缓冲

The epoxide groups of the column were modified by a reaction with diethylamine that affords ionizable functionalities required for ion exchange chromatography.

用该柱对白介素-18进行了分离，同时考察了不同固定相、缓冲液体系、pH值、盐的类型以及有机添加剂对白介素-18分离效果的影响。

The fluorescence images that RhoCr1 coordinated with Cr~(3+)in PC12 cells showed RhoCr1 to be capable of penetrating into living cells and imaging intracellular Cr~(3+)changesFive probes have been designed and synthesized,where different aldehydes were covalently linked to rhodamine B dyes with diethylamine flexible chains.

吸收和荧光光谱的测试结果表明，探针RhoCr1在Tris-HCI中性缓冲溶液中能高选择性的识别Cr~(3+)并产生了荧光增强，通过对探针光谱性能的测试和TEPN滴定实验表明，探针RhoCr1与Cr~(3+)的络合是一个可逆的过程。

The invention relates to a damping device (1) for mobile furniture parts, comprising a linear damper having a cylinder (8) and a piston, displaceable in the cylinder (8), and a piston rod (9) connected to the piston.

本发明涉及一种用于活动的家具部件的缓冲装置(1)，包括一个直线缓冲器，该直线缓冲器具有一个缸体(8)和一个在缸体(8)内可运动的活塞以及一个与活塞耦合的活塞杆(9)。

And dissimilatory reduction capability of crystal Ferric phosphate is also investigated when using different organic acid as substrates. Water-extracted soil solutions of SiChuan, JiangXi, JiLin and HuNan were incubated under anoxic atmosphere.

在水稻土浸提液为接种液的富集培养中添加不同浓度的磷酸缓冲液作为磷源，当磷酸盐浓度大于30 mmol/L时，铁还原反应的速率和Fe的产生量相对较低，甚至有抑制作用。

Anionic surfactant sodium dodecyl sulfate can be used to enhance or regulate the EOF.

另外，在缓冲液中加入阴离子表面活性剂SDS可以调节电渗流的大小。

The construction of recombinant UNPase provided a basis for the research on biocatalysed synthesis of adenosine. In comparison with uridine, inosine was the better donar of pentose-1-phosphorate. In the reaction mixture composed of 30 mmolL^(-1)inosine, 10 mmolL^(-1) adenine, and 30 mmolL^(-1) pH 7.5 phosphate buffer and 0.5% wet cells gave a high yield of 85.57% at 60℃ in 3h.

在此基础上研究了不同诱导条件对蛋白表达量的影响分别以肌苷和尿苷为核糖供体研究重组菌转化腺苷的条件，发现肌苷最适合作为核糖供体，在30mmolL^(-1)pH7.5的Na2HPO4-KH2PO4缓冲液中，以30mmolL肌苷和10mmolL^(-1)腺漂呤作底物，加入0.5%基因工程湿菌体60℃反应3h，腺苷的转化率为85.57%。

Based on a method of 2 demension data rearrange, a high speed and high efficience implementation of DRAM acess is proposed in the design of block buffer manager.

在数据块缓冲管理器的设计中，采用一种基于二维数据重排的访问方式，实现高速高效的DRAM访问。

The formula and technique of production of polyurethane elastomeric cushion material for hardware mold industry were mainly introduced.

主要介绍了制作五金模具工业中使用的聚氨酯弹性缓冲材料所用原料配方及生产工艺，对生产中的注意事项等也进行了探讨。

The cyclic voltammetry was used for the measurement of electroanalytical properties of the analytes by means of composite film modified electrodes.

在pH＝1.5的缓冲溶液中沈积薄膜对於氧气和过氧化氢得还原反应具有相当高的催化活性。

The linear relationship between the reciprocal of electroosmotic mobility and the square root of concentration was derived by mathematical method.

通过数学方法推导出电渗流迁移率的倒数与缓冲液浓度的平方根之间存在线性关系。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。