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- Research methods about standard samples of water quality determination of Kjeldahl nitrogen were put forward. 提出了水质凯氏氮标准样品的研究方法。
- Objective: To establish a simple rapid method for determining Kjeldahl nitrogen content by 1st order differential coefficient single sweep polarography. 建立用一阶导数单扫描极谱法测定食品中凯氏氮含量的简单、快速的方法。
- The Willis method and conventional Kjeldahl method are compared by analyzing total Kjeldahl nitrogen in egg yolk pow der, milk powder and soybean. There are no difference between the two results. 还应用 Willis比色法与凯氏定氮法同时测定了蛋黄粉、奶粉和大豆中的氮含量，试验表明两方法测定结果差异不显著。
- Abstract: Digestion process in Kjeldahl nitrogen analysis was optimized by orthogonal test.Application of the optimized Kjeldahl nitrogen analysis in analyzing milk fiber was discussed. 摘 要：采用凯氏定氮法分析牛奶蛋白纤维中的含氮量,尝试以含氮量变化来表征因染整加工引起的纤维中蛋白质组分的变化。
- kjeldahl nitrogen determination method 凯氏定氮法
- automatic kjeldahl nitrogen determination system 凯氏定氮自动分析系统, 凯氏定氮自动化装置
- Keywords urban lake;bottom sludge;total Kjeldahl nitrogen;spatial distribution; 城市湖泊;底泥;凯氏氮;空间分布;
- Keywords single sweep polarography;determination;Kjeldahl nitrogen;foods; 单扫描极谱法;测定;凯氏氮;食品;
- Determination of total nitrogen (Kjeldahl). 英文名称： Soils quality.
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Distribution of Total Kjeldahl Nitrogen in Bottom Sludge of Urban Lake of Ma'anshan City 马鞍山市城区湖泊底泥中凯氏氮的分布
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- Problem And Improvement On The Methods Used Spectrometry -photometry To Determine Kjeldahl Nitrogen 光度法测定凯氏氮存在的问题及修正
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- The factors that cause the nitrogen content on the low side by Kjeldahl nitrogen determination 影响凯氏定氮准确性的因素
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Keywords Scorpion;enzymatic hydrolysis;pepsin;trypsin;Kjeldahl nitrogen method;anti-tumour; 全蝎;酶解;胃蛋白酶;胰蛋白酶;凯氏定氮法;抗肿瘤;
- Keywords Eutrophication;Kjeldahl Nitrogen;Nessler Reagent;Spectral Quantitative Analysis; 富营养化;分光光度法;凯氏氮;纳氏试剂;光谱定量分析;
- The application of kjeldahl nitrogen determination method to the measurement of acrylonitrile content in vinyl chloride- acrylonitrile copolymer 凯氏定氮法在测试氯乙烯-丙烯腈共聚树脂中丙烯腈含量的应用
- Keywords vinyl chloride-acrylonitrile copolymer resin;kjeldahl nitrogen determination method;acrylonitrile;content;determination; 氯乙烯-丙烯腈共聚树脂;凯氏定氮法;丙烯腈;含量;测定;
