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inert gas造句
31. Noble gas( or inert gas ):Any of the six chemical elements that make up the rightmost group of the periodic table as usually arranged: helium, neon, argon, krypton, xenon, and radon. 32. The nitrogen in the block Si3N4 can be determined accurately by inert gas fusion thermal conductivity method combined with 5-element bath. 33. Every pack of powder is back - filled with inert gas to prevent further oxidation during storage. 34. Special care has been taken to ensure these inert gas ovens are fully sealed to maintain their inert atmosphere and provide consistent thermal processing. 35. Are all the persons in charge of cargo operations aware that in the case of failure of the inert gas plant , discharge operations should cease and the terminal be advised? 36. This article introduces the characteristic, working principle, main parts and the welding efficiency of the new single-pole pipe-board auto inert gas arc welding machine. 37. It is only device to measure hemodynamic by the Inert Gas Rebreathing method. 38. Inert gas are welding product, tough and long term usage, beauty and easy cleaning. 39. Leak - test lines and equipment with an inert gas before using. 40. The selective reduction impoverishment of slag from copper smelting with addition of charcoal powder and stirring of inert gas is investigated by the aid of metallurgical analysis, SEM and EDX. 41. Each electrode is a filaments for providing electrons to maintain an electric discharge through inert gas. 42. An empirical formula was given for determining the minimum inert gas flow rate. 43. The key to improve distilling effect lies in increasing the cooling area, decreasing inert gas pressure and installing the effective vapour-liquid separator. 44. Especially suitable for inert gas protection weld and gas cutting. 45. Thirdly, the CO 2 or inert gas fire - fighting system foam fire - fighting system.