搜索筛选:
搜索耗时1.1297秒,为你在为你在102,285,761篇论文里面共找到 9 篇相符的论文内容
类      型:
[期刊论文] 作者:Miao LI,Quan ZHENG, 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:LI Quan'an,LI Xiaofeng,ZHANG, 来源:稀有金属(英文版) 年份:2004
The effect of Sm (0 wt.%-2 wt.%) addition on the corrosion behavior of Mg-6Al-1.2Y-0.9Nd alloy in 3.5 wt.% NaCl solution has been studied by static corrosion te...
[期刊论文] 作者:ZHANG Cheng-Gang,LI Quan,WANG, 来源:结构化学 年份:2004
N-[4-(2-Methoxyphenoxy)]phenyl acetanilide has been synthesized and its structure was determined by X-ray diffraction analysis with a = 0.6152(4),b = 1.1728(4),...
[期刊论文] 作者:Ren Wenliang,Li Quan'an,Li Ji, 来源:中国铸造 年份:2004
Since Y has a great solid solubility in magnesium alloys,it helps enhancing the heat-resistant property of magnesium alloys.The effects of Y on microstructures...
[期刊论文] 作者:QIN Wen-qing,LI Quan,QIU Guan-, 来源:中国有色金属学会会刊(英文版) 年份:2004
The anodic surface oxidation of natural pyrrhotite in 0.3 mol/L KCl and HCl solution (pH 4. 0) and 0.1 mol/L Na2 B4O7 solution (pH 9.18) respectively was invest...
[期刊论文] 作者:Juan LI,Quan Xiang WU,Yan Ping, 来源:中国化学快报 年份:2004
A new guaianolide was isolated from the roots of Scorzonera austriaca. The structure was elucidated on the basis of spectral methods including 2D NMR....
[期刊论文] 作者:Xia Ping Ma,Zhi Ming Li,Quan R, 来源:中国化学快报(英文版) 年份:2004
The thermal Claisen rearrangement of O-allyl substituted isotetronic acids 1 was successfully carried out within a glass microreactor operated with temperature...
[期刊论文] 作者:Wei Ben YANG,Ai Min LI,Quan Xi, 来源:中国化学快报(英文版) 年份:2004
A new acrylic ester polymer YWB-7 resin was prepared and characterized. The properties of YWB-7 resin were compared with those of the commercial Amberlite XAD-7...
[期刊论文] 作者:Guan Hu BAO,Li Quan WANG,Kin F, 来源:中国化学快报 年份:2004
One new grayanane diterpene glucoside, rhodomoside A 1 was isolated from the roots of Rhododendron molle G. Don (Ericaceae). Its structure was elucidated on the...
相关搜索: