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1·Can not be washed with concentrated sulfuric acid.

不能用浓硫酸洗涤。

2·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。

3·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。

4·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。

5·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。

6·The results show that the new steel is much better than RS-2 in corrosion resistance to medium temperature concentrated sulfuric acid.

结果表明，新钢种在中温浓硫酸中，具有比RS-2优越得多的耐蚀性能。

7·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。

8·Bicyclic fused aziridines can generate regioselective ring opening reaction with various alcohols, catalyzed by slight concentrated sulfuric acid.

用醇作溶剂、微量的浓硫酸作催化剂，稠合双环氮杂环丙烷衍生物可发生区域选择性氮杂环开环反应。

9·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。

10·The result showed that if the waste slag compose of 10% fluid and react with low concentrated sulfuric acid, 90% dihydrate plaster would be prepared.

实验表明，将废渣配成10％浓度的浆液与低浓度废硫酸进行反应，可制造含量达90％以上的优质二水石膏。