| 词汇 | chemical-reaction |
| 释义 | chemical reaction noun[ C ] uk /ˌkem.ɪ.kəl riˈæk.ʃən/ us /ˌkem.ɪ.kəl riˈæk.ʃən/ a process in which the structure of atoms or molecules that make up a substance are changed化学反应 Physical & chemical processes absorbable absorptive absorptive capacity absorptivity acidification aerate endothermic reaction excitability excitation excite exergonic exothermic impregnate re-emit reabsorb react reboil recondense scald vaporize Examples of chemical reactionchemical reaction As conformational changes occur, or if a chemicalreaction takes place, the time evolution of the properties can be followed. In general, increasing temperature and precipitation increase biological and chemicalreaction rates. It is the 'nonlinear' that is responsible for the chemicalreaction between a performer and her audience. Only for highly overcompressed detonation waves does the influence of the chemicalreaction vanish. Each chemicalreaction requires the presence of some substances in sufficient concentrations and the absence of some other substances. The main argument for this is that in a chemicalreaction, the sulfide ion should be a good nucleophile for the reaction. Non-equilibrium chemical reactions are accounted for by a simple decoupling of the convection and chemicalreaction processes. The change of chemical reactions from in vitro into the biochemical reactions in vivo means that a separate chemicalreaction loses its 'spontaneous' status. The difference between the curves is the energy from the chemicalreaction. The presence of water in excess of that required for chemicalreaction creates minute voids, which propagate crazing and create visual defects. In the case of propagating reaction fronts the exothermic chemicalreaction plays the role of heating from below. If a fast chemicalreaction occurs, the mixing efficiency can be inferred from the formation of product. Other processes such as chemicalreaction and heat or mass transfer have similar dependencies on the residence time distribution. Indeed, spatial and temporal organization is a fundamental property of living systems and of great interest for chemicalreaction systems in general. Of course, contact with another molecule does not yet necessarily trigger a chemicalreaction between the two. See all examples of chemical reaction These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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