粘结的

According to the theory of extreme value of independent and identically distributed random variables, the reliability of external unbonded presertressed concrete structures is discussed.

论文讨论了体外筋面积的变化对体外预应力梁可靠度的影响，将其离散化为多个正态分布的随机变量，并根据独立同分布随机变量的极值理论，讨论了体外无粘结配筋对结构可靠度的影响问题。

It is shown that the decrease of reliability is evident when longitudinal probability distributions of cross sections of unbonded prestress tendons are considered, and the index of reliability is reduced with the increase of the number of independent and identically distributed random variables.

结果表明，考虑无粘结预应力筋截面积沿长度方向的分布特性而引起的可靠指标的降低比较明显，可靠指标随着独立同分布随机变量的数目的增大而减小。

For the longitudinal probability distributions of cross sections of unbonded prestress tendons, it is evident that the reliability index of unbounded prestressed concrete members decreases with the number of independent and identically distributed random variables decreases.

分析结果表明，体外无粘结预应力钢筋截面面积沿长度方向的变化，引起结构可靠指标的降低是比较明显的，可靠指标随着独立同分布随机变量的数目的增大而减小。

Pet film, Business card printing and membership card making ink, aluminum, gelatinize and subsealing PE (as a thermal composite materials), the result of color print ink business card printing and membership card at the end of China and India making up full white ink all on bond in adhesives, resulting in aucilisty and membrane separation from Fox: there is another situation is when the business card printing and membership card making ink ink film the thin membrane with a composite of PE attachthemselves fastness and ink adhesion of film thickness.

例如PET不薄膜、制卡和会员卡制息油不朱、真空镀铝、涂胶与PE不简单，甘休不黑白油不朱制卡和会员卡制息后，末了印上来的满版白不朱全部粘结在胶粘剂上，导致PET与底膜的别离：还有一栽境况是：制卡和会员卡制息油不朱不朱膜层不薄的，在与底膜的PE不简单后附着牢度好，而不朱膜层薄的附着不对。

Objectives To evaluate whether Cerinate Porcelain Veneers can recover the color of teeth in different preparation depth and the effect of luting resin to the final color of the restorations.

目的：探讨不同颜色不同厚度的瓷贴面能否恢复对应Vita比色的牙齿的原来颜色以及不同颜色的粘结树脂对其颜色的影响。

The tool of Discover in the international popular software Materials Studio and the advanced COMPASS force field are adopted to simulate mechanical properties of PETN and PETN-based PBX at different temperatures, which is coated with four fluorine-containing polymers.

选择聚偏二氟乙烯、聚三氟氯乙烯、F2311和F2314作为粘结剂，对PETN及其与这4种含氟聚合物组成的PBX，用国际上流行的Materials Studio软件中的DISCOVER模块，以先进的COMPASS力场，主要模拟研究了PETN基PBX在不同温度下的力学性能。

Two hysteretic models suitable for damaged and undamaged fiber-reinforced prestressed wide-beam frames were proposed sequentially. The hysteretic models consisted of a skeleton curves which based on the concept of three stage polygonal line with soften region and some hysteretic rules.

在上述研究的基础上，分析了无损伤和地震损伤的钢纤维预应力扁梁框架滞回曲线的主要特征，进而分别提出了适合于无损伤和地震损伤的钢纤维无粘结预应力扁梁框架结构的恢复力模型。

A kind of multifunctional and environmental friendly powder putty has been prepared based on coal ash powder and ground calcium Carbonate and so on as fillers and dry emulsion powder and cement as binder, mixed with proper powder additives and other auxiliaries.

以乳胶粉、水泥为粘结料，粉煤灰、重质碳酸钙、石英砂等为填充料，配以适当的粉末状助剂，制得了一种粉末腻子；探讨了乳胶粉、纤维素醚、水泥、粉煤灰以及复合填料的用量对粉末腻子性能的影响，优化出较佳的粉末腻子配方；测试了粉末腻子的理化性能。

Use the finite element software ANSYS to make model for consecutive strands and unbonded prepressed concrete lining. Build the reciprocity relation of the cells in consecutive strands and cells in RC, analyse the stress and transmogrification of consecutive strands and RC to make sure the design parameter can meet the need of specification.

2采用有限元分析软件ANSYS，分别对无粘结预应力衬砌方案的预应力钢绞线和钢筋混凝土衬砌单独建模，预应力钢绞线的单元节点与钢筋混凝土单元间通过约束方程法建立起相互作用的关系，分析钢绞线和钢筋混凝土衬砌的应力和变形，计算结果表明确认采用的设计参数能够满足规范要求。

Injection molding feed of Fe-Ni-Cu-C alloy coarse powder with particle size of 60um was prepared, effect of rate of shear, temperature and proportion of powder and binder to rheological behavior of feed was studied, viscosity number of three kinds of feed in different temperature was measured by capillary viscosimeter strain sensitivity factor three kinds of feed with different component were compared.

制备了平均粒度为60m的Fe-Ni-Cu-C合金粗粉汁射成形喂料，研究了剪切速率、温度、粉末和粘结剂比例对喂料流变行为的影响，应用毛细管粘度计测量了三种喂料在不同温度下的粘度值，比较了三种不同成分喂料的应变敏感性因子的大小。

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