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[期刊论文] 作者：ZHENG Xu,HAO Zhiyong,
来源：天津大学学报（英文版） 年份：2004
A hybrid of ensemble empirical mode decomposition and empirical mode decomposition (EEMD-EMD)is introduced to diagnose the valve-slap vibration signal,which is...
[期刊论文] 作者：Zheng Xu,Xiaozheng Yu,Zhigang,
来源：中国颗粒学报（英文版） 年份：2004
Magnetron sputtering was used to coat various metals on micropowder surfaces. By using this method, the fine particles are better dispersed and can therefore be...
Grignard Addition to Quinoxalinium Salt: Synthesis of 1, 2-Dihydroquinoxaline and 1, 2, 3, 4-Tetrahy
[期刊论文] 作者：Lian You ZHENG,Xu BAI,
来源：中国化学快报（英文版） 年份：2004
Grignard additions to a quinoxalinium salt were studied. Depending on the ratio of the reagents and reaction temperature, 1, 2, 3, 4-tetrahydroquinoxaline and 1...
[期刊论文] 作者：ZENG Chuan-hua,PEI Zheng,XU Ya,
来源：东华大学学报（英文版） 年份：2004
To make decisions about event series is part of our life, and to discover knowledge from these decisions is of great significance in the field of controlling an...
Static opaque chamber-based technique for determination of net exchange of CO2 between terrestrial e
[期刊论文] 作者：ZOU Jianwen,HUANG Yao,ZHENG Xu,
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...
Static opaque chamber-based technique for determination of net exchange of CO2 between terrestrial e
[期刊论文] 作者：ZOU Jianwen,HUANG Yao,ZHENG Xu,
来源：科学通报 年份：2004
Terrestrial carbon cycling is one of the hotspots in global change issues. In this paper, we presented the rationale for determination of net exchange of CO2 be...
Molecular Characterization and Expression Pattern of Rheb Gene in Inner Mongolia Cashmere Goat (Capr
[期刊论文] 作者：ZHENG Xu,YANG Jiao-fu,WANG Xia,
来源：中国农业科学（英文版） 年份：2004
As one member of the Ras super family,Rheb is an upstream regulator ofmTOR signaling pathway,which regulates the process of cell-growth,proliferation and differ...
[期刊论文] 作者：Li-wei Wang,Zheng Xu,Fu-jun Zh,
来源：矿物冶金与材料学报 年份：2004
The microstructural, optical, and magnetic properties and room-temperature photoluminescence (PL) of Mn-doped ZnO thin films were studied. The chemical composit...
[期刊论文] 作者：徐红星,LU Zhong-Xian,陈建明,ZHENG Xu,
来源：中国生态农业学报 年份：2004
本试验研究了褐飞虱在适应抗性水稻品种"IR26"过程中体内游离氨基酸含量的变化规律,结果表明,"IR26"植株的叶鞘和伤流液中氨基酸总量分别比感虫水稻品种"TNI"植株的低3.78%和...
Sufficiency and Deficiency Indices of Soil Available Zinc for Rice in the Alluvial Soil of the Coast
[期刊论文] 作者：WEI Yi-chang,BAI You-lu,JIN Ji-yun,YANG Li-ping,YAO Zheng,XU Si-xin,LUO Guo-an,SONG Wei,ZHU Chun-mei,
来源：水稻科学（英文版） 年份：2004
To determine the sufficiency and deficiency indices of soil available Zn by the Agro Services International (ASI) method (ASI-Zn) for Zn fertilizer recommendati...
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