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硫化氢(化学式为 H_2S)为具有腐蛋臭的无色剧毒气体,是多种化学工业副产品.污水沟及下水道中亦有少量存在;在腌渍池、密闭式粪坑中浓度较高.如吸入浓度为700毫克/米~3持续15分钟以上,即可发生昏迷、呼衰、肺水肿.如抢救不力.即死亡。本县兴隆公社5大队某队的公有粪池,密闭达1年余,1979年7月7日5名青壮年社员由斜面60°、长约7米的地下通道鱼贯入内开口。前3人当即晕倒于地,第4人站立不稳,最后1人胸闷、头晕,退出呼救。半小时后全部被抬送医院,一人死于途中,另一青年入院时口唇重度发绀、昏迷、
Hydrogen sulfide (chemical formula H 2 S) is a colorless and toxic gas with a rotten egg smell, and is a by-product of a wide range of chemical industries. There are also a few existing in sewage ditches and sewers; in pickling ponds and closed pit, Concentration of 700 mg / m ~ 3 for 15 minutes or more, you can coma, respiratory failure, pulmonary edema, such as rescue ineffective. The public septic tanks of a certain team of the 5th Brigade of Xinglong Commune in this county were confined for more than one year. On July 7, 1979, five young members of the youth group consisted of an underground channel fish with a slope of 60 ° and a length of about 7 meters. The first three immediately fainted to the ground, the fourth person standing firm, the last one chest tightness, dizziness, withdrawal for help. Half an hour later all were carried to the hospital, one died on the way, the other young hospitalized lips severe cyanosis, coma,