nitrogen的例句大全

This paper studied a new pretreatment sample method for determining the content of Ammine nitrogen of PTA production Sewage.

研究了精对苯二甲酸（PTA）生产污水中杂质对氨氮测定方法的影响，探讨了适合于测定该污水氨氮含量的样品预处理方法。

Improving the Method of Determing the content of ammine nitrogen

污水中氨氮测定方法的改进

The Ammoniacal Nitrogen Content Measuring in Fertilizer Waste Water

化肥厂废水中常量氨氮的测定

Chemiluminescence Determination of Ammoniacal Nitrogen in Natural Waters by Flow Injection Analysis

流动注射化学发光测定天然水中氨氮

Zn and Mo nutrition could also increase protein and nuclear acid contents and NR activity, but decrease nitric nitrogen ( NO3-) and free ammonic acids contents ( FAA) and RNase activity in leaves.

锌钼营养还可提高叶片蛋白质、核酸含量以及硝酸还原酶（NR）活性，并降低游离氨基酸、NO3~-含量和核糖核酸酶（RNase）活性。

The orthogonal tests showed: the effectiveness of the factors on COD removal and ammonic nitrogen removal are characterized as follows: hydraulic load> the ratio of gas and water> the concentration of organic matter.

正交试验的结果表明：各因素对COD去除效果和氨氮去除效果的影响大小依次为：水力负荷>气水比>进水浓度。

But the nitrogen applied to soil ammonification and denitrification will result in the loss.

但是施入土壤中的氮素在氨化作用及反硝化作用下会造成流失。

Changes of Ammonification and Nitrification Intensity of Soil Nitrogen in Tobacco Field

烟地土壤氮素的氨化作用与硝化作用的强度变化

Study on the loss of total nitrogen in ammonified straw

氨化麦秸全氮损失研究

Pete Angevine, who helped found Little Baby's Ice Cream, says he liked that idea so much that the company plans to test it by experimenting with liquid nitrogen at NextFab, a Philadelphia maker space.

帮助创办了Little Baby's Ice Cream的彼得·安杰文（Pete Angevine）说，他非常喜欢这个主意，公司计划在费城的创客空间NextFab用液态氮进行实验，测试这一方法。

Dextrose and maltose was the best carbon source, while asparagine ( Asn) was the optimum nitrogen source for both hypha growth and spore bearing.

葡萄糖和麦芽糖为菌丝生长和产孢的最佳碳源。天冬酰胺是菌丝生长和孢子产生的最佳氮源。

SYNTHESIS OF THE NOVEL NITROGEN AND SULFUR ASHLESS ADDITIVES AND THEIR LUBRICITY Effects of the Addition of Novel Oxygen Storage Components in Pd/ γ-Al_2O_3 Catalysts on the Catalytic Performance

新型氮硫无灰添加剂的合成及润滑性考察新型储氧材料的添加对全Pd催化剂性能的改善

It grows well in Ashby nitrogen-free culture medium, thus having broad prospects for use.

该菌株在阿须贝无氮培养基上生长良好，具有良好的应用前景。

Taken from fetus of non-plan-birth in aseptic condition, limb and costal cartilages were used in 38 clinical cases after being frozen at-80 ℃ and preserved in-196 ℃ liquid nitrogen with 15% dimethylsulfoxside ( DMSO) as cryoprotective agent.

在无菌条件下切取计划外生育引产胎儿的四肢及胸肋部软骨，应用于临床38例。将切取的软骨经15%的二甲基亚砜（DMSO）为低温保护剂。

The crux of the matter was a lack of nitrogen.

问题的关键在于缺少氮.

The content of nitrogen in alloy constructional steel was rapidly determined by photoelectric spectrometer.

本文叙述了用光谱仪快速定量分析合金钢中的氮.

Hydrotreating is an effective method of removing sulfur, nitrogen and arene from petroleum products.

催化加氢精制是降低石油产品中硫、氮及芳烃含量的有效方法。

Simulation Models on Nitrogen Nutrient and Grain Quality after Anthesis in Barley

大麦花后氮素养分和品质的动态模拟

A case of multiple cherry angiomas after topical nitrogen mustard

外用氮芥酊后出现多发性樱桃状血管瘤

The sensitivity of these four consortia to the inhibition of REEs was in an order: bacteria decomposing cellulose ammonifying bacteria nitrifying bacteria nitrogen fixation bacteria.

4种土壤微生物生理类群对混合稀土抑制敏感性依大小排序为：纤维素分解菌氨化细菌硝化细菌自生固氮菌。