zinc dimethyl 中文意思是什麼
zinc dimethyl
解釋
二甲鋅-
Meso - tetra ( 4 - acyloxyphenyl ) pophyrin was prepared by usual procedure from acyl chloride and meso - tetra ( 4 - hydroxyphenyl ) porphyrin in benzene and obtained in 86. 4 % yield. treatment of the free base with zinc chloride in dimethyl formamide ( dmf ) - dichloromethane ( ch2cl2 ) yielded corresponding zinc porphyrin complex. the spectral data ( uv - visjr / h - nmr ) and elemental analysis are in agreement with the assigned structures
在合成工作基礎上，採用紫外可見光譜（ uv - vis ） 、紅外光聲光譜（ ftir - pas ） 、核磁共振氫譜（ ~ 1hnmr ） 、元素分析、摩爾電導等手段研究了卟啉及金屬卟啉材料的組成及結構。 -
The catalytic properties of zinc oxide catalysts from zinc oxide, zinc acetate calcined at 600 and zinc carbonate prepared through deposition, in the synthesis of dimethyl carbonate by alcoholysis of urea were studied
摘要研究了在600煅燒氧化鋅、醋酸鋅和沉澱法制得碳酸鋅而得到的氧化鋅催化劑，對尿素醇解制備碳酸二甲酯的催化作用。
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