inert gas造句
1. Helium and neon are inert gases.
2. Inert gases such as helium have zero valencies. they do not normally form compounds.
3. A good choice is one of the inert gases; neon, argon, krypton, or xenon.
4. This indicates that the inert gases were acquired by a different means from carbon and nitrogen.
5. The inert gases are so called because they do not readily form chemical compounds.
6. The inert gas argon is added to help to start the discharge because the vapour pressure of the mercury is very low.
7. If an inert gas is chosen oxides are not produced by burning.
8. Dedicated inert gas cylinders should be used for purging.
9. Radon is a kind of inert gas.
10. Helium is a monatomic chemically inert gas.
11. A compressed inert gas a fluorocarbon, that acts a vehicle forthe contents of an aerosol container.
12. The leak check should be performed with an inert gas, and care should be taken not to over pressurize any components of the system.
12.try its best to collect and build good sentences.
13. Inert gas welding is the preferred method of joining several ferrous and nonferrous alloys.
14. It is not necessary to replace air with inert gas.
15. Conveyance of compressed air and inert gas under normal temperature.
16. The tube is blanketed in an inert gas such as nitrogen or argon.
17. An inert gas such as argon is introduced to reduce evaporation of the filament.
18. Inert gas studies are providing valuable information about other planets, too.
19. To deal with corrosion at weld joint, shielded inert gas are will be used and the insulation grade raised.
20. It is used as an inert gas in welding, rocket propulsion, balloon flight, hyperbaric chambers, deep-sea diving (see nitrogen narcosis ), gas chromatography, luminous signs, and cryogenics.
21. New inert gas data from terrestrial rocks has also raised other questions about the evolving earth.
22. Inert gas such as argon is blowed into the furnace to agitate the molten pool.
23. The zinc sulphide is then transferred to a vessel through which passes an inert gas, such as nitrogen or carbon dioxide.
24. The remaining 11 % of the 45K atoms decay to form the inert gas argon, 40Ar.
25. Top - slag refining process in CAS - OB unit under inert gas protection is introduced.
26. The resistance loss on coke bed in CDQ chamber is measured, the influence of inert gas cooling quantity, coke size and shape factor on resistance loss is studied.
27. There, in a process called denitrification, microbes convert the nitrogen into nitrous oxide (also called laughing gas) and an inert gas called dinitrogen.
28. To ensure the purity grade and flow rate of shielding inert gas, to use tungsten electrode activated with nanosized thoria are two better ways to decrease the erosion rate of electrode.
29. Effects of the main factors, such as reaction temperature, pressure, amount of catalyst, reaction time and flowrates of propene and the inert gas, on the reaction were discussed.
30. The study of the synthesis of linear carbon by the method of dehydrates and dehydrogenate of PVA was consisted of two aspects: the selection of inert gas and the effect of oxygen.
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