strength ratio

In fact, to different soils, the tension-compression strength ratio varies greatly.

实际上，各个地区水泥土的拉、压强度比有着很大差别，不同土质的水泥土拉、压强度比也相差很大。

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And on the other hand, drill pipes with low strength and optimum pretensioned torque and proper bending strength ratio should be selected, upset drill pipe should be used between drill collar and drill stem, and corrosion control and drill tools detection should be strengthened.

另一方面在保证提升能力前提下优先选用低强度钻杆，使用最佳预紧扭矩，选择合适的弯曲强度比，在钻艇和钻杆之间使用加重钻杆，控制腐蚀以及加强钻具的探伤与检验。

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The tensile modulus and strength of the microfibrillar composites are significantly enhanced with increasing the hot stretching ratio, indicating that the microfibers have a good reinforcement on the PET/ PE composites.

复合材料的拉伸模量和拉伸强度随拉伸比增加显著增加，表明微纤化对材料具有良好的增强效果；

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The tensile strength maintenance ratio of C/ LD2 is about 84%.

在500℃时C/LD2的强度保持率为84.10%。

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Effect of core ∶ dentin thickness ratio on the flexure strength of IPS Empress heat-pressed all-ceramic restorative material.

基底瓷与饰瓷的厚度比对IPSEmpress热压铸陶瓷抗弯强度的影响.

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Results of retained Marshall Stability ( MS0) and Tensile Strength Ratio ( TSR) indicate that without additive, the moisture damage resistance of basalt asphalt mixture may not meet the specifications.

马歇尔试验残留稳定度（MS0）与冻融劈裂试验残留强度比（TSR）结果显示，无添加剂玄武岩沥青混合料的水稳定性不一定能够满足规范要求；

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Methods The average dissecting force ( ADF) and interlamellar shear stress of each interspace in the media were measured using a tensile strength tester, and the the final shape-changed strength ratio of each layer was calculated before and after melting the tissue with collagenase and elastase.

方法测定人主动脉中膜各层间单位分离力、剪应力和胶原酶和弹力蛋白酶酶解前后主动脉壁各层的屈服形状改变比能。

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At the same time, the limit value of the ratio of axial compression strength is reduced.

从另一方面来说,也就是降低了框架柱设计时的轴压比限值.

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Experimental results of Marshall Remnant Stability Test, Water Susceptibility Tensile Strength Ratio ( TSR) Test and Rutting Test show that graphite modified ECAC possesses of high anti-water damage ability and excellent high-temperature stability, which is expected to apply as new-type pavement.

马歇尔残留稳定度试验、冻融劈裂试验和车辙试验表明石墨导电沥青混凝土的抗水损害能力强，高温稳定性能良好，可作为新型路面使用。

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Several problems of asphalt pavement on design and construction in our province including the design, construction of tack coat and seal coat, gradation control, optimal bitumen ratio determination as well as the strength criteria of semi-rigid base course are discussed in this article.

结合我省高速公路沥青路面的设计与施工，对黏层、封层的设计与施工、施工生产级配控制、最佳油石比确定以及半刚性基层强度设计指标等问题进行了探讨。

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Knee Flexor/ Extensor strength Ratio in Patients with Knee Joint Injuries at Anaphase

膝关节损伤后期屈膝肌与伸膝肌力矩比值的远期评价研究

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It can be found that tension-compression strength ratio has obvious effect on the plastic zone of mode I crack tips.

得出了材料拉压比对I型裂纹裂尖塑性区影响很大。

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Effects of the activity of ground-strontium slag as cement admixture were analyzed from three aspects: mortar strength value, compressive strength ratio of mortar and specific strength indicators.

分别从胶砂强度值、胶砂抗压强度比和比强度指标三方面分析磨细锶渣作为水泥掺合料的活性效应。

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The yield strength, yield tensile ratio and toughness are major quality indexes of steel pipe ( board). However, it is quite difficult to determine them reasonably.

屈服强度、屈强比、韧性等是钢管（板）的主要质量指标，合理确定这些指标的数值有相当难度。

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Specific strength . The ratio of tensile strength to specific gravity for a material.

一种材料的抗拉强度与比重的比值.

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The lower strength ratio of mains to fibre, the better-improvement is.

基体与纤维强度比值越小, 材料性能的改善越大.

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The pipeline steel with strain-based design is usually characterized by high initial work hardening rate, good ductility, and low yield stress to tensile strength ratio.

抗大变形管线钢就是基于应变设计的方法得到的具有连续屈服、较低的屈强比、较高的加工硬化指数以及均匀塑性变形延伸率等特性的管线钢。

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Honeycomb sandwich is a kind of special composite construction. They are used in aeronautic and astronautic engineering, as they have many advantages such as low density, high strength ratio and high stiffness ratio.

蜂窝夹层结构作为一种特殊的复合材料结构，具有低密度、高比强度和高比刚度等优越性能，在航空航天领域得到广泛的应用。

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