The way of producing needle-shaped wolldstonite pow-der has never been released, the key to the matter is to get high enough length to -width ratio of the particle. With φ 50 mm horizontal disk type jet mill,rue carr...The way of producing needle-shaped wolldstonite pow-der has never been released, the key to the matter is to get high enough length to -width ratio of the particle. With φ 50 mm horizontal disk type jet mill,rue carry out a series of experiments, and discover that select-ing reasonable technological operating condition, with the aim of weak-ening colliding pulverizing effect and reinforcing rubbing pulverizing effect, is helpful to improve effectively the L-W radio.展开更多
In the present paper, we deal with the complex Szasz-Durrmeyer operators and study Voronovskaja type results with quantitative estimates for these operators attached to analytic functions of exponential growth on comp...In the present paper, we deal with the complex Szasz-Durrmeyer operators and study Voronovskaja type results with quantitative estimates for these operators attached to analytic functions of exponential growth on compact disks. Also, the exact order of approximation is found.展开更多
In this paper, we deal with the complex Baskakov-Szasz-Durrmeyer mixed operators and study Voronovskaja type results with quantitative estimates for these operators attached to analytic functions of exponential growth...In this paper, we deal with the complex Baskakov-Szasz-Durrmeyer mixed operators and study Voronovskaja type results with quantitative estimates for these operators attached to analytic functions of exponential growth in DR = {z ∈ C; ｜z｜ 〈 R}. Also, the exact order of approximation is found. The method used allows to construct complex Szasz-type and Baskakov-type approximation operators without involving the values on [0,∞）.展开更多
文摘The way of producing needle-shaped wolldstonite pow-der has never been released, the key to the matter is to get high enough length to -width ratio of the particle. With φ 50 mm horizontal disk type jet mill,rue carry out a series of experiments, and discover that select-ing reasonable technological operating condition, with the aim of weak-ening colliding pulverizing effect and reinforcing rubbing pulverizing effect, is helpful to improve effectively the L-W radio.
文摘In the present paper, we deal with the complex Szasz-Durrmeyer operators and study Voronovskaja type results with quantitative estimates for these operators attached to analytic functions of exponential growth on compact disks. Also, the exact order of approximation is found.
文摘In this paper, we deal with the complex Baskakov-Szasz-Durrmeyer mixed operators and study Voronovskaja type results with quantitative estimates for these operators attached to analytic functions of exponential growth in DR = {z ∈ C; ｜z｜ 〈 R}. Also, the exact order of approximation is found. The method used allows to construct complex Szasz-type and Baskakov-type approximation operators without involving the values on [0,∞）.
