这些微生物可以让土壤中植物生长所需的氮含量增加，在冬天让植物仍保持活跃。
These microbes enable the soil to have more nitrogen, which plants need to live and they remain quite active during the winter.
总氮含量测定采用凯氏定氮法。
Micro - Kjeldahl method was developed to determine total nitrogen.
实验研究了施氮对大豆全氮含量的影响。
Experimental study on the nitrogen of total nitrogen content of soybean.
软化点随氮含量和BI含量的增加而增加。
Softening point increased with the nitrogen content as well as BI content.
钢中氮含量的增加会使弥散强化的作用更加明显。
Increasing the nitrogen content in the steels led to higher dispersion strengthening contributions.
芦苇冬季死亡分解会造成底泥中总氮含量的增加。
The content of TN obviously increased for the death of phragmites communis.
是一种水溶性速效氮肥，氮含量在21.0%以上。
Is a quick water-soluble nitrogen, nitrogen content above 21.0%.
如何降低蔬菜中的硝态氮含量受到人们日益广泛的关注。
Everybody concerned how to decrease the nitrate nitrogen content in vegetable increasingly.
叶片氮含量对叶绿素与可溶性蛋白含量会产生明显的影响。
Leaf nitrogen content induces remarkable effect on chlorophyll and soluble protein content.
各实验组小鼠的尿素氮含量未见明显变化（P>0.05）。
There was no obvious changes of urea nitrogen content in each group (P > 0.05).
籽粒氮含量变化呈“V”型曲线，籽粒氮素积累呈“S”型。
The dynamic change in grain nitrogen content showed a V shape, and S shape in nitrogen accumulation.
三聚氰胺含氮量很高，而绝大多数蛋白质检测仅检查氮含量。
Melamine is high in nitrogen, and most protein tests test for nitrogen levels.
黑心厂家涉嫌将三聚氰胺加入牛奶中以提高牛奶营养指标氮含量。
Unscrupulous producers are suspected of adding it to watered down milk to make it appear more nourishing.
而以硝态氮肥为氮源时，玉米叶片硝态氮含量和全氮含量最高。
In nitrate fertilizer sources, the contents of nitrogen and nitrate in maize were highest.
太多的溢水量使水中氮含量过高，导致游入哥伦比亚河的鲑鱼致死。
Too much spill dissolves too much nitrogen in the river, which can kill migrating salmon.
因此在LF精炼时减小碳和合金加入量可减少钢中氮含量的增加。
Therefore the amount of carbon and alloy addition should be decreased during LF refining to decrease the raise of nitrogen in steel.
研究了粉末颗粒、合成温度、保温时间和气氛对合成产物氮含量的影响。
The effects of particle size, synthesis temperature, holding time and flowing gas atmosphere were studied.
三个林型表层土壤全氮含量季节变化规律明显不同，总体变化幅度都不大。
Total nitrogen contents of surface soil in three forest types changed with seasons distinctly, and overall extents were not big.
因此，我国及世界上许多国家在饮用水标准中对氨氮含量都有严格的限制。
Therefore, our country and many other countries of the world established strict limitation of ammonia-nitrogen in drinking water criterion.
溪水和河水总氮的时间变化趋势一致，且各月河水的总氮含量都高于溪水。
And the content of total nitrogen in the river is higher than that in the brook every month.
对设施土壤中长期施有机肥与氮肥对土壤中碱解氮含量的影响进行了研究。
The influence of application of organic and nitrogen fertilizer on the content of alkali hydrolysable N in fertilities soil was studied.
接种根瘤菌尽管能使大邑黑豆结瘤增加，但是大豆植株的氮含量却有轻微下降。
Even though the inoculation with Rhizobium could increase the nodulation of Dayiheidou, the nitrogen content of the soybean seedlings dropped slightly.
焦化蜡油经溶剂精制后，饱和烃含量提高10个百分点左右，氮含量明显降低。
Saturated hydrocarbons content of CGO been increased by about 10 percent points and the nitrogen content decreased significantly after solvent refining.
结果表明，采用氩气保护使焊缝金属中的氮含量减少，而对氧含量的影响则不大；
The results indicate that argon shielding can reduce the nitrogen content but not influence that of oxygen in the weld metal.
对轮作及大豆、玉米、小麦长期连作白浆土中氮含量及有机态氮组分变化进行研究。
The nitrogen contents and nitrogen forms were studied in albic soil with longterm crop rotation and soybean, maize, wheat continuous cropping.
土壤速效氮含量偏高是烟叶烟碱含量偏高和多数烟叶样品糖碱比偏低的一个重要原因。
One of the major reason of high nicotine in most samples was the high nitrogen content in soil.
土壤速效氮含量偏高是烟叶烟碱含量偏高和多数烟叶样品糖碱比偏低的一个重要原因。
One of the major reason of high nicotine in most samples was the high nitrogen content in soil.
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