查询词典 solubility

The results showed that depending relatively largely on temperature, the solubility of xylitol decreased with adding ethanol and increased with adding impurities such as sorbitol or adonitol.

结果表明，木糖醇属于溶解度温度系数较大的一类物质；乙醇的加入可降低木糖醇的溶解度；而阿东糖醇、山梨醇等杂质会适当增大木糖醇的溶解度。

The hotspot in chitosan study is to increase its solubility and the adsorptive capability of Cu.

壳聚糖是一类带阳离子的动物纤维素和自然界唯一天然碱性多糖(图1)。

Methods The experiment was carried out based on theory and methods in chemistry; According to the membrane performance, the membrane water solubility, and other characters, the author took experiment on the alginic acid sodium, chitsan, the gelatin and other biological materials.

参照化工学的理论和方法，进行实验研究；从海藻酸钠、壳聚糖、明胶等生物相溶性较好的物质中，依据反应成膜性能、膜的水溶解性和生物相溶性，以及自身流动性和表面接触角度等特点，先进行组分筛选，再行研制确定。

Research on the solution chemistry of Al-V-Mo system in aquous solutionAccording to the calculation of solution chemistry,the solubility and existing status of Al,V and Mo in acidic and alkalic solution had been analysed in theory.The concentration logarithmic diagram of Al-V-Mo in aquous solution with different concentration and pH had been plotted,the concentration and pH on the distribution of three elements had been analysed.

铝、钒、钼水溶液化学性质的研究：采用溶液化学计算方法对铝、钒、钼体系进行了计算，从理论上分析了铝钒钼在酸性和碱性溶液中的存在状态和溶解性能，绘制了不同浓度及pH条件下铝、钒、钼水体系的优势组分图，分析了离子浓度和pH值对体系中各离子分布的影响，为水溶液中铝、钒、钼的分离技术的选择提供了基础。

The results indicate that the introduction of alkoxy can greatly enhance the solubility of PPV in common organic solvents like THF, methylene chloride and so on.

结果表明，烷氧基取代基的引入显著地改善了PPV在THF和氯仿等一般有机溶剂中的可溶性，其可溶性随取代基长度的增加而提高。

The results indicatethat the introduction of alkoxy can greatly enhance the solubility of PPV in commonorganic solvents like THF, methylene chloride and so on.

结果表明，烷氧基取代基的引入显著地改善了PPV在THF和氯仿等一般有机溶剂中的可溶性。

If the straight-chain alkoxy group is too long, it's crystalline enhances, therefore thepolymer's solubility declines.

取代基长度进一步增加时，直链烷基自身的结晶性提高而柔顺性下降，聚合物可溶性反而有所降低。

In this paper, PPVs derivatives with alkoxyl as side-chain and PPVs derivatives containing oxadizole were synthesized; the monomers and polymers were characterized as well. It was studied systemically the influence of component and molecular structure of main-chain and side-chain or side-groups on polymer solubility, electroluminescent and photoluminescent properties, thermostability, and light-emission device performance.

合成了烷氧取代以及主链中含有噁二唑的PPV衍生物，详细研究了各种单体和相关聚合物的合成并对其结构与性能进行了表征，系统研究了聚合物主链、侧链或侧基的组成与结构特征对聚合物的可溶性、电致发光特性、光致发光特性、耐热性以及电致发光器件性能的影响。

Copolymers with the naphthoyimine chromophores were firstly obtained through Pd-catalyzed Heck reaction. The copolymers had good solubility in common solvents due to the presence of alkoxyl substituents in the molecular chains.

在钯催化下利用Heck耦合反应制备了以萘酰亚胺为发色团的共聚物，通过侧链上引入丁氧基醚链，使得聚合物具有很好的溶解度，能溶解在常用有机溶剂中。

There is an allotropic change temperature (1155K) for pure Ti and it is a hydrogen-absorbing metal for different solubility in a-phase titanium and 3-phase titanium. The hydrogen atom dissolves in lattice and occupies tetrahedron interstitial position, and then forms TiH2 sublattice of face-centered cubic.

钛是－种具有同素异型转变点T(1155K)的吸氢金属，氢在α钛和β钛中有不同的溶解度，在T以下易形成具有面心立方晶格结构的TiH2，氢原子溶解在晶格中，占据四面体间隙位。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。