Initial heating of the phenol and formaldehyde (in the presence of an acid or base to get the reaction going) produced a shellac-like liquid good for coating surfaces like a varnish.
开始加热,酚和甲醛(需有酸或碱促使其反应进行)便产生了像紫胶样的液体,能像清漆一样涂于物体表面。
Wood liquefaction refers to turn the timber into the hot chemical course of the similar and liquid sticky form fluid under the function in organic matter, such as acid, phenol, etc.
木材液化是指在酸、苯酚等有机物的作用下,将木材转化为类似液体的黏稠状流体的热化学过程。
Nonylphenols is an important chemical raw materials and intermediates, appearance at normal temperature colorless or light yellow liquid, with phenol odour, insoluble in water.
壬基酚是一种重要的精细化工原料和中间体,外观在常温下为无色或淡黄色液体,略带苯酚气味,不溶于水,。
Carbolic acid( or phenol ):Organic compound, simplest member of the class of phenols. A colourless liquid with a Bland, sweetish odour, it is toxic and caustic.
石炭酸:最简单的酚类有机化合物。为无色液体,芳香味温和并带甜味,而且具有强毒性和强腐蚀性。
Brown liquid, mainly consist of phenol, cresol and xylenol etc.
棕褐色液体,主要由苯酚,甲酚和二甲酚等组成。
Phenol concentration, impurities, and CHP contents are analyzed using highly automated liquid and gas chromatography.
酚浓度,杂质和CHP内容被分析高度地使用自动化液体和色相色层分析法。
Phenol and cresol isomers could be well separated in liquid crystal PBOB packed column.
苯酚和甲酚异构体在液晶pbob填充柱上分离良好。
W5001 is a new complex liquid antioxidant of substituted phenol and amine for improving the oxidation stability of gasoline.
新型抗氧剂W5 0 0 1是一种含取代基酚胺复合型液体抗氧剂,用于提高汽油氧化安定性。
The liquid product from gas-phase amination of 2, 6-diisopropyl phenol was analyzed by gas chromatography-mass spectrometry, and the composition of the product was determined.
对2,6 -二异丙基苯酚气相胺化反应的液相产品进行了气相色谱-质谱分析,确定了产物组成。
Disclosed is a modified liquid epoxy resin having low viscosity and high performance, which is obtained by reacting a mixture of a bisphenol and a phenol aralkyl resin with an epihalohydrin.
本发明提供一种使双酚类和芳烷基酚醛树脂的混合物与环氧卤丙烷反 应得到的低粘度且高性能的变性液性环氧树脂。
A very good result has been given by experiment for this emulsified liquid membrane to remove phenol and chromium ions from waste water.
以它配制的乳化液膜脱除废水中酚和铬离子获得良好的实验结果。
A very good result has been given by experiment for this emulsified liquid membrane to remove phenol and chromium ions from waste water.
以它配制的乳化液膜脱除废水中酚和铬离子获得良好的实验结果。
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