研究了镇肾平对二甲基苯并蒽诱导的叙利亚仓鼠口腔癌变的预防作用。
The preventive effects of zhenshenping on dimethyl benzanthracene induced oral carcinogenesis in syrian golden hamster were studied.
目的:研究增生平对二甲基苯并蒽(DMBA)诱发金黄地鼠口腔癌的预防作用。
Objecti The preventive effects of zhenshenping on dimethyl benzanthracene(DMBA)induced oral carcinogenesis in syrian golden hamster were studied.
采用邻二甲苯和一氧化碳为原料、无水三氯化铝为催化剂,对3,5-二甲基苯甲醛的羰基化合成反应进行了研究。
A new method related to the carbonylating synthesis of 3,5-dimethylbenzaldehyde was studied using o-xylene and CO as the raw materials and anhydrous AlCl3 as the catalyst.
与聚对苯撑二甲基聚合物相比引入乙酰基后聚合物的溶解性、介电常数和损耗因子均有所提高。
The solubility, dielectric constant, and dissipation factor of the polymer were improved alter acetyl substitution of poly (p-xylylene).
由邻甲苯胺和甲醛水溶液反应合成得到了高纯度的3,3 -二甲基-4,4 -二氨基二苯甲烷(MDT),并对其性能进行了表征。
The polyimide monomer of 3,3 -dimethyl-4,4 -diaminodiphenylmethane(MDT)was synthesized through the reaction between O-methyl aniline and aqueous formaldehyde solution.
由邻甲苯胺和甲醛水溶液反应合成得到了高纯度的3,3 -二甲基-4,4 -二氨基二苯甲烷(MDT),并对其性能进行了表征。
The polyimide monomer of 3,3 -dimethyl-4,4 -diaminodiphenylmethane(MDT)was synthesized through the reaction between O-methyl aniline and aqueous formaldehyde solution.
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