- 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.
Poisonous extract from the plant Strychnos toxifera containing a mixture of alkaloids that produce paralysis of the voluntary muscles by acting on synaptic junctions; used as an adjunct to anesthesia in surgery.
Industry:Chemistry
C<sub>21</sub>H<sub>33</sub>CO<sub>2</sub>H A pale-yellow liquid, boils at 236_C (5 mmHg), insoluble in water, soluble in ether, and found in fish blubber.
Industry:Chemistry
A colorless liquid used as a solvent, in detergents, and as a diluent; a typical example is ethylene glycol diethyl ether, C<sub>2</sub>H<sub>5</sub>OCH<sub>2</sub>CH<sub>2</sub>OC<sub>2</sub>H<sub>5</sub>.
Industry:Chemistry
C<sub>20</sub>H<sub>25</sub>NO<sub>4</sub> An optically inactive alkaloid derived from alkaline mother liquors from morphine extraction; it crystallizes in orthorhombic prisms from alcohol and chloroform; the prisms melt at 167_C, and are soluble in hot alcohol, benzene, and chloroform. Also known as dl-laudanidine.
Industry:Chemistry
C<sub>15</sub>H<sub>10</sub>O<sub>7</sub>_2H<sub>2</sub>O Colorless needles soluble in boiling alcohol, slightly soluble in water; used as a mordant dye and analytical reagent.
Industry:Chemistry
C<sub>6</sub>H<sub>4</sub>CHN<sub>2</sub>CH Colorless crystals, melting at 91_C; soluble in alcohol.
Industry:Chemistry
A rearrangement reaction that consists of the migration of a sigma bond (that is, the sigma electrons) and the group of atoms that are attached to it from one position in a chain or ring into a new position.
Industry:Chemistry
C<sub>8</sub>H<sub>9</sub>O<sub>2</sub>N Large monoclinic prisms with a melting point of 169–170_C; soluble in organic solvents such as methanol and ethanol; used in the manufacture of azo dyes and photographic chemicals, and as an analgesic and antipyretic.
Industry:Chemistry
C<sub>8</sub>H<sub>13</sub>O<sub>2</sub>N An alkaloid from the betel nut; an oily, colorless liquid with a boiling point of 209°C; soluble in water, ethanol, and ether; combustible; used as a medicine.
Industry:Chemistry
C<sub>20</sub>H<sub>22</sub>N<sub>2</sub>O<sub>5</sub>(NO<sub>2</sub>)<sub>2</sub> An azoic compound used as a metal indicator in chelometric titrations.
Industry:Chemistry
