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1·Computational results of welding arc and pool were close to those of the experiments.

结果表明：用数学模型模拟出的电弧行为特征以及熔池形状与试验结果相吻合。

2·This research is significant and valuable to the study of underwater welding arc physics.

本研究工作对水下焊接电弧物理及焊接冶金的研究有参考价值。

3·However the welding arc may be extincted and ignited periodically. So the arc stability becomes the key.

该电源电弧容易引起周期性的熄灭和引燃，因此如何保证电弧稳定燃烧成为关键。

4·Elevated temperature method is used to measure the thermal power and electrical properties of welding arc.

采用温升法测量了电弧的热功率和静特性。

5·The works is significant and valuable to the study of underwater welding arc physics and welding metallurgic.

本研究工作对水下焊接电弧物理及焊接冶金的研究有参考价值。

6·At the special request of the flux-cored wire welding underwater, the welding arc control system is developed.

根据药芯焊丝水下焊接的要求，研制了一套水下焊接电弧控制系统。

7·In contrast with general welding method of single arc, the forms of Plasma-MIG welding arc are more complicated.

与一般的单电弧焊接方法相比，等离子mig焊的电弧形态要复杂的多。

8·High-speed photograph is an advanced useful method, which is widely used in the research work of droplet transfer of welding arc.

高速摄影是一种先进实用的实验手段，广泛用于焊接熔滴过渡研究中。

9·In this paper the temperature of underwater welding arc is investigated systematically by means of spectral diagnostics of plasma.

本文利用等离子体光谱诊断法对水下焊接电弧温度进行了比较系统的研究。

10·A new method for the diagnostics of the welding arc temperature fields is studied on the basis of Plasma physics, laser speckle photography.

根据散斑照相和电弧等离子体物理学原理，研究了诊断氩气焊弧温度场的新方法。