The sodium is removed with cation exchange resin.
钠用阳离子交换树脂来分离。
Cation exchange resin, strong acidic styrene 909; amberlite irn-77;
强酸性苯乙烯系阳离子交换树脂（909型，核子级）；
Then-butyl hydroxyethanoate was synthesized by cation exchange resin as catalyst.
以强酸性阳离子交换树脂为催化剂，合成羟基乙酸正丁酯。
The common resuscitative agent for polluted cation exchange resin by iron is hydrochloric acid.
铁污染软化水用树脂常用复苏剂是盐酸。
Methods Alcohol and strong acid cation exchange resin were used in the extraction and separation.
方法醇类溶剂提取法、离子交换树脂分离法。
In the method, a weakly acidic cation exchange resin or a weakly basic anion exchange resin may be used.
使用弱碱性阴离子交换树脂的上述方法等。
When the fixed bed continuous process is used, the appropriate catalyst is strong acid cation exchange resin.
当采用固定床连续甲酯化反应时，适宜的催化剂为强酸性阳离子交换树脂。
Comparing the results, cation exchange resin was proved to be a good separating method for the green substance.
用阳离子交换树脂可以将该绿色物质成功分离出来。
Pyruvic acid, grain alcohol as material, cation exchange resin as catalyst, the ethyl pyruvate was synthesized.
论述了以丙酮酸、乙醇为原料，离子交换树脂作催化剂，催化合成丙酮酸乙酯的新工艺。
Taking succinic acid, alcohol as material, cation exchange resin as catalyst the diethyl succinate is synthesized.
论述了以丁二酸、无水乙醇为原料，离子交换树脂，催化合成丁二酸二乙酯的新工艺。
Objective: to select the optimum purifying process of total alkaloids from Sophora flavescens by means of cation exchange resin.
目的：考察阳离子交换树脂不同洗脱剂纯化苦参总生物碱的效果，优选最佳纯化工艺条件。
By using cation exchange resin modified cerium sulfate as the catalyst, itaconate acid and methanol reacted to form dimethyl itaconate.
研究了以强酸性阳离子交换树脂为催化剂，环己烷作带水剂，冰醋酸与异戊醇合成乙酸异戊 酯的反应条件。
Objective to select the optimum purifying process of total alkaloids in Sophora flavescens by different eluents on cation exchange resin.
目的考察阳离子交换树脂法中不同洗脱剂对苦参总碱的纯化效果，优选最佳纯化工艺。
The technological conditions of nonylphenol production from phenol and nonene using acidic cation exchange resin as catalyst were studied.
研究了以苯酚、壬烯为原料，酸性阳离子交换树脂为催化剂，进行烷基化反应生产壬基酚的工艺条件。
The extract was decolored and desalted by using anion and cation exchange resin. The desalted liquid was filtered with an ultrafilter membrane.
用阴阳离子交换柱去除杂质，同时起到一定的脱色作用，进而运用超滤进行澄清。
The non-isothermal thermal decompsition reaction kinetics of powdered sodium polystyrene sulfonate cation exchange resin was studied by DSC method.
用DSC法研究了粉状聚苯乙烯磺酸钠阳离子交换树脂受热反应的非等温动力学。
Calcium ions in the solution can be recovered by cation exchange resin. Then the solution, which is rich in glyphosate, can be utilized as resource.
试验中产生的沉渣加入盐酸可完全溶解，用阳离子交换树脂可回收溶液中的钙离子，处理后溶液富含草甘膦，可进一步资源化利用。
The etherification of isoamylenes and methanol to form tert all methyl ether (TAME) by benz-sulfonic acid cation exchange resin as catalyst, was studied.
研究了苯磺酸型树脂催化的异戊烯和甲醇的醚化，考查了温度、醇烯比和空速对反应的影响。
Ion exchange equilibrium of neutral amino acids on 732 strong acid cation exchange resin in non buffer systems were studied and an equilibrium model was proposed.
研究了非缓冲体系中性氨基酸在732型强酸性阳离子交换树脂上的离子交换平衡，并提出了平衡模型。
Conclusion The methods of extraction of alkaloids with alcohol and separation with strong acid cation exchange resin are economy, convenient and highly efficient.
结论乙醇提取、强酸性阳离子树脂提取、分离总生物碱是一种经济简便、效率较高的方法。
Synthesis of dimethyl succinate from succinic acid and methanol on cation exchange resin NKC-9 was studied under adsorption dehydration with 3A zeolite adsorbent.
以阳离子交换树脂NKC-9固体酸为催化剂、丁二酸和甲醇为原料，采用分子筛吸附脱水技术合成丁二酸二甲酯。
The main work is as followings:The kinetics of the synthesis of methyl acetate was measured in a batch stirred reactor with C100 cation exchange resin as catalyst.
以C100型阳离子交换树脂作为催化剂，在间歇搅拌釜式反应器中测定了甲醇和醋酸合成醋酸甲酯的本征反应动力学。
Free amino acids s content and composition in Litchi fruit stones extraction and eluate by 732 cation exchange resin were determined by ICS-2500 ion chromatograph.
为测定荔枝核中的游离氨基酸，采用ICS - 2500离子色谱分析仪，分别测定了荔枝核提取液与732阳离子交换树脂洗脱液中的氨基酸的组成和含量。
This paper introduces methanol refining method and pilot-scale production result by using 732-cation exchange resin and, summarizes activation and regeneration of the resin.
详细介绍用732型阳离子交换树脂精制甲醇的方法及生产性试验的效果，并简述了树脂的活化、再生方法。
The disk type module is the core of the water softening plant and is characterized in that the water softening chamber is filled with single strong acid cation exchange resin.
圆盘式膜堆是该软水装置的核心部分，其特征是软水室中填充单 一的强酸性阳离子交换树脂。
A cation exchange resin was applied to purify the crude soyasaponins obtained by solid phase extraction (SPE) using AB-8, a kind of polystyrene matrix macroporous absorbent resins.
以大孔吸附树脂提取的大豆皂苷粗提物为研究对象，利用阳离子交换树脂进行纯化。
By giving examples, including the determination of acetic acid content in aqua ammonia, the use is described of the cation exchange resin in analysis in nitrogenous fertilizer plants.
通过氨水中乙酸含量的测定等实例，介绍了阳离子交换树脂在氮肥厂分析中的应用。
The structural groups of carbonized products of phenolic aldehyde resin and polystyrene cation exchange resin treated at different temperatures are tested and analyzed with IR method.
用红外光谱法对不同温度下处理的酚醛和聚苯乙烯阳离子交换树脂碳化产物的结构基团进行了测试分析。
The structural groups of carbonized products of phenolic aldehyde resin and polystyrene cation exchange resin treated at different temperatures are tested and analyzed with IR method.
用红外光谱法对不同温度下处理的酚醛和聚苯乙烯阳离子交换树脂碳化产物的结构基团进行了测试分析。
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