我们需要降低水中的硝酸盐含量。
硝酸盐在食品加工中被用作防腐剂。
硝酸盐是水和土壤里天然存在的化学物质。
Nitrates are chemicals that occur naturally in water and the soil.
因为大量使用化肥，中西部地区的硝酸盐含量很高。
High levels of nitrate occur in the Midwest because of the heavy use of fertilizers.
大量的硝酸产生了。
即使是元素状态为气体的氮，也通常作为硝酸根离子从土壤中被吸收。
Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.
与其他老鼠不同的是，在基因上无法制造这些特殊细胞的老鼠在感染细菌时不会表现出硝酸盐水平的升高。
Unlike other mice, mice that are genetically incapable of making these particular cells do not show elevated levels of nitrates when infected with bacteria.
过氧乙酰硝酸盐是一种重要的大气污染物。
The peroxyacetyl nitrate is an important atmospheric pollutant.
二甲基吡嗪与苯乙酸，硝酸银和过硫酸铵反应。
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate.
它能水解淀粉，进行硝酸盐还原，能使牛奶胨化，产生硫化氢。
It has the abilities such as starch hydrolysis, nitrate reduction, milk peptonization and H2S production.
硝酸盐和水溶性有机氮随着去离子水的迁移而迁移，并增加了土壤的肥力。
Nitrate and water-soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
有硝酸咪康唑乳霜或栓剂。
硝酸—愈合流血处和开裂处。
这儿水里溶解了，硝酸银。
最后厌氧菌将硝酸盐转化成无害的气体氮。
Then anaerobic bacteria take that nitrate and turn it into harmless nitrogen gas.
亚硝酸盐一般用于加工肉类食品。
好氧菌将氨先转化成氮氧化物再转化成硝酸盐。
Aerobic bacteria chew up the ammonia and turn it first into nitride and then to nitrate.
亚硝酸盐和硝酸盐被认为是强力致癌物。
Nitrites and nitrates have long been recognized as potent carcinogens.
好了，这是硝酸银，而这是氯化钠，我将两者混合。
So I have here silver nitrate and there I have sodium chloride and I mix the two.
硝酸铵加铝粉。
最后他们把电极放在钠硝酸盐电极的溶液中进行沉淀。
Then they immerse this electrode in a potassium nitrate electrolyte solution.
我让已被重铬酸钾硬化的一些脑组织细胞与硝酸银反应。
I let the silver nitrate react with pieces of brain hardened in potassium dichromate.
然后又会转化成加剧全球变暖的亚硝酸氧化物。
It is then converted to nitrous oxide which adds to global warming.
他给了我一瓶硝酸银，告诉我用水调开，每天晚上服用。
He gave me a bottle of 13 silver nitrate and told me to mix it with water and take it every night.
直到最近，科学家才发现硝酸盐是补充能量的真正元素。
Now scientists have learned that nitrates are the true energy-boosting ingredient in the vegetable. Until recently the inorganic chemical was not thought to have any nutritional value.
一些浮游植物可以通过固氮在硝酸盐含量较低的地区生长。
Some phytoplankton can fix nitrogen and can grow in areas where nitrate concentrations are low.
确实，在通古斯卡爆炸冲击波的范围内的雪中发现硝酸盐的存在。
And indeed, nitrates are found in snow around the Tunguska blast.
有一列拉硝酸钠矿石的火车隆隆前行，敞开的车厢上吹起一阵白雾。
I caught up with a nitrate train, chugging along, its open wagons trailing a gauze of white mist.
注意：饮酒可增强硝酸盐的作用、偶尔引起低血压，继而损害反应力。
Caution Alcohol intake may enhance nitrate effects and occasionally induce hypotension with subsequent impairment of reactivity.
伟哥与硝酸盐合用是致命的，尽管后者同样是用于治疗心绞痛的药物。
Viagra can be fatal if used in combination with nitrates, the drugs prescribed to treat heart problems such as angina.
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