| 单词 | reactant |
| 释义 | reactant, n. (a.) Chem.|riːˈæktənt|
[f. react v.1 + -ant1.]
A reacting substance or species. Also attrib. or as adj.
1928Chem. Rev. V. 67 In hydrogenation there is an optimum ratio to the partial pressures of the reactants. 1936T. J. Webb Elem. Princ. Physical Chem. viii. 253 In general the rate of a given reaction depends upon the instantaneous concentration of the reactants. 1948Ann. Rep. Progr. Chem. XLV. 10 The immediate consequence of absorption of some of the energy of the incident radiation is the conversion of the absorbing reactant molecule into the product. 1950Sci. News XV. 65 Once a layer of oxide has formed, subsequent reaction must take place by the reactants..diffusing through it. 1971Jrnl. Oil & Colour Chemists' Assoc. LIV. 849 The necessary reactants, ammonia and sulphur dioxide, appeared to be absorbed from the atmosphere by droplets of water condensed on the paint surface. 1973J. G. Tweeddale Materials Technol. II. ii. 23 With the majority of materials suitable for melting and freeze casting, gases such as oxygen, hydrogen and nitrogen..are much more soluble in, or reactant to, the liquid state of a material than they are to the solid state. |
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