盐的

Cellulose xanthogenate was used to treat heavy metal bearing wastewater. Conditions like dose of cellulose xanthogenate, pH value, reaction time and so on were studied.

采用纤维素黄原酸盐处理重金属废水，对纤维素黄原酸盐的用量小H值、反应时间等条件进行了研究。

The methods for the determination of bromate and perchlorate with ion chromatography were discussed emphatically.

重点介绍了离子色谱测定饮用水中溴酸盐和高氯酸盐的方法。

The invention relates to a continuous process for recovering caprolactam from aqueous caprolactam product, said aqueous caprolactam product comprising caprolactam, impurities, and water, said process comprising: adding alkali hydroxide to the aqueous caprolactam product, in an amount of not more than 100 mmol alkali hydroxide per kg of caprolactam; reacting at least part of the added alkali hydroxide to form alkali amino caproate, to obtain a caproate-enriched caprolactam product; and distilling the caproate-enriched caprolactam product at reduced pressure.

本发明涉及从含水己内酰胺产物中回收己内酰胺的连续方法，所述含水己内酰胺产物包括己内酰胺，杂质，和水，所述方法包括：以不超过100mmol碱金属氢氧化物/kg的己内酰胺的量将碱金属氢氧化物加入到含水己内酰胺产物中；让所添加的碱金属氢氧化物的至少一部分起反应，形成碱金属氨基己酸盐，以获得了富含己酸盐的己内酰胺产物；和减压蒸馏富含己酸盐的己内酰胺产物。

It has reached international advanced technical level and is the ideal material to substitute for the virulent Gold Potassium Cyanide.

公司生产的无氰金盐（亚硫酸金钠，也称无毒金盐），是经过专家多年的研究开发才获得成功的一种具有高科技含量的镀金新产品，技术达到国际领先水平，是替代氰化电镀工艺中氰化金钾等含氰有毒金盐的理想材料。

Then studied on several clays affect on the stability of ferrate solution. The results show the addition of clays retarded the decomposition of ferrate in alkaline solution. Through analysed the results of test, we found this due to the silicium or polysilicium of clays and its increasing stabilizing effect on ferrate when the concentration of silicium or polysilicium increases.

接着作了粘土对高铁酸盐溶液的稳定作用的研究，结果表明粘土对高铁酸盐溶液有良好的稳定作用，通过实验分析得到其稳定作用是由于粘土中溶出的硅酸根或多聚硅酸根所致，且随着其浓度的增加对高铁酸盐的稳定作用增强。

Therefore, the western Taim basin has been considered to be a favorable location in search for ancient sylvinite deposits. In order to indentify its marine or continental sedimentary facies and also the sedimentary stages, the authors selected the late stage evaporates of gypsum and salt minerals and measured the values of sulfur and chlorine isotopes.

为了更准备地判断其成盐的海陆相特征，即成盐物质的主要来源，以及岩盐沉积之前的古卤水蒸发浓缩阶段，预测更有前景的成钾远景区，论文选择了蒸发岩沉积序列中的石膏及石盐矿物，分别分析了其硫同位素及氯同位素分布特征。

Chlorophyll contents and xanthophyll cycle pool calculated from reflectance were closely related with cucumber tolerance to salt stress, and reflectance characteristics could be used as index to evaluate cucumber cultivar tolerance to salt stress.

利用光谱反射指标得出的叶绿素含量、叶黄素循环库的大小与黄瓜的盐害程度及不同品种的耐盐程度有密切关系，反射光谱特性可以用来作为筛选黄瓜耐盐的生理指标。

The binding capacities of the water-soluble chitosan and its derivatives to taurocholate and glycocholate as bile salts were investigated in vitro.

修饰后的壳聚糖结合胆酸盐的能力增强，说明引入更多的胺基或铵基有利于对胆酸盐的结合，胺基上烷基与胆酸盐的甾环之间也应当产生疏水相互作用；同样我们在体外也研究了水溶性壳聚糖及其衍生物对硬脂酸钠和十二烷基硫酸钠的结合能力及其影响因素。

Aggregation Behavior and the Hard Water Resistant Ability of Linear Alkylbenzene Sulphonate :MesoDyn Simulation and Quantum Calculation Study The quantum calculation and MesoDyn simulation were combined in this paper, the Critical Micella Concentration difference of LAS and AS was studied by the simulation, and aggregation morphology as well as aggregation behavior of linear alkylbenze sulfonate in aqueous solution was investigated by MesoDyn simulation in the presence and absence of shear.

水溶液中直链烷基苯磺酸盐的介观模拟及其抗硬水能力的量子化学计算将介观模拟和量子化学计算方法相结合，通过模拟的方法从介观角度研究了十二烷基苯磺酸盐和十二烷基磺酸盐临界聚集浓度的差异，考察了LAS水溶液体系的聚集形貌以及微相分离时发生的复杂行为。

This thesis included three parts:(1)The study of the complexation and threaded structures based on the benzo-21-crown-7/secondary dialkylammonium salt recognition motif;(2)Secondary dialkylammonium salt can thread through the cavity of pyrido-21-crown-7 to form the threaded structures;(3)The study of the size of macrocycle rings which can complex with secondary dialkylammonium salts.

本论文主要开展了以下三方面內容的研究：(1)基于苯并21-冠-7(B21C7)的主体冠醚和二级铵盐客体化合物的络合以及互穿结构研究；(2)客体二级铵盐穿过吡啶-21-冠-7(P21C7)的空腔形成准轮烷及轮烷互穿结构的研究；(3)对关于络合二级铵盐的冠醚环的尺寸大小做了探讨。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。