FREE BASE 自由基地 ; 游离碱 ; 自由词根 ; 以仲丁氧基计
Ethambutol free base 乙胺丁醇
salbutamol free base 沙丁胺醇 ; 沙丁胺醇标准品 ; 柳丁氨醇 ; 沙丁胺醇对照品
Erythromycin free base 游离红霉素
xylazine free base 甲苄噻嗪 ; 赛拉嗪
N cocaine that has been refined by heating it in ether or some other solvent (在乙醚或其它溶剂中加热过的)精炼可卡因 [slang]
V to refine (cocaine) in this way 用乙醚等加热精炼(可卡因)
Of the three types of nicotine, researchers found that all the brands of e-liquid they tested were the strongest form - free-base nicotine that is easily absorbed by the body.
研究人员发现，他们测试的所有品牌电子烟含有的尼古丁都是游离态的，这是尼古丁三种类型中药性最强的，且很容易被身体吸收。
The essay discusses the application of acrylonitrile co-polymerization in acrylic fiber production through the analysis over the reaction of dynamics of free-base co-polymerization.
前言： 本文通过对自由基共聚反应动力学的分析，对丙烯腈共聚合反应在腈纶生产中的应用进行了讨论；
The environment-friendly thixotropic antirust oil is composed of base oil and barium-free antirusting agent.
这种环保触变性防锈油，由基础油和无钡防锈剂组成。
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