- 업종: Printing & publishing
- Number of terms: 178089
- Number of blossaries: 0
- Company Profile:
McGraw Hill Financial, Inc. is an American publicly traded corporation headquartered in Rockefeller Center in New York City. Its primary areas of business are financial, publishing, and business services.
A macrocyclic polyether whose structure exhibits a conformation with a so-called hole capable of trapping cations by coordination with a lone pair of electrons on the oxygen atoms.
Industry:Chemistry
(NO<sub>2</sub>)C<sub>6</sub>H<sub>3</sub>NH<sub>2</sub> A compound which crystallizes as yellow needles or greenish-yellow plates, melting at 187.5–188_C; soluble in alcohol; used in the manufacture of azo dyes.
Industry:Chemistry
A sulfur-to-sulfur bond linking the sulfur atoms of two polypeptide chains. Also known as disulfide bond.
Industry:Chemistry
The gitogenin tetraglycoside in Digitalis purpurea seed; resembles digitonin.
Industry:Chemistry
An ion that results from the loss of an electron by an organic molecule following bombardment with high-energy electrons during mass spectrometry.
Industry:Chemistry
C<sub>6</sub>H<sub>3</sub>(OH)<sub>3</sub>_2H<sub>2</sub>O White to yellow crystals with a melting point of 212–217_C when heated rapidly and 200–209_C when heated slowly; soluble in alcohol and ether; used as a bone decalcifying agent, as a floral preservative, and in the manufacture of pharmaceuticals.
Industry:Chemistry
An organic compound that may be written R<sub>1</sub>R<sub>2</sub>NH, where R<sub>1</sub> and R<sub>2</sub> designate either identical or different groups.
Industry:Chemistry
The three-dimensional arrangement of substituents around a chiral center in a molecule. Also known as absolute stereochemistry.
Industry:Chemistry
The stereochemistry when, simultaneously, two sigma bonds are formed or broken on the opposite faces of the component pi systems, such as in a cycloaddition reaction.
Industry:Chemistry
