菌根起着固氮和贮氮的作用。
Mycorhizae perform the function of nitrogen fixation and storage.
另外证实了MBR具有同时硝化反硝化机技术脱氮的作用。
Then it was confirmed that the SND technology can be applied in the MBR treatment.
本文首次发现灰铸铁中锰的含量对氮的作用效果有显著影响。
It was found that the content of carbon and manganese have a great influence on the effect of nitrogen.
发生在自然界中，通过某些土壤中的细菌对大气中的氮的作用，和通过闪电将大气中的氮转化成氮的氧化物。
This occurs naturally by the action of certain soil bacteria on the nitrogen in atmosphere, and the conversion of atmospheric nitrogen to its oxides by lightning.
这个被称为空氮的缺陷作用就像是一个传感器，因为它的荧光强度会随着其与磁旋的相互作用而变化。
The defect, known as a nitrogen-vacancy defect, functions as a sensor because its fluorescence intensity is altered by interactions with magnetic spins.
最有名的安眠药是像安必恩，卢内思塔，或松那塔这类的非苯二氮类催眠药，作用在人脑中称为GABA受体的组织上。
The most well-known sleeping pills are the non-benzodiazepine hypnotics like Ambien, Lunesta or Sonata. These drugs affect structures in the brain called GABA receptors.
为控制氮污染，无论过去还是现在，我们都做出了许多尝试。但我们认为最大的挑战还是将现行的政策领域联系起来使它们共同发挥作用。
There have been and still are many attempts to control nitrogen but we believe the big challenge is to link existing policy areas and make them work together.
用过的咖啡渣，通过适量地在土壤中加入氮来对花园产生好的作用。
Used coffee grounds, in moderation, can do wonders for the garden by adding nitrogen to the soil.
氮循环的一个关键组成部分就是——在大气中，将纯净的氮固定为成含氮化合物的形式——这或多或少要完全依赖于生物(闪电仅起一点儿作用)。
One crucial part of this cycle-the fixing of pure nitrogen from the atmosphere into useful nitrogen-containing chemicals-depends more or less entirely on living things (lightning helps a bit).
对美国各地多种土地使用类型的72条排水溪流，比尤利和同事测量了脱氮作用造成的一氧化二氮产生率。
Beaulieu and colleagues measured nitrous oxide production rates from denitrification in 72 streams draining multiple land-use types across the United States.
因为大海里氮的供应是很有限的，更多的氮就可以引起巨大的激化作用。
Because there is only a limited supply of nitrogen out in the open ocean, additional amounts of it can have a huge stimulating effect.
研究结果说明，氮元素对玉米大斑病菌的生长和发育有非常重要的作用。
It was proved that nitrogen played an important role on the growth and development of the corn pathogen.
烟草是中国一种重要的经济作物，而氮是植物必需的矿质养分，研究烟草碳氮代谢规律，对指导烟草的生产具有重要的作用。
Tobacco is an important economic crop, and nitrogen is essential mineral element. Studies on carbon and nitrogenous metabolism of tobacco have important action on tobacco production.
本研究主要得出如下结论：植物在人工湿地系统中有着重要的作用，具有一定的去除氮、磷的能力。
We reach these conclusions:The plant is very important in constructed wetland , and it also have the ability of N , P removal .
换句话说，他司美琼不仅仅只是起到安定和羟基安定这样的苯（并）二氮类药物的镇定作用。
Tasimelteon is not, in other words, merely acting as a sedative in the way that benzodiazepines such as diazepam and temazepam do.
这些直接和间接的作用就是服用苯二氮卓类药物后众所周知地副作用。
These direct and indirect actions are responsible for the well-known adverse effects of dosage with benzodiazepines.
大气中的一氧化二氮污染通常由纤维和其他有机物质的硝化作用产生。
Nitrous oxide pollution of the atmosphere occurs usually from the nitration of cellulose and other organic materials.
氧化亚氮(N2O)是一种对大气环境有很大破坏作用的污染气体，煤的流化床燃烧是其重要来源。
Nitrous oxide (N2O) is a pollutant gas which has very strong destruction influence on atmosphere environment. Coal combustion in fluidized beds is an important resource for N2O.
而优势物种和功能群组成对土壤全氮的影响作用相对较弱。
Contrast to soil available nitrogen, soil total nitrogen was not influenced by the environmental factors.
目的：研究不同浓度的氮酮对复方替硝唑凝胶透皮吸收的作用，并筛选出最佳浓度。
OBJECTIVE: to study the enhancing effects of azone at different concentrations on percutaneous permeation of compound tinidazole gel and to find out the best concentration.
论述了各种不同工艺技术对控制钢中较低氮、氧含量水平的作用。
The effect of all kinds of technique on controlling Nitrogen and Oxygen content in liquid steel to lower level is explained.
氮、磷营养对旱地小麦的作用机理和作用效果并不相同。
The mechanisms and effects of nitrogen and phosphorus on wheat in dryland were different.
结果表明，交流脉冲放电在抑制弧光放电和空心阴极效应方面是非常有效的，对于高铬钢材料表面的离子渗氮作用是明显的。
The results indicate that it has visible effect on restraining arc discharge and hollow cathode discharge as well as ion nitriding on high-chrome steel material surface.
水体与底泥中大量氨化菌可能通过转氨作用产生的氨氮积累在水体中。
A mass of ammonifiers in water body and sediment can make ammonia accumulate in water body through ammonification.
人工植被相对于天然植被对总氮的固定作用更为明显，而对总磷的固定作用劣于天然植被。
The fixation effect of total N in artificial vegetation was more obvious than that in natural vegetation, but it was converse on the fixation effect of total P.
试验表明，复合微生物制剂对改善水质，降低水体中的氨氮具有明显作用。
The results showed that the compound microorganism preparation improved water quality and decreased significantly the ammonia nitrogen in water.
试验表明，复合微生物制剂对改善水质，降低水体中的氨氮具有明显作用。
The results showed that the compound microorganism preparation improved water quality and decreased significantly the ammonia nitrogen in water.
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