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Zinc selenide is the inorganic compound with the formula ZnSe. It is a lemon-yellow solid although most samples have a duller color due to the effects of oxidation. It is an intrinsic semiconductor with a band gap of about 2.70 eV at 25 °C (77 °F), equivalent to a wavelength of 459 nm.
Zinc compounds are chemical compounds containing the element zinc which is a member of the group 12 of the periodic table. The oxidation state of zinc in most compounds is the group oxidation state of +2. Zinc may be classified as a post-transition main group element with zinc(II). Zinc compounds are noteworthy for their nondescript appearance ...
Kolodziejski joined the Electrical and Computer Engineering Department at Purdue University as an assistant professor in 1986. [4] She was awarded the National Science Foundation Presidential Young Investigator Award from 1987 to 1993 for researching potential uses of molecular-beam epitaxy with photo-excitation, for designing more efficient doping processes of zinc selenide and for studying ...
This is not only my fellow beauty editor Marie Lodi's favorite makeup remover of the year, but it also boasts 45,000 five-star reviews (including "Quite literally a FREAKING GODSEND!"). In short ...
Sample of cadmium selenide, a pigment. The parent inorganic selenide is hydrogen selenide (H 2 Se). It is a colorless, malodorous, toxic gas. It dissolves in aqueous solution, to give the hydrogenselenide or biselenide ion HSe −. At higher pH, selenide forms. Solutions of hydrogen selenide and selenide are oxidized by air to give elemental ...
A decades-old cosmetic procedure called mesotherapy, which involves injecting unregulated mixtures of vitamins and drugs under the skin to reduce under-eye bags, is regaining popularity in the US.
Diets rich in four different types of nutrients may help reduce iron buildup in the brain and lower the risk of cognitive decline that comes with aging, a new study suggests.
For the average adult human, the skin has a surface area of 1.5–2.0 square metres (15–20 sq ft). The thickness of the skin varies considerably over all parts of the body, and between men and women, and young and old. An example is the skin on the forearm, which is on average 1.3 mm in males and 1.26 mm in females. [4]
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