We should select essential amino acids as nitrogen source.
以必需氨基酸为氨源。
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。
In this research, compound amino acids (glutamic acid and arginine) were added in litchi juice as nitrogen source and their effects on the fermentation progress were studied.
研究在荔枝汁发酵中添加复合氨基酸(谷氨酸、精氨酸)作为氮源物质对发酵进程的影响。
Jerusalem artichoke juice was the sole carbon source. The peptone and (NH4) 2hpo4 as nitrogen sources were found to be most suitable ones for inulinase production by single factor experiment.
通过单因素实验初步确定了菊芋汁为碳源，蛋白胨为有机氮源，(NH4)2hpo4为无机氮源。
The results showed that starch as carbon source, and casein and soybean powder as nitrogen source, o methoxyphenol and vanillin of suitable concentration had good influence on laccase production.
结果表明，淀粉作碳源、干酪素作氮源有利于漆酶的分泌，适宜浓度的愈创木酚和香兰素等对漆酶的产生有一定的作用；
The product at the front is exhibiting a lack of growth compared with all the others. This was identified at the time as being the lack of nitrogen because a ‘wrong’ source had been used.
与其它相对，最前面的长得最矮小，这时候的它被认定是由于使用“错误肥料”而造成缺氮的表现。
To study the influence of fermented culture mediums with different nitrogen sources on the growth of HD-1, nut cake and non-salt fish meal were chosed as the nitrogen source.
为了研究不同氮源的发酵培养对HD-1生长的影响，我们选用了花生饼和无盐鱼粉作为氮源。
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。
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。
No matter what the soil moisture treated, being with waterlog in normal paddy or upland condition in GCRPS field, once nitrate as nitrogen fertilizer source. N2O emission increased remarkably.
不论是旱种还是水田，只要增加硝态氮源，土壤n2o的排放就极显著增加。
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。
Urea is commonly used as the source of nitrogen in foliage sprays.
尿素作为氮素给源普遍地应用于叶面喷布。
Results showed that corn steep liquor (CSL) can instead of yeast extract as a nitrogen source of succinic acid fermentation.
结果表明玉米浆可以替代酵母膏作为丁二酸发酵的廉价氮源。
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。
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。
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。
Of three nitrogen fertilizer types, the amide-form nitrogen source was better to the formation and accumulation of gliadin as well as its four fractions.
比较而言，酰胺态氮素更有利于醇溶蛋白及各组分的形成与积累。
Vegetation uptake of nitrogen and base cation, as well as acid deposition, is an important source of soil acidity.
植被对氮和盐基阳离子的吸收是除酸沉降外另一个重要的土壤酸度来源。
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 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 means of sealing by nitrogen aerating and local forced ventilation are used for the leakage source points so as to reduce the explosion class in the gas zones.
通过对煤气加压站煤气泄漏源点的分析和确认，并对其泄漏源点采取充氮密封和局部强制通风等手段，以达到降低煤气区域爆炸等级的目的，并对煤气加压站防爆等级进行了探讨性划分。
All the 4 strains of cellulolytic bacteria and mixed rumen microbes can grow in the chemically defined medium with ammonia-nitrogen or peptide or amino acid as the sole nitrogen source.
所选4株菌和混合瘤胃微生物既能在氨氮为唯一氮源的合成培养基中生长，又能在含有肽和氨基酸的合成培养基中生长。
Therefore, according to the nitrogen removal rate, consumption of carbon sources and treatment cost, cinnamomum camphor leaf is considered as the best denitrification carbon source in local region.
结合各碳源脱氮率、耗碳源量以及处理成本，选取基本处理的香樟叶作为最佳纤维素碳源。
A full band WR28 matched load immersed in the liquid nitrogen is served as the noise radiation source of the standard.
一个全频带WR28匹配负载浸入液氮中作为该标准的噪声辐射源。
This test is based on the culture medium of sodium acetate, add to a given amount of carbon source, nitrogen source and microelement as to improve the acid-producing ability of...
本实验以乙酸钠培养基为基础添加一定量的碳源、氮源及其微量元素，提高己酸菌的产酸能力。
This is the main aim of this paper. And the experiment steps are showed as follows: 1 the nitrogen and phosphorus removal process needs carbon source, which comes from outside manual delivery usually.
本文结合碳源和空气的供给条件，取得如下成果：(1)碳源的种类和数量的差异会对处理结果产生的影响。
This is the main aim of this paper. And the experiment steps are showed as follows: 1 the nitrogen and phosphorus removal process needs carbon source, which comes from outside manual delivery usually.
本文结合碳源和空气的供给条件，取得如下成果：(1)碳源的种类和数量的差异会对处理结果产生的影响。
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