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- Formaldehyde and distillation are the nitrogen determination methods in the sample. 甲醛法与蒸馏法是测定样品中氮含量的方法。
- This article evaluated uncertainty of determination by analyzing ammonia nitrogen determination process by Nessler's reagent colorimetric method,some important factors affecting results was obtained. 通过纳氏试剂光度法测定水中氨氮过程的分析,对测定不确定度作出评估,得出影响评定测定结果几种重要因素。
- The amount of protein and the kinds of amino acids in tung oil cake are measured by Kjeldahl-Gunning nitrogen determination method and standard amino acid analysis method respectively. 采用水、醇、酸溶液处理桐粕,分析氨基酸含量,将处理后的桐粕制成复合饲料,并进行成鸡的饲喂实验,观察各方法的脱毒效果。
- This article evaluated uncertainty of determination by analyzing ammonia nitrogen determination process by Nessler's reagent colorimetric method, some important factors affecting results was obtained. 摘要通过纳氏试剂光度法测定水中氨氮过程的分析，对测定不确定度作出评估，得出影响评定测定结果几种重要因素。
- nonprotein nitrogen determination 非蛋白氮测定
- kjeldahl nitrogen determination method 凯氏定氮法
- Kjeldahl-Gunning method for nitrogen determination 基-冈二氏测氮法
- Kjeldahl method for nitrogen determination 基耶达氏测氮法
- automatic kjeldahl nitrogen determination system 凯氏定氮自动分析系统, 凯氏定氮自动化装置
- nitrogen determination apparatus 定氮仪
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- Completely automatic nitrogen determination apparatus 全自动定氮仪
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- People think this problem determination. 人们认为这个问题解决了。
- He confronted his pile of work with determination. 他很坚定地正视这一大堆工作。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Our sales people need determination and drive. 我们的推销人员需要有决心和干劲。
- blood digestion tube for non-protein nitrogen determination 非蛋白氮测定管
- tube for non-protein nitrogen determination, blood digestion 非蛋白氮测定管
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