• 讨论激光凝固特征成分激光熔区平均显微硬度关系

    The solidification phenomena of the laser melted zone and the relationship between the composition and average microhardness of the laser melted zone were discussed.

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  • 本文研究了奥氏体不锈钢/普通合金钢焊复合钢板界面形成

    The paper deals with the formation of melting zone in the interface of explosive cladding austenitic stainless steel/normal low alloy steel system .

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  • 结果表明ZM5合金TIG焊接接头影响部分焊缝组成。

    The results show that the TIG weld joint of ZM5 magnesium alloy is composed of heat affected zone, partially melted zone and weld metal.

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  • 对重显微组织进行了研究,研究表明:激光重熔区分为过渡影响

    The result of microstructures analysis show: there are melted zone , transient zone and heat affected zone in the laser melted layer.

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  • 考察移动速度次数、熔区长度以及黄磷原料杂质初始含量提纯效果影响

    The influence of variable zone lengths, zone passes, moving speed and the impurity of raw materials on the purification process was studied.

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  • 把镓塑料管中,做成螺旋蜷线形式,一边提高温度点之上,于是螺旋蜷线上就有许多个熔区

    By means of this method it provides multiple zone on one side of the helix of plastic tubing in which the material to be refine1 is filled.

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  • 结果表明在焊缝内存在着局部熔区以及铸造疏松组织二次裂纹缺陷这是导致试样应力断裂根本原因。

    The results show that the partial unmelted region, casting defect structure and secondary crack form in the welding seam, which result in the low stress breakage of the samples.

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  • 焊接处看到了夹气孔油漆

    Slag, blowholes, and paint on unfused regions were observed at the welded junctions.

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  • 本文作者提出原地模式基础上,进一步讨论东南地洼中生代陆壳重的大地构造过程以及一过程所产生的部份域地质现象。

    On the hypothesis of remelting in SITU put forward by the author, this paper discusses both the dynamic process of crustal remelting and the geological effects brought about by the process.

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  • 本文晶体生长理论激光加热基座生长单晶光纤形状稳定问题作了研究

    In the paper, the shape stability of single crystal fibers grown by laser heating float zone growth method is studied with zone melt growth theory.

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  • 本文讨论玻璃成型温度控制方法提出计算机直接数字控制系统,给出了该系统的硬件软件

    This paper discusses the method of Glass Furnace Forehearth Zone Temperatures and presents a direct digital computer system and hardware software.

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  • 研究陶瓷衬底上多晶硅薄膜生长再结晶

    In this paper, growth and recrystallization of silicon films on ceramic substrates were studied.

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  • 光纤器件光学性能微观结构形貌决定微观结构和形貌又由工艺条件决定。

    The optical performance of the fused-taper fiber device is determined by microstructure and morphology of the fused taper region, which are determined by technological conditions.

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  • 数以百万欧洲人来到这个工业使成为人所共知”,来自各国的人融合美国人

    Into this area of industry came millions of Europeans who made of it what became known as the "melting pot", the fusion of people from many nations into Americans.

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  • 基于实际点焊接头硬度分布分析建立了包括影响母材点焊搭接接头计算模型

    Based on the hardness analyses of actual spot welded joints, a computational model that consists of nugget, HAZ and base metal is established for the single point spot welded lap joints.

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  • 本文叙述了注射成型加工参数物料性能螺杆结构存料温度分布影响

    The influences of processing parameters, material properties and screw design on melt temperature distribution in reservior during injection moulding are described in this paper.

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  • 研究结晶(ZMR)设备及其工艺特点

    ZMR (zone melting recrystallization) apparatus is introduced, and the processing characteristic of ZMR is studied.

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  • 同时,对强化机理进行了探讨

    The strengthening mechanism of the remelting zone was also discussed.

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  • 介绍了一种用于稀土金属提纯单晶炉,根据法提纯单晶的特殊工艺要求,分析了其主要结构特点

    It is introduced a puller applied to purification of rare earth (RE) material, according to the float zone (FZ) technics of crystal growing, interprets main structure and characteristic of the puller.

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  • TIG处理工艺引入了残余拉应力超声冲击在焊形成了较大数值压缩应力。

    Residual extend stress is produced at weld toe by TIG dressing, while compressing stress of high values by ultrasonic peening.

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  • 结构电学性质进行了研究。

    The structure and electrical properties of silicon film after ZMR are studied.

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  • 得到了点掺杂杂质沿锭长分布一系列普遍公式

    A series of general formulae of impurity concentration distribution along the ingot after point-doping zone melting has been derived.

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  • T1处理不能消除基体软化影响的宏观力学性能降低,但降幅不到10 %。

    T1 heat treatment couldn't eliminate remelted eutectic microstructure and matrix softening, so that the mechanical properties of the heat effected area is slightly decreased by 10%.

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  • 主要介绍探测器硅单晶高精度微量中子嬗变掺杂技术

    The technique of high precision trace neutron transmutation doping of detector grade high resistance zone-refined Si mono-crystal is introduced.

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  • 表面硬度基体提高20%。

    The hardness of surface remelting zone increases by 20% compared with the substrate.

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  • 基体结合的形貌和微观组织进行了研究。

    The features and microstructure of the cladding layer and interface layer between cladding layer and copper substrate were analyzed.

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  • 阐述热处理辐照硅单晶影响

    This paper attempts to review the effect on FZ monocrystalline silicon by annealing.

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  • 对在两相铸造进行半固态制浆所得az91 D镁合金坯料部分工艺条件及组织演变进行了研究

    The microstructure evolution and partially remelting processing of two-phase-region casting AZ91D magnesium alloy ingots were investigated.

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  • 本文主要就全啮合同向螺杆挤出机捏合流道体全充满流动进行了全三维非牛顿等温模拟

    This thesis concentrates on simulation of Non-Newtonian isothermal flow in kneading block in closely intermeshing co-rotating twin screw extruders.

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  • 焊点形状记忆效应消失焊点核外影响以外形状记忆效应跟母材相同。

    The shape memory effect in weld disappear, beyond the HAZ, shape memory effect resume.

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