The influence of He-to-Ar ratio in AC-TIG on the AZ31 welding properties was studied. The arc characters, weld penetration, joint forming were measured and analyzed.

探讨了氦气和氩气不同配比对AZ31 镁合金交流钨极惰性气体保护焊（TIG） 焊接性的影响，对不同气体配比的混合气体电弧特性、熔深、焊缝成型进行了分析和测定。

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To help off-load the risk, Scheetz is forming joint ventures on all of the new projects.

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Hutchinson said GE would like to partner with more Chinese state-owned enterprises in strategic areas by forming more joint ventures in the future.

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That's because forming a joint venture with a company before trying to buy it gives a company inside information about the target's worth and the value of the research it is seeking to acquire.

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