Hardness is caused by divalent metallic cations.
硬度是由一些两价金属阳离子引起的。
The paper introduces the research on RHJ asphalt emulsifiers of cations.
介绍了RH J型阳离子沥青乳化剂的研究过程。
N deposition can acidify the soil and leaching the exchangeable base cations.
氮沉降能引起土壤酸化，同时造成土壤盐基离子淋失。
It is obvious th at A. C. motors are superior to D. C. motors in many appli cations.
显然，交流电机在许多应用场合比直流电机优越。
The stability of hydrated divalent iodates is expected to be related to the electronegativity of the corresponding cations.
并讨论了二价碘酸盐水化物的稳定性与阳离子电负性的关系。
The improvement in cycling performance is attributed to the stabilization in the spinel structure by the doped metal cations.
循环性能的提高归于掺杂的金属阳离子使尖晶石结构趋于更稳定。
The results indicate that the interlayer space is influenced by the layers of water molecules which is decided by ionic potential of interlayer cations.
结果表明：蛭石晶层的层间距主要受层间水分子层数的影响，而后者又主要由层间阳离子的离子势大小决定。
It comes from the fact that in an electrochemical cell, the cations are those that are reduced.
这来源于在电池中，正离子是被减少的。
When an organic molecule like electron donating pyridine adsorbs on the surface, cations get reduced due to charge transfer.
当一个有机分子如电子给予体吡啶吸附在表面上时，阳离子由于电子转移而还原。
Only large cations with low charge give a stable ionic lattice with the large polyhalide ions.
仅仅带低电荷的大的阳离子，能和大的多卤化物离子产生稳定的离子晶格。
Only large cations with low charge give a stable ionic lattice with the large polyhalide ions .
仅仅带低电荷的大的阳离子，能和大的多卤化物离子产生稳定的离子晶格。
The current efficiency that could be improved by using tetrabutylammonium cations nearly retained the same performance at different concentrations of the said reagent.
四丁基铵阳离子可以提高电流效率，但电流效率的增加值不受浓度变化的影响。
We find that the chain transfer reaction between oligomeric radical cations and monomers is the key to elucidate these questions.
我们根据实验结果并借鉴前人的经验，指出低聚物阳离子自由基向单体的链转移是诠释这一切问题的关键。
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.
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。
The usual source of trivalent cations in water treatment is alum (aluminum sulfate).
在水处理中三价阳离子通常来源于明矾（硫酸铝） 。
Ionic liquid is also known as room temperature molten salts, which consists of nitrogen-containing organic cations and inorganic anions.
离子液体又称室温熔盐，基本上是由含氮的有机阳离子和大的无机阴离子组成。
Room temperature ionic liquids (RTILs) are a class of organic salts that remain liquid at or near room temperature, usually composed of organic cations and organic or inorganic anions.
室温离子液体是由有机阳离子和无机或有机阴离子构成的、在室温或室温附近呈液态的一类有机盐。
The cationic surfactants based on bisamide and imidazoline quaternary ammonium salts were synthesized and the content of cations was determined.
合成双酰胺季铵盐和咪唑啉季铵盐阳离子表面活性剂，并进行阳离子含量测定。
A negative correlation existed between the levels of cations in haemolymph and excreta.
血淋巴中阳离子水平与排泄物的量呈负相关。
One means of accomplishing this end is to add trivalent cations to the water.
实现这一目的的一种方法是将三价阳离子加入水中。
The method of exchange coefficient of cations involves a complex calculation procedure and fits to solve field problems.
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。
Common cations in soil could make obviously absorption rate of water of high water-absorbing resin reduce.
土壤中常见阳离子对高吸水树脂吸水率具有很强的降低作用。
More and more people are opting for so called 'Stay-cations' or domestic tourism instead of traveling abroad.
越来越多的人正在选择所谓的“居家旅游”或者国内游，而不是出国旅行。
High contain of water - soluble cations was found during the later stage of storage with calcium treatments.
钙处理使水溶性阳离子总量在贮藏后期仍保持较高水平。
Inner- and outer-sphere surface complexes of all such three cations with tetrahedral and octahedral charge sites were observed in the one-layer hydrates.
一层水合物中可以观察到三种阳离子都能和四面体电荷与八面体电荷位置分别形成内、外配位作用。
For ionic compounds, the state of having exactly the ratio of cations to anions specified by the chemical formula.
在离子化合物中，正、负离子的比例严格遵守化学公式定义的化合价关系。
The modified bentonite has better qualities and ability of decolorization, sweeten and removing heavy metal cations and aromatic compounds and hard biodegradable harmful organic compounds.
改性膨润土可去除水体中的重金属离子、芳香族化合物、有毒难生物降解有机物，还具有脱色、脱磷、除臭等作用。
Natural sand adsorbed viruses increasing with the presence of metal cations, their contents and valence, but this positive role was not clear to modified sand adsorption viruses.
金属阳离子可促进天然砂吸附病毒，并随其浓度和价态的增加而增加，但对修饰砂作用不明显。
Orthotropic shallow cylindrical shells with large deflection are theoretically calculated and experimentally analyzed under the cations of uniform and concentrated loads.
对正交异性扁薄圆柱壳在均布载荷及集中载荷作用下的大挠度问题进行了理论计算和测量。
Orthotropic shallow cylindrical shells with large deflection are theoretically calculated and experimentally analyzed under the cations of uniform and concentrated loads.
对正交异性扁薄圆柱壳在均布载荷及集中载荷作用下的大挠度问题进行了理论计算和测量。
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