maximum dimensions
1.The maximum laser outpu t of a NAB rod with dimensions of 3. 2mm X 23. 7mm was 422mJ a pulse when it was pumped with a single xenon flashlamp.
2.On the basis of considering all round the relationship between extreme value and maximum value of pressure angle α, a curve,which shows that the pressure angle α max , varices with the initial angle ψ 0 and centre distance a, has been found, thus a kind of method for determining the initial angle of oscillating rod according to the least maximum pressure angle and a further determination of other basic dimensions has also been found.
3.The Buckingham equation expresses the relationship between laminar flow velocity and resistance of the Bingham fluid. The Soviet scholar proposed an approximate formula for calculating flow resistance, based on which the maximum deviation relative to the exact solution was 6.7%. In this paper, with the mathematical analysis and three-dimensions optimization, and the change of the parameter of the approximate formula, the deviation is decreased to a great extent.
4.It is thought as maximum reliable transfer rate of communication model that watermark capacity is researched in fixed channel while carrier is presented. Two scenarios are deeply analyzed with attack behavior or not. Under conditions with embedding and attacking restriction in Euclidean measurement,the relationship between quantity division of n-dimensions nodes and watermark capacity is obtained.
