This paper presents a new method to determine the stability limit of machine tool chatter with the change of probability of the acceleration signal amplitude distributed in a certain range on the basis of the study of the change of the acceleration signal probability density function from the stable cutting to instable cutting.
在研究切削过程从平稳到失稳的过程中振动加速度信号的概率密度函数变化的基础上，提出利用加速度信号的幅值分布在某一指定区间上概率值的变化来确定机床稳定性极限的方法。
Study on Stability of Neutral Potassium Permanganate Liquid;
中性高锰酸钾溶液稳定性研究
Study on dispersion stability of nano-colloid system;
纳米胶体体系的分散稳定性研究
The stability of hydrocolloids and salts on fruit juice milk;
亲水性胶体和盐类在果汁牛奶中的稳定作用
Study report on technology of clarification and stabilization of seabuckthorn ferment wine;
沙棘发酵酒的澄清与稳定工艺研究
Preparation, Application and Developing Trend of Urea Peroxide of Stabilization and High-active Oxygen;
稳定、高活性氧含量的过氧化尿素的制备、应用及发展前景
On the stabilization and information work in universities;
浅谈高校稳定与信息工作
Conditions of steady produce in succession with Chinese built plane optical instrument;
国产光学设备平面高效连续稳定生产的条件
Under the situation of raw material's quality not being guaranteed in 4# blast furnace of Han Steel,its steady condition and smooth running and high-efficiency production are realized with operation parameters being continuously optimized and low-silicon smelting adopted,and its highest operating rate reaches 2.
邯钢4#高炉在原料不太好的情况下,在确保炉况稳定顺行的基础上,不断优化操作参数并实施低硅冶炼,高炉利用系数最高达到2。
Connected with Changzhi 110 kV Network,it calculated tidal?steady and short circuit currents and evaluate present condition and development of Changzhi power network.
以山西主网 2 0 0 1年度运行方式为基础 ,嵌入长治 1 1 0 k V电网 ,进行电网潮流、稳定、短路电流等计算 ,对长治电网现状与发展进行评
The stability of the two numerical schemes:the mean-square stability,A-stability,is studied on the basis of the two types of test equations of stochastic differential equations.
给出了求解随机微分方程的2种数值方法:有限差分法和向后Milstein法,基于随机微分方程的试验方程分析讨论了2种数值方法的均方稳定性和A-稳定性,得到了相应的稳定性条件和稳定域。
The nonlinear wave equation is explored,a linearly implicit Predictor-Corrector(PC) method which is confirmed two-order accuracy,L-stability and A-stability is proposed.
对一维非线性波动方程的数值解法进行了研究,提出了一种可达二阶精度,并保持L-稳定、A-稳定的预测-校正格式,并在此基础上提出了求解该问题的预测-校正多重网格算法(PC-MG法),加快了迭代收敛速度,大大提高了求解效率,数值实验结果证明了该方法的精确性和可靠性。