查询词典 purification

Also the molecular structure and functional effects of this active component were studied in detail. 1 Extraction, separation, purification and structural identification of the functional component in Chufa After initial handling of waste slurry to solid powder, ethanol was used to lixiviate it followed by the extraction with petroleum ether,ethyl acetate,n-butyl alcohol one by one, the polarity of three organic reagents being changed from low to high.

荸荠功能因子的提取、分离、纯化及结构鉴定以马蹄粉厂产粉废浆为原料，经过实验室初处理成固态原料粉后，用乙醇浸提，再将浸提物以水悬浮，依次通过极性从小到大的石油醚、乙酸乙酯、正丁醇三种有机溶剂两相萃取分部，并以金黄葡萄球菌、枯草芽孢杆菌和致病大肠杆菌为指示菌，检测上述各部分提取物的功能效果。

Manual microdissection in the isolation and purification of ciliated cells, can reduce the interference of impure cells, increase the cell activity, and is a satisfied technique to offer pure cells.

将手工显微分离技术应用于纤毛细胞分离和纯化降低了杂质细胞干扰，提高了细胞活性，满足了提供纯净目的细胞的实验要求。

The purification of powder quartz was studied through reverse flotation by using oleic acid as the anionic collector. The separation mechanisms of powder quartz and clinochlore as well as the adsorption mechanism of the anionic collector were investigated.

采用油酸作阴离子捕收剂，用反浮选的方法对粉石英的纯化进行研究，探讨粉石英和斜绿泥石的分离机理以及捕收剂的吸附机理。

Now has first-rate modern operating room 3, equipped with highly specialized center of oxygen, high levels of air purification laminar flow operating room; is worth a few million multi-functional anesthesia machine, monitors, surgical lights, operating table, micro-power systems, electric coagulator, electric knives, defibrillator, syringe pump, in order to fully guarantee the safety of a patient's life operations have laid a good condition.

现拥有一流水平的现代化手术室3间，装备有高度专业化的中心供氧、高水平的空气净化层流手术间；价值数百万元的多功能麻醉机、监护仪、手术灯、手术床、微动力系统、电凝器、电刀、除颤器、微量注射泵，为充分保证手术病人的生命安全奠定了良好的条件。

The separation and purification processes of 2,6-DMN from coal and petroleum tar are reviewed.

文摘：本文介绍了2，6-二甲基萘的用途和制备方法；综述了从煤焦油和石油中分离提纯2，6-二甲基萘工艺。

Cochineal wax separation and purification Abstract: Dactylopius coccus Costa is an extremely valuable resource insects, is of great economic value.

胭脂虫蜡的分离及纯化摘要：胭脂虫是一种极其珍贵的资源昆虫，具有重大的经济利用价值。

The new technology for ammonia distillation in coke oven gas purification system and its characteristics are introduced.

介绍了焦炉煤气净化系统蒸氨新工艺技术及其特点。

Separation and purification of Human-like collagen I and its functional properties were researched in this paper.

本文对类人胶原蛋白 I的分离纯化及其功能特性进行了研究。

METHODS Retinal cells were cultured in commixture and retinal ganglion cells in purification, to observe the state of ganglion cells and its axon. RESULTS Retinal ganglion cells that cultured in commixture grew very well.

方法进行猪视网膜细胞混合体外培养和神经节细胞的纯化培养，观察神经节细胞生长状态及轴突生长情况，研究视网膜不同类型神经细胞之间的相互作用。

Our purification procedure has provided the products of GGT protein with a high specific activity and the protein has satisfied commutability and stability.

从猪肾中纯化得到的GGT，具有较高的特异性比活，在人工基质中稳定性和互通性良好。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。