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- Jintan Star Chemical Co., Ltd. is a professional fine chemical production enterprise which has rich experience in diazo reaction, Friedel-Crafts and reducing reaction. 我公司是一家专业化、研型化工生产企业，在重氮化反应、克反应、原反应、合反应、夫曼反应等方面有丰富的经验。热忱欢迎您的光临指导！
- Infrared spectra(IR),mass spectrometry(MS),HPLC,thin layer chromatography(TLC),elementanalysis,visible absorption spectra and the diazo reaction method were used for the identification ofstructure and its character as well as the purity of the product. 用红外光谱（IR）、质谱（MS）、HPLC、薄层色谱（TLC）、元素分析、可见吸收光谱、重氮反应法等手段对产物进行了结构鉴定和纯度分析。
- Ehrlich diazo reaction [化] 埃利希重氮反应
- Ehrlich's diazo reaction [医] 欧利希氏重氮反应(检伤寒、麻疹及结核病)
- Aniline, which not only dissolves in water at low ratio but ethanol, aether and benzene at any ratio as well, can take part in halogenating and diazoing reaction. 有碱性，能与盐酸（或硫酸）反应生成盐酸（或硫酸）盐；
- They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
- Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
- Keywords polymethylene polyphenyl polyamine;primary amine;diazo reaction;analytical method; 多苯基多次甲基多胺;伯胺基;重氮化反应;测定方法;
- The sweater had shrunk after repeated washing(s). 这件套头毛衣洗过多次已缩水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
- Answer the following question(s). 回答下列问题。
- Most plural nouns in English end in s'. 英语的复数名词多以s结尾。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- Here are the designs. Which one(s) do you prefer? 这就是那些图样.;你喜欢哪一个[些]?
- Which journal(s) do you subscribe to? 你订阅哪一种杂志?
- The novel had an enormous vogue in the 1930's. 这本小说在三十年代曾广为流传。
- Schur ;revised by Eugene Ehrlich. 题名其余部分: Norman W.
- He earned four A's in the final examinations. 他期末考试四门功课得优。
- It's a challenge," Ehrlich said. 当然在宝宝发烧的时候，我还在玟玟那儿，我没有回来是有错的，你该怎么处置我都接受。
- The Beatles were the pop idols of the 60's. 披头士乐队是六十年代人们崇拜的偶像。
