单弧

双丝单弧预热填丝焊研究

Research on Double Wire Single Arc Preheating Wire Filling Welding

单弧、双弧、十字格栅间接透光，无眩光，护眼，是办公的理想照明灯具。

Indirect downward lighting Indirect downward lighting with single arc , double arc or cross louver reflector , glare free and eye protected , optimal for office lighting .

介绍了双丝单弧预热填丝焊的基本原理，以及双丝单弧预热填丝埋弧焊试验研究结果。

This article introduces the principle of double wire single arc preheating wire filling welding , and the test result of the double wire single arc preheating wire filling submerged arc welding .

研究证明：双丝单弧预热填丝焊是一种高效节能节材的新方法，尤其是在焊丝掺合金堆焊方面有很好的效果。

The research proves that this welding is a new kind of high efficiency , energy saving and material saving method , especially in the alloy filling welding wire of stack welding , it has the well effect .

本文以电弧电压为控制量，送丝速度为被控制量，采用MATLAB软件实现了双输入、单输出弧长模糊控制器的设计，并通过仿真对模糊控制中的比例因子和量化因子进行了优化。

The fuzzy arc length controller is established with arc voltage as the input and wire speed as the output , based on the MATLAB software .

单圆弧齿轮的强度计算

Strength Calculation of W N Gear with Single Arc Tooth Profile

单圆弧齿廓链轨式无链牵引机构的分析研究

Analysis and Research of Non-chain Drawing Mechanism with Single Circular-arc Tooth Profile Driving Wheel

热轧钢板和基体碳钢的电化学阻抗谱均呈现单容抗弧。

The electrochemical impedance spectra of hot rolled steel and carbon steel showed single capacity .

对比渐开线齿轮泵，单圆弧齿轮泵的瞬时排量与齿轮角速度成正比，且稳定，无脉动。

Comparing with involute gear pump , the instant displacement is in direct proportion to the angular velocity of the gear and stable without pulsation .

交流阻抗试验结果表明，Ni-W-P/Pr2O3镀层在整个浸泡过程中仅出现一个时间常数的单容抗弧，且随着腐蚀时间的增长，镀层电阻也在增大。

In the EIS test of Ni-W-P / Pr2O3 coating , only one capacitance arc appears during the immersion period and the coating resistance increases with increasing corrosion time .

利用数控机床的结构特点，采用单圆弧等误差法加工盘状凸轮曲线表面，将凸轮轮廓曲线离散成多段圆弧，使圆弧的拟合误差近似相等，从而进行数控加工程序的编制。

The paper discusses how to write the program for numerical control of building the curved surface of disc-shaped cam by single-arc equal error according to the structure of number controlled machine tool .

在实验中对单园弧、双圆弧、抛物线三种类型的薄板翼型进行了孤立翼型的吹风试验，得出了各翼型升力系数，阻力系数随冲角变化的结果。

In the experimental study , the three types of isolated plate airfoils of circular arc , double-circular arc and parabola section are tested in wind tunnel . The variations of lift coefficient and drag coefficient with the incidence are presented in detail .

卫星单圈单弧段观测数据误差估计

The Error Estimate to the Single Circle Observation Data of Satellite

单站短弧段人造卫星轨道预测

Satellite orbit forecast in short arch with single sit

在不能填充曲率单调的单拐曲线弧的情况，给出一个计算曲率极值点的曲率的公式。

Besides , If it can not fill a rotated cubic arc of monotonic curvature , the method for computing extreme value of curvature is given .

本文使用了天文方法建立了人造卫星运动的数学模型，给出了一种只使用单站短弧段测角数据对人造卫星轨道进行高精度预测的算法。

Dynamic model of satellite is built up with astronomic method , and a short-arch forecast arithmetic of satellite orbit in short arch with single site is given , which is of high precision when only angle data is available .

单电极直流埋弧电炉的特性及冶炼硅铁操作

Characteristics of single electrode DC submerged-arc furnace and operation for smelting Fe-Si

2000kVA单电极直流埋弧铁合金电炉的运行

Operation of 2000 KVA single electrode DC submerged arc furnace

在已知弧齿锥齿轮齿面网格的条件下，分析了单齿啮合时弧齿锥齿轮齿面弹性变形对轮齿啮合点位置的影响。

With the knowledge of tooth surface meshing grids , the influence of tooth surface elasticity on meshing points was analyzed .

介绍了中冷器抽换散热单节的氩弧焊接工艺，分析了中冷器抽换散热单节的焊接特点以及焊接性。

The argon arc welding process after replacement of intercooler cooling section was presented . The welding feature and weldability were analyzed .

击穿统计特性试验研究表明，三断口真空灭弧室相比单断口真空灭弧室具有更低的击穿概率。

The statistical results show that the triple breaks vacuum interrupters in series have the lower breakdown probability compared with the single break one .

操作结果表明，单电极直流埋弧电炉具有电弧稳定、坩埚区温度较高、并对原料具有较强的适应能力等优点。

The results show that the single electrode DC submerged-arc furnace has it 's advantages : greater arc stability , higher temperature in crucible area , higher flexibility regarding the choice of raw materials etc.

研究表明，三断口真空灭弧室比单断口真空灭弧室具有更低的击穿概率，试验数据与理论分布曲线基本吻合。

The research results show that the breakdown probability of vacuum extinction chamber with triple breaks is lower than that of vacuum extinction chamber model with single break , the testing data basically coincides with theoretical distribution curve .

建立了三断口真空开关试验模型，对单断口真空灭弧室模型和三断口真空开关模型进行了大量的冲击击穿特性试验。

The experimental model with single break and that with triple breaks are built up respectively , and a lot of impulse breakdown tests for vacuum extinction chamber model with single break and VCB model with triple break are conducted .