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[期刊论文] 作者:KE,Shao-Yong WEI,Tai-Bao XUE,S,
来源:有机化学 年份:2004
Acylthiourea derivatives are useful as pesticides, herbicides, fungicides and regulator for plant growth, and also as important intermediates in the organic syn...
[期刊论文] 作者:SHAO,Pin LUO,Jian-Lin GONG,Wei,
来源:有机化学 年份:2004
It is a new interest to explore novel organic two-photon absorption (TPA) chromophores with large TPA cross section for their potential applications in various...
[期刊论文] 作者:MA,Yuan LIU,Wei ZHAO,Yu-Fen,
来源:有机化学 年份:2004
Ring contraction reactions of heterocyclic compounds under mass ionization conditions are important and interesting phenomenon.[1] It should be very useful to e...
[期刊论文] 作者:WANG,Shu-Xiang WANG,Wei LI,Ji-,
来源:有机化学 年份:2004
Acylhydrazine and hydrazine are highly reactive chemicals that have a wide spectrum of uses such as in the chemical and pharmaceutical industries and as a fuel...
[期刊论文] 作者:Zhang Jingmin Wu Wei Fang Chan,
来源:岭南心血管病杂志:英文版 年份:2004
Objectives To investigate the effects of adrenergic receptor antagonist ( metoprolol or prazosin) on myocardial α1-AR density and the changes of ventricular ef...
[期刊论文] 作者:Chunchun Cao,Qing Zhou,Wei Cen,
来源:中美英语教学 年份:2004
...
[期刊论文] 作者:Shuili Gong Li Chen Wei Yao,
来源:航空制造技术 年份:2004
针对2.5 mm厚BT20钛合金进行了CO2激光焊和YAG激光焊研究,结果表明:由于激光特性不同,形成的焊缝几何特征不同,当焊接工艺适当,可保证焊接过程的稳定性和焊接接头的质量.在激...
Suillus sp.: A Potential Ectomycorrhizal Species for Ecological Restoration in Da Qin Mountain Regio
[期刊论文] 作者:YAN Wei YAO Qing-zhi BAO Yu-yi,
来源:新疆大学学报:自然科学版 年份:2004
The vegetation of Da Qin Mountain, which is located in Yellow River upper basin, is one of the most threatened ecosystems in north-western of Inner Mongolia of...
[期刊论文] 作者:LI Wei HAO Er-jun JIANG Yu-qin,
来源:合成化学 年份:2004
As we all known that diabetes is a chronic disease with major health consequences.Research has revealed that the occurrence of diabetes have great thing to do w...
[期刊论文] 作者:SHEN De-jiu WANG Yu-lin GU Wei,
来源:中国有色金属学会会刊:英文版 年份:2004
Firstly, an aluminum coating was produced metallurgically on mild steel by hot-dipping, then an aluminum oxide coating was formed self-growingly from the alumin...
Tribological properties of high velocity arc sprayed Fe-Al based composite coatings at elevated temp
[期刊论文] 作者:ZHANG Wei ZHANG Shu XU Wei-pu,
来源:中国有色金属学会会刊:英文版 年份:2004
Fe-Al based intermetallic composite coatings were in-situ synthesized using Fe-Al/Cr3C2 or Fe-Al/WC cored wires and high velocity are spraying (HVAS) technology...
[期刊论文] 作者:Yang guirong Zhang wei Li li,
来源:中国心脏起搏与心电生理杂志 年份:2004
Objective Atrial fibrillation (AF) is commonly associatedwith atrial dilation and fibrosis, but the mechanism underlying these abnormalities remains unclear. Th...
Integrin β1 Participates in Atrial Remodeling in Rapid Atrial Pacing Induced Canine Atrial Fibrillat
[期刊论文] 作者:Zhang wei Yang guirong Zheng z,
来源:中国心脏起搏与心电生理杂志 年份:2004
Objective Integrin β1 regulates cell to cell and cell to extracellualr matrix interaction in heart. however, its pathop hysiological role in atrial fibrillatio...
[期刊论文] 作者:Wei Baoren Ma Xinwen Zhu Xiaol,
来源:近代物理研究所和兰州重离子加速器实验室年报:英文版 年份:2004
The production of multiply charged C60 ions and the mass spectra resulting from fragmentation process of these ions are of particular interest in obtaining...
[期刊论文] 作者:Wei Baoren Chen Li R.Bredy J.,
来源:近代物理研究所和兰州重离子加速器实验室年报:英文版 年份:2004
During the last years, many investigations were devoted to low energy highly charged ion-fullerene Cgo target collisions. The Cgo is an isolated target that...
[期刊论文] 作者:Liu Huiping Ma Xinwen Wei Baor,
来源:近代物理研究所和兰州重离子加速器实验室年报:英文版 年份:2004
...
[期刊论文] 作者:Zhu Xiaolong Ma Xinwen Wei Bao,
来源:近代物理研究所和兰州重离子加速器实验室年报:英文版 年份:2004
The collision processes of highly charged ions with molecules are of fundamental interests. These processes will help to shed light on problems as diverse a...
[期刊论文] 作者:Wang Zhenglin Ma Xinwen Wei Ba,
来源:近代物理研究所和兰州重离子加速器实验室年报:英文版 年份:2004
Molecular H2 is extensively existing in interstellar plasma and play an important role in various charge exchange processes. Collisions between multiply cha...
[期刊论文] 作者:Xie Hongmei Wei Zengquan Liu X,
来源:近代物理研究所和兰州重离子加速器实验室年报:英文版 年份:2004
In order to improve quality of Chinese-drugs Angelica and Dangshen, it is desired to breed some new varieties with high yield, high grade, resistant disease...
[期刊论文] 作者:Xia Jingguang Li Wenjian Wei W,
来源:近代物理研究所和兰州重离子加速器实验室年报:英文版 年份:2004
We exposed human tumor cell lines SMMC-7721 and HeLa with 3 Gy of γ-rays (the dose rate is 0.3 Gy/min). After irradiation, the exponentially growing cells...
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