1.anaerobic conditions 缺氧条件
The use of sulfates and carbon dioxide requires strictly anaerobic conditions.
使用硫酸盐和二氧化碳时,需要严格的厌氧条件 。
2. hydrogen sulfide硫化氢
The process by which hydrogen sulfide becomes sulfur is complex, and most often occurs when microbes, like bacteria, are present.
氢化硫转变为硫的过程十分复杂,通常是在有微生物(如细菌)存在的情况下才会发生 。
3. drinking water 饮用水
he sensitivity of the test meets WHO standards for detecting the toxin in drinking water.
这种测试的灵敏度满足了世界卫生组织探测饮用水毒物的标准 。