thoria वाक्य
उदाहरण वाक्य
मोबाइल
- Sometimes thorium nitrate is used instead, because it will thermally decompose to thoria at high temperatures.
- *" Thoria was used to control the grain size of tungsten metal used for spirals of electric lamps.
- Additionally, thoria is a material for heat-resistant ceramics, as used in high-temperature laboratory crucibles.
- Many applications of thorium use, rather than the metal, its dioxide, commonly called " thoria " in the industry.
- Thoria dispersed nickel finds its applications in various high temperature operations like combustion engines because it is a good creep resistant material.
- Dead or American supported many artists over a nine-year period, including Reuben, Dogs Die in Hot Cars and Thoria.
- The melting point of thoria is 3300 �C the highest of all known oxides; only a few substances have higher melting points.
- This property of thoria is used in thorium mantles of portable gas lights, including natural gas lamps, oil lamps and camping lights.
- Thoria has been used as a chemical catalyst in the conversion of ammonia to nitric acid, in petroleum cracking and in producing sulfuric acid.
- In the past thoria ( thorium dioxide ) was used as a contrast agent for medical X-ray radiography but its use has been discontinued.
- Thorium tetrachloride ( ThCl 4, white, m . p . 770 �C ) is produced by heating thoria in an organochloride compound such as carbon tetrachloride.
- The three known binary thorium carbides are ThC 2, Th 2 C 3, and ThC : all are produced by reacting thorium or thoria with carbon.
- However, it impressed Gaddafi, who had been watching the execution on live TV . He subsequently promoted Ben Amer to high government posts, including twice mayor of Benghazi and a leading member of the Legion Thoria, Gaddafi's organization of revolutionary committees.
- The pro-Gaddafi forces in Bani Walid were reported to include members of the Legion Thoria, a part of Gaddafi's secret police, as well as members of the elite Khamis Brigade and mercenaries from Darfur, according to opponents of the old regime.
- The "-um " suffix is consistent with the universal spelling alumina for the oxide ( as opposed to aluminia ), as lanthana is the oxide of lanthanum, and magnesia, ceria, and thoria are the oxides of magnesium, cerium, and thorium respectively.
- *" One use of thoria is not being phased out from is in gas tungsten arc welding ( GTAW ) to increase the high-temperature strength of tungsten electrodes and improve arc stability . " question 1 : why not ? question 2 : how does it work ? question 3 : does this require a high Th percentage?
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