本文总结了石油产品中总氮的测定方法，对石油产品中氮化物的分离分析也作了概括。
In the current paper we summarized the methods for the detecting of the total nitrogen, as well as the separati…
用凯氏定氮法测定总氮含量，研究温度、消化时间及样品用量对野生竹红菌消化过程的影响。
The total nitrogen(N) content was determined with Kjeldahl to study the influences of temperature, digesting time and sample dosage on the course of digesting wild H.
介绍了测定柴油中总氮及碱性氮含量的各种方法。
The methods for determining total nitrogen and basic nitrides content in diesel oil are described.
对水中总磷、总氮的分析方法进行了部分改进，采用联合消解-混合标液法同时测定水中总磷、总氮，取得较好效果。
The analyzing methods of TN and TP in water were improved by combined disintegration and mixed standard solution at the same time. The results indicated excellent efficiencies.
用流动注射仪测定总氮水样，发现用不同的硫酸浓度保存总氮样品时，对其测定结果有一定的影响，并与过硫酸钾氧化-紫外分光光度法进行比对和分析。
In the determination of total nitrogen in water sample by flow injection analysis instrument, the concentration of sulfuric acid which used for the preservation of sample affected the result.
以本方法为工作原理的TN-2000型总氮测定仪可用于地表水质及污水的在线监测。
The Total Nitrogen Analyzer (TN-2000) based on the principle of high temperature oxidation & chemiluminescence can be used in the on-line monitoring of surface water and waste water.
作为负责博士的助手，自主搭建了最为主要的实验装置，在实验期间主要负责COD和总氮两项指标的跟踪测定。
As assistant of responding for professor, I build up the most important experimental installation, chiefly responsible for following and measuring of two item of COD and TN.
我们还对传统的甲醛—硫酸法进行了改良，并将新的甲醛—硫酸法运用于硝酸尿素金属络合物中的酰氨态氮和总氮含量的测定中。
We also improved the conventional formol-H2SO4 titrimetric method, and applied it into the determinations of the contents of amide nitrogen and total nitrogen in urea nitrate metal complexes.
用凯氏定氮法测定总氮含量，研究温度、消化时间及样品用量对野生竹红菌消化过程的影响。
The quality of result of measurement is characterized quantitatively through the analysis of the uncertainty for determination of protein content in the food by Kieldahl method.
用凯氏定氮法测定总氮含量，研究温度、消化时间及样品用量对野生竹红菌消化过程的影响。
The quality of result of measurement is characterized quantitatively through the analysis of the uncertainty for determination of protein content in the food by Kieldahl method.
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