nonprotein nitrogen

The utilization of nonprotein nitrogen by rabbits : a literature review

家兔对非蛋白氮利用研究概况

Effects of Added Nonprotein Nitrogen on Microbial Protein Synthesis in Rumen of Buffalo

添加非蛋白氮对水牛瘤胃微生物蛋白合成的影响

A Study on the Effect of Nonprotein Nitrogen on the Growth of Single-cell-protein-producing Strains

非蛋白氮对单细胞蛋白生产菌株生长影响的研究

Application of nonprotein nitrogen in poultry diets

非蛋白氮在家禽日粮中的应用

Studies on activity of enzymes related to rumen nitrogen metabolism on the diets containing nonprotein nitrogen and formaldehyde-treated protein

在非蛋白氮（NPN）和甲醛处理日粮条件下几种与瘤胃氮代谢有关酶活力的研究

The effect of nonprotein nitrogen on the growth of strains that can produce single cell protein in sweet potato waste is studied in this paper .

主要研究了非蛋白氮对选育的山芋淀粉渣单细胞蛋白生产菌株生长的影响。

This literature presents the nonprotein nitrogen forage additive prepared by isobutyraldehyde and urea throughcondensation reaction under acidic condition .

本文用异丁醛和脲在酸性条件下经缩合反应制得了非蛋白氮饲料添加剂DUIB。

Through to ruminant livestock nutrition physiology the understanding , elaborated how enhances the feed protein and the nonprotein nitrogen in ruminant livestock production the use efficiency .

通过对反刍家畜营养生理的认识，阐述如何提高饲料蛋白质和非蛋白氮在反刍家畜生产中的利用效率。

There were abnormal change of the different degrees and kinds in 80 patients , among them proteinuria was found only in 40 patients , and the retention of nonprotein nitrogen in 11 ones .

80例中仅40例发现蛋白尿，11例氮质潴留。

Results : The content of protein , myofibril protein and myosinogen gradually descend , and nonprotein nitrogen ( NPN ) gradually increase along with the extend of fermented time .

结果：总蛋白质、肌原纤维蛋白和肌浆蛋白随发酵时间延长逐渐下降，非蛋白氮逐渐增加；

Monosodium glutamate wastewater ( MSG-wastewater ) which is wastewater in the process of production of MSG , is a rich source of nonprotein nitrogen , if direct emissions not only caused environmental pollution , and waste of resources .

味精废水是生产味精过程中排放的废液，含有大量的非蛋白氮，若直接排放不仅造成环境污染，也是资源浪费。

The Hydroxymethyl-urea is a new type of nonprotein - nitrogen , feed additive , which contains 39-41 % of nitrogen .

羟甲基尿素是一种新型的非蛋白氮，含氮量为39～41%。