乳酸

Objective:To study characteristics of changing LDH and HBDH in severe acute respiratory syndrome,they have a direct relati on with pneumonic damage.

目的 ：研究严重急性呼吸综合征的患者乳酸脱氢酶与α-羟丁酸脱氢酶的改变特点，结合其他临床指征，探讨其水平与肺损伤的关系。

D-lactic acid is considered to be a very important chemical compound as a chiral material or intermediate in organic synthesis. D-LA is a prosoma of many chiral compounds with applications not only in the pharmaceutical and cosmetic industry but also in highly efficient and lowly toxic pesticide and herbicide.

D-乳酸是重要的手性中间体与有机合成原料，是多种手性物质的前体，广泛应用于制药、化妆品和高效低毒农药及除草剂等领域的手性合成。

To analysis bacterial-host infection, an in vitro experiment was first carried out to analyze the acid responses of Yersinia pseudotuberculosis, a gastro-intestinal bacterium, under acidic condition. Metabonomic variation of Y.

到21d时，天冬酰胺和组氨酸浓度降低，而缬氨酸、乳酸、丙氨酸、苹果酸、琥珀酸、GABA、胆碱、β-葡萄糖、果糖、尿囊素、苯丙氨酸、甲酸的含量增高。

Kinds of organic acids (pyruvic acid, malic acid, lactic acid, acetic acid, citric acid and succinic acid) presented in beer were intensively studied in this paper.

本文以对啤酒质量有重要影响的6种有机酸(丙酮酸、苹果酸、乙酸、乳酸、柠檬酸和琥珀酸)为研究对象，确定了淡爽型啤酒的最佳有机酸组成，并研究了酿造过程中有机酸的变化及影响因素。

A metabolic process that breaks down carbohydrates and sugars through a series of reactions to either pyruvic acid or lactic acid and release energy for the body in the form of ATP.

碳水化合物和糖经过一系列反应分解为丙酮酸或乳酸并释放出三磷酸腺甙作为供应肌体的能量。

In this paper, not only the mechanism of thermal degradation of polylactide is introduced, but also the kinds of metal catalysts, their influence on L-lactide formation and racemization through thermal degradation of PLLA are referred.

本文介绍了聚乳酸热降解的反应机理，详细阐述了添加的金属催化剂的种类，及其催化PLLA热降解生成L-丙交酯及发生消旋化作用的机理。

Promoting Prunus Humilis Bunge Industrialization to Protect Ecological Environment;2. This article is about the ratafia of Prunus humilis bunge of dry and sweet which has the special fragrance and flavor of Prunus humilis bunge .

研制开发具有欧李果独特的香气和风味的干型和甜型欧李果酒，通过对欧李果的特点研究，确定了果实中度破碎，18℃￣22℃下低温浸皮发酵，18℃￣20℃"苹果酸-乳酸发酵"，再经调配、冷冻、0。

The complex biological preservatives consisting of lysozyme and / or nisin possessed a good preserving effect on razor clam, with the combination of lysozyme and nisin better than the individual one, possibly because the condition of their application and anti-bacterial spectrum can supplement each other as to increase their anti-bacterial spectrum.Razor clam was hydrolyzed with four kinds of proteases including subtilisin, flavourzyme, bromelain and acid protease.

用溶菌酶、乳酸链球菌素等组成的复合生物保鲜剂处理，结合冷藏保鲜蛏肉，各保鲜剂组的总挥发性盐基氮和细菌总数增加速度均慢于普通冷藏的蛏肉，从色泽、弹性、气味、黏度等感官评定指标来看，保鲜效果也均明显优于普通冷藏，说明溶菌酶、NISIN等对蛏肉具有较好的防腐保鲜效果。

Polynomial regression and response surface plots demonstrate that the optimal initial pH and COD are 7.0～8.0 and 6～10 g/L, respectively.

分别以乳酸钠、葡萄糖为底物，考察了不同底物对产电和COD降解的影响。

Results: The prepared M-PLGA-PAO-NS had a regular spherical surface and a mean diameter of 290 nm.

结果：磁性聚乳酸氧化酚砷纳米微粒外观呈规则球型，其粒径尺寸平均为290nm。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。