• 研究发现钢弹反应器管道—停留罐反应器中,石灰活性影响是很大

    Experiment results demonstrated that the lime activity had an obvious influence on dissolving alumina from bauxite in either the steel-bomb reactor or the tube-autoclave digester.

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  • X60塑性断裂分析中,采用J - A2参数方法预测表面裂纹管道破坏压力

    In the elastoplastic fracture analysis for pipelines steel X60, J-A2 two parameter approach was adopted to predict the failure pressures of pipelines with surface cracks.

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  • 二维有限元动力分析程序dyna2d加入了反应速率模型,对圆头撞击PB X 940 4炸药冲击起爆行为进行数值模拟研究。

    Shock initiation behaviors of PBX-9404 impacted by round-nosed steel projectiles were studied numerically by means of adding two kinds of reaction-rate into two-dimensional finite element code DYNA2D.

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  • 本文采用综合离散化分析方法进行空间框架结构塑性稳定计算。

    A synthetic discrete method is presented for the analysis of the inelastic stability of space steel frames.

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  • 桥面铺装沥青混合料材料进行循环荷载塑性分析。

    The elastoplastic properties of asphalt concrete of steel deck pavement are analyzed under cyclic load.

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  • 该文通过对套管分段侵彻无限研究分析,以流体动力学力学基础,提出一个分段垂直侵彻半无限厚靶的简化模型

    In study of the penetration of a segmented rod with aluminum carrier tube into semi infinite steel target, we present a simplified model of based on hydrodynamics and penetrating mechanics.

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  • 本文给出计算压杆塑性稳定极限承载力有限塑性系数增量应力

    The paper presents a numerical method, named the Finite Strip Plasticity Coefficient Increment Initial Stress Method, to solve the elastoplastic stability ultimate loads of steel columns.

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  • 本文所研究陶瓷复合装甲铝合金玻璃纤维增强复合材料(玻璃)、抗陶瓷三种材料复合而成。

    The ceramic composite armor related to this thesis is composed of aluminum alloy, glass fiber reinforced composite and engineering ceramics.

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  • 数值模拟结果表明模拟原型成型符合相似侵彻深度满足模拟

    The numerical results indicate that, the shaping of the prototype and the simulation EFP accord with the analogue rule, and the depth of penetration on steel target also satisfy simulation ratio.

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  • 计算关系式中,包含连续变化射流速度直径速度和厚度装甲强度主要因素

    Formulas for calculation involve the important factors such as the varying diameters and velocities of the jet, velocities and thicknesses of the flying plates, as well as the strength of main armor.

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  • 本文介绍了采用普特结合生产工艺路线研制开发155用9260的情况。

    The text introductive situation that Bengang adopt process route of produce combine between BOF and special rolling for development 9260 square steel for 155 shell.

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  • 马氏抗杆式模拟防护系数随着强度提高而提高,呈线性关系,氮奥氏体穿甲防护系数远远高于同一强度级别的马氏体

    For mass efficiency of penetration, martensite steel increases in line with strength, and nitrogen alloyed austenitic steel is much higher than that of the same strength martensite steel.

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  • 采用非线性分析塑性静力分析,支撑粘滞阻尼支撑两类支撑的连续连续布置共四种支撑方案进行对比分析。

    Nonlinear time history analysis and Pushover analysis are adopted to study steel brace and viscous damper brace systems with continuous layout and discontinuous layout.

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  • 结果表明脱碳主要发生加热过程中,轧冷却也发生脱碳。

    The results show that the decarbonization of Si Mn bearing spring steel mainly occurs both in the heating process prior to rolling and in the cooling process after rolling.

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  • 使用基准对等不同强度进行静破甲,得到形状相似

    Used the norm penetration case, the quietly penetration has been done to the steel target plank which is equal thickness but different intensity, and the similar form craters ware be obtained.

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  • 不锈螺丝系列内六角螺栓螺钉螺钉,自钉,马车螺丝,膨胀螺丝,吊环螺丝,条,开口销

    Stainless steel screw, hex bolt series: tighten screw, machine screw, nail screw, self-tapping screw, expansion bolts, carriage, lifting eyebolt, a tooth, flat mat, play split cotters cushion etc.

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  • 塑性分析方面采用ABAQUS进行计算,上部空间桁架及其节点进行了ANSYS分析

    The elastoplastic analysis is finished with ABAQUS, the upside spatial steel truss and the node analysis is computed with ANSYS.

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  • 乙型使用不锈柔韧丝制作

    Flat flex belts are made of stainless steel wire of spring wire.

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  • 两端固定工字温度应力进行试验研究,给出的温度应力估算公式试验结果符合性较。研究结果表明火灾中构件内力分析时,可把构件视为理想的塑性体;

    The temperature stress of I-profile short axially-restricted column is studied, a regression formula of temperature stress is proposed, and it agrees well with the experimental results.

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  • 简要分析了影响薄板叠生产中辊耗因素,并从轧辊保养、夹铁、辊型曲线等方面,介绍轧辊降耗具体措施取得的效果

    To exploit the high performance roll is the target that the roll researchers are searching for because the quality of rolls directly affects the output and quality of the rolling material.

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  • 落地窗,白、白旋转门制品

    White steel floor to ceiling Windows, white steel to bomb doors, white steel, white steel products such as revolving doors.

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  • 落地窗,白、白旋转门制品

    White steel floor to ceiling Windows, white steel to bomb doors, white steel, white steel products such as revolving doors.

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