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[期刊论文] 作者:P.哈钦斯, 吴宝铃,,
来源:海洋科学 年份:2004
澳大利亚从事海洋生物研究的单位很多。下面我们仅扼要介绍一下其主要研究机构、经费来源及研究概况。 一、海洋生物的主要研究机构、 澳大利亚共有19所大学,主要分布在...
[期刊论文] 作者:约翰·P.安纳森, 杜红艳,,
来源:学术交流 年份:2004
马克思主义的批判家们在评价马克思主义时存在着不同观点,东欧新马克思主义属于马克思主义内部的反对派,他们从自身所处的社会秩序出发对马克思主义进行了评价和阐释。东欧新...
[期刊论文] 作者:P. Kaegi M. Bachmann A. Co,
来源:现代隧道技术 年份:2004
Kunming is the political and economical centre of the Yunnan Province in the south -west of China and one of the most beautiful historical and cultural cities i...
[期刊论文] 作者:P. Fern,
来源:热处理 年份:2004
奥氏体不锈钢通过等离子氮碳共渗可显著提高其表面硬度,从而提高耐磨性而又不损害其抗腐蚀性能.本文采用光学显微镜、显微硬度和微磨损试验对经于450℃等离子氮碳共渗的AISI...
[期刊论文] 作者:George F Vander Voort,Elena P. Manilova,
来源:材料热处理学报 年份:2004
Examination of selectively etched tool steel microstructures by light microscopy provides more information than standard etchants, such as nital, picral or Vile...
Influence of Heat Treatment on the Bond Coat Cyclic Oxidation Behaviour in an Air-plasma-sprayed The
[期刊论文] 作者:Marple,P.,
来源:材料热处理学报 年份:2004
It is generally believed that a thermally grown oxide (TGO) layer of alumina provides enhanced protection to the metallic bond coat in thermal barrier coating (...
[期刊论文] 作者:Davidson,P. Taylor,
来源:中国有色金属学报 年份:2004
设计了一种基于电流变液的触觉显示器,并对该触觉显示器的触摸敏感性进行了研究.该显示器具有5×5个显示单元,其表面是一层导电弹性薄膜,作为电极为电流变液提供电场.对该触...
[期刊论文] 作者:Eichhorn,P. M.,
来源:仿生工程学报(英文版) 年份:2004
The mechanical behaviour of trabecular bone is dependent on both the properties of individual trabeculae as well as their three-dimensional arrangement in space...
[期刊论文] 作者:P.约翰内松,车有宜,
来源:水利水电快报 年份:2004
以最近修建的两座大型混凝土面板堆石坝(冰岛的卡兰尤卡尔坝和莱索托的莫哈莱坝)为例,对坝体分区、级配、渗透性等进行了讨论,并将室内试验、现场压实试验和平板加载试验所得...
[期刊论文] 作者:P. Zou,W.B. Zhang,T. Lei,J.K.,
来源:金属学报(英文版) 年份:2004
A high temperature-tolerating thermoacidophilic archae (TA) was isolated from water samples collected from a hot sulfur-containing spring in the Yunnan Province...
[期刊论文] 作者:Manolis,P. S. Dineva,T.V,
来源:黑龙江科技学院学报 年份:2004
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:P. H. Tan,D. Bougeard,G. Abstr,
来源:光散射学报 年份:2004
Self-assembled Si/Ge quantum dot (QD) structures have been intensivelystudied in the last years for potential applications in Si based integrated optoelectronic...
[期刊论文] 作者:Yadav,P. K. Patel,,
来源:林业研究(英文版) 年份:2004
The influence of seasonal variation,indole-3-butyric acid (IBA) and type of cuttings wasexamined on induction and growth of adventitious roots in Bambusa nutans...
[期刊论文] 作者:Jia Du,Cathy P. Foley,Keith L.,
来源:中国电子科技 年份:2004
CSIRO has had a long-term research effort in superconductivity, in particular, since the discovery of HTS which promised big prospects. Significant progress has...
A History of Fischer-Tropsch Wax Upgrading at BP--from Catalyst Screening Studies to Full Scale Demo
[期刊论文] 作者:John P. Collins,Joep J. H. M.,
来源:天然气化学(英文版) 年份:2004
Conversion of Fischer-Tropsch wax into high quality synthetic crude or finished transportation fuels such as premium diesel has been studied over the past 15 ye...
[期刊论文] 作者:P. Wake,
来源:科学通报(英文版) 年份:2004
An ice core record at Mt. Qomolangma (Everest) since 1954 reveals a sharp decline in net-accumulation in the 1960s, and the annual net-accumulation during the 1...
[期刊论文] 作者:Gong,P. Shum,D.Y. Tang,T.,
来源:光学学报 年份:2004
Asymmetrical bound solitons train with pulsewidth of 103fs and separation of 585.5fs without any CW components are observed from Figure-8 passive mode locked fi...
Development and Electrochemical Studies of Ruthenium Based Mixed Oxide Catalyst Electrodes for Chlor
[期刊论文] 作者:P. G. Farr,
来源:高等学校化学研究(英文版) 年份:2004
Experimental results are presented which allow comparison of the electrochemical performance of RuO2/Ti, Ru0.3Sn0.7O2/Ti and Ru0.3V0.7O2/Ti catalysts prepared o...
[期刊论文] 作者:Bolzon,P. Bambade,G,
来源:中国物理C(英文版) 年份:2004
The ATF2 project is the final focus system prototype for the ILC and CLIC linear collider projects, with a purpose of reaching a 37 nm vertical beam size at the...
[期刊论文] 作者:OVIDIO,P. P,
来源:动物学报 年份:2004
对反交试验获得的18个月的拟鲤、粗鳞鳊和欧鳊F1代进行了鉴定.对不同于拟鲤、粗鳞鳊和欧鳊三种鱼的可量和可数形态特征分析表明,拟鲤×欧鳊和拟鲤×粗鳞鳊杂交种比粗鳞鳊×欧...
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