- 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.
C<sub>6</sub>H<sub>5</sub>_ A functional group consisting of a benzene ring from which a hydrogen has been removed.
Industry:Chemistry
ROP(OH)<sub>2</sub>, where R is an organic radical such as C<sub>6</sub>H<sub>5</sub>sw, as in phenylphosphonic acid.
Industry:Chemistry
H<sub>3</sub>PO<sub>4</sub> Water-soluble, transparent crystals, melting at 42_C; used as a fertilizer, in soft drinks and flavor syrups, pharmaceuticals, water treatment, and animal feeds and to pickle and rust-proof metals. Also known as orthophosphoric acid.
Industry:Chemistry
CH<sub>3</sub>CH<sub>2</sub>CH<sub>3</sub> A heavy, colorless, gaseous petroleum hydrocarbon gas of the paraffin series; boils at_44.5_C; used as a solvent, refrigerant, and chemical intermediate.
Industry:Chemistry
C<sub>6</sub>H<sub>4</sub>(OH)COOH White crystals with sweetish taste; soluble in alcohol, acetone, ether, benzene, and turpentine, slightly soluble in water; discolored by light; melts at 158_C; used as a chemical intermediate and in medicine, dyes, perfumes, and preservatives.
Industry:Chemistry
CO<sub>2</sub>H(CH<sub>2</sub>)<sub>2</sub>CO<sub>2</sub>H Water-soluble, colorless crystals with an acid taste; melts at 185_C; used as a chemical intermediate, in medicine, and to make perfume esters.
Industry:Chemistry
Paraugu materiāls pārbaudīts vai kas tiek analizēta sagatavoti no parauga bruto un saglabā tās sastāvu.
Industry:Chemistry
Tāda veida hromatogrāfijas nodarbina šķidrumu kā kustīgo fāzi un cietu vai šķidrumu uz stabilu atbalstu kā stacionāro fāzi; metodes ietver kolonnu hromatogrāfijai, gel caursūkšanās hromatogrāfiju un nodalījumu hromatogrāfiju.
Industry:Chemistry
Ierīci zināmo sastāvdaļu salīdzinājumā ar krāsas daži risinājumi zināmas šī komponenta koncentrācijas šķīdumā koncentrācijas mērīšanai. Pazīstams arī kā chromometer.
Industry:Chemistry
Kvalitatīvo vai kvantitatīvo analīzi, ķīmisko vielu, kas atrodas ordeņa gramu daudzumu.
Industry:Chemistry
