40年前,人们曾认为核动力作为一种主要能源的利用前景将是无限的。船舶推进、电力生产和工业供热是人们非常感兴趣的应用,并为发展核技术的和平利用进行了巨大投资。对于商用船舶推进来说,核技术被证明是能满足需要的,但也出现了一些困 Forty years ago, the prospect of using nuclear power as a major source of energy was thought to be endless. Ship propulsion, electricity production and industrial heating are very interesting applications and have invested heavily in the peaceful uses of nuclear technology. Nuclear technology proved to be adequate for commercial ship propulsion, but some difficulties have also emerged