Kjeldahl method

Micro - Kjeldahl method was developed to determine total nitrogen .

总氮含量测定采用凯氏定氮法。

The Application to Protein Determination by Strengthened Kjeldahl Method

强化凯氏定氮法在蛋白质测定中的应用研究

Relationships Between Total Nitrogen Determined by Kjeldahl Method and Nitrogen Fixed by Soil Minerals

凯氏全氮与固定态铵之间的关系

Comparison of Determining the Soil Total Nitrogen Concentration with a Continuous Flow Injection Analyzer and Kjeldahl Method

流动注射法与凯氏定氮法测定土壤全氮的比较

Study of Semi-Micro Kjeldahl Method to Determine Crude Protein

半微量凯氏法测定粗蛋白样品的处理法研究

The determination of proteins is usually done by Kjeldahl method and Londing method .

蛋白质的测定方法有凯氏法和隆丁法。

Comparing this method with the traditional kjeldahl method , the result is satisfactory , this method is quick and accurate .

与经典凯氏法比较，测定结果令人满意，且该方法快速、准确。

Rapid determination of total nitrogen in soy sauce by Kjeldahl method with micro-wave heated sample digestion

微波消解凯氏定氮法快速测定酱油中全氮

The results had no remarkable difference by t test between indophenol-blue colorimetry and kjeldahl method .

其结果与凯氏定氮法所测结果经t检验无显著差异。

The percentage of collagen peptide was calculated from the nitrogen content of gelatin determined by the Kjeldahl method .

采用凯氏定氮法测定了明胶中胶原多肽的含量。

The factors of the influence on the synthesis reaction were discussed and the content of N element was tested by the Kjeldahl method .

通过红外光谱测试分析，表征了胺基的存在，通过克达尔定氮法进一步测定了氮含量，并探讨了反应的影响因素。

The result of analysis is identical with Kjeldahl method , and this method is simpler and more rapid than Kjeldahl method .

方法快速，操作简便，分析结果与凯氏法一致。

On Coomassie brilliant blue method and Kjeldahl method for the study methodology , the indicators are to meet the requirements .

对考马斯亮蓝法和凯氏定氮法进行了方法学考察，各项指标均达到要求。

This electrode has been initially used in determining some practical samples and the results of the determination coincides with that of Kjeldahl method .

该电极已初步用于实际样品的测定，结果与凯氏法吻合。

Digestion of soy sauce sample by heating with microwave was studied and used in combination with the Kjeldahl method for determination of total nitrogen .

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。

For the acid eluent , cobalt ion content was tested by atomic absorption and ligand content were determined by the Kjeldahl method .

用原子吸收法测定洗脱液中钴离子的含量，用凯氏定氮法测定配体的含量。

Melamine lawless elements will be added to the raw milk , the drill is the Kjeldahl method of loopholes in the milk protein content .

不法分子将三聚氰胺添加到原料奶中，钻的是凯氏定氮法测定奶粉蛋白质含量的漏洞。

Ion exchange resin was used to exchange the ammonium in the starch phosphate-carbamate , and then Kjeldahl method was used to determine the content of amide .

通过氢型阳离子交换树脂与磷酸-氨基甲酸淀粉酯中的铵根离子进行交换，再结合凯氏定氮法可分别对两部分氮元素定量。

Kjeldahl method ( KM ) and elemental analyzer method ( EA ) are commonly used in measuring TN. Their difference , however , is often overlooked .

凯氏蒸馏法和元素分析仪法作为常规方法通用于上述领域的全氮含量测定，但两种方法在实际应用中的差异却常被忽视。

Total solvable peptide content in the fermented fishmeal was determined by using the biuret method , and polypeptide in the precipitate by using Kjeldahl method .

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。

For Endothelium Corneum Gigeriae Galli , through Kjeldahl method , we measure the content of nitrogen in the endothelium .

对于鸡内金，我们通过凯式定氮法对鸡内金中的氮含量进行了测量。

The simulated test mainly simulates the basic situation of the farmland , determines the content of nitrogen in soil drench solution , and adopts semi-micro Macro Kjeldahl method .

模拟试验主要模拟农田的基本情况，测定土壤淋溶液中氮的含量，采用半微量开氏法。

Only using standard sample of milk powder , Lowry method could accurately determine protein content of milk powder and all the results were not statistically different from those obtained by the Kjeldahl method .

福林-酚法只有采用已知乳粉标样制备的曲线，才能准确测定乳粉中蛋白质含量，测定结果与国标法没有显著差异。

The effects of HAT , catalyst NaOH , temperature and reaction time on degree of substitution ( DS ) were investigated . DS of CFG was determined through micro Kjeldahl method .

研究了HAT、催化剂NaOH、反应温度和反应时间对合成阳离子香豆胶（CFG）的影响，用凯氏定氮法测定了CFG的取代度。

The method has a high precision ( RSD 0.38 % ), and fair reclamation ( 97.0 % ~ 101 % ) . The results obtained by this method agree well with those obtained by the kjeldahl method .

该方法精密度高（RSD为0.38%），结果准确，与国标凯氏法基本一致，回收率为97.0%～101%。

Everyday food-intake and every-week body weight of the rats were measured , and nitrogen content of the collecting 72 h-excrements were determined by Kjeldahl method after 7 weeks .

记录每天大鼠的进食量，并且每周测量体重变化，实验七周后收集72小时粪便，用凯式定氮法测定大鼠粪氮含量。

Experiment result of brown ring , diphenylamine and Kjeldahl method confirm that SN accelerate the esterification of BTCA with cellulose , and without consumption and character change itself in the whole reaction .

并且由棕色环、二苯胺和克氏定氮实验结果表明：硝酸钠在反应前后既没有消耗也没有发生性质的改变，只是在体系中起到了加速BTCA与纤维素酯化反应速率的作用。

The dyeing process of bean protein fibers was optimized by the use of the Kjeldahl method of nitrogen determination and with regard to the nitrogen content change which symbolized the protein content of the bean protein fibers .

运用凯氏定氮法对大豆蛋白纤维的染色工艺进行优化，根据处理前后氮质量分数的变化来表征大豆蛋白纤维中蛋白质质量分数的变化情况。

In this paper , we use the date of fat through extraction apparatus according to Sonne 's method and date of protein by nitrogen determination apparatus according to Kjeldahl method to get the energy coefficient of increase and decrease .

在本文中，将通过索氏抽提法得到的中途停歇地红颈滨鹬累积的脂肪量数据与通过凯氏定氮法得到的蛋白质量数据汇总，共同讨论能量物质系数的增减变化。

Using Kjeldahl method , spectrophotometric method , atomic absorption spectrometer to determine respectively the amounts of protein , P , Ca , Fe and Zn , the aim is to compare the nutrient difference among the black rice , red rice and common rice .

用凯氏定N法、分光光度计及原子吸收仪分别测定蛋白质、P及Ca、Fe、Zn的质量分数，目的是比较黑米、红米、与普通稻米的营养差异。