搜索筛选:
搜索耗时4.2867秒,为你在为你在102,285,761篇论文里面共找到 1,000 篇相符的论文内容
发布年度:
[期刊论文] 作者:J. Wilden,S. Jahn,S. Reich,
来源:热喷涂技术 年份:2004
垃圾焚烧厂工件表面通常暴露在含HCl/KCl的高温气氛中,这些高腐蚀性高温气氛是造成焚烧厂高额维护费用的主要原因.使用热喷涂技术对部件表面进行涂层防护可明显提高传统钢材...
[期刊论文] 作者:S. J. Alandkar,Y. S. Pawa,
来源:模糊系统与数学 年份:2004
In this paper, introducing the concept of fuzzy k-ideals and anti-fuzzy k-ideals of Γ-hemi-rings,we discuss and investigate some of its properties....
[期刊论文] 作者:J. Wilden,S. Jahn,
来源:热喷涂技术 年份:2004
在铝行业中,因铝熔体强烈的腐蚀性以及铸造过程中存在的热交换和高机械负荷,降低了铸造模具的寿命.使用烧结镶嵌的高钨伪合金可将铸造模具寿命延长1000倍.而由涂层代替烧结镶...
[期刊论文] 作者:S. Beyer,J. Weinhold,
来源:国际纺织导报 年份:2004
为了能使用少量的线性低密度聚乙烯、高密度聚乙烯和聚丙烯纱线高效地制造人造草皮,位于德国Chemnitz的Oerlikon Barmag公司发明了一种紧凑型生产线,其可提供180kg/h的产能,为普...
[期刊论文] 作者:S. K. UPADHYAY,J. S. SINGH,D.,
来源:土壤圈(意译名) 年份:2004
Salt-tolerant plant growth-promoting rhizobacteria(PGPR)can play an important role in alleviating soil salinity stress during plant growth and bacterlal exopoly...
[期刊论文] 作者:Michael Burke,
来源:电信网技术 年份:2004
谈及下一代网络,业界讨论的重点很自然地会集中在对多媒体业务的支持能力方面。3GPP为了丰富3G的业务种类并增加对最终用户的吸引力,在R5版本中提出了基于IP的多媒体业务子系统......
[期刊论文] 作者:G.Brian Burke,
来源:中国图书馆学报 年份:2004
20世纪90年代中期以后,随着电子政府服务的发展,美国联邦政府一些跨机构工作小组开始致力于政府信息定位服务(GILS)的相关调查研究,并在大量合作项目的基础上构建起联邦政府...
Giant aneurysm at the junction of the internal carotid and persistent primitive trigeminal artery (P
[期刊论文] 作者:Jiarakongmun,S. Pongpech,J.,
来源:介入放射学杂志 年份:2004
...
Chemical reaction effects on unsteady MHD flow past semi-infinite vertical porous plate with viscous
[期刊论文] 作者:J. A. RAO,S. SHIVAIAH,
来源:应用数学和力学(英文版) 年份:2004
The chemical reaction effect on an unsteady magnetohydrodynamic (MHD) flow past a semi-infinite vertical porous plate with viscous dissipation is analyzed.The g...
Association Mapping, QTL Mapping and Positional Cloning in Maize: Applications in Molecular Breeding
[期刊论文] 作者:Li,S. Luck,A. Rafalski,S. T,
来源:分子植物育种 年份:2004
Natural variation is at the core of plant breeding. Genetic or linkage mapping is the traditional method for identifying loci/genes responsible for variati on i...
[期刊论文] 作者:Berling,J. -B. Rey,S. -J. O,
来源:中国病毒学 年份:2004
The Cydia pomonella granulovirus (CpGV) has been used for many years as biological agent for codling moth control in apple orchards. Resistance to the Mexican s...
Experimental determination of grain density function of AZ91/SiC composite with different mass fract
[期刊论文] 作者:J. Lelito,P Zak,J. S. Suchy,W.,
来源:中国铸造 年份:2004
The grain density,N,in the solid state after solidification of AZ91/SiC composite is a function of maximum undercooling, OT, of a liquid alloy. This type of fun...
Effect of coating material and lubricant on forming force and surface defects in wire drawing proces
[期刊论文] 作者:S. M. BYON,S. J. LEE,D. W. LEE,
来源:中国有色金属学报(英文版) 年份:2004
A pilot wire drawing machine as well as wire end-pointing roller was developed. Using these machines, a wire drawing test for four different coating materials a...
[期刊论文] 作者:Chaudhari S., Park J., Anand B,
来源:世界核心医学期刊文摘(胃肠病学分册) 年份:2004
...
[期刊论文] 作者:S. J. Furniss, 李庆锁,,
来源:国外畜牧学(猪与禽) 年份:2004
回 回 产卜爹仇贱回——回 日E回。”。回祖 一回“。回干 肉果幻中 N_。NH lP7-ewwe--一”$ MN。W;- __._——————》 砧叫]们羽 制作:陈恬’#陈川个美食Back to yield...
[期刊论文] 作者:S. J. Furniss, 李庆锁,,
来源:国外兽医学.畜禽疾病 年份:2004
回 回 产卜爹仇贱回——回 日E回。”。回祖 一回“。回干 肉果幻中 N_。NH lP7-ewwe--一”$ MN。W;- __._——————》 砧叫]们羽 制作:陈恬’#陈川个美食Back to yield...
[期刊论文] 作者:Lysy J., Israeli E., Levy S.,,
来源:世界核心医学期刊文摘(胃肠病学分册) 年份:2004
...
The Friction and Wear Properties of CrN, Graphit-iC and Dymon-iC Coatings in Air and under Oil-lubri
[期刊论文] 作者:J. Stallard,S. Yang,D.G. Teer,
来源:材料热处理学报 年份:2004
Hard ceramic coatings such as TiN and CrN are very successful and are widely used in improving the performance of cutting and forming tools, but they are less s...
Variations in total organic carbon and grain size distribution in ephemeral river sediments in weste
[期刊论文] 作者:J. DINAKARAN,N. S. R. K.RISHNA,
来源:国际泥沙研究(英文版) 年份:2004
Total organic carbon (TOC) and grain size distribution (sand,silt,and clay) in the ephemeral Mahi River (western India) sediments were measured to look at their...
[期刊论文] 作者:John J. WIENS,Daniel S. MOEN,
来源:植物分类学报 年份:2004
The effect of missing data on phylogenetic methods is a potentially important issue in our attempts to reconstruct the Tree of Life. If missing data are truly p...
相关搜索: