Acid intensity of hydrosulfuric acid and stepwise ionization balance were discussed by the use of thermodynamic principle, which are helpful to inorganic chemistry teaching.

摘要本文应用热学原理对氢硫酸的强度及逐级电离平衡讨论，有助于无机化学学和学生学习。

This paper introduces experiment clearing away hydrosulfuric and mercaptan in waste gas from industry and o-zone, retention period, catalyzer and so on influence on removal rates.

介绍化法去除工业废气中的硫化氢、硫醇的试验情况,考察浓度、停留时间和催化剂等不同因素对去除率的影响。