Many remarkable properties of graphene are derived from its large energy window for Dirac-like electronic states and hav......

The sonic propagation velocity in rock mass is a good kind of information to reflecting the synthetical physical propert......

In order to overcome the existing disadvantages of offline laser shock peening detection methods, an online detection me......

This paper considers the inverse acoustic wave scattering by a bounded penetra-ble obstacle with a conductive boundary c......

In this paper, a modified Rayleigh-Lamb equation is derived that takes into account the radial vibrations of a gas bubbl......

兰州炼油化工总厂动力厂的ＨＧ７５／３９－４型燃油锅炉于１９９７年大修时，对除灰系统进行了改造，新安装了声波与燃气脉冲除灰系统，锅炉的高温段过热器，省煤器部......