argon造句
1. Some neon and argon is probably present as well.
2. He termed the gas argon.
3. If a planet remains very cold, the radiogenic argon remains trapped inside the potassium-bearing minerals in which it is formed.
4. They are the noble gases: neon, argon, krypton, xenon, and radon.
5. Volcanic rocks cool quickly, trap the argon, and so give good dates.
6. Potassium turns into argon, uranium into lead, rubidium into strontium.
7. Even argon may condense on Uranus and Neptune to form a thin haze above the methane cloud layer.
8. Although the argon laser offered the best available treatment for a time, newer lasers have now superseded it.
9. The inert gas argon is added to help to start the discharge because the vapour pressure of the mercury is very low.
10. Perutz froze the compound into an argon matrix, and irradiated the molecule with light.
11. Chloride minus. Isoelectronic with argon.
12. Argon arc welding labor 5: Has the welder card.
13. Argon is a monatomic gas.
14. The crystals were cleaned by argon ion bombardment.
15. Helium and argon are monatomic gases.
16. He termed this gas argon.
17. But the argon plasma arc voltage, low enthalpy is not high, cutting ability is limited, and cut the air than the thickness of the cut about 25% lower.
18. There are also tiny traces of other noble gases besides argon, namely, neon, krypton, and xenon.
18.try its best to gather and build good sentences.
19. The remaining 11 % of the 45K atoms decay to form the inert gas argon, 40Ar.
20. A good choice is one of the inert gases; neon, argon, krypton, or xenon.
21. Physical trapping is likely to be about as effective for neon, argon and krypton.
22. A compromise was needed; a mixture of krypton and argon proved suitable.
23. Titan is unique in having a thick atmosphere made mostly of nitrogen, with some methane and possibly argon.
24. The technique allowed him to measure the ratios of two elements, potassium and argon.
25. The ratios change over time as potassium undergoes radioactive decay and emits argon gas.
26. The first is to generate the molecules as gases, mix them with a large amount of argon and freeze the mixture.
27. In this case, it is the formation of the rock through volcanic activity, which drives off any argon formerly present.
28. The method determinates trace level of impurity moisture in several systems of cover gas water Argon using dewpoint meters in China experimental fast neutron reactor which is being constructed.
29. The early stage AMD may be effectively treated by argon laser.
30. Methods: 92 cases ( 92 eyes ) of different type retinal pores were treated with argon laser photocoagulation.
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