naphthalene

The gained achievements have a certain guiding significance for the industrial production of Naphthalene series superplasticizer.

所得成果对萘系高效减水剂的工业生产具有一定的指导意义.

In fact, camphor and naphthalene balls are different in nature.

事实上, 樟脑和臭丸在性质上是不同的.

The development of polyethylene naphthalate ( PEN ) and its intermediate 2,6-naphthalene dicarboxylic aicd ( 2,6-NDA ) is reviewed.

叙述了PEN及其中间体2, 6- 萘二甲酸的发展情况.

The amino acids were derivatized with naphthalene _ 2,3 _ dicarboxyaldehyde ( NDA ) to produce electroactive substances.

氨基酸用萘-2,3-二羧醛 ( NDA ) 衍生为电活性物质.

The development condition and the problems in practice of Naphthalene series superplasticizer were also analysed.

分析了萘系高效减水剂的发展状况及应用中存在的问题.

Oil and Lubricants, Valves, Pipes and Pipe Fittings Naphthalene, Valves, Pipes Fittings Oil and Lubricants.

采购产品油和润滑物, 阀门, 管和管配件, 装阀门, 管配件,油和润滑物.

The derivates of naphthalene, fluorene, pyrene, anthracene, acenaphthene and their application in biotechnology were reviewed.

对应用于生物工程的萘 、 芴 、 芘 、 蒽 、 苊等稠环芳烃衍生物作了概括介绍.

The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared spectroscopy.

用红外光谱法测定了防蛀剂中对二氯苯和萘的含量.

The purity of refined naphthalene could be more than 99.5 % by said fractional crystallization process.

通过分级结晶提纯过程,可获得纯度达到99.5%以上的精萘产品.

Dispersants such as lignin type, naphthalene sulfonate-formaldehyde condensates and polycarboxylic acids were introduced.

介绍了木质素类分散剂 、 萘磺酸甲醛缩合物和聚羧酸系分散剂.

A sensitive chromogenic reagent , 2-( 4-chloro-2-phosphophenylazo )-7-( 2,4-dichlorophenylazo )-1,8-dihydroxy-3,6-naphthalene disulfonic acid ( abbreviation : DC-CPA ), has been used in the spectrophotometric determination of bismuth.

研究了 2- ( 4-氯 -2- 膦酸基苯偶氮 ) -7- ( 2, 4- 二氯苯偶氮 ) -1, 8-二羟基-3, 6- 萘二磺酸 ( DC -CPA ) 与铋的显色反应.

For production of industrial naphthalene, the Coking Works of Anyang Iron & Steel Group Co.

安钢焦化厂工业萘生产系两炉两塔工艺流程,过程复杂,控制参数多,指标严格.

So here I would like to talk about camphor and naphthalene ball.

所以在这里,我想谈论一下樟脑和臭丸.

The polymer films of naphthalene , including naphthylamine , naphthalene and aminonaphthalenol, were obtained by electrochemical polymerization method.

以电化学方法得到一系列的萘衍生物聚合膜.

A marble-sized ball, originally of camphor but now of naphthalene, stored with clothes to repel moths.

用来使蛀虫远离储存的衣服的樟脑或萘的小圆球.