Abstract: Fracture properties of cement paste at an early age are difficult to determine using conventional methods because of its low strength. By using an indentation technique, this paper reported a fracture test method for ...

Abstract: his study deals with the physical properties and 3D structures of the wave motions with finite wavelengths of O(100?550) km in the tropical western North Pacific and their variation as propagating from the Pacific to the ...

Abstract: ignal detection from noisy data by rejecting a noise null hypothesis depends critically on a priori assumptions regarding the background noise and the associated statistical methods. Rejecting one kind of noise null ...