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- The n butyl gallate was synthesized by esterification of butyl alcohol and gallic acid in catalysis of p methyl toluenesulfonic acid (PTSA) induced by microwaves. 采用微波辐射技术，以对甲苯磺酸（PTSA）作催化剂，没食子酸和正丁醇直接酯化合成没食子酸正丁酯。
- Keywords Barium;Ferroalloy;Dibromo p methyl carboxyazo;Spectrophotometry; 钡;铁合金;二溴对甲偶氮羧;分光光度法;
- methyl quinoline 甲基喹啉
- I mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
- Keywords Dibromo p methyl bromosulfonazo;Barium;Barium titanate;Spectrophotometric determination; 二溴对甲基偶氮溴磺;钡;钛酸钡;光度测定;
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- Keywords spectrophotometric determination;dibromo p methyl methylsulfonazo;sulfate;barium; 光度测定;二溴对甲基偶氮甲磺;硫酸根;钡;
- AB and CD intersect at (the point) P. AB线和CD线在P点相交。
- The time now is 10:00 p, m, sharp. 现在的时间是晚上10点整。
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- A rearrangement reaction of 3 - butylphthalide to 1 - methyl - 5 - carboxyl - tetrahydro naphthalene under the catalysis of A1C13 by hydride transfer was observed. 发现了3-正丁基苯酞在三氯化铝作用下进行重排反应生成1-甲基-5-羧基四氢萘,并提出了氢迁移的重排反应机制。
- The "d" in "grandpa" has been lost by assimilation to "p". "grandpa"中的"d"因受"p"的同化而不发音。
- Construction of methyl alcohol production project. 甲醇生产项目建设。
- Produced from lauryl alcohol and methyl laurate. 以硬酯醇及甲基棕榈。
- Produced from stearyl alcohol and methyl palmitate. 以硬酯醇及甲基二十二。
- Produced from stearyl alcohol and methyl behenate. 可按客户要求生产。
- To combine with the methyl radical. 使甲基化使与甲基根结合
- Methyl silicone oil polysulfonate drilling fluid. 产。甲基硅油聚磺高密度钻井液。
- The light now shining on P is called incident ray. 射到P点的光叫做入射光线。
- CMC Sodium carboxy methyl cellulose (pharma. 羧甲基纤维素钠(药用)
