开尔文-普朗克表述 Kelvin- Planck statement 不可能从单一热源取热,并使之完全 转变为有用功而不产生其它影响 It is impossible for any device that operates on a cycle to receive heat from a single reservoir and produce a net amount of work.开尔文－普朗克表述 不可能从单一热源取热，并使之完全 转变为有用功而不产生其它影响。 Kelvin－Planck Statement It is impossible for any device that operates on a cycle to receive heat from a single reservoir and produce a net amount of work