| 释义 |
diphenyl
di·phen·yl D0237400 (dī-fĕn′əl, -fē′nəl)n. See biphenyl.diphenyl (daɪˈfiːnaɪl; -nɪl; -ˈfɛnɪl) n (Elements & Compounds) another name for biphenylbi•phen•yl (baɪˈfɛn l, -ˈfin l)
n. a water-insoluble powder, C12H10, from which benzidine dyes are derived: used chiefly as a heat-transfer agent and in organic synthesis. [1920–25] diphenyl
diphenyl[dī′fen·əl] (organic chemistry) biphenyl diphenyl
biphenyl [bi-fen´il] diphenyl.polybrominated biphenyl (PBB) any of various brominated derivatives of biphenyl; uses and toxic hazards are similar to those of polychlorinated biphenyls. They typically are deposited in body fat stores and are rarely mobilized except through lactation.polychlorinated biphenyl (PCB) any of various chlorinated derivatives of biphenyl, toxic and carcinogenic nonbiodegradable compounds used as heat-transfer agents and electrical insulators; they are readily absorbed from the gastrointestinal tract, and those with a lower percentage of chlorine are associated with a higher toxicity but are more readily excreted.di·phen·yl (dī-fen'il), Colorless liquid; used as heat transfer agent, frequently as polychlorinated biphenyls (PCBs); as fungistat for oranges (applied to inside of shipping container or wrappers); and in organic syntheses. Produces convulsions and central nervous system depression. Synonym(s): biphenyl, phenylbenzenedi·phen·yl (dī-fen'il) Colorless liquid that is used as a heat transfer agent, frequently as a polychlorinated biphenyl (PCB); used as fungistat for oranges and in organic syntheses. Produces convulsions and central nervous system depression.
Synonym(s): biphenyl, phenylbenzene. |