性能

Naphthalene superplasticizer compared with other second-generation, third-generation POLYCARBOXYLIC superplasticizer With the improvement of quality of performance and quality.

与萘系等第二代减水剂相比，第三代聚羧酸系高效减水剂的性能与质量有了质的提高，基本能够满足高性能混凝土对减水剂的性能要求，该类产品基本具备了取代萘系减水剂的技术性能优势与经济条件。

At last, the problem of the guaranteed cost control 2-D Roesser model with polytopic uncertainty is studied. The quadratic performance index and the definition of guaranteed cost controller are given.

本文还讨论了具有多胞型不确定的2-D Roesser模型的保性能控制，给出了该类系统的二次型性能指标，并定义了相应的保性能控制律。

The research of polymer/layered silicate nanocomposite was introduced detailedly, including the classify, property and the latest research advance. On the basis of consulting the document and the exploratory experiment, the experimental method which first creative preparing poly (acrylonitrile-vinyl acetate)/raontmorillonite nanocomposite by emulsion intercalation copolymerization was established; the structure and property of polyacrylonitrle different molecule weight with inorganic mineral super fine nanocomposite was reseached. The reaction principle of PMMA by photo-initution was explored. The mixture principle with productor condition, property of PE/Clay nanocomposite milt insert was seal prived. By PS/Clay nanocomposite munufacture, the monomer ins-polymerization and polymerial solution was proved.

在查阅文献和探索性实验的基础上，确定采用乳液原位插层聚合方法首先创制了聚/蒙脱土纳米复合材料，利用正交实验得出了最佳实验条件，通过X射线衍射和红外光谱对纳米复合材料的结构进行表征，研究了复合材料的溶解性能，并测定了其溶液的绝对粘度；研究了不同相对分子质量的聚丙烯腈与不同的无机矿物超细粉复合材料的结构与性能；探讨了在蒙脱土中光引发聚甲基丙烯酸甲酯的反应机理；通过聚乙烯与粘土的纳米复合材料制备，探讨了热塑性树脂熔融插层复合机理与最佳工艺条件和复合材料性能关系；通过聚苯乙烯与蒙脱土纳米复合材料制备，验证了单体原位聚合插层和聚合物溶液插层机理。

With the analysis and discussion of their photoini- liability, it was indicated that their max are all around 330 nm, and all of them have excellent solubility in water and good photoinitiability. Furthermore, the three Photoinitiators with α-tert-amine are obviously superior to the one with just α-sec-amine. Among the four photoinitiators l-(4-aminophenyl)-2-diethylamino-l- propanone dihydrochloride is the best and it has excellent use value.

通过对它们的光引发性能测试和构效关系的分析探讨，表明四种光引发剂的最大吸收波长λ_(max均在330nm左右，具有优异的水溶性和良好的光引发性能，其中具有α-叔胺基团的三种光引发剂明显优于具有α-仲胺基团的光引发剂，尤其以1-(4-氨基苯基)-2-二乙胺基-1-丙酮盐酸盐的光引发性能最好，具有推广应用前景。

Since complex constitutes of raw material, various reactions and phases are involved in the process of mesophase evolution, we suggest that a given carbonaceous mesophase product should be manufactured by selecting raw materials and setting pyrocondensation conditions according to the specific requirement of the product, so that products with the best structure and performance could be obtained.

通过讨论指出，由于炭质中间相涉及的原料种类多样，热缩聚制备过程中涉及的反应、物相复杂，因此，在制备特定性能的产品时，应针对产品的特定性能要求来选择原料、设定热缩聚条件，以制得具有最佳结构和性能的产品。

It has been successfully applied in the fields of high-performance carbon fiber, needle coke used for ultrahigh power electrode, anode of rechargeable lithium-ion batteries, activated carbon with super-high surface area, catalyst supports and carbon foams、 In this paper, the effects of raw materials and pyrolysis conditions including heat-treatment temperature, pressure and time on the formation and development of carbonaceous mesophase were discussed in detail Since complex constitutes of raw material, various reactions and phases are involved in the process of mesophase evolution, we suggest that a given carbonaceous mesophase product should be manufactured by selecting raw materials and setting pyrocondensation conditions according to the specific requirement of the product, so that products with the best structure and performance could be obtained.

它在高性能炭纤维、超高功率电极用针状焦、锉离子二次电池负极、超高比表面积活性炭及催化剂载体、泡沫炭等领域得到了较好的应用。综述了原料和热缩聚条件对炭质中间相形成和发展的影响，这些影响因素包括原料的种类、热缩聚温度、反应压力和保温时间等。通过讨论指出，由于炭质中间相涉及的原料种类多样，热缩聚制备过程中涉及的反应、物相复杂，因此，在制备特定性能的产品时，应针对产品的特定性能要求来选择原料、设定热缩聚条件，以制得具有最佳结构和性能的产品。

Results Resinic artificial teeth deposited with 50nm amorphous diamond film after pretreated with polarization are most close to the natural enamel. Conclusion Nanometer amorphous diamond film improves significantly the wearing resistance of resinic artificial teeth.

结果：纳米非晶金刚石薄膜能显著提高树脂人工牙耐磨性能；两种预处理方法中，极化法实验组的耐磨性能明显优于紫外光照法实验组；极化处理后镀膜50nm的人工牙的耐磨性能最接近于天然牙釉质。

In this paper,the effect of APP and Deflam on the flame retardance,the mechanical properties of the prepared composite,and the crystallinity of PP were studied.

采用聚磷酸铵和Deflam分别对聚丙烯进行了填充改性，研究了两者对PP力学性能、阻燃性能、结晶性能的影响。

Product Materials 3N reflective high demand, high starting point, product quality has been the lifeline for enterprises to produce products to meet customer requirements as our own duty, their products Retroreflective performance, chroma, glass properties, resistant to salt spray and other indicators are reached or exceed national standards, its appearance and physical properties of parts of the country has already exceeded the standard,°Products have been widely used in highway, railway, airport, harbor, mining, fire fighting, environmental protection, advertising, vehicle license and other fields, the production of various kinds of reflective signs, signs and various billboards, as well as the substantial application of civilian products, more than 40% of the products go out of the country, sold to the world's 48 countries and regions.

3N反光材料产品高要求，高起点，一直以产品质量为企业的生命线，以生产满足客户要求的产品为己任，其产品的逆反射性能、色度、玻璃性能、耐盐雾等指标均达到或超过国家标准，其外观和部分物理性能已超过的国家标准，艾普莱斯产品已被广泛应用于公路、铁路、机场、港航、矿山、消防、环保、广告、车辆牌照等领域，制作各种反光标志、标牌及各种广告牌，以及被大量运用于民用制品，40％以上的产品走出国门，销往世界四十八个国家和地区。

The present paper analyzes the effect of EPS on steering performance. The new system of evaluation includes steering maneuverability, steering returnability, on-center handling performance, steering hand-wheel vibration, servo motion sensitivity and assist characteristics. Some relevant evaluation indexes are also discussed here.

针对电动助力转向的结构特点，本文分析了电动助力转向对汽车转向性能的影响，提出从转向轻便性、转向回正性、转向盘中间位置区域性能、转向盘振动、随动灵敏度和助力特性等方面进行电动助力转向系统转向性能的客观评价，并探讨了相应的评价指标，对EPS系统的设计以及相关试验标准的确定有一定的指导意义。

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。