查询词典 centrifugation

After peltate yam is water washed, crushed, fermented and acid hydrolyxed, the solid matter and acid water solution are separated via centrifugation, the solid matter is extracted with organic solvent to make saponin extracted into organic phase, the organic phase is back extracted to eliminate other components, the organic solvent is distillation recovered for reuse and precipitation separated saponin is stoved to obtain product.

黄姜经水洗净、粉碎、发酵和加酸水解后，离心分离固体物和酸性水溶液，用一种有机溶剂萃取固体物，皂素被萃入有机相中，经返萃取去除其它成分后，将有机溶剂蒸馏回收，重用，沉淀析出的即为皂素，经烘干即得产品。

Such functional sorbates can be absorbed into the starch matrices of the present invention by either spraying solutions of such substances onto the prepared granular matrices or by adding the granular starch matrix material to solutions of said substances, separating the pore-loaded granules from solution by art-recognized techniques such as filtration or centrifugation and drying the substance bearing granules.

这种功能sorbates可以吸收到淀粉矩阵的本发明无论是喷涂解决方案，这类物质上准备矩阵的颗粒或加入淀粉颗粒基质材料，以解说，物质的分离，孔装颗粒从溶液中的艺术公认的技术，如过滤或离心和干燥的实质轴承颗粒。

The precipitate is sedimented by low-speed centrifugation (2000 × gravity for 1-2 hours).

将沉淀物通过低速离心（2000g，1-2hr）。

SPR technique combined with the methods of material spreading onto the surface of gold developed in this work, including the polymer spreading by centrifugation and lipid spreading by LB technique, provided us a very sensitive tool for the real-time, dynamic and in-situ study of protein adsorption on the surface of biomaterials.

表面等离激元技术与本文采用的在金膜上铺展高分子材料的离心铺膜法和LB技术等样品制备技术相结合，为生物材料表面对蛋白质吸附特性的实时、动态、原位研究提供了一种新的高灵敏度的方法，并可能发展成为一种材料生物相容性的测试和评价的新方法。

SPR technique combined with the methods of material spreading onto the surface of gold developed in this work, including the polymer spreading by centrifugation and lipid spreading by LB technique, provided us a very sensitive tool for the real-time, dynamic and in-situ study of protein adsorption on the surface of biomaterials.

表面等离激元技术与本文采用的在金膜上铺展高分子材料的离心铺膜法和LB技术等样品制备技术相结合，为生物材料表面对蛋白质偏瘫吸附特性的实时、动态、原位祛斑研究提供了一种新的高灵敏度的方法，并腹泻可能发展成为一种材料生物相容性的测试瘦身和评价的新方法。

It is a very important progress that a new procedure was developed using a re-formative gradient medium and by ultra-centrifugation for the isolation and purifi-cation of intact WSSV viral particles from the infected penaeid shrimp or crayfish.

在完整WSSV病毒粒子纯化技术上取得重要研究进展。采用改良的密度梯度离心介质建立了一套成熟的WSSV纯化方案。

The soluble sample was fractionated via a dispersion-centrifugation cycle, carbon nano-particles were removed and highly pure and well-separated SWNTs were successfully obtained in the middle fraction.

高速离心的方法能使碳纳米管存在于离心悬浮液中，而碳颗粒杂质形成沉淀，从而分离得到高纯度的单壁碳纳米管。

METHODS: After isolated the PBMCs and blood-plasma from adult human peripheral blood by Ficoll-Hypaque centrifugation, the PBMC culture procedure with or without the self-blood -plasma was applied to polarize T cells in vitro , these cells were polarized by PHA(20 mg/L),non-PHA respectively.

用Ficoll-Hypaque梯度离心法分离出正常成人抗凝外周血单个核细胞和血浆，将PBMC置于含或不含有自身血浆环境中，并在植物血凝素(PHA ，2 0mg L)的刺激下进行培养，培养 2 4、48、72h后收获细胞，分别用双色免疫荧光标记，以流式细胞术对CD4+ T细胞表达表面分子CCR3、CCR5进行分析。结果：CD4+ T细胞受自身血浆和PHA刺激后向Th1 Th2两个方向极化，2 4、48、72h后极化率分别达到(13 2 8± 1 5 9)%(12 70± 1 6 5 )%、(17 19± 1 0 3)%(17 5 0± 1 30 )%、(19 49± 2 87)%(18 5 8± 1 49)%；而只有PHA刺激的极化率很低，两组有显著性差异(P 0 1)；Th1∶Th2之比约等于 1。

Compared with the traditional method, this new method has some advantages:①centrifugation is not necessary, therefore, separation of high molecular weigh DNA is possible;②phenol, chloroform and other toxic organics are not needed;③separation is more efficient and less timeconsuming④the quality of DNA isolated in this way is very high.

当样品裂解液与杂交液1：1混合并用磁性微粒进行小麦黄化苗和种胚的DNA分离与纯化时，效果非常理想。与传统的纯化方法相比，该法具有①快速、简便；②无有机试剂污染；③无需离心分离；④得率和纯度均较高等优点。

But the classical differential centrifugation technique needs special ultra-speed centrifuger and deuterium oxide, which limits the research and application of them.

本研究利用外来体的物理特性，用基于孔径分离的生物膜离心过滤法制备得到了外来体，有效的降低了外来体研究及应用的技术门槛。

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。