研究了水分含量对氨基化钠制备2-苯基苯甲酸胺收率的影响。
The effect of content of water on the yield of 2-phenylbenzmide by using sodium amide was studied.
芳香族二醛与羟胺盐酸盐在85%甲酸或冰醋酸中回流可制备相应的芳香族二腈。方法简便,产率高。
Aromatic dinitriles were prepared with excellent yields by refluxing the corresponding aromatic dialdehydes with hydroxylamine hydrochloride in 85% formic acid or glacial acetic acid.
本文介绍了以邻苯二甲酸二丁脂为内标物,对5%避蚊胺驱虫花露水进行有效成份测定的气相色谱分析法。
A quantitative analytical method of 5% diethylmethylbenzamide in drive-worms floral- water by GC was introduced, Dibutyl Phthalate was selected as internal standard.
采用苯甲酸改性的醇酸树脂和混合醚化的三聚氰胺甲醛树脂为基料,配以适量的锤纹助剂制成高固体分低温快干型氨基锤纹漆。
The high-solid fast drying amino hammer paint is prepared with benzoic acid modified alkyd resin and etherified melamine-formaldehyde resin as binder, hammering agent and other components.
研究了水分含量对氨基化钠裂解芴酮制备2-苯基苯甲酸胺收率的影响。
The effect of content of water on the yield of 2-phenylbenzmide by using sodium amide to cleave fluorenone was studied.
以硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠三者为混合防锈剂应用于切削液中,其中硼酸酯和取代苯甲酸乙醇胺盐有明显的协同效应。
Boric acid ester, tri ethanolamine salt of substituted benzoic acid and sodium gluconate were used as anti rust additives in water based cutting fluid.
UHMWPE对非氧化性酸(烯硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都有两好的耐蚀性、两种材料都不耐强氧化性酸的腐蚀。
UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.
本发明公开了一种防锈纸处理剂,由苯甲酸钠、三乙醇胺、尿素、乙醇、水混合组成。
The invention discloses an anti-tarnish paper finishing agent which is composed by mixing sodium benzoate, triethanolamine, urea, ethanol and water.
优选地,该氨基甲酸酯预聚物是脂族异氰酸酯聚醚预聚物,且该固化剂包括芳族二胺和三醇。
Preferably, the urethane prepolymer is an aliphatic isocyanate polyether prepolymer and the curative includes an aromatic diamine and a triol.
考察了聚异丁烯、氟化镧、三聚氰胺氰尿酸复合物(MCA)、硫代氨基甲酸盐对锂-钙基脂性能的影响。
The effects of polyisobutene , LaF3, MCA, dialkyldithioaminoformaite on properties of lithium-calcium base grease have been discussed in this paper.
实际配方中硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠的含量分别为1 0 %、 6 %和1 %。
The content of boric acid ester, tri ethanolamine salt of substituted benzoic acid, sodium gluconate in cutting fluid was 10%, 6%, 1%, respectively.
实际配方中硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠的含量分别为1 0 %、 6 %和1 %。
The content of boric acid ester, tri ethanolamine salt of substituted benzoic acid, sodium gluconate in cutting fluid was 10%, 6%, 1%, respectively.
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