| 词汇 | reactant |
| 释义 | reactant noun[ C ] chemistry specializeduk /riˈæk.tənt/ us /riˈæk.tənt/ a substance that is part of a chemical reaction（化学反应中的）反应体，反应物 Chemistry: types of chemical acid salt aerogel albumin alkali metal alkaline alkaloid antioxidant carbohydrate homologous series inorganic isopropanol ketone lectin melamine monosaccharide mothball propellant saline soluble weak base reactant | American Dictionaryreactant noun[ C ] us/riˈæk·tənt/ chemistry a chemical substance that reacts with another Examples of reactantreactant These have included male infants younger than 1 year of age; prolonged or recurred fever; and elevated acute phase reactants. In polyarthropathies, elevated acute phase reactants are again not diagnostic but are useful for assessing response to therapy. These could also have acted as concentrating agents for the reactants in the aqueous ambient. We argue that the dynamics of all these reactions hinge largely on the intersections of the potential energy surfaces of the reactant and product states. Here the mixing of the reactants is solely determined by the turbulence - turbulence interactions. The simplified equation for the average streamwise turbulent reactant transport possesses two limiting cases-the limits of small and large turbulence scales. It can change rates of reactions in which the transition state has a different extension than reactant or product. This is because the exsolved fluid phases are responsible for the transfer of reactants from the chamber into the wall rock. Furthermore, the concentrations of reactants at the microscopic scale may be enhanced at the freezing interface and dramatic acceleration of reaction rates can occur. With equal anomaly exponents an exact formula for the anomalous critical value of reactants diffusion coefficients' ratio is obtained. Molecules collide and react with each other to form products that can transform back into the initial reactant species. The time-dependent electrostatic contributions to the energies of the reactant and product states in the proton-transfer step catalyzed by lysozyme. In the direction of gas flow down the channel, both gas and wall temperature continue to increase until all of the reactants have been consumed. The location of the reaction zone is determined by the induction time of the reactants passing through the lead shock. Force can change the equilibrium and the rate of any reaction in which the product has a different extension from the reactant. 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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