电弧

Through testing practically and calculating theoretically, this paper has evaluated generally the energy consumption of the SCR arc welding power source?the DC arc welding generator and the inverter arc welding power source for manual arc welding machine used in production.

通过实际测试与理论计算，对晶闸管整流电源弧焊机、直流弧焊发电机和逆变电源弧焊机等生产中常用的焊条电弧焊焊机的耗电量情况进行了综合评价。

The methodology was using a high voltage electric arc generator to ionize the hydrocarbon fuel and air mixture. The ionized gas was reformed into the hydrogen-rich gas.

研究中利用脉冲火花放电方式产生电弧，让碳氢燃料与空气混合物离子化，以部分氧化来产出富氢气体。

Establish the SPETCG lumped parameter model including PFN model, electrical exploding model, plasma generator ablation-controlled arc discharge model, IB lumped parameter model and IB inverse analysis model, which provides theory tools for SPETCG experimental analysis and parameters design.

建立了包括脉冲功率源模型、电爆炸模型、等离子体发生器消融控制电弧放电模型、内弹道零维模型、内弹道反算模型在内的完整的SPETCG零维模型，为SPETCG的实验分析与参数设计提供了理论工具。

Welding is a complicated process in which arc physics, heat transfer, metallurgy and mechanics are involved.

焊接是一个涉及电弧物理、传热、冶金和力学的复杂过程。

Through the acquisition of welding currents and voltages during welding ,the arc behavior of welding process was analyzed.

对焊接过程的电流及电压波形进行采集，分析焊接过程的电弧行为。

It reveals the relationship between the weld quality and the matching of parameters in plasma arc welding process.

从等离子电弧力的角度，探讨了等离子弧焊接工艺参数及其匹配的内在联系与规律性。

The results show that a dense aluminum coating can be obtained by the optimum arc spraying process.

结果表明：采用优化后的电弧喷涂工艺可以获得致密的铝涂层，孔隙率约为火焰喷涂的1/20。

Waveform of main state variables in dynamic process of CO2 arc welding is given by simulation.

这些技术全是针对短路过渡型CO2电弧焊系统存在的本质非线性而采取的有效对策。

In the steel-making process of electric arc furnace, the endpoint parameters, i.

在电弧炉冶炼生产过程中，出钢温度、碳含量和磷含量等终点参数直接关系到后续生产工艺，甚至影响产品质量。

MATLAB is a powerful tool for improving performances of arc welding inverter, and it is a new method for quantitative analysis in the dynamic process of nonlinear arc welding system.

因此，有必要探寻新的有效工具，对包含弧焊逆变器的短路过渡型CO2电弧焊系统进行定量动态研究。

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。