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Colestyramine or cholestyramine (trade names Questran, Questran Light, Cholybar, Olestyr) is a bile acid sequestrant, which binds bile in the gastrointestinal tract to prevent its reabsorption. It is a strong ion exchange resin , which means it can exchange its chloride anions with anionic bile acids in the gastrointestinal tract and bind them ...
Most nitrogen enters the diamond lattice as a single atom (i.e. nitrogen-containing molecules dissociate before incorporation), however, molecular nitrogen incorporates into diamond as well. [16] Absorption of light and other material properties of diamond are highly dependent upon nitrogen content and aggregation state.
The short B-N (1.57 Å) bond is close to the diamond C-C bond length (1.54 Å), that results in strong covalent bonding between atoms in the same fashion as in diamond. The slight decrease in covalency for B-N bonds compared to C-C bonds reduces the hardness from ~100 GPa for diamond down to 48 GPa in c-BN.
Theoretically, pure diamonds would be transparent and colorless. Diamonds are scientifically classed into two main types and several subtypes, according to the nature of defects present and how they affect light absorption: [8] Type I diamond has nitrogen (N) atoms as the main impurity, at a concentration of up to 1%. If the N atoms are in ...
A new technique grows lab diamonds without high pressure, which could revolutionize the gem industry with a sustainable and efficient process. Scientists Figured Out the Revolutionary Trick for ...
Diamond colors more saturated than this scale are known as "fancy color" diamonds. Any light shade of diamond other than Light Yellow or Light Brown automatically falls out of the scale. For instance, a pale blue diamond won't get a "K", "N", or "S" color grade, it will get a Faint Blue, Very Light Blue or Light Blue grade.
A new study suggests that omega-3 and vitamin D supplements, when combined with regular exercise, may help slow biological aging by several months over a 3-year period.. Researchers analysed data ...
3. Honey. Type: Natural sweetener. Potential benefits: Honey contains more nutrients than table sugar, including antioxidants, minerals, and vitamins.It’s also easier to digest than table sugar ...
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