论文部分内容阅读
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<
Two New Iridoid Glycosides from Caryopteris mongholica
【摘 要】
：
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
【出 处】
：
中国化学快报（英文版）
【发表日期】
：
2000年4期
其他文献
给出11颗中等贫金属星-1.3 ［Fe/H］ -0.6的观测资料,确定了这些样本星的恒星大气参数，得到了这些星中14种元素的丰度. 讨论了各类元素丰度比随金属丰度的变化. 元素 (Mg、Si、Ca
C2a-β-H ketone 6 was synthesized from the exo-IMDA-additive 4 with the aid of singlet oxygen, and ring E of hainanolide was assembled via kinetic enol ether of
通过对点价的修正，将分子连接性指数转变成为一种量子拓扑指数。由于改进后的量子 拓朴指数能够很好地表达分子的体积和电性等结构信息，因此该指数与疏水常数计算中的极性基 团
FT-Infrared and FT-Raman Spectroscopic Studies of Complexes (C5H5)2TiCl2,(C5H4Me)2TiCl2 and (C5HMe4)
The FT-IR and FT-Raman spectra of complexes (C5H5)2TiC12( Ⅰ ), (C5H4Me)2TiCl2( Ⅱ )and (C5HMe4)2TiCl2( Ⅲ ) have been obtained and discussed. The FT-Raman spec
Molecular and Crystal Structure of 4-[2-(4-Dimethy aminophenyl)ethenyl]-1-methypyridinium tetrapheny
The title compound, C40H39N2B, Mr=558.54, crystallizes in space group P21/c, monoclinic, a=18.013(3), b=10.821(2), c=17.321(3),β=112.20(1)°, V=3125.9(9)3, Z=4
A series of CdS nanoparticles with different surfaces were prepared by colloidal chemical method and reverse micelle method. Their second-order nonlinear optica
The title complex, bis(4-nitrobenzaldehyde thiosemicarbazone) cadmium iodide (C16H16CdI2N8O4S2) crystallizes in the triclinic system, space group P1 with a=9.63
The wave functions of the n 1,3P (n=2,3,4) and the n 1,3D (n=3,4,5) low-lying states ofthe helium atom are expanded into the complete sets of the symmetrically
The reduction of TiC14(THF)2 with Al in CH2Cl2 gave a green solution of [Ti2(μ-Cl)2Cl4 ·(THF)4] (1) which was found to promote the reductive homocoupling of a
聚合型负载金属卟啉化合物是均相催化领域中热门研究课题．通过邻苯二甲酰亚胺等合成了 苯并卟啉锌化合物－中位四苯基苯乙酰胺基苯并卟啉锌、中位四苯基甲基丙烯酰基本并卟啉锌，