The SCR catalytic converter uses the ammonia to transform nitrogen oxide into nitrogen and water.
选择性催化转化器利用氨气把氮氧化物转化为氮气和水。
The membranes were characterized by SEM, TG, nitrogen absorption and gas permeability measurement.
氮吸附和气体渗透性能测试装置对其进行了表征。
Effects of Different Nitrogen Levels on the Nitrate Accumulation and Nutriment Quality of Amaranth
不同氮素水平对苋菜硝酸盐累积和营养品质的影响
Effects of Nitrogen, Calcium, and Light on Glutamine Synthetase and Nitrogen Assimilation in Wheat
氮钙光对小麦谷氨酰胺合成酶和氮同化的影响
Preparation of acellular pertussis challenge strain and analysis of preservation in liquid nitrogen
无细胞百日咳攻击菌的制备及液氮保存方法分析
Effect of dietary nitrogen source structure on nitrogen metabolism and rumen fermentation of Steers
日粮氮源结构对阉牛氮代谢及瘤胃发酵影响的研究
Influence of Basic Tillering and Panicle Proportion on Absorption and Utilization of Nitrogen in Rice
基蘖肥与穗肥比例对杂交水稻氮素吸收利用的影响
Effects of calcium chelator on the nitrogen metabolism and dry matter accumulation in Wheat Seedlings
钙螯合剂对小麦幼苗氮代谢和干物重的影响
Methods Cryopreservation of rats ovary pieces was accomplished by direct plunging into liquid nitrogen.
方法采用液氮直投法冷冻大鼠卵巢组织。
But its return to original state product is mainly the ammonia nitrogen, but is not the ideal nitrogen.
但其还原产物主要是氨氮，而不是理想的氮气。
Effect of Late Foliar Spraying with Nitrogen on the Metabolism of Carbon and Nitrogen of Winteat Wheat.
后期叶面追施氮肥对小麦碳氮代谢的影响
Study of the Nitrogen Fertilization on the Nitrate Accumulation and Mechanism of the Greenery Vegetables
氮肥对绿叶类蔬菜硝酸盐累积的影响及机理的研究
Besides , calcium carbide can react with nitrogen to generate lime nitrogen for agricultural fertilizer.
电石与氮气作用生成石灰氮可作农业肥料。
Fertilizer nitrogen accumulation from topdressing was increased, reducing the amount of basal fertilizer.
积累的肥料氮中，来自追肥的量增加，底肥的量减少。
Here is the atomic nitrogen, here is the atomic nitrogen and these are the orbitals of molecular nitrogen.
这是氮原子，这是氮原子，然后这是氮气的分子轨道。
Effects of Nitrogen and Potassium on Dynamic Accumulation of Lignin and Cellulose in Neosinocalamus affinis
氮钾对慈竹纤维素和木质素动态积累的调控效应
Relationship between grain quality and the accumulation of nitrogen and sulfur in different wheat cultivars
不同小麦品种氮、硫积累特性与子粒品质的关系
The Effect on the Accumulation and Yield of Nitric Nitrogen to the Green Leaf Vegetable Produced by Nitrogen
施氮量对绿叶蔬菜硝态氮的累积和产量的影响
Study on the Nitrogen Diagnosis of Transplanting Maize Recomme nation of Nitrogen Fertilizer as Top Dressing
移栽玉米的氮素诊断及追肥推荐研究
Effects of nitrogen fertilizer on growth and cadmium accumulation in hyperaccumulator of sedum alfredii hance
氮对超积累植物东南景天生长和镉积累的影响
Study on Water and Nitrogen Use Characteristics of Aerobic Rice under Different Water and Nitrogen Conditions
不同水氮条件下旱稻水分与氮素利用特征研究
A Study on the Rule of Accumulation and Transfer of Nitrogen, Phosphorus and Potassium in Plantago asiatica L.
江西道地药材车前中氮磷钾的积累转运规律研究。
Effects of Nitrogen Application on the Forming and Accumulation of Starch and Its Compositions of Spring Maize
氮素用量对春玉米淀粉及其组分形成积累的影响
Effects of Nitrogen Forms and Water Stress on Growth and Nitrogen Accumulation and Distribution of Rice Plants
供氮形态和水分胁迫对水稻生长及氮素积累和分配的影响
The priming effect of nitrogen fertilizer on soil nitrogen was studied by using waterlogged incubation method.
应用淹水培养方法，研究了铵态氮肥对土壤氮素的激发效应。
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