阳离子

Because of the impact of precipitation facies and lithogeny, there are many complex reservoirs in Nanpu oil field with characteristics of high bond water saturation, high cation exchange capacity and complex pore structures. The reservoir's electrical parameters are different from that of conventional sandstone reservoir so that we can't use Archie's equation to do reservoir evaluation.

南堡油田第三系受沉积微相和成岩作用的影响发育大量的复杂砂岩储层，束缚水饱和度和阳离子交换量偏高，储层孔隙结构复杂，地层因素和孔隙度表现出非阿尔奇关系的特征。

A new process has been studied to synthesize malonic acid from diethyl malonate through hydrolysis reaction and catalyzing by 732 type cation exchange resin.

用732型阳离子交换树脂催化水解丙二酸二乙酯制取丙二酸，考察了反应温度、反应时间、水与丙二酸二乙酯的质量比、丙二酸二乙酯与树脂质量比等工艺条件对收率的影响。

The three kinds of potato dietary fibers from potato pulp were produced by acid reagents, mesothermal temperature amylase and high temperature resistant amylase respectively.

本研究采用酸处理、中温α-淀粉酶处理和耐高温α-淀粉酶处理三种工艺条件制得三种马铃薯膳食纤维产品，对三种样品与市售燕麦纤维的膨胀力、持水力和阳离子交换能力进行了测定。

Cation is one of the highest in the category, and features dual 298mm diameter front discs gripped by powerful 4-piston monobloc calipers, for responsive and controllable stopping power.

阳离子最高的地区之一，在类别，并配备双二百九十八毫米直径前线光碟陷入强大的四活塞卡钳monobloc ，为顺应民情和可控停车的权力。

These results suggested that Tyr710 may influence the stability of the monocyclic C-10 cationic intermediate through the interaction with Trp390 and play a role in preserving the cyclase structure and the conformation of active site.

由这些实验结果，我们推测Tyr710可能透过与Trp390作用来影响单环C-10碳阳离子中间物的稳定性，并且在维持蛋白质的结构及活性区的形状上有所贡献。

The second electrolytic process is successful, which is for production of monopotassium phosphate, hydrogen and chlorine from potassium chloride and phosphoric acid by using a cationic permselective membrane cell.

利用阳离子交换膜电解氯化钾和磷酸生产磷酸二氢钾并副产氢气和氯气的工艺路线是成功的。

Conotoxins exihibit highly varying physiological activities, targetting ion channels, nAch receptors, etc. Conotoxins are also characterized by their high specificity on targets, able to discriminate between closely related channel subtypes.

芋螺毒素的生理活性非常广泛，包括各种阳离子通道，乙酰胆碱受体等，同时芋螺毒素对于其作用的通道或受体有非常好的选择性，能够区分不同亚型。

The method of suceessive cation-exchange and RP-HPLC can efficiently purify CTX without PLA2 from Naja naja atra venom.

结论结合阳离子交换层析和RP—HPLC可从眼镜蛇毒中高效分离获得不舍PLA2的CTX。

Experiments with methoxy substituents exclude the possible involvement of naphthyl cations as reaction intermediates in the cyclization of (o-ethynylphenyl) alkynes.

实验甲氧取代排除参与的可能性萘阳离子反应中间体中环（邻ethynylphenyl ） alkynes。

Through ethanol deposition, organic solvent extraction, then active carbon, 732 positive ion-exchange resin and silica gel columniation chromatography, cream nematocide substance have been obtained. Inspection the substance by TLC, UV-Visible Spectrophotometer have been deduced singleness component, and it's pure 97.38% by HPLC. The substance could use for structure analysis and character identify.

活性物通过无水乙醇沉淀，有机溶剂萃取，活性炭柱、732型阳离子交换树脂柱及硅胶柱层析后，经硅胶薄层层析、紫外－可见光检测和高效液相色谱检测，其纯度达97.38%，可用于物质进一步结构分析及性质测定。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。