查询词典 reverse flow

To establish a MPLC method for the content determination of resveratrol in Polygonum cuspidatum Sieb. Et. Zucc, Analytical column SOURCE 5RPC ST 4.6/150 was used with a mixture of acetonitrile+water (30+70,volume ratio ) as mobile phase ,with a flow rate of 1ml/min and the UV detection wavelength was 306nm, The linear range was 0.6-1.6mg/ml (r=0.9919). The average recovery of prodatin was 103.0%-90.4%(RSD=7.21%). The method is convenient and accurate. Result indicated a reverse phase chromatography media based o n polystyrene/divinyl benzene has excellent resolution for resveratrol in cuspidatum. P rovide theoretical support for process development.

色谱条件采用SOURCE 5RPC ST 4.6/150预装柱，以乙腈/水(体积比30/70)溶液为流动相，流速1ml/min、检测波长为308nm，结果表明，白藜芦醇在0.6～1.6mg/ml的浓度范围内峰面积积分值与浓度的相关系数r=0.9919；所测定的虎杖饮片中白藜芦醇平均含量为0.304％，平均回收率为103.0％～90.4％；实验表明，以聚苯乙烯为基架的反相介质对于虎杖中自藜芦醇具有良好的分辨率，适合其有效成分的检测、分离，对虎杖中白藜芦醇制备的科学研究过渡到工艺开拓有很好的借鉴。

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其中泵类产品：潜水泵、喷射泵、排水泵、污水泵适用于民用；端吸泵、中开泵、增压泵、消防泵适用于工业和商用；离心泵、隔膜泵、柱塞泵适用于农业；脱盐泵、往复泵、轴流泵适用于市政建设；舱底泵、冷却泵、污水泵、高压冲洗泵、饮用水泵适用于海运；净化与过滤设备：FLECK阀门适用于锅炉软水系统、反渗透系统的预处理装置、家用及商用软水系统；STRUCTURAL树脂罐适用于砂滤、商用软水器、离子交换、多介质过滤、活性碳过滤；CODELINE膜壳适用于海水、苦、咸水淡化工程、电厂锅炉补给水工业处理、化工行业工艺用水、电子、半导体行业的超纯水处理、冶金、轻工业、电镀等行业的废水处理、食品饮料、卫生医疗；泳池及水景设备适用于水疗、游泳池、大型浴场等等。

Pentek filter systems offer multistage, reverse osmosis, in-line, countertop, shower and faucet filter options, while Pentek specialty products and processes such as ultraviolet, bromination, iodination, and radial flow iron reduction increase our ability to meet specialized needs.

pentek过滤系统提供了多级，反渗透，在网上， countertop ，淋浴和水龙头过滤选项，而pentek特种产品和新工艺，如紫外线，溴化，碘化，并径向流还原铁增加我们的能力，以满足特殊需求。

Methods The expression of CD87 was detected with flow cytometry in 54 AML patients and 20 acute lymphoblastic leukemia patients. The expressionsa of CD87 on U 937, HL-60 and K562 cells were also studied with FCM and reverse transcription-polymerase chain reaction during differentiation induced by phorbol myristate acetate in vitro.

应用流式细胞术检测了54例急性髓性白血病及20例急性淋巴细胞白血病患儿CD87的表达，还用FCM及逆转录-聚合酶链反应法检测了U937、HL-60、K562细胞在氟波酯作用下诱导分化过程中CD87表达的改变。

Using six-color flow cytometry (with antibodies CD45, CD19, CD5, CD10, kappa, and lambda) and immunoglobulin heavy-chain gene rearrangement by reverse-transcriptase-polymerase-chain-reaction assay, we determined the association between MBL and subsequent CLL and characterized the immunoglobulin gene repertoire of the prediagnostic B-cell clones.

使用六色流式细胞术（使用CD45、CD19、CD5、CD10抗体、Ig κ和Igλ）和逆转录聚合酶链反应试验的免疫球蛋白重链基因重排，我们确定了MBL和随后的CLL之间的关系，明确了诊断前B细胞克隆的免疫球蛋白基因库。

The direct reverse circulaeion tor dyeing is executed by change ralve inside the pump .The impeller inside the pump can provide large flow and enough head coelicient for yarm dyeing procredure.Due to its strong penetrbility,it is suitable for very difficrlt texture and various kinds of textures.The dyed textrue is with high color fastness and good uniform dyeing effects.

其染液正反循环通过泵内的换向阀自动完成，泵内叶轮能为染纱过程提供大流量和足够扬程系数，其穿透性强，适染高难织物，被染织物色牢度高，具有很好的匀染效果，适染多种织物。

This is the first report of pectenolone and pectenoxanthin, two types of carotenoid, in the muscle of the Yesso scallop.3 Roles of the carotenoids composition and accumulation in Yesso scallopThe method for detecting carotenoids using reverse phase high performance liquid chromatography was developed. The conditions of RP-HPLC analysis were an analytical scale (200×4.6 mm, inner diameter 5μm) Eclipse XDB-C18 column of Agilent corporation; 10μl injection volume; 25°C column temperature; acetonitrile, methanol and methylene dichloride mobile phase (40:56:4, V/VV) with 0.1% BHT; 1.0 ml per minute flow rate; 450 nm UV-VIS detector; 8 minutes elution.The carotenoids from orange muscle of Yesso scallop of 7, 10, 12, 15, 18, 22 months old was detected using the method refered above.

通过柱层析、高效液相等手段对橘红色闭壳肌中的主要类胡萝卜素进行了提取分离，分离提纯得到两种类胡萝卜素，并通过MS、~1H-NMR和~(13)C-NMR对其进行结构鉴定，结果表明(3S，3\'R)-3，3\'-dihydroxy-7\'，8\'-didehydro-β，β-Caroten-4-one和(3S，3\'S)-7，7\'，8，8\'-tetradehydro-β，β-Carotene-3，3\'-diol，俗称pectenolone和pectenoxanthin是橘红色闭壳肌中的主要类胡萝卜素，这是国内外首次对虾夷扇贝闭壳肌中的类胡萝卜素进行提纯及结构鉴定。3虾夷扇贝类胡萝卜素的种类组成和累积变化规律建立了橘红色闭壳肌中类胡萝卜素的HPLC分析定量检测技术：色普柱为Agilent公司的Eclipse XDB-C18柱200mm×4.6mm，i.d.5μm进样体积，5μl ；流速1ml/min；检测波长450nm；柱温25℃；流动相为乙腈：甲醇：二氯甲烷(V/V/V=40：56：4并加入0.1%的BHT；分离时间为8min。

There were five groups in the examination of cellular levelK562 group,K562/A02 group,K562+ADM group,K562/A02+ADM group and K562/A02+TTD+ADM group）.The non-cytotoxicity doses to cell lines K562 and K562/A02 of TTD were got by MTT assay.Using flow cytometry (FCM assay to examine the intracellular ADM concentration.There were three groups in the examination of genic,zymologic and protein levelsK562 group,K562/A02 group and K562/A02+TTD group）.The mRNA expression of MDR was measured by fluorescent quantitative reverse transcriptase polymerase chain reaction(RT-PCR.The expression levels of glutathione-S-transferase and topoisomerase Ⅱ were determined by immunohistochemical technique.

细胞水平检测实验分5组（K562组、K562/A02组、K562+ADM组、K562/A02+ADM组和K562/A02+TTD+ADM组），采用MTT法检测TTD对K562和K562/A02细胞的非细胞毒性剂量，流式细胞术检测细胞内阿霉素的浓度，基因、酶学、蛋白水平检测实验分3组（K562组、K562/A02组和K562/A02+TTD组），采用RT-PCR法检测mdr1 mRNA的表达，免疫细胞化学方法检测谷胱甘肽S转移酶π和拓扑异构酶Ⅱ的表达水平，Western-blotting法检测P-糖蛋白和bcl-2表达。

With respect to the above-cited issues an experimental study was conducted of the gas-solid dual-phase flow characteristics of the Tangential firing system and the reverse tangenfial firing system with the help of PDA system.

针对切向燃烧锅炉燃用劣质煤时的稳燃及水冷壁高温腐蚀问题，采用PDA测量系统，对四角切圆锅炉中一、二次风同心反切和同心同向燃烧方式进行了气固两相流动特性的实验研究。

Your heart and arteries get more blood flow, so heart disease may begin to reverse.

当你的心脏和动脉也获得更多的血流量，可以有效地避免心脏病。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。