A second benefit of nitrate nitrogen is shorter, toned growth.
第二个好处就是硝态氮可使植株矮小且强壮。
The final reduction product of nitrate nitrogen is ammonia nitrogen.
硝酸盐氮的最终还原产物为氨氮。
Some commercial laboratories use periodic nitrate nitrogen tests as guides .
许多商业性的试验室已应用定期的硝态氮分析作为指导。
S deficiency can increase the content of ureides and nitrate nitrogen of organs.
缺（低）硫处理器官酰脲与硝态氮增加。
Everybody concerned how to decrease the nitrate nitrogen content in vegetable increasingly.
如何降低蔬菜中的硝态氮含量受到人们日益广泛的关注。
Nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor.
固定床自养反硝化去除地下水中的硝酸盐氮。
Nitrate nitrogen removal from ground water by autotroph IC denitrification in a packed bed reactor.
固定床自养反硝化去除地下水中的硝酸盐氮。
The mycelia well utilized yeast meal and peptone, but not very well nitrate nitrogen and ammonium nitrogen.
在对氮源的利用上，供试香灰菌株对酵母粉、麸皮和蛋白胨的利用较好，对硝态氮和铵态氮的利用较差。
The urban district nitrate nitrogen pollution intensity is bigger than the humanity to move a weaker area by far.
市区的硝酸盐氮污染的强度远远大于人类活动较弱的地区。
Neither ammonium nitrogen nor nitrate nitrogen with high concentration in the medium helped to the growth of bacteria.
培养基中高浓度的氮不论是铵态氮还是硝态氮均不利于菌株的生长；
This paper presented the simultaneously determine the nitrate nitrogen and the nitrous nitrogen in drinking water by UV.
提出了紫外分光光度法同时测定生活饮用水中的硝酸盐氮和亚硝酸盐氮的含量。
As to the whole quality of tobacco leaf, the blend 50% : 50% of nitrate nitrogen and nitrite nitrogen is the advisable choice.
从烟叶总体质量上讲，硝态氮与氨态氮的质量比为50%：50%是可取的肥料配比。
A biomembrane packed bed reactor with sulfur and limestone as solid filling material for removal of nitrate nitrogen was studied.
研究了装填固体填料硫和石灰石的生物膜反应器对水中硝酸盐氮的去除。
The results show that the releases of ammonium and nitrate nitrogen lower in exponential model, under the conditions of water washing;
结果表明，在水冲洗条件下硝酸根和铵根的释放质量浓度呈一阶指数方程降低；
The results indicated that adding DCD significantly increased ammonium content and decreased nitrate nitrogen content at the same time.
赤红壤中添加DCD在同一培养时间均能显著降低土壤较高的铵态氮含量，提高硝态氮含量。
Due to low ap-parent activation energy for reduction of nitrate nitrogen by NZVI, the reduction reaction can be per-formed at normal temperature.
纳米铁还原硝酸盐氮的表观活化能较低，还原反应在常温下即很容易进行；
At the same time, the efficiency of COD removal was 87.24%, which demonstrates the coinstantaneous removing of both organic and nitrate nitrogen.
COD的平均去除率为87.24％，基本实现了同一反应器中有机物和硝酸盐的共同去除。
The nitrate nitrogen makes the vegetable nitrate quickly rising, the ammonium nitrogen especially the ammonia chloride nitrate decrease the nitrate content.
硝态氮使蔬菜硝酸盐含量迅速上升，铵态氮尤其氯化铵硝酸盐增加较少。
Biological tests show that both fertilizers are helpful to improve lawn quality, reduce nitrate nitrogen leaching loss and raise fertilizers utilization rate.
生物试验表明：两种肥料有利于草坪质量的提高，减少土壤中硝态氮的淋失，提高肥料的利用率。
With the same irrigation amount, the increasing of nitrate nitrogen content both in the soil and groundwater has the polynomial correlation with groundwater table.
灌水量相同时，土壤中硝态氮增加量和地下水中硝态氮的增量与地下水埋深成多项式关系。
The measurement of nitrate nitrogen and nitrite nitrogen in seawater has such disadvantages as many disturbing components, long time, poor repeatability and accuracy.
水体中尤其是海水中硝酸盐氮的测定较繁琐，干扰物质多，分析时间长，重现性差，准确性不高。
Coupling effects of water and fertilizers on translocation of nitrate nitrogen in protected land were studied with the design of quadratic orthogonal rotational combinations.
采用二次回归正交旋转组合设计，研究了水肥耦合效应对保护地土壤硝态氮运移的影响。
Nitrogen removal efficiency is significantly influenced by nitrogen form, and total nitrogen removal efficiency is high for the sewage with high proportion of nitrate nitrogen.
人工湿地进水氮形态不同显著影响湿地脱氮效果，较高的氧化态氮比例有利于总氮去除。
The dissolved nitrogen (DIN) concentrations in the Wujiang River basin were much higher than the global average values and the main form of nitrogen was nitrate nitrogen (NO3-N).
乌江流域溶解无机氮含量较世界平均水平高，其主要存在形式为硝态氮（NO_3-N）。
With the nitrogen application, the nitrate nitrogen contents in spinach leaves were only dramatically decreased by Mo application at growth prophase, the (decreasing) amplitude was 21.2%.
施氮条件下，施钼仅显著降低了菠菜生长前期叶片中硝态氮含量，降幅达21 2%。
This paper reports the effect of DCD in seedling stage to soil microorganism of bacteria, mold and actinomycetes, and the concentration changes of both ammonium nitrogen and nitrate nitrogen in soil.
实验研究了双氰胺在玉米苗期对土壤微生物细菌、霉菌和放线菌的影响，及对土壤中铵态氮和硝态氮贮量变化的影响。
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。
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。
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。
The lights prevent production of a particular type of nitrogen-oxide molecule known as a nitrate radical, which forms from reactions of nitrogen dioxide with ozone.
这些照明灯阻止了一种特殊类型的二氧化氮水分子——它被认为是一种硝分子团——的生成，而二氧化氮水分子则是二氧化氮和臭氧的反应物。
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