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The monomeric dye with more than two active group has the tendency of cross-linkage.

通过紫外-可见光谱、核磁共振和溶解性试验对聚合型染料的结构和性能进行了表徵,证明了染料分子与聚合物链的化学键合。

Suppression of the expression of RANKL by RNAi is likely to have great impact as a therapeutic tool in osteolysis such as osteoporosis.

用RNAi技术来抑制RANKL的表达将为骨质疏松等骨溶解性疾病提供新的治疗思路。

These kosmotropes may be divided into two groups which act somewhat differently:(1) polyhydroxy compounds fit in well with the hydrogen bonding arrangements, but stabilize any cluster 'flickering' via hydrogen bond rearrangement, as their hydroxyl groups are similarly separated to water-water separations, and (2) zwitterions where the balance between hydrophilicity, hydrophobicity, anionic and cationic characteristics ensures good solubility but only weak net interactions to surrounding water.

这些kosmotropes可分为两个群体行为稍有不同:(1)多羟基化合物符合了氢键安排但任何稳定集束'摇曳'经由氢键重排,由于其羟基同样隔开水水离职,(2)氨基酸的平衡,亲水性,疏水性,阴离子和阳离子特色ensures溶解性好,但只有弱相互作用网,对周围的水。

Increase the solvency of surfactant in acid and alkaline solubility, decrease viscosity, clear and transparent the solution,little impact to spumescence,can improve the cleaning power,cleaning durability and oil-dispersancy.

solubilization RQ-130 增加表面活性剂在酸液或碱液中的溶解性、降低粘度、使溶液清澈透明、对表面活性剂的泡沫性能影响小、提高清洗力和持久性与油污分散力。

A series of polys based on pyromellitic dianhydride, biphenylyl tetracarboxylic dianhydride, thiodiphthalic dianhydride bis benzene dianhydride and oxydiphthalic dianhydride were prepared in different solvents.

以所合成的AB_2单体为原料,合成了一系粘度较低、溶解性良好,带端酚羟基、苯甲酰基、乙酰基、氰代苯基和苯酰苯亚胺基的芳香族超支化聚酰亚胺,通过核磁波谱、红外光谱分析和元素分析对其结构进行确证。

In this master thesis work, I synthesized two new highly soluble and strongly visible-light absorbing alternating polymers using Suzuki coupling polymerization method that are based on 4,7-Bis-(3,4-dimethoxy-thiophen-2-yl)-benzo[1,2,5]thiadiazole monomers: poly2,7-(9,9-dihexylfluoren)-alt-5,5-4,7-Bis-(3,4-dimethoxy-thiophen-2-yl-benzo

在本篇硕士论文中,藉由Suzuki连结聚合法成功合成出施体与受体交替式之高分子PF-co-DMOTB及PC-co-DMOTB,合成之两种高分子对一般溶剂具良好的溶解性,UV吸收光谱亦可发现其对可见光有良好的吸收。

Results of UV spectrum and cyclic voltammography showed that the introduction of triphenylamine into polymer main chain did not affect its optical and electrochemical properties so much, indicating that the polymer is a promising hole-transport material.

实验结果表明,这一聚合物具有良好的溶解性,高的玻璃化转变温度,而且4-叔丁基三苯胺在引入聚合物主链后仍然保持了其光学及电化学活性,作为空穴传输材料具有潜在应用价值。

These starch acetates exhibited different solubility in water,acetone and DMAc,depending on the DS value.

不同取代度的酰化淀粉在水、丙酮和DMAc等溶剂中表现出不同的溶解性。

Crozes G%Anselme C%Mallevialle J Effect of adsorption of organic matter on fouling of ultrafiltration membranes 10.1016/0376-7388(93)85051-W Journal of Membrane Science , 1993,null

董秉直%曹达文%范瑾初%李景华%徐强黄浦江水源的溶解性有机物分子量分布变化的特点环境科学学报, 2001,5

Solvent Compatibility: Miscible with ethanol, and terpenes, Immiscible with water.

香气:特徵的黑胡椒油香气,使它回想起棕色和巧克的香气。溶解性:与乙醇和萜相混溶,溶于水。

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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

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。