一九八八年冬,某化工厂排放的废气硫化氢污染环境,导致四人中毒,一老翁当场死亡,另三人经抢救虽生存下来,却都留下不同程度的后遗症,最严重的是一患儿视力明显下降,且不能矫正。这是什么原因呢?原来是患儿在患病期间并发了视神经萎缩。硫化氧县一种常见的工业生产中产生的疲气,亦是某些有机硫化物 In the winter of 1988, hydrogen sulfide discharged from a chemical factory polluted the environment, resulting in four poisonings. One old man died on the spot and the other three survived after being rescued, leaving some degree of sequelae. The most serious one was Children’s visual acuity decreased significantly, and can not be corrected. What is the reason? It turned out that children with concomitant optic nerve atrophy during the illness. Sulfuric oxide County A common form of industrial production, the fatigue, but also some organic sulfides