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In this paper,three kinds of conductive adhesives were developed by using polyvinylidene fluoride as binding materials and carbon nanotubes graphite and carbon black acetylene as conductive fillers.

采用涂膜法制备了以碳纳米管、乙炔黑和石墨粉为导电填料的导电胶,研究了它们的电学性能、力学性能和粘结性能。结果显示,聚偏氟乙烯/CNTS导电胶有较好的综合性能

In this paper, the core of the new construction technology and the prestress loss are studied.

为克服这些弱点,提出采用无粘结预应力CFRP的施工工艺,并给出了详细的工艺流程、工艺难点和特点、预应力损失的计算等。

The result indicates that three groups of concrete beams strengthened by anchor-bolted steel plate can be loaded as far as they were destroyed; compared with unstrengthened beams ,these beams strengthened by steel plate using adhesive or anchor all can achieve a seventy percent higher loading capacity and thirty percent higher stiffness. On the condition that with the same steel plate ,concrete beams strengthened by bolting steel plate can work as good as those beams strengthened by using adhesive.

试验结果表明:三种锚固布置方式加固梁都能保证钢板与混凝土联合工作直至梁破坏;与未加固梁比较,锚固钢板加固梁和外粘钢板加固梁一样,都能有效提高梁的承载力和刚度,其中承载力提高幅度约为70%;刚度提高约为30%,这说明在钢板量相同的情况下,锚固钢板加固梁能够达到与粘结加固基本相同的加固效果。

According to different temperature, potential of reducing gas and content of SiO〓 in concentrate iron will be separated out in whiskery, thick and porous structure.

本文通过光栅电子显微镜对水平管状炉和石英管流化床还原试样的显微结构分析,研究了多种铁精矿在还原过程中铁的析出形态及其与粘结行为的关系。

The effect of caking property is ignored commonly in existence indexes on ignition and burn out.

粘结性是煤的一项重要的工艺性质,是炼焦用煤的主要参考指标。

Explanation was given on improvement effect of heating rate to caking property from essence of chemical reaction using pyrolysis kinetics.

并用热解动力学从化学反应的本质解释了升温速率对煤的粘结性的改善作用。

It is an main reference index for metallurgical coal. Caking property affects both volatile's distillation and coke's burn out.

粘结性是煤的一项重要的工艺性质,是炼焦用煤的主要参考指标。

The experiment show that the fiber is well cohered with cement, the fiber reinforced cements structure becomes compact and the fibers bridge the crack.

研究表明:纤维与水泥基体粘结良好,纤维材料的存在使得水泥石结构更加致密,纤维跨接在裂缝的两端,起到桥接和传递应力的作用。

In this thesis the shaping and safety performance of a thermobaric explosive which was under development were studied. The selections of binder and desensitizing agents were mainly analyzed.

本文以在研的一种固体温压炸药为背景进行了成型性能和安全性能的研究,重点从粘结剂和钝感剂的选择两个方面进行了研究和分析。

The total reaction could be explained by two steps.The first was a fast pre-equilibrium,activation nitrating reagent transferred to the catalyst.

反应共分两部进行:第一步是快速的预平衡步骤,活性硝化剂转移至催化剂上;第二步是缓慢的速率控制步骤,粘结在催化剂上的活性硝化进攻试剂与底物反应生成目标产物。

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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

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