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- double arc melting 两次电弧熔炼
- The oxidation of Zr(Fe,Cr)_2 with different Fe/Cr ratio prepared by non-consumable arc melting is carried out in air at 773K and 973K. 用非自耗电弧炉熔炼了比值(重量比值)不同的Zr(Fe,Cr)_2,并在773K和973K的空气中氧化。
- Base on this, in this work we prepared in situ TiC or (TiB+TiC)/Ti-1100 composites with various volume fraction of reinforcements by the consumable vacuum arc melting. 主要研究结果如下:在所制备的原位自生(TiB+TiC)或TiC/ Ti-1100复合材料中,增强体TiB、TiC分布均匀,与基体界面洁净,没有明显反应层存在。
- TiC reinforced titanium matrix composites were simply produced at low cost by non consumable arc melting technology utilizing the reaction between titanium and graphite. 利用钛与碳之间的反应 ;经非自耗电弧熔炼工艺 ;简洁、低成本地制备了 Ti C增强的钛基复合材料 .
- LIANG Shu-hua, FAN Zhi-kang, HU Rui.Microstructure and properties of CuCr series pseudobinary alloy by arc melting[J].Special Casting &Nonferrous Alloys, 2004,4(25):25-27. [4]梁淑华;范志康;胡锐.;电弧熔炼法制造CuCr触头材料的组织与性能[J]
- This paper analyses and calculates the geometric parameters of the double arc ball slide. 本文对双圆弧截面滚珠导轨的几何参数进行了分析和计算。
- As a welding method of high efficiency and low energy consumption, double arc welding has a favorable foreground in the practical production. 双弧焊接作为一种高效节能、优质经济的焊接工艺方法,在实际生产中具有良好的应用前景。
- A grinding wheel dressing device is introduced,which is used in the vertical CNC grinder to grind double arc raceway of rotary support bearings. 介绍了主要用于立式数控磨床大型回转支承双圆弧滚道加工的数控砂轮修整装置。
- TiB and TiC reinforced titanium matrix composites have been produced by non consumable arc melting technology utilizing the self propagation high temperature synthesis reactions between titanium and B 4C, graphite. 利用钛与碳化硼及石墨之间的自蔓燃高温合成反应 ,经非自耗电弧熔炼工艺制备了 Ti B晶须和 Ti C粒子混杂增强的钛基复合材料。
- According to the analsysis of horizontal well's trajectory, this article introduced nine kind of horizontul profiles, such as single arc, double arc and so on. 水平井选料轨迹有一般造斜、垂直造斜点、目的层水平段、稳斜加下造斜、上选料加稳斜、单一稳斜、双圆弧造斜、单圆弧造斜及单圆弧造斜加水平稳斜轨迹等9种类型。
- The Circular -Arc-Tooth-Trace gear with double arc flank profile has the tooth trace of CATT gear and the tooth flanks profile of double circular arc gear, therefore the gear is convex-concave engaging in both flank profile and tooth trace. 圆弧齿线双圆弧齿轮是采用双圆弧齿轮的齿廓和圆弧齿线圆柱齿轮的齿线而形成的新型齿轮,独特的凸凹啮合齿线和凸凹啮合齿廓,使其齿面接触强度和轮齿弯曲强度都得到了很大提高,是一种应用前景十分广阔的新型齿轮。
- consumable electrode cold-mold arc melting 自耗电极水冷坩埚电弧熔炼
- The numerical results show that the double arc transition form can make different cylinder shells eliminate stress concentration at two ends and amend stress distribution of changeover portion. 计算结果表明：双圆弧式的过渡形式能使不同直径圆柱壳两端连接处消除应力集中和改善过渡段应力分布。
- Based on basic theory of maximum error minimum method, double arc parameters for normal tooth outline in rectangle spline hob are optimized to obtain tooth outline in workpiece with minimum error. 根据最大误差最小法的基本原埋,对矩形花键滚刀法向齿形的双圆弧参数进行了优化,使滚刀加工出的工件齿形误差最小。
- consumable-electrode arc melting 自耗电极电弧熔炼
- double arc contact reduction gear 双圆弧减速齿轮
- A study of double arc crown profile of PDC bits PDC钻头双圆弧冠部轮廓曲线研究
- A double rainbow frames termite mounds in Australia's grasslands. Double arcs happen when light is reflected more than once in an atmospheric water droplet. 意译：彩虹在自然界的模式。一个双彩虹构造在白蚁土堆位于澳大利亚的草原。双弧彩虹的出现是当光线的反射超过一次在大气层的水微滴。
- double arc extinguishing chambers 双灭弧室
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
