1. Distorsion,corrosion,erosion and abrasion mechanisms,concerning the faulty section,of the boiler s secondary superheater were studied by on-site measurements and by samples,cut from the tubes.
   分别采取现场实测和割管取样2种方法对锅炉二次过热器的变形、腐蚀、冲刷与磨损等主要失效机理进行了分析,并由此得出预防管子失效的对策。
2. This paper shows that under certain conditons it is possible to diminish and even eliminate the nonlinear distorsion of a peak envelope detector by biasing the diode adequately.
   本文对一般所谓惰性失真和切削失真同时分析讨论而获得统一公式,并且发现对二极管加适当的正偏压可以减小或消除失真。

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