总氮含量测定采用凯氏定氮法。
Micro - Kjeldahl method was developed to determine total nitrogen.
用凯氏定氮法测得此条件下的蛋白质的水解率可达80.7%。
The protein hydrolysis ratio in this condition determined by Kjeldahl nitrogen method had reached 80.7%.
经t检验证明，该方法的测定结果与微量凯氏定氮法无显著差异，测定结果的相对标准偏差为3.1%。
There is no significant difference between the result of the method and that of micro-Kjeldahl′s method according tot test. The relative standard deviation is 3.1%.
凯氏定氮法是一种经典的测量物质中氮含量的方法，介绍了一种采用凯氏定氮法的全自动定氮仪，阐述了它的工作原理以及软硬件设计。
Kieldahl's method is a classical technique to measure the nitrogen content in organism. It is introduced for an instrument's principle, software and hardware designs.
经数理统计分析结果表明：近红外法与常规水分测定法、经典凯氏定氮法、索氏浸提法所测定的结果呈密切的线性相关，检测结果令人满意。
The results indicated it is satisfactory because closed linear correlation on the data of determination of moisture protein and rude fat by NIR and traditional methods.
用双缩脲反应法可以测出发酵鱼粉中水溶性总肽的含量，用凯氏定氮法可以测出被沉淀的多肽的含量，从而可以计算出发酵鱼粉中寡肽的含量。
Total solvable peptide content in the fermented fishmeal was determined by using the biuret method, and polypeptide in the precipitate by using Kjeldahl method.
应用KDY-9820凯氏定氮仪测定羊肉中挥发性盐基氮，通过与半微量定氮法对比及精密度实验，结果表明KDY-9820全自动定氮仪能简便、快速、准确地测定肉中的挥发性盐基氮。
TVB-N of mutton was analysed by KDY-9820 type automatic azotometer, through compared with kjeldahl and studied the precision, accuracy and inaccuracy of KDY-9820 type automatic azotometer.
应用KDY-9820凯氏定氮仪测定羊肉中挥发性盐基氮，通过与半微量定氮法对比及精密度实验，结果表明KDY-9820全自动定氮仪能简便、快速、准确地测定肉中的挥发性盐基氮。
TVB-N of mutton was analysed by KDY-9820 type automatic azotometer, through compared with kjeldahl and studied the precision, accuracy and inaccuracy of KDY-9820 type automatic azotometer.
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