英汉例句

• preparation of methyl acetate from methanol and acetic acid by reactive rectification was investigated with concentrated sulfuric acid as catalyst.

  在中试反应精馏塔中以浓硫酸为催化剂进行了醋酸与甲醇反应制备醋酸甲酯的试验。

• a biomass hydrolyzing process for producing glucose was investigated, through concentrated sulfuric acid hydrolysis of wood chips.

  以木屑为研究对象，进行浓硫酸水解，得到产物单糖。

• stress analysis of a big-sized concentrated sulfuric acid cooler with anodic protection;

  分析了阳极保护管壳式不锈钢浓硫酸冷却器管程水垢堵塞的原因。

• the reaction of dark blue between concentrated sulfuric acid and chloroform carotenoids could be qualitative analysis for the rhodotorula glutinis pigment.

  利用浓硫酸与类胡萝卜素的氯仿溶液发生深蓝色的反应可进行红酵母色素组分的定性分析。

• two processes with concentrated sulfuric acid recently appeared are reviewed.

  对新近出现的两个浓硫酸水解工艺进行述评。

• the composition of the catalysis system containing concentrated sulfuric acid and its regeneration method are also investigated.

  对浓硫酸催化体系的组成、再生方法也进行了探索。

• thermal and thermo-oxidative degradation of chitin with ammonium nitrate, ammonium sulfate and concentrated sulfuric acid were studied.

  讨论了硝酸铵、硫酸铵和浓硫酸对自制甲壳素热降解和热氧化降解过程的影响。

• the experimental results show: firstly, the concentration of the concentrated sulfuric acid increases with increased inlet air flux, increased intet air temperature and decreased inlet liquid flux;

  实验研究表明：硫酸浓缩液浓度随空气进口温度的升高、空气进口流量的增大以及稀硫酸进口流量的减小而增大；

• the mole ratio of octanol, hydrobromide, octanol and concentrated sulfuric acid were observed, as well as the impact of time on reaction rate.

  实验重点考察了正辛醇与氢溴酸的摩尔比、正辛醇（文章此处略…）与浓硫酸的摩尔、以及时光分辨对反应产率的影响。

• concentrated sulfuric acid cooler; anodic protection; stress analysis;

  浓硫酸冷却器；阳极护卫；应力剖析；

• bromooctane was synthesized from potassium bromide(by-product of synthesizing 2-hydroxy-4-octyloxybenzophenone) and n-octanol using concentrated sulfuric acid as a catalyst.

  以生产2-羟基-4-正辛氧基二苯甲酮的副产物溴化钾和正辛醇为原料，浓硫酸为催化剂，合成了溴代正辛烷。

• compared with conventional concentrated sulfuric acid catalyst, cc-1 featured much higher selectivity and easier operation.

  与传统的浓硫酸催化剂相比，cc-1催化剂具有更优异的选择性，操作更简便。

• the method comprises the following steps: the entrainer and concentrated sulfuric acid used as a catalyst are added into an esterification kettle at one time, and supplemented intermittently;

  本发明方法包括夹带剂和催化剂浓硫酸一次性加入酯化釜，间歇补充；

• erosions with concentrated sulfuric acid are effective methods for overcoming its impermeability and…

  适度浓硫酸腐蚀法是克服种子不透性，提高发芽率的有效途径。

• the phosphorus content of phytin was determined in molybdate-antimony-scandium color agent after it was digested by concentrated sulfuric acid and perchlorate, with its deviation of no over 5%.

  浓硫酸和高氯酸消解后，用钼-锑-钪复合显色剂测定植酸钙中的磷含量，偏差不超过5%；