含氮物质

实验表明，投加载体后，实验体系中含氮物质的去除效率明显提高；

The results show that adding porous carrier particles significantly increases the nitrogenous compounds removal rate .

粘性分泌液中的含氮物质，保护体表的润滑剂。具腺毛状体的影响依赖于分泌物的性质。

A nitrogenous substance found in mucous secretions ; a lubricant that protects body surfaces . The effect of glandular trichomes may depend on the nature of the exudate .

而侵入岩中的N2含量和氮同位素组成更多地反映了地壳中含氮物质浓度及同位素组成特征。

But for the intrusive rocks , the nitrogen content and isotope compositions better reflect the content and isotope compositions of nitrogen-bearing matter in the crust .

对沙虫干抽提物成分的组成进行的研究结果表明：游离氨基酸含量w为10.3%，占抽提物含氮物质的77.9%。

Extractive components of the dried sha chong ( Sipunculus nuclus ) were studied in this paper . The experimental results indicate that its free amino acids content is 10.3 % , which form 77.9 % of total nitrogen containing extractive .

有机氮是大气中含氮物质的重要组成部分。

Organic nitrogen is a quantitatively important component in the atmospheric deposition .

氨氮等含氮物质是水体污染的主要物质。

Ammonia nitrogen is the main factors of water pollution .

本试验以香菇为原料，对微波法提取香菇含氮物质的工艺进行了研究。

The nitrogenous substances-extracting technology by microwave from Lentinus edodes was studied .

青山羊尿能及尿中含氮物质排出量的相关性研究

The study of relations between the urinary energy and nitrogen-containing Excreta for Black Goats

池塘淤泥中细菌对含氮物质转化效率的研究

Study on the Conversion Efficiency of Nitrogenous Matter by the Bacteria in Pond Silt

国家标准规定的乳粉蛋白质测定方法是基于凯氏定氮法，因此理论上任何含氮物质的加入均折算成为蛋白质含量。

Determination of protein content of milk powder which is constituted by government standard is based on the classical Kieldahl method .

目的：建立非蛋白质类含氮物质对测定结果无干扰的乳与乳制品中蛋白质的快速测定方法。

A rapid quantitative method for determination of β - lactoglobulin in milk and dairy products by SDS-PAGE electrophoresis has been developed .

它们不仅可以对饲料纤维、淀粉进行降解，日粮蛋白质也是它们的发酵底物之一，此外，内源性的含氮物质和日粮中添加的氮源物质都可被它们代谢利用。

They can make use of dietary fiber , starch and protein through degradation . Moreover , endogenous nitrogen source and additional nitrogen source are utilized by them .

瘤胃原虫是瘤胃微生物的重要组成部分，它们直接影响饲料中碳水化合物、含氮物质、矿物质和维生素的消化和利用。

The ruminal protozoal is the important component of the ruminal microorganism . They influence the digestion and utilization of carbohydrate , nitrogenous material , mineral and vitamin in feed directly .

其次，解决酸沉性含氮物质的掺假，以酪蛋白作为检测掺假的指标，本文首次提出通过测定乳及乳制品中酪蛋白磷的含量，经系数换算得出酪蛋白含量，从而判断乳品掺假。

This paper use the result of pHospHorus content in casein of milk and dairy products for the first time to judge whether the dairy adulterated by acid sinking of nitrogenous substance .

有机氮是气溶胶中含氮物质的重要组成部分，在大气氮循环及对海洋生态系统的影响方面具有重要意义。

Organic nitrogen is an important component of nitrogen-containing compounds in atmospheric aerosols , and might have a significant influence on the nutrition budgets of marine ecosystem and the global nitrogen cycling .

酶解产物的主要成份是含氮物质，占总固含物的91.0%，为肽和少量游离氨基酸的混合物。

The main components of the enzymatic hydrolysate are nitrogen-containing substances , which are mixtures mainly composed of polypeptides with smaller quantity of free amino acids and account for 91.0 % of the solid matter .

各种含氮天然物质及化学试剂的同位素分析

A preliminary survey of the isotopic abundance of nitrogen in materials from various sources in China

综述了活性炭材料的热处理、表面含氧含氮官能团、表面碱性基团、表面负载金属及其化合物以及含氮或含碘物质的掺入对其脱硫活性的影响。

Several factors affecting desulfurization activity on AC materials including heat treatment , oxygen groups , nitrogen groups , basic groups , metals and their compounds loading and incorporation of nitrogen or iodine substances were ( summarized ) .

气-质联用色谱仪分析鉴定结果表明，产物中含20种与酱香风味相关的化合物，其中主要由脂肪酸类（特别是乙酸）和少量含氮杂环物质构成的。

GC-MS analysis identified 20 components related to sauce flavor , of which acetic acid and a few heterocyclic compounds are important meat-flavor components .