1) 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。
2) Odorless thiol equi-valents
无气味硫醇替代试剂
3) 1,3-propanedithiol equivalent
1,3-丙二硫醇替代试剂
1.
3-(1,3-Dithian-2-ylidene)-pentane-2,4-dione (1a) and 2-[2-chloro-1-(1-chlorovinyl)-allylidene]- 1,3-dithiane (1b), prepared readily and used conveniently as odorless and efficient 1,3-propanedithiol equivalent, were studied in thioacetalization reaction.
探讨了将3-[1,3]二噻-2-亚基-2,4-戊二酮及其衍生物作为一种无气味、易于制备、便于贮存、使用方便的1,3-丙二硫醇替代试剂在缩硫醛/酮化反应中的应用。
4) test replacement
测试替代
5) substitutional agent
可替代剂
6) 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。
补充资料：边际技术替代率
是指在产出量保持不变的条件下，用一种投入要素Y替代另一种投入要素X的技术上的比率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条