查询词典 fermentation

Why did the substitution of arsenate for phosphate prevent the accumulation of the bisphosphohexose yet allow fermentation to ethanol and CO2 to go to completion?

为什么砷酸取代磷酸阻止了二磷酸己糖的积累，但是产生乙醇和CO2的发酵反应仍然可以进行直至完成

During the investigation on the isolation of aureomycin from fermentation broth, it was observed that the stability of aureomycin depended upon the pH and temperature of the solution.

本文测定了金霉素在酸性溶液中(0.01，0.1及1N盐酸)及在碱性缓冲液中(pH7.4，8.0，8.6，9.2)的稳定性，找出在碱性缓冲液中的稳定性较在酸性溶液中为小。

The changes of pH, glucose consumption, nitrogen assimilation, aureomycin production, formation of organic acids and ammonia as well as mycelial respiration during aureomycin fermentation by Streptomyces aureofaciens were studied with two media.

在两种培养基中观察了金霉菌培养过程中pH的变化、葡萄糖的消耗，氮的同化、金霉素的产生、氨和有机酸浓度的变化、菌丝的呼吸等代谢变化，这两种培养基的区别，即在一种培养基中另加入肉汤粉和玉蜀黍浆。

Frequency conversion control for beater in the fermentation cylinder of terramycin ;2. Aureomycin, terramycin and tetracycline in freshwater fish were quantitatively detected.

mol/L=28∶72作为流动相，在355 nm的检测波长下，成功地进行了人工饲养淡水鱼体内的四环素、金霉素、土霉素等残留物的定量检测，平均回收率约为98。

The primary purpose of this research was to produce bioative polysaccharides from submerged fermentation by Auricularia auricula.

本论文通过黑木耳深层发酵来生产具有生物活性的多糖为目的，研究了黑木耳多糖的发酵生产、提取、分离纯化及结构的初步分析。

Rhizoma Gastrodiae was involved in this paper to study the extro-polysaccharide fermentation of Auricularia Auricula by submerged culture.

研究天麻对黑木耳深层发酵多糖的影响。

Experiment results demonstrated that EPS production by A. auricula was very sensitive to pH variation in submerged fermentation.

在此基础上提出了A.auricula发酵生产黑木耳多糖的两阶段pH控制策略：0—48h控制发酵液pH5.0，48h后控制pH5.5。

In order to achieve a high concentration and high productivity of exopolysaccharide from Auricularia auricula, the effect of pH on the performance of EPS production in submerged fermentation was investigated. It was showed that the maximum yield of EPS （7.54 g/L） was obtained at pH 5.5, but the mycelial growth rate was enhanced at pH 5.0 and the maximum dry cell weight was

为了实现黑木耳深层发酵生产胞外多糖的高产量和高生产强度的统一，在7L发酵罐中研究不同pH对A.auricula分批发酵生产黑木耳多糖的影响。A.auricula细胞生长的最适pH为5.0，而黑木耳胞外多糖合成的最适pH为5.5。

Since C6 and higher alcohols are not obtainable by a direct biochemical route, it is proposed to synthesize these using known chemical reactions, wherein the raw material for synthesis is biogas and lower C2-C5 alcohols obtained by the inventive method wherein the amino acids leucine, isoleucine, and valine, or a mixture thereof, optionally obtained from yeast autolysate, is used as a biocatalyst at the stage of fermentation.

因为C6和更高级醇类不能通过直接生物化学途径制得，所以提出用已知的化学反应合成这些化合物，其中合成的原料为本发明方法制得的生物气和C2-C5醇类，其中任选从酵母自溶作用得到的亮氨酸、异亮氨酸和缬氨酸或其混合物的氨基酸在发酵阶段用作生物催化剂。

These results will be helpful for future fermentation of Bacillus thuringiensis.

对苏云金芽胞杆菌制剂的发酵具有一定的指导意义。

Who? I never heard of him, Paul said, before asking teammate James Posey if he had heard of him.

赛后，科比说，他一直都是一名非常出色的射手，今天他打得很棒。

When I joined the company, I rotated around the different sections.

我加入这个公司时，轮换过几个不同的部门。