查询词典 lactic acid

Second, the commonly used ring-opening polymerization between glycerol and lactide for the preparation of degradable polyurethane network was replaced with the more simple and economic method, which is polycondensation between lactic acid and glycerol.

其次，我们用乳酸和丙三醇的直接缩聚代替常用的较为复杂的丙交酯和丙三醇的开环聚合法用于可降解聚氨酯交联网络的制备。

This review focused on the reasearch progress of polylactide synthesised either by direct polycondensation of lactic acid or ring-opening polymerization of lactide at home and aborad in recent years.

综述了近年来国内外聚乳酸直接合成法和丙交酯开环聚合法的研究进展，对聚乳酸改性方法进行了深入的总结和评述，并揭示了聚乳酸材料的研究开发前景。

At the same concentrations of saccharose , the lactic acid accumulation amounts of the treatments with inoculation are lower than those of the controls , and in controls methylamine is detected because of the decomposition of protein by pathogenic bacteria , but in treatments of inoculation they are not detected .

相同蔗糖浓度下，接种处理的丁酸积累量均低于对照，不接种对照处理中均检测到了腐败菌分解蛋白质产生的甲胺，而接种的则没有。

The adsorption of collagen on spin-coated poly-lactic acid surface was investigated using quartz crystal microbalance. The effects of concentration (0μg/mL-9.25μg/mL) and temperature (10℃-50℃) on adsorption were studied.

采用石英晶体微天平、原子力显微镜研究了胶原在聚乳酸旋涂膜表面的吸附，考察了溶液浓度(0μg/mL-9.25μg/mL)和温度(10℃-50℃)对胶原吸附的影响。

Main microbial flora was lactic acid bacteria, Micrococcus and Debaryomyces, Torulopsis.

优势微生物菌系是乳酸细菌、微球菌、德巴利氏酵母和球拟酵母。

The influence of ultra-high pressure on lactic acid bacteria, pseudomonas, enteric bacilli, mould and yeast, staphylococcus and micrococcus were examined in chilled meat.

研究了超高压(100-400 MPa)处理对冷却肉的抑菌效果及对冷却肉中乳酸菌、假单胞菌、肠杆菌、霉菌与酵母、葡萄球菌与微球菌等菌相的影响。

Mould and yeast, staphylococcus and micrococcus were sensitive to ultra-high pressure; lactic acid bacteria, pseudomonas, enteric bacilli were non-sensitive to ultra-high pressure.

霉菌与酵母、葡萄球菌与微球菌为超高压敏感菌；乳酸菌、假单胞菌和肠杆菌为超高压非敏感菌。

A low-alcohol cactus lactic acid drink was developed by co-fermentation of microzyme and lacto- bacillus using malt,cactus,and milk as materials.

以仙人掌、牛奶、麦芽为原料，采用酵母菌和乳酸菌共同发酵研制成含低醇的仙人掌乳酸饮料。

Then the mutualism of Saccheromyces cerevisiae and Lactic Acid ...

提示，啤酒酵母和乳酸细菌的互生作用在食品发酵工业中具有重要意义及广阔的应用前景。

Methods: Cell proliferation was measured by crystal voilet staining assay. The activity of lactic acid dehydrogenase in the upper layer of culture solution was tested to examine the damage to the cell membrane.3H-TdR was used to study the effect of porphyrin nitrogen mustard on the synthesis of DNA.

用结晶紫染色法测定卟啉氮芥对人肝癌细胞SMMC7721的光动力抑制效应，用测定培养上清乳酸脱氢酶活性方法研究光动力作用对人肝癌细胞SMMC7721细胞膜的作用，用3H-TdR掺入法研究光动力作用对人肝癌细胞SMMC7721DNA合成的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。