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The changes of the ion exchange percentage E of the interaction of both in the presence of the glycine have been presented.The results are that the effects of the transform sand and untransform sand on the adsorption are different,which agree with the reality and the theory inferrer.

结果表明:当沉积物分别为转化沙和未转化沙时,其对重金属的吸附作用的影响是不同的,且实验结果与理论推测和实际是一致的;甘氨酸的存在对不同金属离子分别与转化沙和未转化沙相互作用的离子交换率E-pH曲线的影响各不相同。

This approach avoided the long duration at high temperatures in traditional methods and unstable precursors in metathesis reactions.

这种合成方法不需要单质反应的高温及长时间处理,也避免金属氯化物与碱金属硫化物或硒化物之间的交换反应中不稳定的前驱物。

And a glycochain IbGpl-OL-LbGp5-OL has been found out by the way of Pronase E or β elimination reaction to dissociate the glycochain from the molecules of glycoconjugate and through the separation and purification of it by gel column chromatography, and ion exchange ohromatography and then its repetitive unit construction has been tested by the ways and means of full hybridization and partial acid hydrolisis, methylate analysis, Gc, Gc/Ms, iH and 1/3 CNMR.

通过链霉蛋白酶E或β-消去反应等方法,将糖链从糖缀合物分子上解离下来,经凝胶柱层析或离子交换柱层析进行分离、纯化得到相应的糖链LbGp1-OL~LbGp5-OL。

The relationship between transesterification and miscibility was discussed on transesterification level and induction period.I...

酯交换和相容是聚酯共混物熔融时相互关联的两个过程。

Small cylindrical beads made from polished shells and fashioned into strings or belts , formerly used by certain Native American peoples as currency and jewelry or for ceremonial exchanges between groups Also called peag

贝壳串珠:由磨光后的贝壳制成的穿成链或带状物的小圆柱形珠子,早先某些美洲土著民族用其作为货币与珠宝或用于部落之间礼仪交换之物也作

The adsorption of polyvalent cations from aqueous solutions was decided by the surface properties of cation exchanger .

从水溶液中吸附多价金属阳离子的能力取决于阳离子交换剂的表面性质:该加合物对Cr、Fe、Pb的吸附活性高于КБ-4阳离子树脂。

Results showed that the inhibition type of ACE was competitive.Finally, we make componentⅡthrough further purity by using DEAE Anion exchange column and Sephadex LH-20. After that com- ponentⅡwas separated to two parts.

六、将粗分物组分Ⅱ用DEAE阴离子交换柱和SephadexLH-20继续分离纯化,最终得到两个组分,用反相高效液相色谱C18柱检测其纯度。

The results show that the isotherms of the interaction between praseodymium and yttrium ions and the sediments are the stepped.

结果表明,黄河水中Pr3+和Y3+与沉积物相互作用的吸附等温线具有一个"拐点"两个"平台",是一种台阶型的二级交换等温线。

The exchange adsorption effect between sediments and praseodymium .

p H值是影响吸附作用的主要因素,随着 p H值的增大沉积物与稀土离子的交换吸附作用相应增

The study on the hardening mechanism of the soft soil with the materials shows that the hardening procedure can be divided into three stages:(1). Hydrating and dissolving stage, when material A and material B of the high-water-content and quick-setting materials respectively dissolve and balance in water.(2). Gel and consolidating stage, when the materials hydrate into calcium crystal and the ion exchange and aggregation of soil particles occur in an alkaline environment.(3). the structure developing stage, when the calcium crystals connect each other, absorb and crystallize the water around; the hydrate remnants, calcium hydroxide, carbonate continuously in water and in the air.

本文对高水速凝材料-软土硬化机理的研究表明,高水速凝材料-软土的硬化过程可分为三个阶段:①水化溶解阶段:主要为高水速凝材料的甲、乙料分别与水的溶解、维持平衡阶段;②胶凝固化阶段:主要为高水速凝材料的水化反应生成钙矾石晶体以及土颗粒在碱性环境中发生离子交换和团粒化作用;③强度增长阶段:钙矾石晶体相互连接,大量吸收周围环境中的水分,并将水分变成自己的结晶水;水化残余物氢氧化钙在水中和空气中发生碳酸化作用。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。