查询词典 filtration

The existent questions in the crossflow filtration are analyzed as an emphasized portion.

重点分析了错流过滤应用中的问题。

Vibrio parahaemolyticus 1211U was cultured in sterilized sea water by the process of filtration at 4 ℃;50-60 days later, plate count and most probable number showed that there were no culturable bacteria.

将副溶血弧菌菌株1211U培养于低温贫养条件下，以平板菌落计数法和最大近似数法检测可培养细菌数，50～60d后表明可培养数下降为零。

Ferritin from the liver of a salt water fish, Dasyatis akajei, herein called DALF, was isolated and purified by thermal denaturation, ammonium sulphate fractionation and ammonium reverse extraction, Sephacryl S-300 gel filtration and DEAE- cellulose anion exchange chromatography.

通过热变性处理、硫酸铵分级沉淀、排阻层析和离子交换层析等技术，分离纯化了魟鱼肝铁蛋白Liver ferritin of Dasyatis akaiei。

To overcome the shortcomings of the ammonia-alcohol method, this paper experimentally studied the green deacidification technology of diesel by the ammonia-alcohol method, which used low-temperature coalescence filtration in a self-made experimental device.

为克服醇氨法的缺点，在自制的实验装置上采用低温聚结过滤法对柴油醇氨法绿色脱酸技术进行实验研究。

The principle of the decopperization in molten steel through filtration has been discussed .

讨论了熔体过滤法钢液脱铜的基本原理。

By n-butanol extraction, ammonium sulfate fractionation and sodium chloride dialyzation, the partially purified enzyme was gained by means of gel filtration on sephadex G-150 column, and some properties of the enzyme were determined.

方法］以DFRKN-1为提酶材料，经正丁醇提取，硫酸按分级沉淀分离，透析获得酶的粗提取液，用SephadexG-150凝胶过滤柱层析纯化，获得纯化碱性磷酸酶，并测定纯化碱性磷酸酶的理化性质。

This article recommends the application of diatomite filter aid to water filtration abroad and its recent domestic research.

介绍了国外硅藻土助滤剂在过滤水中的应用和近年国内研究工作概况。

After filtration the dissolventwas neutralized by lime cream directly to produce the acceptable feed gradecalcium phosphate dibasic.

过滤之后，不再经过专门的除氟工序，直接用石灰乳进行中和，就可以生产出合格的饲料级磷酸氢钙。

The poor operational performances previously exist in the filtration systems of 3 sets of phosphoric acid facilities with dihydrated phosphogypsum process in Honglin Chemical Co., Ltd.

湿法磷酸；助滤剂应用；过滤强度

The filtration performance of JY discal filters and ARKAL discal filters are compared.

采用并联式的过滤系统，对国产的亚高牌叠片式过滤器与以色列ARKAL公司的叠片式过滤器进行了工艺性能比较试验。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。