this compound is a very sensitive reagent for copper.
这种化合物对铜极快。
this compound is a very sensitive reagent for copper.
这种化合物对铜极快。
remnants of the reagent may give a false reading.
残留物可能导致读数出错。
the process uses chemical reagents to detoxify the oil.
这个过程使化学试
来去除油中
毒物。
USES: As chemical reagent and corrodent of integrated plate.
途:作化学试
和集成电路电镀板
消蚀
。
They experimented with new reagents and succeeded.
"他们新试
做了试验,获得了成功。"
(2) as reagents for cross-coupling, oxidation, arylation, and other reactions;
(2)有机铋化合物作为交联偶合、氧化、芳基化和其它试
;
In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以亚硝酸乙代替亚硝酸丁
,
苯代替无水乙醚合成铜铁试
新工艺。
Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced.
着重介绍过氧化氢和过氧化羧酸作羟基化
,使苯酚羟基化生成邻苯二酚和对苯二酚
研究开发进展。
MethodsExpanding reagent: butanol-water-acetic acid glacial(5∶2∶1),stationary phase: G silicon gel and colorate reagent: dissolve ninhydrin in acetone.
方法以正丁醇-水-冰醋酸(5∶2∶1)为展开,在硅胶G薄层板上展开,
茚三酮
丙酮溶液显色后观察。
The selective oxidation of ethers by chromic reagent, peroxide, nitric acid, oxygen and ozonide, as well as the ethers anodic oxidation are particularly introduced.
主要介绍了铬(Ⅵ)类试,过氧化物、硝酸、氧和臭氧等各类氧化
对醚选择性氧化以及醚
阳极电氧化研究状况。
Vessels : bell glass, flume, airer, alcohol burner, reagent bottles etc.
器皿类:钟罩、水槽、干燥器、酒精灯和各种规格试瓶。
Abstract:Objective To discuss the biurea method for determination of total protein in serum of fat emulsion specimens with double reagents on the automated biochemical analyzer.
摘要:目探讨双试
双缩脲法在全自动生化仪中直接测定脂肪乳浊标本血清总蛋白。
Synthesis of alkylated chlorosilane by Grignard reagent has been investigated,which provides a good way for preparation of organo-silicon compounds.
本文研究了格氏法制备烷基取代
硅烷
方法,为有机硅化合物
研制提供了一个较好
途径。
The experiment consist of two parts :the first one research nucleophilic addition of m-dinitrobenzene, nucleophilic reagent is benzyl cyanide;
实验分为两部分:第一部分研究了间二硝基苯亲核加成
,亲核试
为苄基腈;
Efficient pulp bleaching requires uniform distribution of chemical reagents and received mixing at macroscale, fibre_scale and microscale.
高效浆料混合就是要求化学试
和浆料均一分散,达到宏观级、纤维级、微观级
混合。
The 1,2-addition of α-oxoketene dithioacetals with methallyl Grignard reagent afforded the carbinols 2. 5 and 6 respectively.
缩酮基为五元和六元环α-氧代烯酮环二硫代缩酮与2-甲基烯丙基
化镁
得1,2-加成产物。
Synthesis of polyethenoxyether phosphate using polyethenoxyether as initiator and using phosphorus pentoxide as parkerizing reagent, and its application were studied.
本文介绍了以聚氧乙烯醚为起始,五氧化二磷为磷化
合成聚氧乙烯醚磷酸
过程;并且对其
也简要地加以说明。
The catalyzed asymmetric synthesis was the effective method to prepare the optics active compounds, the pentamethide obtaines the widespread application as the reagent or the catalyst in this domain.
催化不对称合成是制备光学活性化合物有效方法,金属有机化合物作为试
或催化
在这一领域得到了广泛
。
The Grignard reagent was used to test its application and qualification for the synthesis of vinylβ ionol or6 methoxy1 vinyl1 tetralol.
将该格氏试于合成乙烯基β紫罗兰醇和6甲氧基1乙烯基萘满醇,证实它
途。
Among other reagents used have been ??and titanous ion; a mixture of ferrous ion, oxygen, ascorbic acid , and ethylenetetraaminetetraacetic acid.
使过
其它试
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。
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