分离性

Because of advantages such as containing metal-free, so the organocatalyst has not the potential risk of leaching of toxic metal ion to the environment; generally has good catalytic activity, some might exhibit peculiar character and catalytic mechanism as enzyme; easily handled, can be performed in solution or air without the necessity of severe conditions like water-free a...

因为其不含金属离子，不存在有毒金属离子泄漏而造成环境污染；一般具有较高的催化活性，有些显示出类似酶的特性和催化机理；反应容易操作，可在溶液或空气中进行，不需要无水无氧等苛刻条件；价格一般比较便宜，易于制备、修饰和改性，可调控性大；易于与产物分离及从反应体系中回收等一系列&绿色&的优点。

Because of advantages such as containing metal-free, so the organocatalyst has not the potential risk of leaching of toxic metal ion to the environment; generally has good catalytic activity, some might exhibit peculiar character and catalytic mechanism as enzyme; easily handled, can be performed in solution or air without the necessity of severe conditions like water-free and oxygen-free.

因为其不含金属离子，不存在有毒金属离子泄漏而造成环境污染；一般具有较高的催化活性，有些显示出类似酶的特性和催化机理；反应容易操作，可在溶液或空气中进行，不需要无水无氧等苛刻条件；价格一般比较便宜，易于制备、修饰和改性，可调控性大；易于与产物分离及从反应体系中回收等一系列&绿色&的优点。

Production of epsilon-glycolylnium is carried out by Beckman rearrangement reacting for cyclohexanone-oxime under the existence of solvent to obtain epsilon-glycolylnium contained mixture, crystalline separating for the mixture to obtain crude epsilon-glycolylnium crystal, dissolving by arene, extracting by water, adsorbing by resin hydrogenation catalyzing to obtain the final product. The value of potassium permanganate is less than 5, extinction value is less 0.05, volatile alkali is less than 0.5meq/kg and alkalinity is less than 0.05meq/kg.

本发明涉及一种ε―己内酰胺制备方法，其特征为：在溶剂存在下，环己酮肟经贝克曼重排反应，得到含有ε―己内酰胺的混合物，该混合物结晶分离后，得到粗ε―己内酰胺晶体用芳烃溶解，然后用水萃取，再经树脂吸附、催化加氢后，得到99.995％以上的高纯度的ε―己内酰胺，其质量指标为高锰酸钾值小于5，消光值小于0.05，挥发性碱小于0.5meq/kg，碱度小于0.05meq/kg。

The effects of single factor variation such as dosgage of H2Q2, reaction temperature and time on modification efficiency were investigated, respectively.

利用双氧水的氧化性对大豆分离蛋白进行了化学改性研究。

The percentage of linear and so quick Figure 1 Three common control valve sleeve sleeve diagram Interchangeability of parts from Ball Valves the valve to see some adjusting mechanism trim can be easily replaced and maintained, for example, the sleeve valve sleeve can be easily replaced to achieve different flow characteristics; top and bottom-oriented trim can be easily turn the spool and the valve seat to achieve positive and anti-body to replace the valve body to achieve the air to open the way to replace gas off; valve isolation valve can be easily dismantled for the seat replacement and cleaning.

快开 线性等百分比图1 三种常用套筒控制阀的套筒示意图从阀内件的互换性看，一些调节机构的阀内件可方便地更换和维护，例如，套筒阀可方便地更换套筒实现不同流量特性；顶底导向的阀内件可方便地翻转阀芯和阀座来实现正体阀与反体阀的更换，从而实现气开和气关方式的更换；阀体分离阀可方便地拆卸，用于阀座更换和清洗。

The purification method is that the oxalic acid difluoro lithium borate needing to be purified is dissolved in solvent with high solubility first, then the solution is mixed with nucleation agent, the mixed solution is performed through solid-liquid separation, crystallized solid matters are put in a vacuum drying oven for drying, so that purified LiODFB products are obtained.

一种草酸二氟硼酸锂的提纯方法，该方法是先将需提纯的草酸二氟硼酸锂溶解在溶解性高的溶剂中，然后将该溶液与析晶剂进行混合，通过固液分离，将析晶出的固体物质置于真空干燥箱中干燥，即得纯化的LiODFB产品。

Energy, the "Bright" Shakti is not separate from Consciousness in that Awakening.

能量，那&明燦&Shakti在觉醒中是不分离于识性的。

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。

High concentration of the pulp mill on a wider scope of application, whether it is complex species, the larger difference between wood pulp, wood processing, or after the remaining scrap, wood shavings, sawdust, pulp and residue in cold tablets Reed, Rice and Wheat grass And so on, will be able to spin its line of high speed, wear appropriate gap separating film of high quality fiber.

高浓磨对浆料的适用范围较广，无论是树种复杂，材性差异较大的浆料，还是木材加工后剩余的边角料，刨花、锯屑、浆渣及冷浸法苇片、稻麦草等，都能够以其较高的旋转线速度，适当的磨片间隙分离成为优质纤维。

Membrane Technology and Research is field testing the system, and has demonstrated VOC recovery efficiencies of 99%.

膜分离技术及其相关研究正在对这个系统进行检测，而且已经论证了挥发性有机化合物的回收率可达99%。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。