蒙脱石晶层中单价交换阳离子所占据的面积及层电荷的确定方法,并对不同种方法进行了比较。
The area occupied by the monovalent exchange cation in the lattice layer of the montmorillonite and the determination ways of layer charge are presented. The different ways are compared.
根据宣城沸石化学成分、可交换阳离子组成和热处理晶体结构演化,判断宣城沸石为富钙斜发沸石,具有低热稳定性的特点。
According to chemical composition, exchangeable cation and thermal behaviors of crystal structure, Xuancheng zeolite should belong to calcium-rich clinoptilolite with low thermal stability.
采用稀酸套洗工艺代替传统的加水稀释洗涤工艺,成功地解决了阳离子交换树脂生产中废酸的回收利用问题。
The waste acid from the manufacture of cation exchange resin can be successfully recovered and reused by a new washing process with dilute acid instead of traditional washing process with water.
钠用阳离子交换树脂来分离。
电解阳离子交换模块,简称e - CEM,该项目一直由美国海军研究实验室开发。
The Electrolytic Cation Exchange Module, or E-CEM for short, has been under development by the US Naval Research Laboratory.
采用732型阳离子交换树脂分离镍及其它阳离子后,分别用氢氧化钠和硝酸银滴定硼酸和氯离子。
Type 732 cation exchange resin was added in nickel bath to separate nickel ions and other cations, boric acid and chloride ions were then separately titrated by sodium hydroxide and silver nitrate.
本文介绍了一种能满足L-羟基脯氨酸离子层离新技术工艺要求的大孔强酸型阳离子交换树脂的研制开发情况。
The present work aimed at development of a macroporous strongly acidie ion exchange resin, possessing an appropriate pore structure for ion-exchange-chromatographic purification of L-hydroxyproline.
而阳离子交换膜只允许阳离子透过,不允许阴离子透过。
And cation exchange membrane only allow cationic through, does not allow anionic through.
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.
通过对青海主要土壤类型剖面的有机质、机械组成、阳离子交换量三者之间的关系分析。
The relationship was analysised between organic matter, soil granular composition and cation exchange capacity(CEC) in Qinghai major soil types.
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。
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.
分析了晶体化学式计算法、烷基季铵盐法和阳离子交换容量法的测定原理和计算方法。
The measurement principle and the crystal-chemical formula method, the cation exchange capacity method and alkyl ammonium method are discussed.
结果表明,在低酸度区萃取主要按阳离子交换反应进行,在高酸度区溶剂化萃取反应则变得明显。
As a result, the cation exchange reaction is predominant in the low acidity region, and the salvation extraction becomes appreciable in the high acidity region.
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。
The non-isothermal thermal decompsition reaction kinetics of powdered sodium polystyrene sulfonate cation exchange resin was studied by DSC method.
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。
Objective to select the optimum purifying process of total alkaloids in Sophora flavescens by different eluents on 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。
When the fixed bed continuous process is used, the appropriate catalyst is strong acid cation exchange resin.
树脂直接水合法是以固体酸性阳离子交换树脂作催化剂,以丁烯在超临界状态下与水反应生成仲丁醇。
Resin direct hydration method is the procedure that butylenes which is in super-critical status reacts with water to produce secondary butyl alcohol with the catalyst of acid cation exchange resin.
目的研究极性有机溶剂辅助阴、阳离子交换色谱串接组合纯化蛋白质的可行性。
PurposeTo explore the possibility of combination of anion and cation exchange chromatography by using the polarity organic solvents in eluent.
用阳离子表面活性剂作改性剂,通过阳离子交换法对膨润土进行有机改性制得有机膨润土。
The organic bentonites were prepared by the organic modification to bentonites by cation exchange process using cationic surfactant as modifier.
阳离子交换系数方法计算过程复杂,适用于解决野外实际问题。
The method of exchange coefficient of cations involves a complex calculation procedure and fits to solve field problems.
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。
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.
在同等阳离子交换容量变化时,饱和高矿化度水的岩石电阻率降低值相对大。
When the equal amount of cation exchange changes, the reduced value of the rock resistance which has high salinity water is big in contrast.
研究了化学成分、阳离子交换容量与胶体性能的关系。
The relationship between its colloid properties and chemical compositions as well as cation exchange capacity was researched.
研究结果表明,泥质砂岩薄膜电位与岩石阳离子交换容量、含油气饱和度、接触溶液浓度差密切相关。
The membrane potential of shaly sand was influenced by the cation exchange capacity, hydrocarbon saturation and concentration difference of the contacted solutions.
膨润土,因其特殊的晶体结构而具有良好的吸附能力、阳离子交换能力和吸水膨胀能力。
Bentonite has good ability of adsorption, cation-exchange and swelling by drinking water, due to its special crystal structure.
交换性阳离子组成、养分全量及速效含量可作为评价红粘土红壤化学肥力演化的指标。
The composition of exchangeable cation and the soil nutrient content can be used as the indexes to evaluate soil chemical fertility evolution, especially the former is more important.
系统研究了碱金属、铵离子和烷基胺在磺酸型阳离子交换树脂柱上以有机酸和无机酸为淋洗液的保留行为。
Retention behavior of alkali metals, ammonium ion and alkyl amines on a sulfonic cation-exchange resin column with organic acid and inorganic acid as eluent was studied.
本研究应用国产732阳离子交换树脂,从茶愈伤组织浸提液中提取茶氨酸。
Theanine were purified from the extract of tea callus with 732cation resin colum chromatognaphy.
在催化精馏塔内以压制的强酸性阳离子交换树脂为催化剂填料对甲酸甲酯水解制甲酸进行了实验研究。
Hydrolysis of methyl formate to form formic acid was studied experimentally by using strong-acid cation-exchange resin as catalyst and packing in a catalytic distillation column.
在催化精馏塔内以压制的强酸性阳离子交换树脂为催化剂填料对甲酸甲酯水解制甲酸进行了实验研究。
Hydrolysis of methyl formate to form formic acid was studied experimentally by using strong-acid cation-exchange resin as catalyst and packing in a catalytic distillation column.
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