<< thorite thoriums >>

thorium Meaning in Tamil ( thorium வார்த்தையின் தமிழ் அர்த்தம்)



Noun:

தோரியம்,



thorium's Usage Examples:

In its chemical affinities zirconium resembles titanium, cerium and thorium; it occurs in company with these elements, and is tetravalent in its more important salts.


Inhalations of thorium emanations produced from thorium nitrate through a wash-bottle inhaler are said to have a bactericidal action in diseases of the lungs.


In 1824 he obtained zirconium from potassium zirconium fluoride; the preparation of (impure) titanium quickly followed, and in 1828 he obtained thorium.


The phosphorescence of the sulphide obtained by heating the thiosulphate is much increased by adding uranium, bismuth, or thorium before ignition pr.


In two cases, however, it has been found in the absence of appreciable quantities of uranium and thorium compounds, namely in beryl, and in sylvine (potassium chloride).


Helium is relatively abundant in many minerals, all of which are radioactive, and contain uranium or thorium as important constituents.


In its salts, thorium is tetravalent, and in the periodic classification it occurs in the same sub-group as titanium, cerium and zirconium.


Monazite, a phosphate of thorium and other rare earths, contains on the average about i cc.


Within these limits are to be found most of the minerals known - gold, silver, quicksilver, copper, lead, zinc, iron, manganese, wolfram, bismuth, thorium, vanadium; mica, coal, 'c.


For the so-called "disintegration of the thorium atom" and the relation of this element to the general subject of radio-active emanations, see Radio-Activity.


A number of salts of thorium have been prepared for therapeutic use, including the hydroxide, nitrate, salicylate, oleate and lactate.


) The richest known source is thorianite, which consists mainly of thorium oxide, and contains 9.





Synonyms:

metallic element, monazite, thorite, thorium-228, Th, atomic number 90, metal, radiothorium,



Antonyms:

nonmetallic,

thorium's Meaning in Other Sites