查询词典 filtration

The absorrption of benzoid compound by activated carbon fiber was studied. In theexperiment, the influence of the rate of filtration to the purification effeciency was researched. On the basis of summarizing the principle, advantage and recent research on watertreatment by the activated carbon fiber, adsorption performance of three activated carbons(fibrous, granulose, and powdery) were studied.

选用粘胶基活性碳纤维吸附废气中苯系物，考察了吸附过程中滤速对净化效率的影响，结果表明：滤速为0.20m／s以下时，活性碳纤维对废气中苯系物的净化效率达到90％以上；滤速为0.22m／s时，其净化效率有所下降，净化效率由大到小依次为邻二甲苯、甲苯、苯。

The crude protein was obtained by extracting the leaves of Blechnum orientale with PBS and precipitating with (NH4)2SO4. The crude protein was purified by Sephadex G－100 filtration after treatment through active carbon column.

乌毛蕨的叶片经PBS抽提和硫酸铵沉淀，得到的粗蛋白经活性碳柱处理后，在分子筛层析柱Sephadex G-100上纯化得到一种凝集素（Blechnum Orientale Lectin，简称BOL）。

Acid phosphatase from Branchiostoma beleheri was isolated and purified by ammonium sulfate fractionation,Sephadex G-75 gel filtration and CM-cellulose chromatography under acid condition.

从厦门文昌鱼Branchiostoma belcheri分离提纯酸性磷酯酶(EC3.1，3.2)，进一步经Sephadex G-75和羧甲基纤维素(CM-52)柱层析纯化，获得聚丙烯酰胺凝胶电泳单一纯酶制剂，比活力为351μm/min mg。

Copper-zinc superoxide dismutase was purified from Canarium album by ultrasonic, precipitation with ammoniurn sulfate,Sephadex G-100 filtration and DE-52 chromatography.

采用超声波破碎、硫酸铵分级沉淀、Sephadex G-100和DE-52柱层析，从橄榄中分离纯化Cu，Zn—SOD，并对其部分性质进行分析鉴定。

Penicillin V acylase from the crude culture filtrate of Fusarium oxysporum FP 941 was purified with a single band on non-denaturing electrophoresis by means of (NH4)2SO4 fractional precipitation, adsorption on, and elution from, celite, ion-exchange column chromatography with DEAE-cellulose, and Sephadex G-200 gel filtration chromatography.

通过硫酸铵沉淀、硅藻土吸附、DEAD-纤维素离子交换层析和Sephadex G-200凝胶过滤，由尖镰孢FP941培养滤液中得到了聚丙烯酰胺凝胶电泳均一的青霉素V酰化酶。

Methods: The centrifugalization and membrane filtration were used to get rid of the components restraining bacterial from Huangtengsu tablet.

采用离心法薄膜过滤法弃除黄藤素片中的抑菌成分。

Methods: The centrifugalization and membrane filtration were used to get rid of the components restraining bacterial from Huangtengsu tablet.

采用离心法薄膜过淋法弃除黄藤素片中的抑菌成分。

Results Multidrug resistance could be detected in the tumor tissue after the injection of retrovirus around and into it.After filtration and centrifugalization,the concentrated supernatant was 2 times efficient than the original supernatant and P-GP expression was detected in 60% of the tumor cells.mdr1 mRNA expression in the tumor tissue was significantly increased after gene transfer as detected by RT-PCR.

结果 携带mdr1基因的逆转录病毒上清液注射后肿瘤模型产生多药耐药性，经过滤和离心浓缩的病毒上清液60%细胞表达P-GP，是病毒原液基因转移率的2倍；RT-PCR表明基因转移后，肿瘤组织内mdr1 mRNA的表达量明显增加。

Key words］ Microbiology verifying test; Bacteriostasis function; The centrifugalization and membrane filtration

关键词］微生物方法验证；抑菌作用；离心法薄膜过滤法

Key words］ Microbiology verifying test; Bacteriostasis function; The centrifugalization and membrane filtration

要害词］微生物方法验证；抑菌作用；离心法薄膜过滤法

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％。