Kinetic models of cell growth, L-lactic acid formation and glucose consumption in L-lactic acid batch fermentation are proposed and kinetic model parameters are determined.
建立了L -乳酸间歇发酵菌体生长、产物生成和底物消耗的动力学模型,确定了模型参数。
Then discuss the acid formation from the soil quality, atmosphere grain, NH 3 and weather forms, point out these natural factor's difference is the most important cause of acid rain formation.
接着从土壤性质、氨气、大气颗粒物和天气形式等自然因素方面探讨了中国酸雨现状的形成原因,指出南北方这些自然因素的差异是酸雨现状形成的最重要原因。
Unfortunately, these black smokers are very acid, which prevents amino-acid stabilization, and thus the formation of organic molecules.
但是因为上述黑烟囱都呈酸性,因此不利于氨基酸的稳定与有机分子的形成。
Growing evidence suggests that acetic acid, the main component of vinegar, helps reduce blood pressure, blood sugar levels, and the formation of fat.
越来越多的证据显示醋中的主要成分醋酸,可以帮助降低血压、血糖,以及减少脂肪生成。
In carbonate formations, the acid dissolves the entire formation matrix.
在碳酸盐地层中,酸对地层整体进行溶解。
In sandstone formations, the acid reacts with the soluble substances in the formation matrix to enlarge the pore Spaces.
在砂岩地层中,酸与地层基体中的可溶物质反应,以扩大孔隙空间。
Acid triamcinolone acetonide can prevent and cure scar by inhibiting the formation of the new blood vessels.
醋酸曲安奈德通过抑制新生血管的形成,起到一定防治瘢痕的作用。
This enables the acid to penetrate the formation and extend the depth of treatment while avoiding damage to the reservoir formation.
这就使得在避免对储层损害的同时酸能够穿透地层并扩展处理的深度。
A problem related to nitrification is a drop in PH for the system due to the formation of nitric acid.
和硝化作用有关的一个问题就是由于生成硝酸而使系统内的PH值降低。
Acid storage tank should also be clustered nearby to minimize sludge and scale formation in long lines.
酸的贮槽也应该集中于厂房附近,以尽量减少在长管线中沉积污泥和疤垢。
The close topography, slight acid soil and moist climate are favor for acid rain formation.
较封闭的地形,偏酸性的土壤和阴湿的气候也是形成酸雨的影响因素。
The acid value also reduces gradually from the early stage of fat formation to the stage of maturity, so are the specific gravity and saponification value.
不同时期油脂的特性是在形成初期酸值高,而在成熟时酸值降低,比重、皂化值也有所降低。
The researchers say the results demonstrate that ellagic acid works to prevent wrinkle formation and photo-aging caused by UV destruction of collagen and inflammatory response.
研究人员称,这些结果表明,鞣花酸可以防止由于UV破坏胶原蛋白以及炎症反应导致的皱纹形成和光老化。
Second, as hypothesized, the exposed mice that received topical application of ellagic acid showed reduced wrinkle formation.
第二,与假定一致,接受照射同时也接受局部鞣花酸治疗的小鼠皱纹形成减少。
Therefore, fulvic acid played an important role in the process of BR formation of 14 C metsulfuron methyl.
因此,在14C 甲磺隆形成BR的过程中,富啡酸的作用>胡敏素胡敏酸。
The effect of continuously high acid levels on bone formation is controversial, but there is some evidence to suggest that they are associated with a drop in bone mineral density.
持续高酸水平对于骨形成的影响众说不一,但有证据提示它们与骨矿物质密度的下降相关。
Formulation of the perforating acid depends on the characteristics of the formation and the downhole equipment used.
射孔酸的组成取决于地层特性和所用的井下设备。
The requirements of formation of silicomolybdic acid and its analysis feature were studied, a modified method for measuring silicomolybdic acid by means of photometry was defined.
本文研究了硅钼酸的形成条件及其分析特性,并确定了硅钼酸光度法测定高含量硅的分析方法。
Scientists have found that vitamin B6 can reduce the content of oxalic acid salt in the blood, so as to prevent the formation of stones.
科学家发现,维生素b6可降低血液中草酸盐的含量,从而预防结石的形成。
On the basis of analysis on ionic compositions of injected water and formation water. The performance of polyapartic acid scale inhibitor is contrasted with that of other inhibitors.
在分析注入水和地层水离子成分的基础上,比较了聚天冬氨酸与其他几种常用阻垢剂的阻垢性能。
The formation mechanism of acid sites, mainly the formation mechanism of Bronsted acid sites in HY and REY zeolite as well as Lewis acid sites in matrices and zeolite of FCC catalysts are analyzed.
分析了催化裂化催化剂酸中心的形成机制,重点论述了HY沸石及REY沸石中B酸中心的形成机理,以及催化剂基质和沸石中L酸中心的产生途径。
A vinegary smell is caused by acetic acid, while a nail polish aroma reflects the formation of ethyl acetate.
像醋气味是由乙酸造成的,而指甲油味是由乙酸乙酯形成的。
Objective:To investigate the relationship between the abnormality of the hepatocytic bile acid secretion and the formation of the gallstone.
目的:研究胆汁酸代谢异常与胆囊结石形成的关系。
Therefore, some conclusions can also be obtained on the formation of acid rain based on these results.
同时,本文还对酸雨的形成机理进行了一些探讨。
Zinc could promote the decomposition of cellulose, the formation and transformation of acetic acid, increase the activity of dehydrogenase.
锌在沼气发酵中能促进纤维素的分解、乙酸的形成和转化,提高脱氢酶的活力。
The interaction of hydrocarbon source rocks and formation water produces organic acid that can dissolve minerals, especially carbonate minerals.
烃源岩—地层水相互作用生成的有机酸促使烃源岩中矿物、特别是碳酸盐矿物溶解。
These experimental results showed that exogenous insulin can cause ballooning degeneration of liver cells, then reduces the content of conjugated bile acid and promotes gallstone formation.
上述实验结果表明,外源性胰岛素可引起肝脏的空泡变性,进而使胆汁中结合胆汁酸含量降低,促进胆石形成。
The possible reasons for the effects on cluster root formation and organic acid exudation by 6-BA are discussed.
对6-BA影响缺磷的白羽扇豆排根形成和有机酸分泌的可能机制进行了讨论。
The possible reasons for the effects on cluster root formation and organic acid exudation by 6-BA are discussed.
对6-BA影响缺磷的白羽扇豆排根形成和有机酸分泌的可能机制进行了讨论。
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