1、

The test results showed that at a tailings/ cement ratio of 6 ∶ 1 and paste backfill density of 80% and 28 day curing cycle, the compressive strength reached 3.79 MPa;

试验结果表明,在尾砂水泥比为6∶1,浓度80%时,28d抗压强度达到3.79MPa;

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2、

In face of the current situation of throwing events in our country, we must concentrate the existing strength, material and financial resources on the key aspects and problems.

面对我国投掷类项目的现状,我们必须集中现有人力、物力、财力,解决关键的环节和问题。

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3、

Residual stresses in the rail web of high strength rails from several foreign countries were measured by the saw cut method, and the effect of residual stress on rail web cracking was discussed.

通过采用锯切口法测定了几种进口高强度钢轨轨腰残余应力,阐述了残余应力对轨腰水平脆断的影响。

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4、

This material possesses high strength and toughness, its wear resistance being similar to that of ceramics. As a result, these tools show good performance in cutting high hardness materials.

这种刀具材料的耐磨性与陶瓷材料相近,并具有较高的强度和韧性,在切削高硬度材料时表现出良好的性能。

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5、

The most important properties of cutting tools are hardness at high temperature, wear resistance, and impact strength.

切削刀具最重要的性能是在高温下能保持的硬度、耐磨损和冲击韧性。

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6、

Trends Analysis on the Static and Dynamic Strength of Cyclone Dust Collector

旋风除尘器静动态强度分析

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7、

There is a cyclonic circulation in the northern part of the SCS, and its strength and scope decrease with the depth increases.

在南海北部存在一个气旋性环流,这个环流的强度和范围随深度增加而减小。

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8、

For example, the steam cylinder bolt for ultra-supercritical turbine requires not only enhanced high temperature strength and ductility, but also good corrosive and wearing resistance.

例如:用于超超临界汽轮机组的汽缸螺栓,不但要求具有足够高的高温强度和韧性,而且要求良好的抗腐蚀和耐磨性能。

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9、

Analysis on the Strength Design Calculation Formula of Cylindrical Shell of Boiler

锅炉圆柱壳的应力与强度设计

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10、

Equi Strength Design of Nonhomogeneous Variable Thickness High Speed Rotating Disk under Steady Temperature Field ON THE FATIGUE LIFE WITH VARYING STRESS AMPLITUDES

在定常温度场中非均匀变厚度高速旋转圆盘的等强度设计变应力幅值下的疲劳寿命问题

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11、

It is investigated that the influence of Bauschinger Effect on yield strength of tube body by using four point bending test to simulate the tube making process at varying stress strain amplitudes.

采用X65钢板在四点弯曲加载条件下,模拟输油管制管过程中不同应变量下的应力&应变过程,研究包申格效应对输油管管体屈服强度的影响。

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12、

It is found that the buckling strength of column-supported silos is mainly dependent on the height of the engaged column, which also affects the buckling deformation mode.

结果表明,支柱伸入高度是影响仓壁柱承钢筒仓轴压下屈曲强度的主要因素,屈曲模态也与之密切相关;

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13、

Epoxy asphalt concrete with good properties of high strength, high rigi-ty, antifatigue and corrosion resistance is extensively abroad used for bridge surface pavement, road surface wearing Layer and traffic parking station, etc, and application process is more maturity.

环氧沥青混凝土具有强度高、刚度大、耐疲劳、耐腐蚀等许多优良特性,国外广泛应用于桥面铺装、路面磨耗层、公交停车站等场所,技术已趋成熟。

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14、

The acoustic emission characteristics reflect the macroscopic properties along rolling direction of high strength aluminum alloy.

高强度铝合金沿晶界断裂过程中的声发射信号特征反映了材料沿轧制方向的宏观性能。

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15、

The shear strength of matrix layer in rolled compact concrete ( RCC) provides important effect to the safety of RCC dam.

碾压混凝土(RCC)层面抗剪强度关系到碾压混凝土坝的安全。

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16、

Experimental Study on Shear Strength of Two Way Prestressed Composite Concrete Slabs without Web Reinforcement

双向预应力混凝土叠合板抗剪强度试验研究

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17、

Influence Analysis of the Thickness of Crank Web on Strength of Crankshaft

曲柄臂厚度对曲轴强度的影响分析

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18、

Experimental Research of Reinforced Concrete Short Beams with web Reinforcement in shear Strength

有腹筋钢筋砼短梁抗剪强度的试验研究

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19、

Shear strength of non web reinforcement composite concrete slabs

预应力无腹筋迭合板的抗剪强度试验研究

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20、

Investigation into Elasto-Plastic Buckling Strength of Web with Longitudinal Stiffener in I-Section Girder

纵向加劲肋对钢梁腹板弹塑性屈曲承载能力影响的研究

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