秋: 名词1.(秋季) autumn; [美国] fall 短语和例子秋风 autumn wind; 深秋 late autumn; 在初秋 in early autumn; 在一九九二年秋 in the fall of 19922.(庄稼成熟时节) harvest time 短语和例子麦秋 time for the wheat harvest3.(一年的时间) year 短语和
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide ( 27 . 5 % ) as oxidant 摘要以二乙胺和二硫化碳为原料,经双氧水( 27 . 5 % )氧化,一步合成了四乙基秋兰姆化二硫。