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[期刊论文] 作者：YU Jin-jiang,SUN Xiao-feng,ZHA,
来源：中国有色金属学会会刊（英文版） 年份：2004
The effects of carbon on the microstructure and mechanical properties of DD99 single crystal superalloy were investigated. The results show that stress rupture...
Preparation of poly(propylene carbonate)/organophilic rectorite nanocomposites via direct melt inter
[期刊论文] 作者：WAN Chun-jie,YU Jian-ying,SHI,
来源：中国有色金属学会会刊（英文版） 年份：2004
The completely degradable nanocomposites comprised of poly(propylene carbonate)(PPC) and organo-modified rectorite (OREC) were prepared by direct melt intercala...
Variation of fluxes of water vapor, sensible heat and carbon dioxide above winter wheat and maize ca
[期刊论文] 作者：Zhang Yongqiang,SHEN Yanjun,YU,
来源：地理学报 年份：2004
Surface energy fluxes were measured using Bowen-Ratio Energy Balance technique (BREB) and eddy correlation system at Luancheng of Hebei Province, on the North C...
Re-Os and Nd isotopes of black shales at the bottom of the Lower Cambrian from the northern Tarim Pl
[期刊论文] 作者：Yu Bingsong,Dong Hailiang,E.Wi,
来源：中国科学D辑（英文版） 年份：2004
This paper reports Re-Os and Nd isotopes of black shales at the bottom of Lower Cambrian from the northern Tarim Basin and traces source materials of the black...
Responses of plant diversity and species composition to the cessation of fertilization in a sandy gr
[期刊论文] 作者：Sheng-nan Shi,Zhan-yuan Yu,Qio,
来源：林业研究（英文版） 年份：2004
Nitrogen was the main limiting nutrient of net primary pro-duction in the southeastern Keerqin Sandy Lands, Northeast China. Spe-cies richness declined and biom...
[期刊论文] 作者：ZHENG Xiangdong,DING Guoan,YU,
来源：中国科学D辑（英文版） 年份：2004
Surface ozone (O3) and vertical O3 distribution in the planetary boundary layer (PBL) at the Ming Tombs (40°17′15″N, 116°12′51″E), Beijing during Septembe...
Characteristics of Rare Earth and Trace Element Patterns in Bedded Cherts from the Bottom of the Low
[期刊论文] 作者：Yu Bingsong,Dong Hailiang,Chen,
来源：地质学报（英文版） 年份：2004
The sedimentary sequence of the Lower Cambrian is a key interval to reveal the early evolution history of the Earth and there occur widespread cherts worldwide....
[期刊论文] 作者：王慧谟,ZHANG Yu,
来源：系统仿真学报 年份：2004
态势数据是实现联合作战仿真态势显示的基础.基于对态势数据时空特征的分析,认为态势数据本质上是一种时空数据,态势数据模型是对态势数据的属性和时空特征及其存储组织方法...
[期刊论文] 作者：Danzhu Yu,Xiongliang Yao,Shaos,
来源：船舶与海洋工程学报 年份：2004
Experiments involving a sonar platform with a sound absorption wedge were carried out for the purpose of obtaining the low frequency acoustic characteristics.Ac...
[期刊论文] 作者：Xiao-wei Yu,Jian-ping Wang,Wei,
来源：中国病毒学 年份：2004
White spot syndrome virus(WSSV), Taura syndrome virus(TSV)and Infectious hypodermal and haematopoietic necrosis virus(IHHNV)are three shrimp viruses responsible...
Levels of Germinable Seed in Topsoil and Yak Dung on an Alpine Meadow on the North-East Qinghai-Tibe
[期刊论文] 作者：YU Xiao-jun,XU Chang-lin,WANG,
来源：农业科学学报（英文版） 年份：2004
In order to clarify the interactive mechanism between grazing yak and alpine meadow on the Qinghai-Tibetan Plateau, our study assessed seed density (by species)...
[期刊论文] 作者：沈继红,Yu Junhong,
来源：高技术通讯 年份：2004
Response surface methodology (RSM) is used to optimize the medium of Tetraselmis sp.-1 which is cell fused microalgae capable of growing under mixotrophic condi...
Three-step modernization of the ocean:Modeling of carbon cycles and the revolution of ecological sys
[期刊论文] 作者：Miyuki Tahata,Yusuke Sawaki,Yu,
来源：地学前缘（英文版） 年份：2004
Important ecological changes of the Earth (oxidization of the atmosphere and the ocean) increase in nutrient supply due to the break-up of the super continent (...
[期刊论文] 作者：Yulong XIAO,Chuanyuan YU,Jiang,
来源：农业科学与技术：英文版 年份：2004
[Objective] This study aimed to identify possible quantitative trait loci （QTL） for vegetative drought tolerance traits of rice （Oryza sativa L.）. [Method] A total...
[期刊论文] 作者：Ling-ling WANG,Zhen-zhen YU,Hu,
来源：水科学与水工程 年份：2004
With the impoundment of the Three Gorges Reservoir, algal blooms have been found in some tributaries. In this study, according to the theoretical analysis of th...
Reference benchmarks relating to great groups of genetic soil classification of China with soil taxo
[期刊论文] 作者：SHI Xuezheng,Yu Dongsheng,SUN,
来源：科学通报 年份：2004
Soil classification forms the basis for the exchange and extension of research findings in soil science and for the modernization of management of soil resource...
Modification performance on 4032 Al alloy by using Al-10Sr master alloys manufactured from different
[期刊论文] 作者：Chengwei Liao,Jianchun Chen,Yu,
来源：自然科学进展（英文版） 年份：2004
The microstructures and modification performance on 4032 aluminum alloy of the Al-10Sr master alloy wire prepared from“direct reaction-hot extrusion”and the t...
[期刊论文] 作者：GU Yun-Hong,YU Zeng-Liang,QIN,
来源：核技术 年份：2004
With the development of planta genetic engineering, more emphases have been laid on convenient and high efficient genetic transformation methods. And transforma...
Tumor-associated methylation of the putative tumor suppressor AJAP1 gene and association between dec
[期刊论文] 作者：David Cogdell,Woonbok Chung,Yu,
来源：癌症（英文版） 年份：2004
Allelic loss of the short arm of chromosome 1 has been observed frequently in a wide spectrum of cancers, most frequently in oligodendroglioma. In our previous...
[期刊论文] 作者：Yundan Yu,Zhenlun Song,Honglia,
来源：自然科学进展（英文版） 年份：2004
Electroless deposition technology has been considered as a kind of common ways to obtain cobalt alloy films. However, in order to get cobalt alloy films, high t...
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