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The 5 5 13Cand 4 I5Nnmr transitions in chlorophyll a and its magnesium-free derivative pheophytin a have been assigned. Emphasis is placed on the quaternary carbon atoms of the macrocycle which carry ...
The thermodynamic and elastic properties of magnesium silicate (MgSiO3) perovskite at high pressure are investigated with the quasi-harmonic Debye model and the first-principles method based on the de...
期刊信息 篇名 Synthesis and characterization of magnesium-saponite by hydrothermal way 语种 英文 撰写或编译 撰写 作者 Yao Ming,Wang Kai-xiong,Liu Zi-yang,Shi Wen-yan,Sun Hong-jie 第一作者单位 浙江大学 刊物名称 合成化学 页面 12(5):457-461 出...
The complex compound (MgCl2·C6H5NH2·HCl·6H2O) was prepared by reaction of C6H5NH2·HCl with MgCl2·6H2O. Reaction mechanism and kinetics of the compounds decomposition were studied by means of the TG-DT...
The miscibility of methyl methacrylate-co-methacrylic acid polymer (MMA-MAA) with metal neutralized sulfonated polystyrene ionomers was investigated by viscometry, differential scanning calorimetry (D...
A method of ultrasonic leaching has been developed for the destructive analysis of magmatic rock samples1. This method was applied to determine three new elements, Ca, Mg and Al, in magmatic rock samp...
The synthesis and characterization of anhydorus Mg3(PO4)2 was investigated. Mg3(PO4)2 is reported to have similar structural arrangements with Co3(PO4)2 and g-Zn3(PO4)2 compounds. The sample was prepa...

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