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The metastable phase equilibrium of the quaternary system Na(superscript +)∥Cl(superscript -), CO3(superscript 2-), B4O7(superscript 2-)-H2O was studied at 273 K by isothermal evaporation method, the solubility and density of the equilibrium solution of this system were determined and the metastable equilibrium phase diagram was plotted in line with the experimental data. The phase diagram of the system consists of three univariant curves, three crystallization fields and one invariant point.

采用等温蒸发法研究简单四元体系Na∥Cl，CO3(上标 2-)，B4O7(上标 2-)-H2O273K时的介稳相平衡，并测定该体系273K平衡液相中各组分的溶解度及密度，该体系的介稳相图和密度组成图显示：该四元体系在273K时的相图由3条溶解度单变量线、3个结晶区及1个共饱和点组成。

Based on the solubility data, the phase diagram of the system was plotted, which consists of three univariant curves E1E, E2E and E3E, one invariant point E and three crystallization fields: KCl, K2B4O74H2O and K2SO4 The experimental result s show that potassium chloride had the salting-out effect on potassium borate (K2B4O74H2O), and potassium sulphate (K2SO4) Meanwhile, the law of density was discussed briefly.

根据实验数据绘制了相应的相图。相图中有一个共饱点E，三条单变曲线E1E，E2E和E3E；三个结晶区平衡固相分别为：K2B4O74H2O，K2SO4和KCl。实验结果表明KCl对K2B4O74H2O和K2SO4有盐析作用，并简要讨论了密度变化规律。

In the metastable phase diagram of the quaternary system Li+,K+,Mg~(2+)//SO_4~2-_-H_2O at 15℃, there are three invariant points of four co-existed phases, seven univariant metastable solubility curves and five crystallizing zones.

四元体系Li+，K+，Mg~(2+)//SO_4~2-_-H_2O在15℃介稳相图存在3个四元无变量点、7条单变量介稳溶解度曲线和5个介稳结晶区。

In the metastable phase diagram of the quaternary system Li+,K+,Mg~(2+)//SO_4~2-_-H_2O at 15℃, there are three invariant points of four co-existed phases, seven univariant metastable solubility curves and five crystallizing zones.

四元体系Li+，K+，Mg~2+(来源：bcAB77C论文网www.abclunwen.com//SO_4~2-_-H_2O在15℃介稳相图存在3个四元无变量点、7条单变量介稳溶解度曲线和5个介稳结晶区。

And probable mechanism for the solubility differences was illuminated by the analysis of unreduced SDS-PAGE. Results The purity and following treatment of inclusion bodies of CPB were influenced by the culturing temperature after the inducement with IPTG.

结果诱导后生长温度不同对rCPB包涵体的纯度及后期处理均有影响；rCPB包涵体在10 mol/L尿素溶液中的溶解度比在8 mol/L 尿素溶液中提高2~3倍；添加0.75%β-巯基乙醇能显著改善rCPB包涵体的溶解效果。

Membrane scaling is caused by the deposition of unsoluble salts as feedwater is converted to brine. In this process the ion concentration of calcium, magnesium and so on increases greatly which will lead to that the ion product of sparingly soluble salts exceeds its solubility product, and the unsoluble salts deposite on the surface of RO membrane to form membrane scaling.

在反渗透海水淡化过程中，由于膜的浓缩作用，浓水中的钙、镁等离子浓度大大增加，从而使难溶盐的离子积大于其溶度积，在反渗透膜表面形成膜垢，影响整个反渗透装置的正常运行，缩短了反渗透膜的使用寿命。

The results were shown as following:(1)Compared with unsubstituted Pc, the introduction of carboxyphenoxy improves the solubility of four Pc derivates, and can be attributed to amphiphilic phthalocyanine. This property is most important for photosensitizer to transmit in vivo and enrich on the surface of tumors.

研究结果表明：(1)合成的四种酞菁与其它酞菁类衍生物相比，由于用羧基苯氧基对酞菁周边环进行了修饰，其溶解性能得到明显地改善，属于两亲性酞菁化合物，这种溶解特性适合其作为光敏剂在体内的传输和在肿瘤组织中的富集。

The compatibility of grafted version with butylruber matrix was studied by analsising solubility parameter of A-151 and butyl rubber, surface free energy of modified nano-silica and unvulcanized tensile compound butyl rubber. In the paper, the effects of modified nano-silica on physical properties of vulcanizes were studied.

通过研究偶联剂(A-151)和氯化丁基橡胶的溶解度参数、改性纳米二氧化硅和未硫化增强硫化胶的表面自由能分析了改性纳米二氧化硅与未硫化增强胶的相容性。

Black fungus acidic heteropolysaccharide mice by intraperitoneal injection experiment results show that the polysaccharide has the promotion of white blood cells increase, anti-coagulation and reduce the role of platelets and its activity as the polysaccharide molecular weight and uronic acid content decreased and increased, namely, biological activity depends on the polysaccharide solubility in water.

黑木耳酸性杂多糖小鼠腹腔注射试验结果表明，该多糖具有促进白细胞增加，抗凝血和降低血小板的作用，其活性随着多糖分子量和糖醛酸含量降低而增大，即生物活性依赖于多糖在水中的溶解度。

Based on the pot experiments ,effects of Dibutyl phthalatepollution on contents of solubility carbohydrate ,MDA, blade pigment, protein, glutathione and amino acid of Vallisneria s piralisL were s tudied during a long p eriod of 25 days .

在本实验浓度范围内，苦草对邻苯二甲酸二丁酯有一定的适应能力，DBP污染对苦草丙二醛和可溶性糖含量以及叶片中叶绿素含量的影响比较相似都有一定的起伏。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐