查询词典 cation-active

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。

It has been found that the cation exchange on diffusivity may play the role in different ways for different zeolites. When the diameter of the diffusant molecule is much smaller than the pore or cage size of the zeolite, the influence of exchanged cations is mainly by way of altering the electric field intensity (or the density of electric charge), the large the Z/r of the exchanged cations, the smaller the diffusivity; while the diameter of the molecule is apporsi- mately equal to the pore or channel size of the zeolite, the exchanged cations may affect the diffusivity by means of blocking up or narrowing the channels of the zeolite.

金属阳离子交换对扩散的影响表现为：当扩散分子的直径比分子筛孔道直径小得多时，交换阳离子以改变分子筛内部电场强度或电荷密度的方式影响扩散速度，阳离子的Z/r越大，扩散系数越小；当扩散分子直径与分子筛孔道直径相近时，交换阳离子则因堵塞或窄化孔道而改变分子的扩散速度。

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。

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。

The influence of cation and nonion surfactants on the preferred orientation was complicated.

阳离子和非离子表面活性剂对镀镍层的晶面取向影响比较复杂。

The organophilic montmorillonites with increased interlayer spacings were prepared from hydrophilic clay by cation exchange with trimethylcetyl ammonium bromide.

通过阳离子交换的方法使蒙脱土由亲水性变成亲油性且层间距扩大。

At last,the eighth chapter explains and defines the experience in term of the position ofdiacectical materialism,concluding that experience is of objectivity,social historicity,dupli-cation,ostensibility and intermediation,and is the unity between the subjective and the ob-jective,the perceptual and the rational,the knowledge and the behaviour,life and history,on the basis of social practice.

论文的最后再一次回顾了历史上的哲学家们对经验的性质、特性所作出的规定和解释。本文站在辩证唯物主义的立场上对经验的性质进行了解释和规定，认为经验具有客观性、社会历史性、重复性、表面性以及中介性，经验是主观与客观的统一，是感性与理性的统一，是知与行的统一，是生活与历史的统一，统一的基础是社会实践。

Anewchromatographic stationaryphase of monodispersed pellicular cation exchanger was prepared.

施青红，陈永欣，叶明立，朱岩，弱酸型阳离子色谱填料的研制及性能评价

The effects of the crystallization degree, the uniformity of charge distribution, the surrounding hydration cation and the pillaring mode of organic molecule on the interlamellar space of hydrobiotite were finally discussed.

通过X射线衍射与红外光谱进行表征分析，讨论了结晶度、电荷分布均匀性、水合阳离子及不同有机分子柱撑模式对晶层层间距的影响。

Extracellular polymeric substances in activated sludge were extracted by magnetic stir and H-type cation resin exchange, and the content of protein, polyose and nucleic acid were the evaluating indexes.

采用磁力搅拌—阳离子交换树脂法提取了活性污泥中的胞外聚合物。

We stopped by the old fashion ice cream parlor Manhattan Beach Creamery for some refreshment. The "No Shoes, No Shirt, No Problem" sign on the wall epitomizes the beach lifestyle.

我们去商店区的一家老式冰淇淋店坐坐，墙上挂著「没鞋，没上衣，没问题」的牌子完全捕捉了海滩生活的随性及风格。

"If therefore", argues Bellarmine we can offer our prayers and our satisfactions in behalf of those detained in purgatory, because we are members of the great body of Christ, why may not the Vicar of Christ apply to the same souls the superabundant satisfaction of Christ and his saints--of which he is the dispenser?

" "因此，如果"，认为贝拉明（德indulgentiis ，十四）"我们可以提供我们的祈祷和我们满意的代表那些被拘留在炼狱，因为我们是成员的伟大基督的奥体，为什麼可能不是牧师基督适用於同样的灵魂满意的过剩是耶稣和他的圣人-他是在配药？