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- Keywords solvent;p toluic acid;p tolunitrile;synthesis; 溶剂;对甲苯甲酸;对甲苯甲腈;合成;
- With the mole ratio of p - toluic acid and uren to be 1: 1 .6 and sectionalization heated - shielded,the product yield is 75.6% . 当对甲苯甲酸与尿素的摩尔比为1：1．6，采用分段保温的加热方式，产品收率达75．6%25。
- The improved conditions were: mol ratio of p - toluic acid to urea was 1:16, employing a sectional heating and temperature maintenance technique.The yield was 75. 6% . 当对甲苯甲酸与尿素的摩尔比为1:1.;6;采用分段保温的加热方式;产品收率达75
- Keywords phthalic acid;toluic acid;polarography;determination; 邻苯二甲酸;邻甲基苯甲酸;测定;极谱法;
- Determination of phthalic acid in toluic acid by single-sweep oscillopolarography 单扫描示波极谱法测定邻甲基苯甲酸中的邻苯二甲酸
- Keywords tolunitrile toluidine xylene ammoxidation toluic acid amination tolualdehyde;oximation dehydration synthesis; 甲（基）苯甲腈;甲（基）苯胺;二甲苯;氨氧化;甲（基）苯甲酸;氨化甲（基）苯甲醛;肟化;
- I mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- 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。
- Wang Zhen is the general manager of WINTIM Inc. 王震是问天公司的总经理。
- SATKO Telecommunications Systems Management Inc. 电信系统管理公司。
- toluic acid 甲苯酸
- Computer Associates International Inc. 计算机联合国际公司
- Pan-American World Airways, Inc. 泛美全球航空公司
- Pax World's largest stockholding is Gap Inc. 派克斯世界基金所持有的最多的股票是盖普公司的股票。
- Mc Squared System Design Group， Inc. 提供伴音系统设计、频-录影介绍系统设计和音响设计服务的咨询公司。
- National Baptist Convention, Inc. 全国浸礼会大会
- National Primitive Baptist Convention, Inc. 全国初始浸礼联会
- 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。
