We should select essential amino acids as nitrogen source.
以必需氨基酸为氨源。
The effect of nitrogen source on the sporulation was complex.
氮源对孢子产生的影响较为复杂。
Adding nitrogen source can promote its growth and degradation.
加入氮源能促进生长和苯酚降解。
The optimum nitrogen source is urea, next is peptone or yeast extract.
氮源中尿素最好，其次为蛋白胨和酵母膏；
There was little growth apparent when ammonia as a sole nitrogen source.
当氨作为唯一的氨源时，它对细菌的生长无刺激性。
The best carbon source is maltose. The best nitrogen source is asparagine.
最佳碳源为麦芽糖，最佳氮源为天门冬素；
The best carbon and nitrogen source were glucose and beef extract respectively.
最佳碳氮源分别为葡萄糖和牛肉膏。
The optimum carbon source was glucose and peptone as the optimum nitrogen source.
葡萄糖，蛋白胨是两菌株发酵产酶较好的碳、氮源。
Hydorlyzed cottonseed protein can be used as the nitrogen source of fermentation medium.
棉籽水解蛋白可作为菌体发酵氮源。
Results show that carbon source, nitrogen source affected plasmid DNA yield significantly.
实验结果表明：碳源、氮源对质粒dna产量有明显的影响。
Result:The results showed that suitable nitrogen source rate can improve level of fermentation.
结果：试验表明，合适的氮源比例能够提高发酵水平。
Lactose is also identified as the best carbon source while asparagine the best nitrogen source.
同时确定了乳糖为最佳碳源，天门冬素为最佳氮源。
The influence of ventilatory capacity and nitrogen source on fermentation process were also studied.
并研究了通气量、氮源对发酵的影响。
Through enrichment culture using IMI as sole nitrogen source, a strain named NJ2 was isolated from the soil .
采用唯一氮源筛选策略，从土壤中筛选到一株命名为NJ2 的菌株， 可高效转化IMI为一种极性更大的化合物。
The results showed: nitrogen source and precursor feeding resulted in significant increase of taxol production.
结果表明，一定氮源和前体饲喂对紫杉醇产量提高有显著促进作用。
Starch and yeast powder are the best carbon source and nitrogen source through studies on fermentation culture medium.
对发酵培养基进行了研究，淀粉、酵母粉是阿维菌素发酵的最合适碳源物质和氮源物质；
Carbon source, nitrogen source and plant hormone had the obvious effects on the callus growth and flavonoids production.
碳源、氮源、植物激素对愈伤组织生长和黄酮类形成影响较为显著。
Used 5 factors, respectively is: Humidity, the carbon source, the nitrogen source, inoculates the quantity and PH values.
使用了5个因素，分别是：水分，碳源，氮源，接种量和PH值。
The results of the experiments showed Peptone was the best nitrogen source in solid culturate, the second was yeast extract.
结果表明；在固体培养中，病菌对氮源的利用以蛋白胨为最好，其次为酵母膏。
The mineral medium contains nitrate as the sole nitrogen source and ethanol as carbon source making the soft semisolid medium.
在无机盐基础中以硝酸盐为氮源，以乙醇为碳源制成软半固体培养基。
The inorganic ions and the amino acids were respectively added to the medium while yeast powder was used as base nitrogen source.
在酵母粉基础发酵培养基中，添加各种无机离子和游离氨基酸，使其含量与酵母抽提物相同。
The biomass of Chlorella vulgaris was increased without influence on its chlorophyll content when nitrate was used as nitrogen source.
在以硝酸盐为氮源时，谷氨酸可增加小球藻的生物量，对叶绿素含量无明显影响。
Effects of initial carbon source concentration and nitrogen source concentration on D-ribose fermentation and feeding process in flask.
初始碳氮源浓度对d -核糖发酵的影响及摇瓶补料工艺。
Inorganic nitrogen source contributed to produce unsaturated fatty acid and organic nitrogen source contributed the cell growth of M14.
无机氮源有利于不饱和脂肪酸的产生，有机氮源有利于细胞的增殖。
The system of nitrogen source is designed for the need of pure nitrogen of the large space environment simulating equipment in our country.
氮气源系统是根据我国大型空间环境模拟设备对纯净氮气的需要而设计的。
Results: the production of c. neoformans melanin was affected by various factors, in which nitrogen source and glucose affected it obviously.
结果：新生隐球菌黑色素的产生受多种因素的影响，其中以氮源、葡萄糖和温度的影响最为明显。
Bean cake was the best nitrogen source, and their optimal mass concentration for Bacillus sp. X18 and X10-1-2 were 4 % and 1 %, respectively.
两株菌的最佳氮源均为豆饼，X18的最佳豆饼质量分数为4%，而X10 - 1 - 2的最佳豆饼质量分数为1%。
The best nitrogen source was peptone for mycelia growth and sporulation, while ammonium salt would inhibit the mycelia growth and sporulation.
氮源以蛋白胨最适于菌丝生长与产孢，而铵盐会抑制病原菌生长及产孢。
A new kind of nitrogenous product Bionitrogen was tested as a supplemented nitrogen source instead of the corn protein in penicillin fermentation.
生物氮素作为微生物发酵的一种新型氮源，我们首次在青霉素发酵生产上应用。
A new kind of nitrogenous product Bionitrogen was tested as a supplemented nitrogen source instead of the corn protein in penicillin fermentation.
生物氮素作为微生物发酵的一种新型氮源，我们首次在青霉素发酵生产上应用。
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