isopropyl的例句大全

Methods 2-naphthylhydrazine was prepared from 2-naphthylamine via diazotization and reduction reactions, followed by a Fischer indole synthesis with isopropyl methyl ketone to give 1,1,2-trimethyl-1H-benz [ e] indole.

方法由2-萘胺经重氮化反应、还原反应制得2-萘肼，再与甲基异丙基酮经费歇尔吲哚合成反应制得目标化合物。

951. When isopropyl alcohol as solvent, the molecular weight of EVA is 1.32 × 10~ 4.

当异丙醇为溶剂时，EVA的平均相对分子质量为1.32×104。

3,4-oxo-isopropylidene-shikimic acid ( ISA) is a kind of derivative of shikimic acid ( SA) which was a component extracted from Illicium verum Hook. fil.

异亚丙基莽草酸（3，4-oxo-isopropylidene-shikimic acid，ISA）是从中药木兰科植物八角茴香中提取的有效成分莽草酸的衍生物。

Radiochemical separation of carrier-free gallium-67 from target was carried out by isopropyl ether extraction.

无载体~（67）Ga的化学分离采用异丙醚溶剂萃取法。

to clean his own mobile devices, mr. meister at the geek squad said he used a 1:1 ratio of 70 percent isopropyl alcohol and distilled water, which together cost less than$ 4 at most grocery and drugstores.

奇客小分队的梅斯特说他为了清洁自己的移动设备，会用1比1的比例把纯度70%的酒精与蒸馏水混合，在绝大多数杂货店和药店，这些东西加起来不会超过4美元。

scrub each optical surface with a gauze pad soaked in isopropyl alcohol.

光学表面用含异丙醇的网垫擦净。

by using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.

在环丙甲酸异丙酯的合成反应中，通过相转移催化剂提高了反应收率。

the inhibitive action of isopropyl amine, n-butyl amine and n-octyl amine on aluminium corrosion in hydrochloric acid solutions was studied using mass loss technique.

采用失重法研究了异丙胺、正丁胺、正辛胺在盐酸介质中对铝的缓蚀性能，发现正辛胺是一种较好的缓蚀剂。

auxiliary for glyphosate isopropyl amine salt aqueous solution

草甘膦异丙胺盐水剂专用助剂

the results show that the optimum technical parameters for the synthesis of isopropyl xanthogen ethyl formate are 25 ℃, 200 minutes, 1.06 ∶ 1 ( the ratio of molar), and the percentage productivity of isopropyl xanthate can be over 94%.

结果表明：反应最佳温度为25℃，合成时间200分钟，物料摩尔比1.06∶1，异丙基黄原酸甲酸乙酯的产率可以达到94%以上。

synthesis of p-isopropyl benzoic acid via catalytic oxidation of p-cymene

对伞花烃催化选择氧化制备对异丙基苯甲酸

experiment results showed that mixed solvent of isopropyl ether and phenol could promote the extraction of hydroquinone.

实验发现，异丙醚-苯酚复合溶剂对萃取对苯二酚有促进作用。

vapor-liquid equilibrium data of ethyl acetate-isopropyl ether and ethyl acetate-tetrahydrofuran systems at atmospheric pressure

乙酸乙酯-异丙醚和乙酸乙酯-四氢呋喃物系常压汽液平衡数据的测定

study on recovery and refining technology of isopropyl ether from by-product of isopropanol

从异丙醇装置副产中分离精制异丙醚的工艺研究

study on separation and purification of isopropyl ether from isopropanol

异丙醇生产副产物中异丙醚的分离精制技术

the concentrations of sodium chloride or sodium chromate, (3) the type of solvents (water or isopropyl alcohol);

氯化钠或铬酸钠之浓度；（3）溶剂（水或异丙醇）之种类；

measurement and correlation of vapor-liquid equilibriumdata of binary system of isopropanol and isopropyl ether

异丙醇-异丙醚二元体系的汽液平衡数据测定及关联

on chemical equilibrium in synthesis of isopropyl ether

异丙醚合成过程的化学平衡

isopropyl cyclohexeneyl ether can be used as the protective reagent to carbonyl group, which has potential application prospect.

异丙基环己烯基醚可以作为羰基的保护试剂，具有潜在的应用前景。

the effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对异丙基黄药合成异丙基黄原酸甲酸乙酯的影响。