交换容量

实验结果表明：漂洗废水的pH值、Ni2+浓度、硬度都会影响阳树脂的工作交换容量；

It is showed that pH value , Ni2 + concentration and hardness would affect the exchange capacity of cation resin ;

BS的钠离子交换容量为78%。

The sodium ion exchange capacity of BS was showed robe 78 % .

通过扫描电镜、化学组成分析、X射线衍射和热重差热分析对自制的新型分子筛进行了表征，并测定了分子筛对纯钾溶液和海水中K+的交换容量及对K+的选择性系数。

The self-made molecular sieve for potassium was characterized by SEM , chemical composition analysis , XRD and TGA-DTA .

本文叙述了天然菱沸石吸附~（137）Cs的性能，并测定了交换容量。

The adsorption property of natural cabasite for removing ~ ( 137 ) Cs is described .

考察了其对Na+，K+，Rb+的表观离子交换容量随溶液pH值的变化情况；

The changes of the apparent ion exchange capacities of Na + , K + , Rb + with pH value of solution were studied .

阳离子交换容量CEC数值较大，达到了13.9-34.0cmol／kg。

Exchangeability cation CEC number value were up to 13 . 9 - 34 . 0 cmol / kg .

角蛋白在降解过程中可提高土壤内生物活性，使土壤中矿质氮增加、呼吸作用增强，同时还可以调节土壤pH值，提高土壤中的阳离子交换容量。

Keratin in degradation improves microbe activity , mineral nitrogen and soil respiration . However the pH of soil can be adjusted and the IEC can be improved .

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

酸改型后，测定了对碱金属离子饱和交换容量、分配系数、pH滴定曲线、交换次数等参数。

Its ion-exchange properties for alkali ions such as saturation capacity of exchange , distribution coefficient , the pH titration curve and service cycles were ( determined ) .

随总含水饱和度的增大，阳离子交换容量和胶结指数以及因数b对混合泥质砂岩电导率与总含水饱和度的关系曲线的影响增大。

The curves between total formation conductivity and total water saturation are affected by cation exchange concentration , cementation exponent and coefficient , and the effect increases as total water saturation increases .

所研究Al－MgMMH溶胶粒子的阴离子交换容量为2.82mmol／g，比粘土粒子的阳离子交换容量大得多。

The anion exchange capacity of studied Al Mg MMH is about 2.82 mmol / g , which is much larger than the cation exchange capacity of clays .

因此开发T比特级交换容量具有丰富QoS支持的高性能路由器已经成为网络技术领域研究的热点。

Thus developing high-performance routers with terabit switching capacity and multiple QoS services support has become the focus of studies on modern network technology .

阳离子交换容量CEC对沉积物吸附对硝基苯酚几乎没有影响。

And the cation exchange capacities of sediments have almost no influence to the sorption of p-nitrophenol .

结果表明，450℃焙烧2h，蛭石粉体阳离子交换容量可提高17.5%以上；

The results indicate that the CEC can increase 17.5 % when vermiculite powder is to be calcined at 450 ℃ for 2h .

在微波场作用下合成了粒度均匀、白度和钙离子交换容量高、性能优异的4A分子筛。

Good quality zeolite 4A with homogenous particle size , high whiteness and high calcium exchangeability was successfully synthesized in microwave field .

考察了PVA含量对共混膜成膜性、吸水率、溶胀度、离子交换容量、热稳定性、离子传导率及力学性能的影响。

The effects of PVA content on membrane preparation , water uptake , swelling degree , IEC , thermal stability , ionic conductivity and mechanical strength were all investigated .

Na2CO3作为改型剂使钙基土的CEC（阳离子交换容量）提高了26.7%，钠化改型后所制得的有机土的粘度达到0.840Pa·s。

The CEC of calcium base bentonite can be increased by 26.7 % with Na2CO3 , the viscosity of organobentonite is 0.84Pa · s.

实验结果表明：AB-8树脂吸附和分离桑椹红色素的交换容量为66.15mg/ml湿树脂。

The resultsshowed : adsorption capacity of AB-8 resin for mulberry red pigment was 66.15mg/ml wet resin .

阴离子交换容量（AEC）是反映混合金属层状氢氧化物（MMLHC）电荷特性的重要指标。

Anion exchange capacity ( AEC ) is an important property of mixed metal layered hydroxide compound ( MMLHC ) .

聚乙烯醇（PVA）纤维直接脱水反应形成多烯化纤维，随后磺化处理制得盐解交换容量达2～32mmol·g-1的强酸型阳离子交换纤维。

The strong acidic ion exchange fibers with higher exchange capacities up to 3.2 mmol · g - 1 were prepared by the dehydration reaction of polyvinyl alcohol ( PVA ) fiber followed by sulfonation .

微波场作用下合成4A分子筛的白度为94%，钙离子交换容量为每克干沸石310mgCaCO3，平均粒度为2.561μm；

The whiteness of the products obtained in microwave field was 94 % , the calcium ions exchange capacity 310 mg CaCO_3 / g dry zeolite , and the average particle size 2.561 μ m.

测定出斜发沸石的阳离子交换容量为192.18mmol/100g沸石；

The cation exchange capacity of clinoptilolite was determined as 192.18mmol/100g zeolite .

本文采用碱性条件下的腈纶水解法，以硫酸肼为交联剂，制备了具有高交换容量和良好物理-机械性能的弱酸性阳离子交换纤维，最高交换容量可达8.4mmol/g（H型干纤）。

The weakly acidic cation - exchange fibers with high exchange capacities and good physico-mechanical properties were prepared by hydrolysis of acrylonitrile copolymer fibers under basic condition . The crosslinking agent was hydrazine sulfate . The highest exchange capacity of H + form fiber is 8 . 4 mmol / g.

首次提出了泥页岩X射线衍射定向指数的测定方法，探讨了定向指数与矿物成分，定向指数与泥页岩理化性能（密度、回收率、膨胀率、阳离子交换容量等）的关系。

This paper gives out a method for the determination of Orientation Index of shales by X ray diffraction . Meanwhile , the relations between orientation Index and mineral compositions and physicochemical properties ( density , recovery percent , expansion percent , cation exchange capacity etc. ) are discussed .

本文首次通过对聚苯硫醚（PPS）纤维主链苯环的Friedel-Crafts烷基化交联与磺化两步反应制得一种交换容量高、化学稳定性能好的强酸离子交换纤维新材料。

A novel strong acidic ion-exchange fiber was firstly prepared by the Friedel-Crafts crosslinking and sulfonation of commercial PPS fibers , and the novel fibrous material had high exchange capacity and good chemical stability performance .

采用Friedel－Crafts交联和部分胺化反应合成了一种低交换容量的大孔阴离子交换树脂，研究其对氰化液中Au（I）的交换能力。

The paper presents macroporous anion exchange resins with low exchanging capacity was synthesized by friedel-crafts crosslinking reaction and partial amination . Its exchanging capacity , selectivity for Au ( I ) and antiwear-tear ability were studied .

活性炭用HNO3（1∶1）氧化并经300℃左右温度煅烧改性后，具有较高的阳离子交换容量，其阳离子交换容量达到1.88mmol/g。

Oxidized by HNO_3 ( 1:1 ) and then calcined under 300 ℃, the active carbon has higher cation exchange capacity , and reaches 1.88 mmol / g.

在DEAE-纤维素（OH~-）总交换容量为0.8482mmol／g的条件下，DEAE-纤维素（OH~-）对枸杞总多糖的交换容量为0.05386g/g，此时枸杞多糖四个级分得到有效分离。

The total exchange capacity of DEAE-cellulose ( OH ' ) was 0.8482mmol/g and its exchange capacity to LBP was 0.05386g/g . The four fractions of LBP can be separated well under this condition .

实验结果表明，大孔树脂LSA-30比较适合吸附和分离苦杏仁苷，其交换容量为55.5mg/mL的湿树脂，在室温条件下，pH在6-9时，吸附能力较强；

The results showed : LSA-30 resin is fit to adsorb and separate amygdalin , the adsorption capacity of LSA - 30 resin for amygdalin was 55.5mg/mL wet resin .

聚苯乙烯氯球经Friedel－Crafts后交联反应以后再磺化，合成一类具有较高交联度和较低交换容量的阳离子交换树脂。

A new kind of cation exchange resins with high cross-linking degree and low exchange capacity was synthesized by the Friedel-Crafts post-cross-linking reaction of the chloromethylated beads copolymerized by styrene and divinylbenzene and sulphonated reaction .