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- 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 solvent;p toluic acid;p tolunitrile;synthesis; 溶剂;对甲苯甲酸;对甲苯甲腈;合成;
- 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;
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- Hardware Design of a High Speed Para. 高速并行图形系统硬件设计。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- Laura coge dinero del bolso para la gitana. 劳拉从口袋里拿出了钱，以打发这个吉普赛人。
- She dropped acid in high school. 她高中时代服迷幻药。
- El padre no encuentra fuerzas para ser severo. 父亲没有板起面孔。
- The metal is fretted with the acid. 金属被酸腐蚀。
- Richard Clayderman - Balada para Adelina (1998)... 理查德.克莱德曼-给爱德琳诗...
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- O que ele fez? Ele ligou para seu amigo. 他 做 什 么 了？ 他 给 朋 友 打 电 话 了。
