cation exchange的例句大全

A polyethylene cation exchange capillary with I. D. 0.8mm, length 20m, exchange capacity 0.7 Meq/ g, 60% capacity in 10 s ( flow rate 20ml/ min) was prepared. The separation behavior in capillary ion exchange electrochromatography was investigated.

在本文所述的最佳条件下，可制得内径0.8mm、长20m、交换容量0.7Meq/g、10s相对交换率达60%以上（流速20ml/min）的聚乙烯阳离子交换毛细管。

The polystyrene cation exchange resin was exchanged by La 3+ ions and then was carbonized to make resin carbon material. The electrochemical properties of the resin carbon material as the electrode of the lithium ion cell were investigated.

制备了La3+掺杂的聚苯乙烯阳离子交换树脂，对其进行碳化处理，分析了树脂碳化产物的组成和结构，并进一步考察了树脂碳化产物作为二次锂离子电池碳电极材料的电化学行为。

The Catalytic Hydrogenation Properties of Cation Exchange Resin of Furan Derivatives

呋喃衍生物阳离子交换树脂加氢催化性能

In ion exchange phytic was dissolved with distilled water and cation exchange resin and then passed through cation exchange column at the rate of 50 ￣ 100ml/ min.

离子交换是首先用蒸馏水和阳离子交换树脂溶解菲丁，然后以50～100ml／min的通液速率通过树脂柱交换；

montmorillonite is one of the most common clay minerals in soils, and has always been used as materials for environmental pollution treatment, due to its high specific surface area ( ssa), swelling ability and high cation exchange capacity.

蒙脱石是土壤和环境中常见的粘土矿物，其具有可膨胀性、比表面积大、阳离子交换量高等特点，被广泛应用于环境污染的治理材料。

exchange-absorption behavior of amino nitrogen on four kinds of cation exchange resins was investigated in the work;

研究了苹果汁中氨基态氮在四种阳离子交换树脂上的交换吸附行为；

Loess has the characteristics of relatively high clay contents, larger specific surface area, relatively strong adsorptivity, and relatively high capacity of total cation exchange. These factors are beneficial to the retardation of radionuclide migration.

黄土中的粘粒含量较高、比表面积较大、吸附性较强、阳离子交换容量也较高，这些因素对迟滞放射性核素的迁移有利。

the esterification reaction of hexane diacid with 2 ethyl hexanol was studied by using modified β zeolite as catalysts. the effects of cation exchange degree, calcining temperature and the surface acidity on the catalytic activity were discussed.

用改性β沸石作催化剂，研究了己二酸与2－乙基己醇的酯化反应，讨论了阳离子交换度、焙烧温度及表面酸性对催化活性的影响。

the results showed that multifunctional composite can decreased soil ph and bulk density, increased the contents of total porosity, and improved soil cation exchange capacity.

结果表明：多功能复合材料可以降低土壤的pH值和土壤容重，提高土壤总孔隙度，提高土壤阳离子交换容量。

The negative influence from chemistry and operator on the measurement of cation exchange capability ( CEC) with titration method is analysed.

化学滴定法测量阳离子交换能力（CEC）值存在缺陷。

Adsorption and Release Characteristics of Cation Exchange Resin for Calcium Channel Blocker

阳离子交换树脂对钙拮抗剂的吸附及控释特性

Based on this media, a new hydrophilic weak cation exchange stationary phase ( WCX) for high ( performance) liquid chromatography was synthesized by a new chemical modification method.

该微球经化学改性后得到一种亲水性良好的新型高效弱阳离子交换色谱固定相。

The procedure involved that homogenization of the egg white sample, preliminary purification with sodium chloride, and chromatographic separation by the weak cation exchange column ( XIDACE WCX).

蛋清样品匀浆后，用氯化钠初步纯化，然后用弱阳离子交换柱XIDACE WCX分离。

Based on the experiment, most of the properties of Na~+-bentonites such as the ethylene blue adsorbed by bentonites, cation exchange capacity and the like are better than Ca~ ( 2+)-bentonites'.

从实验结果可知，钠化膨润土在各种指标上都比原钙基膨润土有显著的改善，如吸蓝量、膨胀容、胶质价、阳离子交换容量等。

Comparison of catalytic performances for the synthesis of ethyl tert-butyl ether using cation exchange resins

数种阳离子交换树脂对合成乙基叔丁基醚的催化性能比较

Hydrolysis of sucrose solution by cation exchange resin in stirred tank reactor

阳离子树脂催化蔗糖水解的速率及其对一级反应的偏离

by analyzing the changes of soil nutrients, ph and cation exchange capacity ( cec) on the loess plateau after implement of the world bank's loan project on soil and water conservation, the effect of soil and water conservation measures on soil chemical properties is studied.

通过对黄土高原水土保持世行贷款项目实施后土壤养分、pH和阳离子代换量变化的分析，研究了水土保持措施对土壤化学特性的影响。

preparation route of sba with catalyst of cation exchange resins is the main method of producing sec-butyl alcohol both at home and abroad.

以阳离子交换树脂为催化剂的丁烯水合反应，是目前国内外生产仲丁醇最主要的方法。

n-octyl acetate was synthesized from n-octanol and acetic acid by direct esterification using strongly acidic cation exchange resin as catalyst.

以乙酸和正辛醇为原料，强酸性阳离子交换树脂为催化剂，直接酯化合成了乙酸辛酯。

using conditional test, the isobutyraldehyde glycol acetal was synthesized from isobutyraldehyde and ethylene glycol by direct esterification using strong acidic cation exchange resin as catalyst.

运用条件实验法，以异丁醛、乙二醇为原料，强酸性阳离子交换树脂为催化剂，合成了异丁醛乙二醇缩醛产品。