| iron |
Iron(II) sulfate, also known as ferrous sulfate and as copperas (FeSO4) is an example of an ionic compound. It is found in various states of hydration (FeSO4·H2O, FeSO4·4H2O, FeSO4·5H2O, FeSO4·7H2O); the heptahydrate is also called green vitriol, copperas, or melanterite (a mineral that commonly occurs with pyrite). Iron(II) sulfate has a blue-green color, monoclinic crystal structure, and is water-soluble. Its molecular weight is 151.9026 g/mol. ...
출처: en.wikipedia.org/wiki/Iron(II)_sulfate
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| iron deficiency |
Iron deficiency is the most common known form of nutritional deficiency. In the human body, iron is present in all cells and has several vital functions -- as a carrier of oxygen to the tissues from the lungs in the form of hemoglobin, as a facilitator of oxygen use and storage in the muscles as myoglobin, as a transport medium for electrons within the cells in the form of cytochromes, and as an integral part of enzyme reactions in various tissues. ...
출처: en.wikipedia.org/wiki/Iron_deficiency_(medicine)
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| iridescence |
The rainbowlike effect that changes according to the angle from which it is viewed or the angle of incidence of the source of light. See Iridescent Amber Compote and Iridescent Dark Blue Compote.
출처: www.geocities.com/kings_crown/list.html
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| iridescence |
Birds with iridescence have feathers with special properties which reflect different colors of light. Different angles of light striking the feathers may produce colors like purple, green, bronze, blue, and more. Many blackbirds, including the Common Grackle, possess iridescent plumage.
출처: www.geocities.com/easternbirds/Glossary.html
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| irreversible |
A system which, when returned to its original state, causes a change in the surroundings.
출처: highered.mcgraw-hill.com/sites/0072480823/student_...
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