gadolinite造句
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- The mineral that Gadolin examined was named gadolinite in 1800.
- Polycrase, or an allied species, was seen implanted upon the gadolinite.
- Similar compositions are found in xenotime or gadolinite.
- Other minerals known to undergo metamictization include allanite, gadolinite, ekanite, thorite and titanite.
- It is found associated with gadolinite.
- Holmium is found in the minerals monazite and gadolinite, and is usually commercially extracted from monazite using ion exchange techniques.
- The first such mineral discovered was gadolinite, a mineral composed of cerium, yttrium, iron, silicon and other elements.
- In 1815, the Swedish chemist J鰊s Jakob Berzelius analysed an unusual sample of gadolinite from a copper mine in Falun, central Sweden.
- Of the 47 minerals discovered at Barringer Hill, gadolinite, a radioactive form of yttria, triggered the most interest at the time.
- This color behavior is similar to what Mosander and the other early workers in the lanthanides would have seen in their extracts from the gadolinite minerals of Ytterby.
- It's difficult to see gadolinite in a sentence. 用gadolinite造句挺難的
- Swedish chemist Lars Fredrik Nilson and his team discovered the missing element in the minerals euxenite and gadolinite and prepared 2 grams of scandium ( III ) oxide of high purity.
- Well-known minerals containing yttrium include gadolinite, xenotime, samarskite, euxenite, fergusonite, yttrotantalite, yttrotungstite, yttrofluorite ( a variety of fluorite ), thalenite, yttrialite.
- It is called gadolinite-( Ce ) or gadolinite-( Y ), depending on the prominent composing element ( Y if yttrium predominates, and Ce if cerium ).
- It is called gadolinite-( Ce ) or gadolinite-( Y ), depending on the prominent composing element ( Y if yttrium predominates, and Ce if cerium ).
- These were gadolinium ( found in gadolinite, named after the Finnish chemist Johan Gadolin ) and samarium ( the mineral samarskite was named after a Russian mining engineer, Vasili Samarsky-Bykhovets ).
- Samarium occurs with concentration up to 2.8 % in several minerals including cerite, gadolinite, samarskite, monazite and bastn鋝ite, the last two being the most common commercial sources of the element.
- Rare minerals from Scandinavia and Madagascar such as gadolinite, euxenite, and thortveitite are the only known concentrated sources of this element, the latter containing up to 45 % of scandium in the form of scandium ( III ) oxide.
- "' Gadolinite "', sometimes known as "'Ytterbite "', is a silicate mineral consisting principally of the silicates of cerium, lanthanum, neodymium, yttrium, beryllium, and iron with the formula ( Ce, La, Nd, Y ) 2 FeBe 2 Si 2 O 10.
- Samarium is not found free in nature, but, like other rare earth elements, is contained in many minerals, including monazite, bastn鋝ite, cerite, gadolinite and samarskite; monazite ( in which samarium occurs at concentrations of up to 2.8 % ) Samarium is usually sold as oxide, which at the price of about 30 USD / kg is one of the cheapest lanthanide oxides.
- Because of its economic potential as a material for light filaments, both Thomas Edison and George Westinghouse attempted to obtain the hill, with the Piedmont Mining Company, which was owned by Edison, winning out in 1889 . In 1903, German chemist Walther Nernst, who later became famous for discovering the Third Law of Thermodynamics, was working for Westinghouse when he developed a street light that used raw gadolinite as a filament.
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