A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differential technique is given in this peper.
给出了用有限差分法对金属材料激光相变硬化过程建立的三维数值模型。
A precise calculation of acid dew-point is very important for design of utility boilers, flue gas sulfur removal and tail heating surface transformation.
酸露点是锅炉设计和运行中重要参数之一，目前国内外计算烟气酸露点方法很多，但是不同方法计算结果差异较大。
Aimed at particle swarm optimization (PSO) algorithm being easily trapped into local minima value in multimodal function, a rotating surface transformation (RST) method was proposed.
针对粒子群优化算法(PSO)应用于多极值点函数易陷入局部极小值，提出旋转曲面变换(RST)方法。
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