air temperature at the time of the exposure
air pressure at the time of the exposure
humidity at the time of exposure
duration of the exposure
第1题:
A、不适宜
B、适宜
C、应该
第2题:
When H2S is burned(flared)on a ship,what can you expect to occur ________.
A.All of the H2S will be converted to SO2
B.All of the H2S will be converted to hydrogen and free sulfur
C.Only 80% of the H2S will be converted to SO2 or free sulfur
D.The H2S not converted will not be dangerous
第3题:
A、H2S≤0.08%P3H≤0.15%
B、H2S≤0.008%P3H≤0.015%
C、H2S≤0.15%P3H≤0.08%
D、H2S≤0.20%P3H≤0.08%
第4题:
变换气中H2S为什么比转化气中H2S含量高?
第5题:
净化水回用的质量控制指标是()。
第6题:
Individuals who have consumed alcohol within 24 hours of exposure to H2S can tolerate ______.
A.unusually large concentrations of H2S
B.smaller than normal concentrations of H2S
C.moderate concentrations of H2S without the usual reactions
D.longer exposure to H2S concentrations
第7题:
由于H2S气体的水溶液呈现酸性,所以不能用碱性干燥剂来干燥H2S气体。
第8题:
此题为判断题(对,错)。
第9题:
天然水中硫化物主要包括(),这些物质都是还原性物质。
第10题:
在其他条件不变时,H2S气量和H2S的浓度的减少会引起燃烧炉的温度降低。