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单词 mechanism
释义
mechanism

Chemistry
  • The way in which a particular chemical reaction occurs, described in terms of the steps involved. For example, the hydrolysis of an alkyl chloride proceeds by the SN1 mechanism (see nucleophilic substitution).


Chemical Engineering
  • 1. A description of the steps that are involved when a chemical reaction takes place. It includes the reactants and describes the steps that result in products as well as any intermediates.

    2. The workings of a mechanical device.


Philosophy
  • The belief that everything can be explained in ways modelled on 17th-century conceptions of scientific explanation. This took its paradigm from the quantitative laws governing the interactions of particles, in terms of which the other properties of materials could ultimately be understood (see atomism, corpuscularianism, Galilean world view). Mechanism in biology is the view that animals are to be regarded as material systems, and it is as a result hostile to final causes or teleology. Modern physicalism has a more sophisticated conception both of scientific explanation, and of the possibility of reconciling it with teleological explanation, thought of as founded on a basis of natural selection.


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