单词	protonate
释义	protonate /ˈprəʊt(ə)neɪt / verb [with object] Chemistry Transfer a proton to (a molecule, group, or atom) which forms a coordinate bond to the proton: (as adjective protonated) the acid environment favours conversion of these anions to their protonated uncharged form... In the second basic photocycle step, the chromophore is protonated and structural changes take place in the protein. All aspartic acid and glutamic acid residues as well as C-terminal groups were deprotonated; arginine, lysine, and N-terminal groups were protonated. We postulate that this pathway is blocked when both groups are protonated (state A) or deprotonated (state C). Derivatives protonation noun ... This reaction is initiated by the electrophilic protonation of isobutylene. These reactions, some of which are run on a large scale in the petroleum industry, are initiated by the protonation of saturated hydrocarbons. The protonation of amino acid side chains was supposed to cause the reorganization of the native state into the so-called A-state.
随便看	PBX p.c. p/c PC PCA PCAS PCB PC card P-Celt P-Celtic PCI PCM PCMCIA PC mod PCN PCNA p-code PCOS PCP PC Plod PCR PCS PCSO PCT pct.

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。