试剂

As chemical reagent and corrodent of integrated plate.

作化学剂和集成电路电消蚀剂。

They experimented with new reagents and succeeded.

"他们用新剂做验,获得成功。"

The color reaction of Cadion 2B with silver(I) was studied.

镉剂2B固相萃取测定银方法。

In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍以亚硝酸乙酯代替亚硝酸丁酯,用氯苯代替无水乙醚合成铜铁剂新工艺。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲醛,乙酰乙酸乙酯,氨化剂为原料。

The trithiocarbonate moiety in turn, functions as a reversible addition fragmentation chain transfer (RAFT) agent.

线形三硫酯基团可以进一步作为RAFT剂控制其后聚合反应。

This method was at low cost, harmless and suitable for extracting,separating and preparing mesaconitine,aconitine and hypaconitine.

方法中所用剂成本低、毒性小,适用于乌头碱、中乌头碱、次乌头碱提取分离以及对照品制备。

Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.

本文在相转移催化条件下对两可亲核剂不同位置烷基化反应。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以碳酸二乙酯(DEC)为乙基化剂,与苯酚在气固相条件下催化合成苯乙醚。

The products were monobromo-compounds on which the bromine atom occupied the p-position of the activating group.

该剂反应条件温和,选择性好,是一种有效活泼芳环溴化剂。

It is taking hychroperoxides as masking agents, alumnium in titanium alloys was meascred with aluminon ammonium aurintri-carboxylate.

以过氧化氢作为掩蔽剂,用铝剂测定钛合金中铝方法。

By access to information,determination methods of alumina are mainly including chrome azurol S method and aluminon method.

经查阅资料，测定铝主要方法有铬天青S法和铝剂法。

Vessels : bell glass, flume, airer, alcohol burner, reagent bottles etc.

钟罩、水槽、干燥器、酒精灯和各种规格剂瓶。

Cleavable block copolymers could be cleaved into separate homopolymers under external stimuli (such as heat, light or agents).

这种聚合物在外部刺激下（如热、光、特殊剂等）可以发生解离，从而变为两段均聚物。

The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.

用溴代苯乙酮和溴苄为烷基化剂,以高产率和100%转化率以及100%选择性得到酚O-烷基化产物。

Abstract： One-pot synthesis method of diarylmethylamines was investigated using aryl lithium salt，thioformamide and aryl Grignard reagent.

摘 要： 由芳基锂盐、硫代甲酰胺和芳基格氏剂一锅法合成取代二芳基甲胺。

Because the reaction is initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction .

因为反应是由亲电剂附加而开始，所以这个过程叫做亲电加成反应。

In this thesis, the carbozincation of acetylenic sulfones and its applications in the stereoselective synthesis of polysubstituted olefins were investigated.

本论文炔基砜碳锌化反应及其原位产生α-磺酰基烯基锌剂在立体选择性合成多取代烯烃中应用。

Objective To study the cross contamination of alkaline picric acid in glucose determination by hexokinase(HK) method and its preclusion measures.

目探讨肌酐测定剂苦味酸对血糖己糖激酶法测定交叉污染及排除方法。

Among other reagents used have been ??and titanous ion; a mixture of ferrous ion, oxygen, ascorbic acid , and ethylenetetraaminetetraacetic acid.

使用过其它剂有?Ш脱穷牙胱印⒀翘?离子氧，抗坏血酸和乙四胺四乙酸混合物。