从动力学系统分析，区域变质作用混合岩化作用变质深熔作用是温压递进性变质作用。
According to the systematic kinetic analysis the processes from regional metamorphisms to migmatizations to metamorphic anatexis are the temperature-pressure progressive metamorphic processes.
激光焊接过程中产生的等离子体对激光束有屏蔽作用，降低了焊接熔深，甚至出现缺陷。
Plasma produced in laser welding process has shielding effect to the laser beam and decreases the melting depth on even result in the defect.
结果表明，A-TIG焊电弧是否产生收缩与所使用的活性剂有关，即使在电弧未产生收缩情况下，表面活性剂仍然对焊接熔深的增加有较大的作用。
The results show that whether the arc of A-TIG welding shrinks is related with active flux used. The surface active flux still has the effect on weld pool depth even when arc does not shrink.
采取适当的试验方法研究A-TIG焊活性剂对电弧现象及活性剂涂敷量对焊接熔深增加的作用。
And the effect of SPreading fusion of active flux on weld pool depth and arc phenomenon in A-TIG welding is also studied with properly experimental method.
熔深增加的主要原因是活性剂微细粉末在激光作用初期增加对激光能量的吸收率。
The main reason for the increment of laser absorptivity is that fluxes absorb more laser energy and transmit it to the specimen during the early period of laser action.
热熔法是一种全新的碎岩方法，在南极中深孔的钻进中起了重要作用。
Hot melting is a completely new method to fracture rocks and has played a very important role in drilling medium deep and deep holes in Antarctic area.
热熔法是一种全新的碎岩方法，在南极中深孔的钻进中起了重要作用。
Hot melting is a completely new method to fracture rocks and has played a very important role in drilling medium deep and deep holes in Antarctic area.
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