- 行业: Printing & publishing
- Number of terms: 178089
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- 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.
Any compound of boron and carbon, especially B<sub>4</sub>C (used as an abrasive, alloying agent, and neutron absorber).
Industry:Chemistry
Any compound of boron and carbon, especially B<sub>4</sub>C (used as an abrasive, alloying agent, and neutron absorber).
Industry:Chemistry
BF<sub>3</sub> A colorless pungent gas in a dry atmosphere; used in industry as an acidic catalyst for polymerizations, esterifications, and alkylations. Also known as boron trifluoride.
Industry:Chemistry
B<sub>2</sub>O<sub>3</sub> A trioxide of boron obtained as rhombic crystals melting at 460_C; used as an intermediate in the production of boron halides and metallic borides and as a thermal neutron absorber in nuclear engineering. Also known as boron oxide.
Industry:Chemistry
CO A farbloses, geruchloses Gas durch die unvollständige Verbrennung von Kohlenstoff; gefunden Sie, z. B. im Bergbau und Auto Auspuff; giftig für Tiere.
Industry:Chemistry
Gas incoloro e inodoro CO A resultante de la oxidación incompleta del carbono; descubrieron, por ejemplo, en minas y escape del automóvil; a los animales venenosos.
Industry:Chemistry
CO A colorless, odorless gas resulting from the incomplete oxidation of carbon; found, for example, in mines and automobile exhaust; poisonous to animals.
Industry:Chemistry
A device for measuring molecular weights by measuring the osmotic pressure exerted by solvent molecules diffusing through a semipermeable membrane.
Industry:Chemistry
The slow electrolytic generation of a soluble species which is capable of reacting quantitatively with the substance sought; some independent property must be observed to establish the equivalence point in the reaction.
Industry:Chemistry
1. Measure of the clarity of an otherwise clear liquid by using colorimetric scales. 2. Cloudy or hazy appearance in a naturally clear liquid caused by a suspension of colloidal liquid droplets or fine solids.
Industry:Chemistry
