... normal-anglelens 常角透镜 normal-butyl 正丁基 normal-circulationrotarydrilling 正循环旋转钻进 ...
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normal butyl alcohol 正丁醇 ; 丁醇
Normal butyl alcohol extraction 正丁醇提取物
ELECTRONIC GRADE NORMAL BUTYL ACETATE 电子级醋酸正丁酯
normal butyl lithium 正丁基锂
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
Through these the rubber may be vulcanized more readily than normal butyl rubber.
这种橡胶通过烯丙基氯可以比一般丁基橡胶更容易硫化。
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