1. Results Major occupational hazards in this project are predicted as lead fume and dust, sulfuric acid, potassium hydroxide, heat stress and noise. 结果该建设项目存在的主要职业病危害因素为：铅烟、铅尘、硫酸、氢氧化钾、高温和噪声，部分岗位铅浓度超标。
2. Potassium hydroxide (KOH): Very caustic chemical. Handle with caution and keep away from skin and clothing. If it spills, rinse with plenty of water. 氢氧化钾（KOH）：强酸性化学药品。小心处理，而且要远离皮肤和衣物。如果溅出，要用大量水冲洗乾净。
3. The high reactive penta-coordinate organic silicon complex was prepared by the reaction of silica and ethylene glycol in the presence of potassium hydroxide. 将高反应活性的五配位硅钾化合物与对苄氯苯乙烯反应，制得苯乙烯基四配位硅（简称四配位硅）单体；
英英解释
n.
1. a potassium compound often used in agriculture and industry
