous atmospheric Linke turbidity factor TL (m) are reported for clear days at Qena/Egypt in the period from June 1992 to May 1993.TL(m) is dete...
[学位论文] 作者：M M SAYED AL MAHMUD,
来源：哈尔滨工程大学 年份：2002
伴随着世界性的能源危机，如何合理开发和利用可再生能源已成为世界各国共同关注的问题。由分布式电源和本地负荷共同组成的微电网可实现可再生能源的就地消纳。微电网作为智能......
[期刊论文] 作者：Sayed R.Hashimi,刘冬初,,
来源：铁路航测 年份：1986
在这个计算机几乎深入到日常生活的每一步的高度发达的科技时代,受到特别重视的是使效果达到最好的技术。根据这个原理,本文讨论了不使用星历表或天文年历,观测北极星或其它恒星和太阳简化求方位角的方法。除了实际观测数据以外,只需要测站的纬度和经度,观测日......
[期刊论文] 作者：Du Bin,
来源：中医杂志：英文版 年份：2001
Liver fibrosis is a gradual process of increased secretion and decreased degradation of extracellular materials (ECM). Most author hold that the process is init...
New Progress in High-Precision and High-Resolution Seismic Exploration Technique in Coal Industry of
[期刊论文] 作者：Ni Bin,
来源：地质学报：英文版 年份：2000
In the past twenty years, the proportion of coal in primary-energy consumption in China is generally between 71.3% and 76.5%. The output of coal was 1.374 billi...
[期刊论文] 作者：Bin YU,
来源：国际泥沙研究：英文版 年份：2001
The paper presents experimental study of debris flows. The equilibrium concentration of solid particle in the flow is a function of the energy slope, density of...
[期刊论文] 作者：Bin Song,
来源：材料科学与工程学报 年份：2000
［1］Fischer D W and, Baun L, J. Appl. Phys., 39,4757(1968).［2］Gubanov V A, Ivanovskii, A L Shveikin G P and Weber J, Solid State Commun., 29, 743(1979).［3］Adachi H, Ts...
[期刊论文] 作者：Bin GUO,
来源：材料科学技术：英文版 年份：2001
A flexible special device for viscous pressure forming is designed and implemented. By using three proportional electro-hydraulic relief valves connected to a c...
[期刊论文] 作者：Cheng Bin,
来源：中医杂志：英文版 年份：2001
Clinically, there is a higher incidence of protrusion of the lumbar intervertebral disc. It can cause a terrible pain. The author has treated 66 cases by massot...
[期刊论文] 作者：Wang Bin,
来源：西安交通大学学报：英文版 年份：2001
Objective To explore the relationship between HLA sensitization and crossmatch and to assess its clinical value. Methods The subjects were divided into 3 groups...
[期刊论文] 作者：王ｂｉｎ,
来源：科技与企业 年份：2002
在工农业生产中，常常需要对颗粒状物料筛分。筛分，就是将固体物料按照粒极大小进行分离。筛分在工农业生产中特别是在基础工业，如矿山、冶炼工业生产中是不可缺少的工艺过程。筛......
Synthesis of New Aza-crown Ethers Containing Pyridine Ring and their Liquid Membrane Transport of Al
[期刊论文] 作者：Bin ZHAO,
来源：中国化学快报：英文版 年份：2001
Five new aza-crown ethers have been prepared by the condensation of 2,6-bis[(2-formylphenyl)oxymethyl] pyridine with different diamino compounds in hot methanol...
Effects of cultivation on N20 emission and seasonal quantitative variations of related microbes in a
[期刊论文] 作者：HUANG Bin,
来源：环境科学学报：英文版 年份：2001
Laboratory and in situ experiments were done to investigate the influences of cultivation on temperate semi-arid grassland (for 17years spring wheat planted onc...
[期刊论文] 作者：SHU Bin,
来源：中国组织工程研究与临床康复 年份：2001
Objective To explore He- Ne laser inducing apoptosis of cultured fibroblasts in hypertrophic scars(HS).Methods Cultured fibroblasts in HS were irradiated with H...
[期刊论文] 作者：SHU Bin,
来源：中国组织工程研究与临床康复 年份：2001
Method We used biomechanical methods in controlling strain of anterior tibial muscles of rabbits .Objective To observe the histological and enzymohistochemical...
[期刊论文] 作者：HUANG Bin,
来源：税务与经济 年份：2001
...
[期刊论文] 作者：Chen Bin,
来源：中国油气：英文版 年份：2001
The year of 2000 saw the nation's chemical industry achieving a total of 49.317 billion worth of import and export, an increase of 25% over the previous yea...
[期刊论文] 作者：Bin Zhu,
来源：代数集刊（英文版） 年份：2001
Let (F, G) be an adjoint pair from a category 4 to a category B. The contravariantly finiteness of subcategories is proved to be preserved by F, and the covaria...
[期刊论文] 作者：ZHAO Bin,
来源：中国科学：数学英文版 年份：2001
The problem as to whether the sub-T0 separation and complete regularity are invariant under homeomorphism is answered negatively.And,the problem of multiplicati...
相关搜索：
