查询词典 centrifugation

Methods The subjects were divided into two groups: PIH group (n= 15) and normotensive control group (n=15). Peripheral lymphocytes of the subjucts were separated by Ficoll-Hypaque density centrifugation. The lymphocytes were cultured in RPMI-1640 medium with or without pokeweed mitogen for ten days.Then the supernatant was collected and the IgG and IgM were measured by enzyme linked immunosorbent assay.

采用密度梯度离心法分离妊高征组(15例)和正常妊娠组(15例)的外周血B淋巴细胞，并在有或无美洲商陆有丝分裂原存在的情况下培养10天后，收集上清液，采用酶联免疫吸附试验测定每1×106个B淋巴细胞所分泌的IgG和IgM的量。

To understand how to use differential centrifugation to separate organelle and biological molecular;microspectrophotometry;immunofluorescence technifue and immune electron microscopy;in situ hybridization; aser scanning confocal microscopy;the method to show the nucleic acid、protein、enzyme、glucide and lipid; negative staining; freeze etching and quick freeze deepetching; flow cytometry.

了解用超速离心技术分离细胞器与生物大分子；显微分光光度测定技术；免疫荧光技术与免疫电镜技术；原位杂交技术；激光共焦点扫描显微镜技术；细胞内核酸、蛋白质、酶、糖类与脂质等的显示方法；负染色技术冷冻断裂和冷冻蚀刻电镜技术；流式细胞仪。

With water culture and by using differential centrifugation technique and sequential extraction, the subcellular distribution and chemical forms of Cd and Zn in the root, stem and leaf of Sedum jinianum were studied.

运用差速离心法和化学试剂逐步提取法，分析了Cd和Zn在皖景天根、茎和叶的亚细胞分布及其化学形态。

Why What other experiment could you perform (using the same sample and technique of CsCl centrifugation) that would further distinguish between semiconservative and dispersive modes of replication

请你设计另一个实验方案（用同样的样品和相同的技术手段即CsCl梯度离心）能够有效地将半保留复制和弥散复制这两种复制方式区分开来。

Intestinal parasites infection of birds in Zhengzhou zoo was surveyed by using the centrifugation and Sheather's sugar flotation.110 feces samples from 62 kind of birds were examined and the total infection rate was 20%.

应用离心沉淀法和饱和蔗糖溶液漂浮法对郑州市动物园鸟类进行肠道寄生虫感染情况调查。

The suspension was then diluted 4 times with 1 mM sodium citrate and the suspending medium removed after centrifugation.

然后用1 mM的柠檬酸钠溶液对上述悬浊液进行稀释至4倍，离心后将悬浊液除去。

Pore waters can be obtained from sediments by centrifugation, compression, or with samplers utilizing whole core squeezer, suction, dialysis, and capillary methods in situ.

间隙水的制备方法有离心法、压榨法、渗析法、吸气引液法等，这些方法各有利弊。

The method comprises steps as follows:(1) Chinese herbal medicines are taken and added with purified water for soaking, with the material-to-water ratio of 1:10;(2) the Chinese herbal medicines with the purified water are placed in a microwave heating system; the power of the microwave and the radiation extraction time are controlled;(3) leaching liquor is poured out and put into a centrifuge for centrifugation to obtain the Chinese herbal medicine water extract;(4) polyethersulfone ultrafiltration film is arranged in an ultrafilter; the Chinese herbal medicine water extract is poured into the ultrafilter and placed in a normal pressure type microwave heating system; and (5) the power of the microwave and the radiation extraction time are controlled and the pressure of nitrogen is regulated so as to obtain the purified Chinese herbal medicine water extract.

本发明公开了一种利用微波辐射改善中草药水提液膜超滤过程的方法，该方法由以下步骤完成：(1)取中草药材以1∶10的料液比加入纯净水，浸泡；(2)置于微波加热系统，控制微波功率和辐射提取时间；(3)倾出浸提液；然后用离心机离心得中草药水提液；(4)超滤器内置有聚醚砜超滤膜，将中草药水提液倒入超滤器并置于常压式微波加热系统；(5)控制微波功率和辐射提取时间，调节氮气压力，得到纯化的中草药水提液。

Sample collection: Two hundred and fifteen sera samples of normal population were collected from the peripheral blood of healthy blood donors of Shenyang, and the sera were separated by centrifugation after blood clotting; The patients sera were collected from the outpatients and inpatients of No. 1 hospital of China Medical University and the Second hospital of Jilin University. Syphilis was confirmed by clinical and serum test of TPHA and RPR; That of pemphigus vulgarism was confirmed not only by clinical, histopathological examination, but also by direct and indirect immunofluorescence test. DIF test on lesion or non-lesion skin showed immunoglobin and/or C3 deposits in the intercellular space of epidermis, and IIF test showed positive anti- intercellular antibody in patient serum using mouse's or rat's tongue or esophagus as substrate.

标本的收集：正常人的血清：采集沈阳市正常献血员外周静脉血共215份，待血凝后离心分离血清；患者的血清：来自中国医科大学一院及吉林大学二院门诊及住院部的病人，梅毒患者除了病史及临床表现外，全部经血清学TPHA及RPR确认；寻常性天疱疮患者除了临床及组织病理诊断外，还进行了直间接免疫荧光的检测，直接免诊断疫荧光：在皮损区及非皮损区的表皮细胞间显示IgG和/或C3补体沉积；间接免疫荧光用鼠或兔的舌或食管作为底物，在病人的血清中显示有肯定的细胞间抗体。

Significant processing steps can include: a phase changes involving either the desired molecule or the solvent, inert carrier or vehicle, e.g., dissolution, crystallization, evaporation, sublimation, distillation or absorption; b a phase separation such as filtration or centrifugation; c any chemical change involving the desired molecule, e.g., removal or addition of water of hydration, acetylization, formation of the salt; d an adjustment of the solution containing the molecule such as adjustment of pH or pO2; e a precision measurement of contained or added BPC components, in-process solutions, recycled materials is performed, i.e., weighing, volumetric measuring, optical rotation, spectrophotometric determinations, etc.; and f changes occur in surface area, particle size, or lot uniformity, e.g., milling, agglomeration, blending.

意义较大的步骤可能会包括：a相变化，包括指定分子或溶剂，惰性载体或溶媒，如溶出作用，结晶，蒸发，升华，蒸馏或吸附；b相分离，如过滤或离心；c涉及指定分子的任一化学变化，如结晶水的除去或添加，乙酰化作用，成盐；d包含分子的溶解的调节，如调节pH或pO2；e 含有或添加原料药组分，过程内溶液，回收物料的精密测量，如，称重，体积测量，旋光度，分光光度测定，等和f 表面，粒度，或批一致性的变化，如磨碎，凝块，混合。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。