您要查找的是不是:
- The synthesis of p phthalaldehyde from p xylene by chlorination and catalytic oxidation was studied. The total yield was over 89%, the purity of the product was over 99%. 以对二甲苯为原料,经氯化、催化氧化合成对苯二甲醛,收率大于89%25,质量分数在99%25以上。该工艺提高了产品的收率和纯度
- Keywords N formylmorpholine;benzene;toluene;p xylene;heptane;liquid liquid equilibria; 甲酰吗啉;苯;甲苯;对二甲苯;正庚烷;液-液平衡;
- For the first two fast steps of p - xylene and toluic aldehyde oxidation, the rates decreased with increase of water content. 反应后期的慢反应步骤则随含水量的增加先加快后减缓,出现一个最大值,此时总氧化时间最短。
- 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。
- Clearing agents include benzene and xylene. 透明剂包括苯和二甲苯。
- Oxidation involves the transfer of electrons. 氧化过程涉及电子的转移。
- To transform a metal into a mineral by oxidation. 使矿化通过氧化使金属转化为一种无机物
- Purified terephthalic acid (PTA), produced mainly by the method of air oxidation of xylene, is a raw material for the polyester industry. 精对苯二甲酸是聚酯工业的原料,主要采用对二甲苯空气氧化法生产。
- 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。
- The NO oxidation is autocatalytic. no氧化是自动催化的。
- This is to be done before oxidation takes place. 这要在氧化作用发生以前做。
- They painted a coat of paint to prevent the oxidation of the ship by seawater. 他们刷了一层油漆以防止船只被海水氧化。
- There was no bulk oxidation of the silver. 银不会发生体相氧化。
- Oxidation will make iron and steel rusty. 氧化作用会使钢铁生锈。
- The light now shining on P is called incident ray. 射到P点的光叫做入射光线。
- Application by brush, roll and spray, the thinner is xylene. 该产品可用刷涂、滚涂、喷涂等多种方式施工,稀释剂为二甲苯。
- This be to be do before oxidation take place . 这要在氧化作用发生以前做。