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1)  propellant replacement
抛射剂替代
2)  propellant [英][prə'pelənt]  [美][prə'pɛlənt]
抛射剂
1.
The Pharmaceutical Aerosol Propellant Substitution: HFA for CFC;
药用气雾剂抛射剂的替代:从CFC到HFA
2.
Study advances of propellants from medical aerosol;
药用抛射剂含氯氟烃代用品的研究进展
3.
The current situation of applying dimethyl ether as a new aerosol propellant was introduced.
介绍了二甲醚作为抛射剂在国内外的应用现状。
3)  substitute reagent
替代试剂
1.
Now by testing it again and again we developed a substitute reagent suitable for the instrument.
美国HACH公司制造的COD测定仪,使用方便,但试剂依赖进口且价格昂贵,我们经过反复试验,开发出仍适用于该仪器的替代试剂。
4)  substitutional agent
可替代剂
5)  alternative insecticide
替代药剂
1.
To provide alternative insecticides for rice insect control,the toxicities against the striped stem borer,Chilo suppressalis of 32 insecticides fallen into seven different classes were evaluated by the topical application method in 2005.
为了筛选防治水稻二化螟的高毒农药替代药剂,采用点滴法测定了7类32种药剂对不同水稻生态区二化螟种群的室内毒力。
2.
To screen alternative insecticides for controlling the rice leafroller,Cnaphalocrocis medinalis(Guenée),the toxicities of 29 insecticides belonging to 8 classes against the third-instar larvae of the rice leafroller collected from Nanning City,Guangxi Zhuang Autonomous Region and Nanjing City,Jiangsu Province,China were measured by the Potter-spraying method.
为筛选高毒农药替代药剂,采用Potter喷雾法测定了8类29种杀虫剂对广西南宁和江苏南京稻纵卷叶螟3龄幼虫的室内毒力。
6)  substitute solvent
替代溶剂
补充资料:火炸药抛射体撞击感度(projectile impact sensitivity)
分子式:
CAS号:

性质:又称火炸药抛射体撞击感度(projectile impact sensitivity)。在枪弹等高速抛射体撞击下,火炸药发生燃烧或爆炸的难易程度。落锤撞击火炸药是低速撞击,抛射体撞击火炸药是高速撞击,后者比前者更能准确评价火炸药在使用过程中的安全性和起爆感度。中国通常采用7.62mm口径的普通枪弹,以25m的射击距离(子弹射击速度为710~725m/s)射击裸露的药柱或药包,观察其是否发生爆炸。以六次试验中发生爆炸的次数表示试样的枪击感度。

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