二元化

The results showed that intermidiate 1, 2-propanediol-sebacate of low relative molecular mass was synthesized with toluene-p-sulfoinc acid as catalyst, benzene as watercarrying agent, and of mole ratio of sebacic acid to 1, 2-propanediol of 1:4. The glass-transition temperatures of PPSC were below 0 ℃ which confirmed that PPSC would be in a high-elastic state of ambient temperature and human body temperature. PPSC was a elastomer with moderate crosslinkage, low module and high elongation, and had rapid degradation ratio (degradation degree more than 50%) in phosphate (pH value 7.4) at 37℃.

结果表明，以对甲苯磺酸为催化剂、苯为带水剂，在酸醇比为1，4的条件下可合成较低相对分子质量的中间体癸二酸聚酯二元醇；PPSC弹性体的玻璃化转变温度在0℃以下，于室温及人体温度下处于高弹态；PPSC为适度交联的、低模量高伸长的弹性体，其在37℃、pH值为7.4的磷酸盆缓冲溶液中具有较快的降解性（降解度超过50%）。

The invention provides a method for preparing an epoxy sheet-like mold plastic, which comprises the following steps: thickening the mixed epoxide resin system with diisocyanate compound; strengthening the chopped strand; making the tectorial into non-stick hand and shear epoxy sheet-like mold plastic, that is, preparing the epoxide resin paste and the epoxy sheet-like mold plastic; ripening.

本发明提供的制备环氧片状模塑料的方法是：采用二元异氰酸酯化合物对混合环氧树脂体系增稠，短切纤维增强，覆膜制备成不粘手可剪切的环氧片状模塑料；该方法包括环氧树脂糊的制备、环氧片状模塑料的制备和熟化步骤。

The invention relates to condensation products comprised of cyclic carboxylic acid anhydrides of dicarboxylic acids, tricarboxylic acid anhydrides or tetracarboxylic acid anhydrides and difunctional polyamines, especially polyoxyalkylene amines.

本发明涉及由二元羧酸的环状羧酸酐、三羧酸酐或四羧酸酐和二官能化多胺，特别是聚氧化烯胺制备的缩合产物。

The standard library provides a set of function adaptors with which to specialize and extend both unary and binary function objects.

标准库提供了一组函数适配器，用于特化和扩展一元和二元函数对象。

The course that people are getting deeper and more complete cognition on women's school education reflects the transformation from the external and utilitarianism instrumental orien'tation of women concept to the internal value orientation which is publicizing women's subjectivity. It marked that people were developing from a closed, undirectional thinking model and a view of Chinese and western tradition against modern duality to an opening diversification and rationality.

人们对女子学校教育的认识不断加深、完整的过程，凸显出妇女观念从外在的、强调功利的工具性取向转变为内在的、张扬女性主体性的价值性取向，标志着人们正从一个封闭的单向思维模式及中与西、传统与现代二元对立的视域向开放的、多元化、理性化的方向发展。

He founded the dual classification, the Chinese school of the classification of flower varieties, established gene pools of golden camellias and tested out a successful breeding technology. With the wild flowers of China as the parents and through wild breeding, he nurtured new varieties of golden camellias, Chinese roses, and groundcover Chrysanthemum with anti-stress and ornamental properties. He is the authority of the international registration of Mei cultivars.

他创立了花卉品种分类的中国学派——&二元分类法&；建立了金花茶基因库，试验出一套成功的繁殖技术；以我国野生花卉作亲本，通过&野化育种&，培育出具有抗逆性与观赏性的金花茶、月季和地被菊等花卉新品种。

Then logistic regression analysis result suggested that when floor number of retail properties surpasses 4, the same type of tenants tends to be departmentalized .

接著利用二元Logistic回归分析出当楼层数越高，垂直距离开始稀释了零售吸引力时，建议当零售商场楼层数超过4楼时，业种状态以「部门化」的方式去配置。

The cationic surfactant cetyltrimethyl ammonium bromide was used to modify the surface of the supported nano bimetal alloy.

将十六烷基三甲基溴化铵用于负载型纳米二元合金的表面改性，改性后的材料对TCE的还原脱氯性能提高。

It is found that the structure of the ternary electroless Ni-W-P coating is greatly influenced by W content in the deposit. It is also found that the requisite content of phosphorus for amorphous Ni-W-P structure is less than that of Ni-P binary alloy coating, and the more tungsten exists, the less phosphorus is required. The hardness of the deposits will be enhanced as the deposit structures are changed from amorphous to mix-or nanocrystalline structures. The corrosion resistance of Ni-W-P ternary alloy is improved as W content increased, and the passivation of amorphous deposits is formed more easily than that of mix-structure and nanocrystalline deposits.

研究发现，化学镀Ni-W-P三元合金镀层的结构受镀层中钨含量的影响较大，非晶态Ni-W-P三元合金镀层所需磷含量较非晶态Ni-P二元镀层所需磷含量要低，并且钨含量越高，所需磷含量越少；镀层硬度随镀层结构从非晶态→混晶态→纳米晶态转变而增加；镀层的耐蚀性随镀层中钨含量增加而变好，且非晶态镀层较混晶态和纳米晶态镀层更易形成钝化区。

The coordination reactions of Cu and Ni with acid alizarine blue B in the presence of cetyltrimethylammonium bromide micelle were investigated using the microsurface adsorptionspectral correction technique. The aggregation of AABB on CTAB followed the Langmuir isothermal adsorption law. The enrichment of AABB on CTAB sensitized the complexation between Cu or Niand AABB.

应用微相吸附-光谱修正技术，研究了Cu、Ni与酸性茜素蓝B在溴化十六烷基三甲铵胶束上的配位反应，分析了表面活性剂在配位反应中的增效机理，表征了二元和三元结合物的性质。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。