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      penetration
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  侵彻
    A Study on the Experiment of Jet Penetration into a Ce-ramic Target and Its Engineering Calculation Model.
    射流侵彻陶瓷靶试验研究与工程计算模型
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    Aimed at the penetrating destroy of fragment for exploder,compares and analyses the consistency among three penetrating expressions:Christman-Gehring(C-G),penetration of target,crater cubage description.
    针对破片对爆炸洞体的侵彻破坏,对Christman-Gehring(C-G)、中厚靶侵彻和弹坑容积描述3种侵彻公式与破片侵彻条件的一致性进行了比较分析。
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    For oval-headed projectile penetrate half-infinite concrete, adopting dimensional analysis, establishing the Function relation of related parameter having on dimension turns, through the experiment of oval-headed projectile (Quantity is 2.85 Kg, Diameter is 50.8 mm) penetrating concrete, Obtaining the equation of penetration depth.
    针对卵形弹侵彻半无限厚混凝土介质,采用量纲分析的方法建立了相关参数的无量纲化的函数关系,通过质量为2.85Kg,弹径为50.8mm的卵形弹垂直侵彻混凝土实验确定撞击混凝土侵深的工程表达式。
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    The damage model of brittle materials under impact load is very important for study of blast, penetration, and collision with high velocity.
    脆性材料在冲击载荷下的损伤模型在爆炸模拟、侵彻、高速碰撞等高加载率问题中有着重要应用,然而, 用于描述脆性材料在冲击载荷作用下损伤模型的研究却困难重重。
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    Analysis of Penetration Process and Stress Wave Propagation of a Conical Rod
    圆柱杆侵彻过程及应力波传播分析
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  贯穿
    EXPERIMENTAL STUDIES ON THE PENETRATION IN CONCRETE BY THE HIGH-SPEED JETS WITH VARIOUS SHAPED CHARGES
    爆炸成型弹丸贯穿混凝土的实验研究
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    A New Engineering Analytical Method on Concrete Anti penetration
    混凝土靶抗贯穿的一种新工程分析方法
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    A Experimental Study on the Penetration of Concrete Target Simulating Aerodrome Runway
    机场跑道混凝土靶板贯穿的试验研究
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    In order to predict accurately the responses of concrete materials and structures under dynamic loads, it is important to identify dominant mechanisms of the penetration and perforation and failure modes of concrete.
    为了确定混凝土材料在动态加载下的响应和本构关系,研究侵彻、贯穿的主要机理和混凝土的破坏模型非常重要。
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    Based on the leakbeforebreak (LBB) analysis of structures in nuclear reactors, the fatigue growth problem of semielliptical surface cracks of pressurized pipes and vessels subjected to cyclic loading is studied by means of the damage mechanics methods. Some essential features of propagation, penetration and shape development of surface cracks under different initial aspect ratios and loading conditions are obtained.
    基于核反应堆结构的破前漏(LBB)分析,采用损伤力学方法,研究了压力管道和容器中表面裂纹在循环载荷作用下的疲劳扩展问题,得到了表面裂纹在不同的初始形状和载荷条件下扩展、贯穿和形状演化的一些基本规律。
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  “penetration”译为未确定词的双语例句
    An Engineering Formula on the Calculation of Oblique Penetration by Long-Rod Projectile
    长杆弹高速斜穿甲工程计算公式
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    EXPERIMENTAL STUDIES ON OBLIQUE PENETRATION MECHANISM OF WARSHIPC OMPOSITE ARMOR STRUCTURE
    舰用复合装甲结构的斜破甲机理实验研究
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    An Experimental Study on Dynamic Penetration Performance of Fragile Tungsten Alloy Projectile
    钨合金易碎材料动态穿甲特性试验研究
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    Three modes of penetration mechanics of A3 steel cylindrical projectiles impact onto 45 steel plates
    A3钢钝头弹撞击45钢板破坏模式的试验研究
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    Numerical and Experimental Investigation on Penetration Effects of Semi-Armor-Piercing Warhead
    半穿甲战斗部弹体穿甲效应数值模拟与实验研究
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  penetration
       It has potential to reduce physical skin penetration by injection and provide potentially effective vaccines.
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       Results showed that the NW and CCA treatments made the wood surface more hydrophobic while the NS treatment had the reverse effect on the wood surface mainly owing to the increased penetration of earlywood.
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       Effect of different drying methods on liquid penetration of Chinese fir plantation wood
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       The maximum amount of dyeing solution uptake by the capillary rising method was used to evaluate the liquid penetration of the treated wood.
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       The results show that liquid penetration of Chinese fir sapwood after RFVD is significantly higher than that after KD and HTD.
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         In this paper, the constraint conditions of think perforated plate ligament and corresponding bimoment in the ligament section are described. From these considerations theoretical formulae for calculating effective elastic constants of thick perforated plates with triangular penetration pattern are obtained. Theoretical values obtained from these formulae are in good agreement with Sampson's experimental results and. Slot's numerical solution.
            本文考虑了厚管板界条之间的约束条件和界条断面上存在着相应的双力矩,并由此导出了三角形排列厚管板的等效弹性系数公式和等效波桑系数公式。由该公式计算的结果和Sampson R.C.的实验值、Slot T.的数值解是一致的。
文摘来源
         Fulfilling the nonlinear boundary conditions and applying Green's theorem,a vertical water exit problem which includes various stages such as underwater motion, approaching the free surface, and penetration for an arbitrary axisymmetric body has been solved with a numerical procedure in the present paper. Computations have been applied to the vertical water exit for a series of ellipsoids with various ratio of length to diameter at various Froude numbers. Comparisons between the computed results and t...
            根据格林定理,本文采用严格的非线性边界条件,对任意形状的轴对称体的垂直出水,包括水下运动、接近液面、穿出液面的全过程进行了数值计算。计算结果与实验结果比较表明,非线性计算结果是可信的。
文摘来源
         In this paper the switch of constraining the motion of slide line is discussed for simulation of plug phenomena in penetration damage.A certain quantity of plastic strain strength is used as the switch. The results of numerical simulation show that the switch of plastic strain strength is preferable to the switch of shear yield, and it seems more suitable for practial phenomena.
            本文对冲塞损伤中约束滑移运动开关作了改进,取塑性应变强度的某一量值作为约束滑移的开关,改进了数值模拟效果,表明它比剪切屈服开关更接近实际物理过程。
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