The dissolved oxygen had greater effects on heterotrophic bacteria,ammonifying bacteria and nitrifying bacteria.
溶解氧对异养细菌、氨化细菌、
化细菌有较大影响。
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A Chemist and Biochemist who has published relevant research in several journals like the American Journal of Physiology, Dr. Mark Miller, says that nitrate and nitrite are not nitrosating species, that is, these molecules cannot directly form cancer causing nitrosamines.
在《美国生理学杂志》等期刊上发表过相关研究的化学家和生
化学家马克·米勒博士说,硝酸盐和亚硝酸盐不是亚硝化
质,也就是说,这些分子不能直接形
致癌的亚硝胺。
Nobel named his creation dynamite, and it turned out that the ingredient that made a deadly explosive had another life-saving property, hinted at when workers in dynamite factories noticed that coming into contact with nitroglycerine seemed to ease chest pains.
诺贝尔将他的发明命名为炸
,事实证明,制造致命炸
的
分具有另一种拯救生命的特性,炸
工厂的工人注意到,接触硝化甘油似乎可以缓解胸痛。
When I think of all the victims killed during nitroglycerine explosions, and the terrible havoc that it has wreaked, which in all probability will continue to occur in the future, I am almost ashamed to admit to being its discoverer.
当我想到所有在硝化甘油爆炸中丧生的受害者,以及它所造
的可怕的破坏,这种破坏将来很可能还会继续发生时,我几乎羞于承认自己是它的发明者。