... 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
triple normal-butyl phosphorus 三正丁基膦
butyl bromide normal 正溴丁烷
butyl formate normal 正甲酸丁酯
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。
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。
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