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François Marcel marcelling his wife's hair, 1922. Marcelling is a hair styling technique in which hot curling tongs are used to induce a curl into the hair. [1] [2] Its appearance was similar to that of a finger wave but it is created using a different method.
Selenite, satin spar, desert rose, and gypsum flower are crystal habit varieties of the mineral gypsum.. All varieties of gypsum, including selenite and alabaster, are composed of calcium sulfate dihydrate (meaning that it has two molecules of water), with the chemical formula CaSO 4 ·2H 2 O. Selenite contains no selenium, the similar names both derive from Greek selḗnē (σελήνη 'Moon').
Selenite refers to the anion with the chemical formula Se O 2− 3. It is the oxyanion of selenium. It is the selenium analog of the sulfite ion, SO 2− 3. Thus selenite is pyramidal and selenium is assigned oxidation state +4. Selenite also refers to compounds that contains this ion, for example sodium selenite Na 2 SeO 3 which is a common ...
Sodium selenite is the inorganic compound with the formula Na 2 SeO 3. This salt is a colourless solid. The pink coloured pentahydrate Na 2 SeO 3 (H 2 O) 5 is the most common water-soluble selenium compound.
A selenate selenite is a chemical compound or salt that contains selenite and selenate anions (SeO 3 2-and SeO 4 2-). These are mixed anion compounds. Some have third ...
The hairstyles were characterized by the large topknots on women's heads. Also, hairstyles were used as an expression of beauty, social status, and marital status. [8] For instance, Japanese girls wore a mae-gami to symbolize the start of their coming-of-age ceremony. Single women in Baekjae put their hair in a long pigtail and married women ...
Sodium hydrogen selenite. Sodium hydrogen selenite is an inorganic chemical consisting of a ratio of one hydrogen, one sodium, three oxygen, and one selenium atom. It is the sodium salt of the conjugate base of selenous acid. This compound finds therapeutic application for providing the essential trace element selenium.
Certain hairstyles were distinctive to particular tribes or nations. Other styles informed others of an individual's status in society. African people such as the Himba people of Namibia, Maasai people of Kenya have been braiding their hair for centuries. In many African tribes, hairstyles are unique and used to identify each tribe.