查询词典 arc-weld

Through the establishment of mathematical model of arc pressure, this paper analyzes the improvement of high-frequency pulse current to arc characteristics.

本文建立了电弧压力的数学模型，分析了高频脉冲电流对电弧特性的改善。

A new curvature-based algorithm in free-form curve fitting was proposed to fit a 2D NURBS profile with an arc spline ,where a new form of curvature formula with matrix representation was also proposed,and then the arc spline tool path with G~(1) continuity was generated.

给出了一种平面曲线轮廓的圆弧样条拟合及刀具路径生成算法，该算法面向零件轮廓的光顺性刀具路径生成，通过应用曲线的曲率关系，对以NURBS表示的被拟合自由曲线按参数递增的方向用G1连续的圆弧或直线段逐段拟合，并生成相应的圆弧样条刀具路径，从而实现零件曲线轮廓表面的光顺加工。

SAPA brand,it has designed and developed patent Arc display rack,which have be part to international production.SAPA arc display rack include fashionable dress clothes rack.Sports goods rack ,fallow dress display shelf ,Women dress fixture ,Men dress display rack and cupboard .Cowboy dress display rack .Children dress display rack and cupboard,etc.

"SAPA"，"萨帕"品牌，设计开发国际专利新产品弧行展示架；萨帕弧行展示架系列产品包括专卖店时装展示架，运动服装展示架，休闲服装展示架，女装展示架，男装展示架展示柜，牛仔服装展架，童装展示架和展示柜等。

Keyword: Form of line of odd circular arc; Impeller blades; Milling craft; Error analysis0 forewordForm of odd round arc impeller blades is the crucial part in air-blower, its production method has solder, riveting and duralumin suppress.

铣制元理见图2，将要被处理的工件叶轮装置在铣床另加的等分盘上，等分盘固定在转回工作台上，使工件与转回工作台齐心，并紧固在一个，将铣床的工作台丝秆接长，使丝秆与挂轮体系的万向连轴节作同歩翻动。

The model can be used to simulate network and substation including arc furnace and can take the place of traditional linear electric arc voltage model.

仿真结果表明，本文所提出的模型适用于电弧炉供电系统的电压波动的研究，可以代替传统的线性电弧电压模型。

Arc fault is a major cause of the electric fire, detecting on the arc fault comprehensively and effectively is the study of this article.

故障电弧是造成电气火灾的重要原因，实现全面而有效的对故障电弧的检测是本文的研究内容。

4There is not the electric arc ray radiation owing to the fact that burns down on the electric arc soldering flux layer.

由于电弧焊剂层下燃烧，没有电弧光辐射。

Vacuum interrupter is the core of high voltage vacuum switch. Because of the long contact gap, the axial magnetic field contact is widely used to generate stronger and evener AMF in the contacts' gap. It can reduce arc current density and arc energy, so its interrupting performance is improved.

高压真空开关的核心部件之一是真空灭弧室，由于其触头开距较大，因此多采用纵向磁场触头，希望触头间隙有较强且较均匀的纵向磁场，这样可降低电弧电流密度，降低电弧能量，从而提高开断性能。

Roundness tolerance of pitch diameter Roundness tolerance for a minimum of 345o circumferential arc of the pitch diameter shall not exceed .002 inch (0.051 mm) total, or one half the pitch diameter tolerance if the pitch diameter tolerance is less than .004 inch (0.102 mm); roundness tolerance of the remaining 15o maximum circumferential arc shall not exceed .004 inch (0.102) total, provided such tolerance does not result in excrescence on the thread flank.

圆度公差沥青直径圆容忍最低限度的345o圆周弧音高直径不得超过0.002英寸（ 0.051毫米）总，或一的一半，足球场直径公差，如果沥青直径公差小于0.004英寸（ 0.102毫米）；圆的耐受性，其余15o最大周弧不得超过0.004英寸（ 0.102 ），共计提供这样的宽容不会导致在excrescence对线程的侧翼。

The results show: when the eyes gaze at the 0° field of view, the lens can provide an 1-arcmin resolution. And Turning the eye and focusing on the 14° field of view, the lens can provide an 1.1-arcmin resolution.

MTF的评价结果显示：当眼睛注视0°视场时，系统达到1.1 arc minute的分辨率；当转动眼睛注视＋14°视场时，系统达到1.1 arc minute的分辨率。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。