说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 改进的凯氏定氮法
1)  improved Kjeldahl method
改进的凯氏定氮法
2)  Kjeldahl
凯氏定氮法
1.
Several Problems for Determining Protein by Kjeldahl;
关于凯氏定氮法测定蛋白质的几个问题
2.
The Kjeldahl is a general analysis method for determining nitrogen in rubber.
凯氏定氮法是测定橡胶中氮含量的常规分析方法。
3.
[Method] 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.
[方法]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。
3)  Kieldahl method
凯氏定氮法
1.
Kieldahl method and Spectrophotometry method are improved for the determination of protein in Wandashan milk powders.
采用凯氏定氮法和光谱法分析测定完达山奶粉系列中蛋白质的含量。
2.
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.
通过对凯氏定氮法测定食品中蛋白质含量的测量不确定度分析,对其标定结果的质量进行了定量表征。
4)  Kjeldahl method
凯氏定氮法
1.
Determination of the protein content in a water-soluble polysaccharide of caput-medusa of Ganoderma tsugae Murr by Kjeldahl method;
凯氏定氮法测定松杉灵芝子实体水溶性多糖中蛋白质含量
2.
Determination of protein content in a alkaline-soluble polysaccharide of Beer Yeast by Kjeldahl method;
凯氏定氮法测定啤酒酵母碱溶性多糖中蛋白质的质量分数
3.
Digestion of soy sauce sample by heating with microwave was studied and used in combination with the Kjeldahl method for determination of total nitrogen.
研究了凯氏定氮法测定酱油中全氮时样品的微波消解方法,进行了微波消解条件的选择及消解结果精密度试验,并与国家标准方法对比,验证了方法的准确度。
5)  Kjeldahl determination
凯氏定氮法
1.
METHODS:TLC was employed to for the qualitative identificaiton of Radix et Rhizoma Rhei,Leech and Fructus Arctii;the content of total nitrogen was determined by KjeLdahL determination and content of Chrysophanol in Radix et Rhizoma Rhei in Huangzhi oral liquids was determined by HPLC.
方法:采用薄层色谱(TLC)法对黄蛭口服液中的大黄、水蛭、牛蒡子进行定性鉴别,以凯氏定氮法测定制剂中总氮含量,以高效液相色谱法对其主药大黄中的大黄酚进行含量测定。
2.
In this experiment, the content of protein was assayed by biuret method and Kjeldahl determination.
本实验用凯氏定氮法和双缩脲法测定饲料中蛋白质含量作对比实验,结果表明:这两种方法所得实验结果差异较大,双缩脲法测得结果较凯氏法低约15。
6)  Micro-Kjeldahl method
凯氏定氮法
1.
The content of protein in leaves(based on dried leaves) of seventeen kinds of important exotic plants in the east of Guangdong province,were determined by Micro-Kjeldahl method.
用凯氏定氮法测定了粤东地区17种重要的外来植物粗蛋白含量。
2.
Following the international standard method of protein mensuration——Micro-Kjeldahl method,the crude protein content between the native egg and the egg-hen egg was determined.
利用国际上通用的蛋白质测定的标准方法——凯氏定氮法,对土鸡蛋与蛋鸡蛋蛋清中的粗蛋白含量进行测定,并经过t检验后,得到了两者无显著差异的结论。
补充资料:凯氏氮
分子式:
CAS号:

性质:指以凯氏(Kjeldahl)法测定的水中所含各种形态的氮,包括铵态氮和在凯氏法测定条件下能转化为铵态氮的有机氮化合物,主要是蛋白质、氨基酸、胨、核酸、尿素及其他氮为-3价态的有机氮化合物。不包括硝酸盐氮、亚硝酸盐氮及硝基、亚硝基、叠氮、联氮、偶氮、肟、腙等化合物中的氮。水中凯氏氮的含量是监测和控制水环境污染的主要指标之一,中国地面水环境质量标准对各类水域中凯氏氮的最高允许浓度作了明确规定。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条