１９９７年５月１７日，四川省某农药生产基地发生一起四人硫化氢中毒昏迷的意外事故，其中两人经当地医院初步救治仍未清醒，转至本院经治疗后基本痊愈。现报告如下。一、中毒发生经过５月１７日９时３０分，工人李某在全天生产前打开碱罐（含硫化钠残液）排放阀，致使从... May 17, 1997, Sichuan Province, a pesticide production base with four hydrogen sulfide poisoning unconsciousness, of which two were not rescued by the local hospital initial treatment, go to our hospital basically cured after treatment. The report is as follows. First, the poisoning occurred at 9:30 on May 17, the workers Lee opened the entire day before the production of alkali tank (containing sodium raffinate) discharge valve, resulting from ...