nitrogen distribution的例句大全

water and nitrogen distribution under subsurface drip fertigation as affected by layered-textural soils

层状土壤质地对地下滴灌水氮分布的影响

field experiment on water and nitrogen distribution for winter wheat under border strip fertigation

冬小麦不同畦灌施肥模式水氮分布田间试验

Nitrogen distribution during thermal conversion of vacuum residue

减压渣油热转化前后的氮分布

Law of active species ( N+, N f) energy distribution with discharge temperature changing at cathode well of nitrogen glow discharge is studied.

采用蒙特卡罗方法，模拟研究了氮直流辉光放电电子碰撞、离解和N+2电荷交换离解过程，产生的活性粒子（N+，Nf）轰击阴极壁的能量分布随放电气体温度的变化规律。

Absorption and distribution of nitrogen, phosphorus and potassium in taro

芋对氮磷钾吸收分配规律的研究

Thermal simulation system can change the distribution of temperature of thermal simulation region by quantity of liquefied nitrogen which was added in, sequentially simulates the different cooling environment. Thermal simulation system is characterized as direct action on the sample and high cooling velocity.

热模拟系统是通过改变液氮的加入量来改变热模拟区的温度分布，从而模拟不同的冷却环境，其特点时直接作用与试样，冷却速快。

In this paper, the structure, phase constituents and distribution of nitrogen in carbon and low alloy steels after compound treatment of soft nitriding and through hardening have been discussed.

本文研究了碳钢和低合金钢气体软氮化后进行整体淬火复合处理工艺时组织，相组成和氨浓度分布的规律。

Model prediction of nitrogen and sulphur distribution in coal's pyrolysis products

煤热解产物中氮、硫分布的模型预测

A study on absorption utilization and distribution of different sources of nitrogen in Tabacco

烟草对不同来源氮素的吸收、利用、分配的研究

The absorption, utilization and distribution of different sources of nitrogen in tabacco with isotope tracer were studied.

本文根据~（15）N示踪技术对烟草吸收不同来源氮素后分配利用的研究，分析了烟草氮素营养的特征。

The results are described as follows: 1. The study suggests that the distribution characteristics and existing forms of nitrogen phosphorus in the overlying water and sediments of Hulun lake, indicating the phosphorus is a limited factor in eutrophication. 2.

本研究取得了如下主要认识：1.确定了呼伦湖上覆水-沉积物系统中氮、磷空间分布特征及赋存形态，并初步判定了该湖富营养化的限制因子。

Nitrogen uptake, distribution by rice and its losses from plant tissues during

水稻对氮素的吸收、分配及其在组织中的挥发损失

Research on the Leakage and Distribution in Soil of Nitrogen in the Condition of Waterlogged Rice Growth

淹水种植水稻条件下氮元素的渗漏及在土壤中的垂直分布

Effects of nitrate/ ammonium ratio on nitrate absorption and distribution of carbon and nitrogen in Pakchoi growing under low light intensity

弱光下硝铵比对小白菜氮吸收和碳氮分配的影响

The distribution of soil nitrogen in farmland was studied by the method of random sampling.

采用田间随机抽样法研究了麦田氮素的空间分布规律。

Temporal-spatial Distribution Characteristics of Nitrogen Dioxide Concentration in Shanghai Ambient Air

上海市环境空气NO2浓度时空分布特征

The influence of different light and temperature conditions inside solar greenhouse of winter spring and autumn winter crops of different seasons in northern China on uptake and distribution of nitrogen, phosphorus and potassium in cucumber was studied.

研究了华北地区秋冬、冬春不同季节茬口日光温室内的不同光温环境对黄瓜氮、磷、钾吸收分配的影响。

distribution of microorganisms related to nitrogen transfer and denitrification ability of the malan loess

马兰黄土中与三氮有关的微生物的分布及其反硝化能力

Absorption and distribution of different form of nitrogen in sweet pepper

甜椒对不同形态氮素的吸收和分配

Vertical Distribution of Canopy Nitrogen and Its Relationship with Grain Protein in Winter Wheat

冬小麦冠层氮素垂直分布特征及其与籽粒蛋白质的关系