gas shielding 中文意思是什麼
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The pqr shall include the composition and flow rate of the shielding and inert gas backing, when used
焊接工藝評定記錄單上應包括封底焊時所用的惰性保護氣體組成成分和流率。 -
A deformational particle with oil - soluable property is used as a bridge plug to build a shielding layer in the oil - gas reservior channel, to prevent the pollution caused by drilling mud entering the reservior due to the pressure difference, and so to protect the oil - gas reservior
摘要用一種具有油溶性質的可變形粒子做橋塞物，在油氣儲層通道中建立橋堵屏蔽層，防止由於壓差造成鉆井泥漿進入儲層而形成污染，從而起到保護油氣儲層的作用。 -
A shielding gas is employed and the transfer mode is not " short - arc "
採用保護性氣體和非短弧的過渡方式。 -
The effects of the tested condition, e. g. environment humidity, drying temperature, dew point of shielding gas, etc, on diffusible hydrogen content of the domestic electrodes for welding mild and low alloy steels is analyzed and compared with that of the foreign electrodes
摘要採用水銀法研究了環境濕度、烘乾溫度、保護氣體露點等測試條件對焊縫擴散氫含量的影響，分析了我國碳鋼及低合金鋼焊條中的擴散氫含量，並且與國外焊條的擴散氫含量進行了對比。 -
Our product line includes honeycomb seal for turbine machines, such as aeroengines, steam turbines, gas turbines and industrial turbomachines, metallic honeycomb products including aerospace quality honeycomb core materials, honeycomb flow staightener and honeycomb rolls for nonwoven, emi shielding products and metallic catalytic converter for automobile, etc
主導產品蜂窩封嚴產品安達泰克科技為航空發動機燃氣輪機汽輪機等透平機械的製造改造和維修提供高質量的蜂窩封嚴產品，包括各種規格的蜂窩封嚴弧段和封嚴環。 -
Argon serves as a shielding gas to protect metals from oxidation during welding. inert gas welding is the preferred method of joining several ferrous and nonferrous alloys
焊接中，氬作為保護氣防止金屬氧化。惰性氣體焊接是連接幾種含鐵和不含鐵的合金的首選方法。 -
The stainless steel and carbon steel can be excellently bonded under lower pressure by using silver intermediate sandwich materials and the oxide film on stainless steel can be destroyed effectively by argon gas shielding in the heating process
結果表明，採用自製的銀基中間夾層材料可以使兩種母材在較低的壓力下實現良好的復合；加熱過程中採用氫氣保護能夠有效地去除不銹鋼表面緻密的氧化膜。 -
Welding wires for gas shielding arc welding of carbon and low alloy steels
氣體保護電弧焊用碳鋼低合金鋼焊絲 -
During large power laser beam welding, the surface of the work - piece is melted and gasified, which is ionized and form plasma with the shielding gas on the condition of high temperature over the welded zone
在激光焊接過程中，當被焊材料受到高能激光束作用時，其表面會迅速熔化、氣化，與外加的保護氣體一起在被焊區域的上方電離形成等離子體雲。 -
Analyses indicate that horizontal wells, gas based working fluids, and temporary shielding techniques are suitable for the protection of such tight gas sandstone reservoirs
分析表明，應用水平井技術、氣體類工作流體或屏蔽式暫堵技術對裂縫性緻密砂巖氣層保護較理想。
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