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低冲击
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  low impact
     The Nylon 66/Na-montmorillonite nanocomposites loaded with just 5 wt % of clay silicate layer, with high tensility, high tensile elongation and low impact strength, compared with Nylon66/Na-Montmorillonite (dry).
     与直接用干燥的Na-蒙脱土制得的复合材料相比,尼龙66/Na-蒙脱土复合材料中土含量为5wt%H寸,得到材料具有较高的拉伸强度、拉伸伸长率和低冲击强度。
短句来源
     Design of the Low Impact Separation Bolt
     一种低冲击分离螺栓的设计
短句来源
     A type of wear-resistant alloy cast steel produced by adding RE and multi-alloys has high toughness, hardness, good wear-resistant property and low cost after appropriate heat treatment. It can perfectly substitute for high manganese steel and high chromium steel under condition of medium or low impact toughness.
     加入稀土合金及多种合金元素研制的耐磨合金铸钢 ,经过热处理工艺后 ,硬度和韧度高 ,耐磨性能好 ,成本低 ,在中、低冲击功工况下是高锰钢和高铬钢的理想替代材料
短句来源
     The appropriate work condition of explosion hardening hadified steel is soft abrasive materials with high impact energy and high hardness abrasive materials with low impact energy.
     爆炸硬化高锰钢适用于低硬度磨料的冲击磨损及高硬度磨料的低冲击功冲击磨损的工况条件。
短句来源
     under conditions of low impact stress,abradabilitys of abrasive cast steel developed by alloying steel chips is 1.7 to 2.5 times greater than of high manganess steel.
     在低冲击应力下合金钢屑的低合金的耐磨性为高锰钢的1.7~2.5倍。
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  “低冲击”译为未确定词的双语例句
     Compared to low-bolus-dose (10μg/kg),application of high-bolus-dose (25μg/kg) of Tirofiban do not increase hemorrhage complications,but this point need to be estimated by large-scale trials.
     与低冲击剂量(10μg/kg静注)相比,高冲击剂量(25μg/kg静注)应用不增加出血并发症的发生,但仍需大规模样本研究进一步评价。
短句来源
     The results show that in low load conditions,the abrasive wear resistance of high chromium cast iron with high Cr/C ratio (Cr/C);
     结果表明,在相对较低冲击载荷下,热处理态Cr28(Cr/C比为9.5)抗磨性比Cr15(Cr/C比为5.6)更好;
短句来源
     According to the abrasive characteristics of abrasive wear parts subject to low stressand lcw impact,the ZG32SiMnMoBRE Steel with high strength wearresisting Characteristics leasdeveloped.
     针对低应力、低冲击磨料磨损的磨耗件工作特点,研制了硅锰硼系ZG32SiMnMoBRE 高强度耐磨铸钢。
短句来源
     Conclusions In situ ESWL for middle ureteral stone is safe and effective and may serve as the first line therapy.
     结论经侧腹入路和较低冲击能量的ESWL原位粉碎中段输尿管结石是一种安全而有效的方法,可以作为治疗该病的一线选择。
短句来源
     According to stress histories recorded from Lagrangian gauges in a plane shock initiation experiment and calculation result with other reaction rate models, the TANG model can't model process of shock to detonation of PBX-9404 at low pressure.
     根据实测压力历史曲线以及用其它反应速率计算得到的压力历史曲线,发现TANG模型在低冲击起爆压力下不能模拟PBX-9404炸药的冲击起爆过程。
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  相似匹配句对
     The investigation on impact fatigue wear of low-alloy steel
     合金钢的冲击疲劳磨损
短句来源
     The Study of Impact Wear Properties for Lowalloy Steels
     合金钢冲击磨料磨损性能的研究
短句来源
     Biaxial(-)with low birefringence.
     双折射率
短句来源
     Their specific properties are described in some detail: high surface activity and low critical micelle concentration;
     临界胶束浓度;
短句来源
     The Shock of Photograph
     影像的冲击
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  low impact
The experimental result proves that the acc/dec control model has the characteristic of easy implementation, stable movement and low impact.
      
This paper discusses the approach taken in the design and development of a low impact airbag head restraint system.
      
In this study, an impact test was carried out on adhesively-bonded graphite/epoxy composite panels at different low impact energies, ranging from 5 to 20 J, using a drop-weight impact test equipment.
      
Impact test was carried out on adhesively bonded graphite/epoxy composite specimens at different low impact energies ranging from 5 to 20 J using the drop-weight impact test.
      
For neutral projectile impact this theory provides a satisfactory description of the collision process down to quite low impact velocities.
      
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The tensile strength, ductility or impact value of a wrought nickel base super-

Ni-15Cr-6W-3Mo-2Al-2Ti变形高温合金的室温抗张强度、塑性和冲击性能,随着合金中Si含量的变化呈现马鞍型的变化,即在0.4—0.6%Si范围内出现一个低塑性、低拉伸强度和低冲击韧性区。造成这种现象的本质原因是由于Si含量变化改变了晶界碳化物沉淀析出顺序、析出类型、析出量和析出形态。该合金晶界碳化物析出可分为四个阶段:第一阶段,<0.1%Si时,只有单一的M_(23)C_6析出;第二阶段,>0.1%Si以后,除M_(23)C_6外,M_6C开始析出,一直到0.4%Si时增加2缓慢;第三阶段,0.4—0.6%Si时,M_6C大量析出逐渐取代M_(23)C_6;第四阶段,>0.6%Si以后,M_6C量占绝对优势,但增加幅度比第三阶段小得多。从晶界形态来看,第一、二、四阶段皆属不连续的链状形式,只有第三阶段晶界呈现连续膜状。因此,造成性能下降的原因不是因为析出M_6C,而是它的形态,当它以颗粒状分布在晶界上时是一个很好的强化相。第三阶段的不正常析出是性能下降的本质因素。本研究结果打破了只要镍基合金中MO+1/2>W>6%(重量百分比)就形成M_6C的经验判据,“Si”才是该合金碳化物沉淀...

Ni-15Cr-6W-3Mo-2Al-2Ti变形高温合金的室温抗张强度、塑性和冲击性能,随着合金中Si含量的变化呈现马鞍型的变化,即在0.4—0.6%Si范围内出现一个低塑性、低拉伸强度和低冲击韧性区。造成这种现象的本质原因是由于Si含量变化改变了晶界碳化物沉淀析出顺序、析出类型、析出量和析出形态。该合金晶界碳化物析出可分为四个阶段:第一阶段,<0.1%Si时,只有单一的M_(23)C_6析出;第二阶段,>0.1%Si以后,除M_(23)C_6外,M_6C开始析出,一直到0.4%Si时增加2缓慢;第三阶段,0.4—0.6%Si时,M_6C大量析出逐渐取代M_(23)C_6;第四阶段,>0.6%Si以后,M_6C量占绝对优势,但增加幅度比第三阶段小得多。从晶界形态来看,第一、二、四阶段皆属不连续的链状形式,只有第三阶段晶界呈现连续膜状。因此,造成性能下降的原因不是因为析出M_6C,而是它的形态,当它以颗粒状分布在晶界上时是一个很好的强化相。第三阶段的不正常析出是性能下降的本质因素。本研究结果打破了只要镍基合金中MO+1/2>W>6%(重量百分比)就形成M_6C的经验判据,“Si”才是该合金碳化物沉淀析出过程的控制因素。本文还对比了冶炼工艺差别对碳化物析出过程的影响。

The hydrodynamic problem of the high speed impact between a water slug with curved head and a rigid surface assumes time-dependent inviscous compressible flow of fluid. It is governed by the equation of continuity and momentum for the liquid in cylindrical coordinates with axial symmetry, the isentropic equation of state for water. They are solved numerically by combined Eulerian and Lagrangian approaches, for a non-slip wall condition. The results of numerical calculation are indicated as follows. When the...

The hydrodynamic problem of the high speed impact between a water slug with curved head and a rigid surface assumes time-dependent inviscous compressible flow of fluid. It is governed by the equation of continuity and momentum for the liquid in cylindrical coordinates with axial symmetry, the isentropic equation of state for water. They are solved numerically by combined Eulerian and Lagrangian approaches, for a non-slip wall condition. The results of numerical calculation are indicated as follows. When the peak pressures are reached, the peak lateral velocities that are more than the impact velocity are reached instantly; the act time is independent of the impact Mach number approximately in lower impact Mach number, the peak pressures and the peak velocities increase along the radial direction outwards, and some experimental evidence supports this result.

曲面头部的水弹高速冲击刚性表面的流体动力学问题,可以归结为无粘性、可压缩的不定常流动问题,受轴向对称园柱座标的连续和动量方程、水的等熵状态方程支配。考虑不可滑移的刚壁边界条件,用欧拉——拉格朗日结合的数值计算方法,进行数值求解。计算结果表明:在压力峰值形成的同时,引起了比冲击速度大得多的侧向速度;在较低的冲击马赫数范围内,作用时间近似地和冲击马赫数无关;压力峰值和测向速度都是沿着径向向外递增,这和实验结果一致。

According to the abrasive characteristics of abrasive wear parts subject to low stressand lcw impact,the ZG32SiMnMoBRE Steel with high strength wearresisting Characteristics leasdeveloped.Its composition is simple;the flowability,contractibility and hardenability are excellent;the micro-structure and comprehensive mechanical properties conform to the design requirements.Thefield verification indicates its service life is 70% higher than that of the Hadfield high manganesesteel.

针对低应力、低冲击磨料磨损的磨耗件工作特点,研制了硅锰硼系ZG32SiMnMoBRE 高强度耐磨铸钢。试验表明:该钢成份简单,流动性、收缩性及淬透性良好.金相组织、综合机械性能符合设计要求.现场使用验证,寿命比高锰钢提高70%以上。

 
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