High levels of nitrate occur in the Midwest because of the heavy use of fertilizers.
因为大量使用化肥，中西部地区的硝酸盐含量很高。
Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.
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。
The peroxyacetyl nitrate is an important atmospheric pollutant.
过氧乙酰硝酸盐是一种重要的大气污染物。
It has the abilities such as starch hydrolysis, nitrate reduction, milk peptonization and H2S production.
它能水解淀粉，进行硝酸盐还原，能使牛奶胨化，产生硫化氢。
Nitrate and water-soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
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。
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate.
二甲基吡嗪与苯乙酸，硝酸银和过硫酸铵反应。
Ammonium nitrate and powdered aluminum.
硝酸铵加铝粉。
Miconazole nitrate may be used during pregnancy.
硝酸咪康唑可用于妊娠期感染。
And silver nitrate is occasionally used to treat warts and corns.
而硝酸银可偶尔用于治疗疣和鸡眼。
The final reduction product of nitrate nitrogen is ammonia nitrogen.
硝酸盐氮的最终还原产物为氨氮。
Then they immerse this electrode in a potassium nitrate electrolyte solution.
最后他们把电极放在钠硝酸盐电极的溶液中进行沉淀。
Then anaerobic bacteria take that nitrate and turn it into harmless nitrogen gas.
最后厌氧菌将硝酸盐转化成无害的气体氮。
Pollutants from fertilizer runoff, such as nitrate and nitrite, are also removed.
另外一些污染物例如硝酸盐及亚硝酸盐化肥残留物，也都被清除了。
So I have here silver nitrate and there I have sodium chloride and I mix the two.
好了，这是硝酸银，而这是氯化钠，我将两者混合。
I let the silver nitrate react with pieces of brain hardened in potassium dichromate.
我让已被重铬酸钾硬化的一些脑组织细胞与硝酸银反应。
Aerobic bacteria chew up the ammonia and turn it first into nitride and then to nitrate.
好氧菌将氨先转化成氮氧化物再转化成硝酸盐。
Silver nitrate is an important laboratory reagent for performing chemical analyses.
硝酸银是进行化学分析的一种重要的实验试剂。
Some phytoplankton can fix nitrogen and can grow in areas where nitrate concentrations are low.
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。
I caught up with a nitrate train, chugging along, its open wagons trailing a gauze of white mist.
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。
He gave me a bottle of 13 silver nitrate and told me to mix it with water and take it every night.
他给了我一瓶硝酸银，告诉我用水调开，每天晚上服用。
He says farmers may be able to better control the amount of nitrate fertilizer they put on fields.
他说，农民们也许能够更好地控制他们投放到田地里的氮肥总量。
Nitric oxide (NO) content in pulmonary tissues was determined using nitrate enzyme reduction method.
同时用硝酸还原酶法测定肺动脉组织一氧化氮(NO)含量。
Do not recommend the use of low molecular weight in ketones, esters and mixtures containing nitrate.
不建议使用于酮类、低分子量的酯类及含硝的混合物。
The scattered blue particles are cupric nitrate and zinc nitrate, a byproduct of the chemical reaction.
略带蓝色的部分是硝酸铜和硝酸锌，一种化学反应后的产物。
Is mainly composed of calcium magnesium sulfate, chloride and nitrate as the hardness of the form salts.
主要是由钙镁的硫酸盐、氯化物和硝酸盐等盐类所形成的硬度。
The method is proved effective through application in the project of abstracting potassium nitrate from seawater.
经过在海水提钾工程中的实际运行，证明系统的控制效果良好。
Caution Alcohol intake may enhance nitrate effects and occasionally induce hypotension with subsequent impairment of reactivity.
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。
The growth of plankton in the sea is always limited by something. It may be light, or a familiar nutrient such as nitrate or phosphate.
海洋浮游藻类的生长总是受到一些东西的限制，这些东西可能是光，也可能是相似的营养物质比如硝酸盐或者磷酸盐。
NO2 is the main source of nitrate aerosols, which form an important fraction of PM2.5 and, in the presence of ultraviolet light, of ozone.
二氧化氮是硝酸盐气溶胶的主要来源，构成PM 2.5和在紫外线下臭氧的主要部分。
Low oxygen levels encourage the growth of bacteria that destroy nitrate - a vital nutrient for the ocean's microscopic plants, or phytoplankton.
低含氧量导致细菌滋长，这些细菌会破坏硝酸盐——海洋微生物及浮游植物的重要营养物质之一。
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