粘结的

Firstly we choose reaction system of the epoxy resin and polyamide according to its well quality in normal temperature. Then we do a series of experiment to ameliorate dilution, toughness and solidify speed .we have three parts of whole felt system, these three parts have dissimilitude quality in order to felt carbon fiber and concrete tightly, which can work in line.

在研究过程中，首先详细分析了各种环氧树脂固化体系的特点，选择了最适于CFRP加固的常温环氧树脂体系，确定了体系的基本组成，然后通过原料、掺量的变化，进行了一系列单组分优化实验，针对CFRP加固混凝土用粘结材料所要求的功能，通过对基体进行稀释、增韧、填加整平材料进行改性，使整个粘结体系能够共同协调工作，达到良好的粘结效果。

The influences of BY binder on molding sand properties was analysed sysemically and the best proportion BY of bentonite,BY binder,moisture content and coal dust is found by integrative element experiments and singleelement experiments.

分析了BY粘结剂对型砂性能的影响，并通过正交试验和单因素试验，找出了膨润土、BY粘结剂、水分和煤粉四种原材料在型砂中的最佳配比；探讨了BY粘结剂的经济效益。

Since there exists some disadvantages such as poor mechanic properties and much higher burning rate pressure exponents (?1) in the fundamental formulations, this work is devoted to the improvements of combustion characteristics and mechanic properties of LOVA propellants. The effects of the crystal shape, size and contents of nitroamine particles, the types of binder, plasticizer and surface-active agents and the contents of NC on combustion performance are studied by closed bomb tests. In the mechanic properties tests, the effects of the types of binders, plasticizers and solid fillers, the interaction between binders and solid fillers and technological procedures on propellant mechanic properties are researched.

针对基础配方具有燃速压力指数远大于1、力学性能差等特点，采用密闭爆发器等试验手段，研究了诸如硝胺粒径、硝胺晶体形状、硝胺含量、粘结剂、增塑剂、硝化棉含量及表面活性剂等因素对燃烧性能的影响；采用抗沖、抗压静态试验方法，对粘结剂、增塑剂、固体填料、粘结剂与固体填料之间的相互作用及工艺条件与力学性能之间的关系进行了研究，提出了改善低易损性发射药燃烧性能和力学性能的技术途径。

The result indicates that the binder has better heat-resistance and is suitable to be used in the oxidation resistance coatings because of its good heat resistance, complex cross-linked structure, and curing performance of polyphosphoric aluminum.

结果表明，无机复合粘结剂的耐高温性能好，高温交联网状结构复杂，三聚磷酸铝在低温体系中起到了一定的固化剂作用，提高了防氧化涂料粘结剂的高温粘结作用。

Meanwhile, the surface layer gets fine crystal grain with dispersive and homogeneous distribution of WC grains and Co binder from rapid melting and resolidification during HIPIB irradiation. Minimizing the mean free path in Co binder by decreasing the WC grain size leads to an increase in resistance to plastic deformation in the binder.

HIPIB强烈非平衡作用下的重熔和再结晶使WC晶粒细化且分布更均匀，同时，表层析出弥散分布的Co_3w_9C_4相，使Co粘结相产生强化，导致Co粘结相的平均自由程降低，从而增强了Co粘结相抵抗塑性变形的能力，提高了辐照硬质合金的耐磨性能。

Therefore, the variation of mechanics behavior of the cohering face of the new-to-old concrete after being heated to temperature (room temperature～550℃) was investigated by experimental and theoretical analysis.

通过试验研究了在不同温度、不同界面方位作用下的粘结面的力学性能的变化情况，根据试验数据拟合出了高温作用后新老混凝土粘结面劈拉强度与温度之间的关系公式，探讨了界面方位对粘结强度的影响，并分析了影响机理。

Effects of the caking property of coal for briquetting on the cold briquetting process and the briquette carbonization process were analyzed.

分析了成型用煤粘结性对冷压成型和型煤炭化工艺的作用，讨论了主体煤粘结性和配粘结用煤对型煤和型焦的强度及热性质的影响。

Considering all of above, combined the subsection of "the study of the repair and strengthening method for existing bridge" with the sustentation fund of Ministry of Education, the bond characteristic, failure mechanism and shear strength computation of interface between new and old concrete and their applications in bridge strengthening are studied through the model test with embedded bar or not. The research works are mainly concerned with the following aspects: Firstly, considering different influence factors, the full-range shear experiment of 6 groups with 18 Z-shape specimens is executed. The bond shear capacity of interface is studied as well as the degree of influence such as interface roughness, agent, strength of new and old concrete, the depth of embedded bar.

本文围绕教育部《高等学校优秀青年教师教学科研奖励计划》之子课题&既有桥梁的维修加固方法研究&，结合有和无植筋状况下的模型试验，研究新老混凝土结合面的粘结性能、粘结破坏机理和粘结抗剪强度的计算及在桥梁加固中的应用。

The strain of sheet mainly occurs in loading end in the initial load. With the increase of load, the strain extends to the remote end; the bond stress gradually reduces from the loading end to the remote end; the peak bond stress locates slightly away from the loading end. For 16.3% moisture content, the effective bond length between BFRP and wood is 100 mm.

结果表明，加载初期，纤维布上的应变主要存在于加载端附近，当荷载逐渐增加时，应变也向加载远端增大；随着与加载点距离的增加，粘结应力逐渐降低；随着荷载的增加，粘结应力峰值位置向远离加载点方向稍有移动；在含水率为16.3%条件下，BFRP与木材的有效粘结长度为100mm。

The self-strength of calcium ferrite binding phase in sinter and relationship between the fracture/compression strength and binding phase's composition were studied experimentally.

以烧结矿中的铁酸钙粘结相为研究对象，考察了粘结相自身的抗折、抗压强度随粘结相组成的变化规律。

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