查询词典 gum

Then,a large scale experiment in a 50 L fermentor is held on the bases. After 60 hours' fermentation, the yield of gum is 2.7%,the viscosity is 8 Pa.s.

在此试验的基础上，进行了50 L发酵罐的放大发酵试验，经过约60 h的发酵，发酵后最终产胶率达2.7%，发酵液粘度为8 Pa.s。

Keywords xanthan gum;fermentation;thermal stability;thermogravimetry

黄原胶；发酵；热稳定性；热重分析

Xanthan gum ; fermentation ; mean molecular weight ; pyruvate ; rheological properties

黄原胶；发酵；分子质量；丙酮酸；流变特性

The results of xanthan gum fermentation showed that ALLR was more suitable for high viscous culture than the conventional mechanical stirred fermentor.

黄原胶发酵实验表明，新型气升环流反应器比&通用式&机械搅拌罐更适合于高粘度培养物的发酵

Based on major ingredients of the distillery waste water and the material consumption in the fermentation of Welan gum, using distillery waste water as the processes water, the recycle fermentation medium of Welan was determined, and the closed-circuit technology of circular utilization with distillery wastewater constructed, and the purpose of clean production achieved.

在分析乙醇蒸馏母液主要成分的基础上，对比威兰胶发酵过程的物质耗用量，以蒸馏母液作为配制培养基用水，确定威兰胶循环发酵培养基的组成，构建威兰胶生产废液循环利用的闭路工艺，达到清洁生产的目的。

A new airlift loop reactor was designed with the typical high viscous character of Xanthan gum fermentation, and the relationships between hydromechnical model and operating conditions were tested, the principle that the reactor's high shearing zone enhances mass transfer by making use of shear-thinning peculiarity of Xanthan broth was analyzed.

针对典型高粘性流体黄原胶的发酵特点，设计了一种新型气升环流反应器，对反应器中液相流型与操作条件之间的关系进行了实验考察，分析了反应器中高剪切区利用流体剪切变稀特性强化传质的原理。

Xanthan gum ; fermentation ; pyruvate acid

黄原胶；发酵；丙酮酸

Xanthomonas campestris 1.1781 was used as production strain to study the optimization of fermentation conditios of xanthan gum in shaking flaves.

以野油菜黄单胞菌1.1781为生产菌株，进行了摇瓶条件下黄原胶发酵条件的优化研究，得到耐热性黄原胶形成的最佳条件为：蔗糖50.0g/L，蛋白胨5.0g/L，K2HPO4·3H2O4.0g/L，MgSO·47H2O0.2g/L，柠檬酸2.0g/L，碳酸钙3g/L，pH为7.0。

Xanthan gum, fermentation, purification

黄原胶，发酵，提纯

In chemical fiber, polyester fibber function wastage of admirable, resource is inferior, competition ability is the strongest, acrylic fibbers take second place, acrylic fibbers, polypropylene fibber is mixed in function with fiber sticking gum half and half of bad of the actor on resource, paratactic the 3rd.

在化学纤维中，涤纶性能优良、资源消耗量较低，竞争力最强，腈纶次之，腈纶、丙纶和粘胶纤维在性能和资源上优劣各半，并列第三。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。