查询词典 tensile strength

Steel fiber concrete has advantages of high tensile strength and fracture toughness, as well as antifatigue property.

摘要］ 钢纤维混凝土具有较高的抗拉强度和断裂韧性、抗疲劳等优良性能。

The results show that the degummed apocynum venetum fibers belong to high strength and high modulus low elongation type fiber, and have better tensile properties and better heat resistance.

试验表明：精干罗布麻纤维的拉伸属高强高模低伸长类型，且纤维具有较好的拉伸性和较好的耐热性。

The products were characterized by 13C NMR, DSC and tensile strength measurement. The high molecular weight atactic polypropylene had a good elasticity.

用13C NMR、DSC、拉伸实验对产物进行了表征，结果表明所得产物为高分子量的无规聚丙烯，具有良好的弹性。

Only a single glass transition temperature appeared in the dynamic mechanical spectra indicating atactic copolymers were obtained.The tensile strength and water resistance are higher than those of samples parpared by conventional emulsion polymerization method.

三元共聚物在动态粘弹谱图上只出现单一的玻璃化转变温度峰，是完全的无规共聚物，拉伸强度明显大于常规乳液聚合方法得到的聚合物，耐水性也得到显著提高。

In the three systems, system realizes the crosslinking of PVC bases on the peroxide crosslinking mechanism, the tensile strength of crosslinked PVC has been improved somewhat, the IR spectrum of gel demonstrates that there are characteristic absorption peaks of n-alcohol that belongs to ethanol amine and benzenoid group. From the analysis of gel structure , deduces that the mechanism of crosslinking reaction: under the initiations of peroxide and high temperature, PVC yields macromolecules free radicals, at the same time , styrene"s polymerization and grafting onto PVC takes place, at last the system forms crosslinking structure through coupling between radicals; confirms that triethanol amine can absorb HC1 produced by degradation of PVC, so improves the crosslinking efficiency of peroxide, decreases the HCl"s promotion for PVC"s degradation; deduces that triethanol amine can activate the PVC macromolecules and prolong the free radicals" life-time of PVC macromolecules; the effect to the PVC macromolecule makes styrenes graft reaction easy, and thus improves the crosslinking efficiency.

三种体系中三乙醇胺/过氧化二异丙苯/苯乙烯体系基于过氧化物交联机理实现了聚氯乙烯的交联，聚氯乙烯交联后拉伸强度有一定提高，凝胶红外光谱分析证实了凝胶结构中含有乙醇胺的伯醇基团特征吸收和苯环的特征吸收，由凝胶结构分析，推断出交联反应的机理：聚氯乙烯在过氧化物和热作用下产生大分子自由基，苯乙烯在过氧化物和大分子自由基的作用下发生聚合和接枝反应，最终通过自由基之间的偶合产生交联；证实三乙醇胺可以吸收聚氯乙烯分解产生的HCl，提高了过氧化物的交联效率，消弱了HCl对聚氯乙烯降解的促进作用；推断三乙醇胺可以活化聚氯乙烯大分子并有可能使聚氯乙烯大分子自由基存在的时间得以延长，对聚氯乙烯大分子的作用使苯乙烯的接枝反应易于发生，从而提高了交联效率。

The results indicated that the UV coatings made from epoxy acrylate resin/TPGDA monomer by the weight ratio of 80/20, and 3% dosage of benzil dimethyl ketal photoinitiator had an excellent films properties such as hardness, tensile strength, gloss and weatherability, while it possessed a poor impact resistance and adhesion of films.

试验结果发现，以预聚合体/单体比例为80/20、单体种类为二丙烯酸三丙烯乙二醇酯、光引发剂Benzil dimethyl ketal添加量为3%调配而成之UV涂料，其涂膜硬度、拉伸强度、光泽度及耐候性等性质优良，但涂膜耐冲击性、附著性不佳。

The bonding strength of bonelike apatite layer formed on the titanium oxide films to the substrates under different heat treatment temperature is examined under tensile s...

当对氧化钛膜进行适当的碱处理和热处理，在人体仿生液SBF溶液中浸泡7天后表面形成的骨质磷灰石与基体的结合强度可达到36MPa。

Its results showed that the flowability decreased, and the oxygen index of the material increased with the increase of grain size of brucite powder. When the screen mesh below 1250 , tensile strength and elongation at break of the material increased with the increase of grain size of brucite powder.

实验表明，在1250目内随粉体粒度的增加，体系的拉伸强度和断裂伸长率呈上升趋势，而在1250目以上，情况却不同，2500目的粉体所填加体系的拉伸强度和断裂伸长率较之1250目的粉体所填加的体系的小得多。

The mechanical and calorifics properties of composites rise with the increase of SWNTs concentration,composites showed higher mechanical properties such as Young's modulus,tensile strength and elongation along the stretched direction than perpendicular to it.

对复合材料进行了力学性能测试，随着碳纳米管含量的增加，复合材料的弹性模量、拉伸强度和延伸率均得到明显提高，并表现出明显的各向异性。TGA分析表明SWNTs的加入明显提高了复合材料的热稳定性。

As the caprylic aldehyde content increased,train at break,tensile strength,crosslink density were decreased.

拉伸强度、断裂伸长率和交联密度基本上均随辛醛含量的增加而降低。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。