氮源

氮源形态对原球茎增殖有影响；

The nitrogen source type has effect on the protocorm multiplication .

结果：试验表明，合适的氮源比例能够提高发酵水平。

Result : The results showed that suitable nitrogen source rate can improve level of fermentation .

碳氮源对发酵生产头霉素C的初步研究

Preliminary study on the influence of carbon / nitrogen sources to the fermentation of cephamycin C

MS培养基的基本氮源已经足够满足大蒜细胞生长和SOD合成的需要。

Standard nitrogen concentration in MS medium was enough for garlic cell growth and SOD production .

加入碳源有利于渗滤液COD的降解，但加入无机氮源使COD的去除率降低。

Carbon source has positive effect on leachate degradation , while nitrogen source negative .

从各有机氮源氨基酸组成角度入手，运用聚类分析方法研究氮源氨基酸组成对CA发酵的影响。

Cluster analysis method was used to analysis the effect of amino acid composition of different nitrogen sources on the CA biosynthesis .

报道了不同培养基，碳、氮源、温度和pH值对于白毒伞菌丝体生长的影响。

Verna was carried out . The influences of different media , C and N Sources , pH , temperature on A. Verna was investigated .

碳、氮源对PVA降解混合体系降解能力的影响及PVA降解机理初探

Effect of Different Carbon and Nitrogen Sources on PVA degradation in a Mixed Culture and PVA Degradation Mechanism

在液体培养条件下探讨了培养基的碳源、氮源、初始pH及其正交试验对灰树花菌丝生长和产糖的影响。适合的碳源是葡萄糖+土豆，淀粉，葡萄糖+蔗糖；

The effect of carbon source , nitrogen source , initial pH and orthogonal test on the mycelial growth and polysaccharide production of Grifola frondose was investigated .

最适pH值为9.5，碳源中的蔗糖，氮源中的酵母浸提物和硝酸钠均利于产酶。

The optimum pH value was 9.5 , cane sugar of carbon source , yeast extract of nitrogen source , and sodium nitrate were conducive to enzyme production .

P3，该菌能够以对硝基苯酚为唯一碳源和氮源进行生长。

P3 can grow with p-nitrophenol as the sole carbon and nitrogen source .

该菌产生絮凝剂的适宜培养条件为：乙醇为碳源，大豆粉为氮源，初始pH值为6.5~7.2、温度为30℃。

The optimum culture conditions : alcohol is the optimum carbon source , soybean powder is the optimum nitrogen source , initial pH 6.5 ~ 7.2 , 30 ℃ .

以羽毛粉发酵培养基为基础，首先采用单因子试验研究底物浓度、初始pH、接种量、外加碳源、外加氮源对WHK4产酶活力的影响。

The effects of feather meal concentration , initial pH , inoculum size , the additional carbon source and nitrogen sources on protease activity were studied by single-factor test .

研究了不同氮源种类、不同C/N比值、不同EM浓度对温度的影响；

We mainly studied effects of different kinds of nitrogen source , C / N value and EM concentration on fermenting temperature ;

外加不同金属化合物、不同浓度NaCl、不同碳源或氮源对菌体降解溴胺酸有不同程度的促进或抑制作用；

Addition of metal compounds , NaCl , different carbon and nitrogen sources could enhance or inhibit the degradation rate of ABAS .

UV-B辐射对香蕉光合作用和不同氮源利用的影响

Influence of UV-B radiation on Photosynthesis and nitrogen utilization of Musa paradisiaca grown in different nitrogen sources

重组HBD2对E.以蛋白胨为氮源的培养基有利于该菌菌丝生长；

The growth of E. The peptone was best for mycelium growth .

GS活性随着铵离子的增加而下降，但谷氨酸为氮源时含量增加。

The activity of GS was reduced by increasing NH4 + and then increased at Glu in the solution .

实验研究了以葡萄糖为外加碳源、由酵母膏提供氮源时不同的影响条件下紫色非硫光合细菌的混合菌种对染料活性艳红X-3B的脱色效果。

The effect of purple nonsulfur photosynthetic bacteria on decolourization of reactive red X-3B under different conditions was studied with glucose as carbon source and yeast extract as nitrogen source .

PB试验设计与统计学分析表明：氮源、磷源、pH是影响柴油降解率的三个关键因素。

The PB experimental design and statistics analysis indicate : The nitrogen source , the phosphorus source and pH are three key aspects affecting the diesel oil degeneration rate .

氮源NH4Cl浓度对粪产碱杆菌发酵生产热凝胶的影响

Influence of Nitrogen Source NH_4Cl Concentration on Curdlan Production in Alcaligenes faecalis

以饱和尿素溶液水解工艺制备TiO2煅烧前驱体，在前驱体中引入掺杂氮源，于400~700℃的空气气氛下煅烧2h，制得淡黄色的掺氮TiO2光催化剂；

N-doped TiO2 photocatalysts were prepared by calcinations of the hydrolysis product of tetrabutyl titanate with saturated urea solutions in ambient atmosphere at different temperature .

采用硫酸钛为钛源，氨水作为沉淀剂的同时作为氮源，制备了钐、氮共掺杂的纳米TiO2光催化剂。

TiO2 co-doped with samarium and nitrogen was synthesized by co-precipitation method with titanium sulfate as titanium precursor and ammonium hydroxide as precipitating agent and nitrogen precursor .

氮源或磷酸盐激活PKA下游靶标需要葡萄糖的存在。同样，葡萄糖激活PKA下游靶标也需要氮源或磷酸盐的存在。

Nitrogen or phosphate activate PKA require glucose , glucose activate PKA also require nitrogen or phosphate .

考察了添加氮源对Streptomyceshygroscopicus发酵产酶的影响。

Effect of nitrogen sources addition on MTG fermentation by Streptomyces hygroscopicus was investigated .

方法通过单因子实验，分别考察碳源、氮源、有机成分对HBsAg转基因人参细胞生长和HBsAg表达量的影响，并通过不同组合实验，探索氮源浓度、有机成分和起始pH的最佳组合。

Methods Observe the growth of HBsAg-transgenic ginseng cells and expression of HBsAg in media with various carbon sources , nitrogen sources and organic components at various starting pH values .

方法分别用含不同氮源及不同起始pH的培养基摇瓶培养白色念珠菌WD27菌株，定时取样用分光光度法检测胞外SAP活性和菌体生长量。

Methods SAP activity and growth mass was monitored periodically by spectrophotometric assay when candida albicans was incubated in a medium with different nitrogen source and with varied starting pH , respectively .

本文为进一步揭示NH4N与NO3N作氮源时，对苹果树生长发育过程中物质代谢与植株形态的相互作用的研究打下了基础。

This article could provide a basis of further studying the interaction between metabolism and morphology in the growth and development of apple plants when NH_4-N and NO_3-N were used as nitrogen sources .

本文选用MRS培养基作为基础培养基，在此基础上利用单因素实验确定了最佳碳源为葡萄糖，最佳氮源为蛋白胨。

This study chosen malt extract MRS as base medium . The optimal carbon source was determined by single factor was glucose , and the optimal nitrogen source was peptone .

进一步地，我们将卤素离子诱导方法进行扩展，在氨水作为氮源的水热反应体系中也得到了cBN。

Furthermore , we attempted the halide ions inducing method at ammonia as nitrogen source hydrothermal system and cBN was successfully obtained .