Research and use of multigroup positive-negative arcs profiled unit 连续多组正反弧压型机组的研究与应用
A positive-negative flotation process was used for magnesium-bearing phosphorous rock of Shimen Mine with better economical and technical indexes. 选矿技术经济指标不过关是影响石门磷矿开发利用的重要原因之一。
EF2300 model multi-functional curved surface positive-negative pressure machine can finnly adhere solid-woodveneer, heat transfer-printing film, decorative paper and PVC film on all kinds of material. EF2300型多功能曲面正负压机,能够牢固地贴覆实木单板、压克力热转印膜、装饰纸、PVC膜于各种材料上。
Based on the traditional slippage correlation acquisition, adding an external circuit for reference makes the positive-negative maximum of the merit of correlation. 在传统滑动相关捕获算法基础上,增加一条参考支路,使相关曲线出现正负双峰值。
Defect mode in positive-negative index photonic crystal with negative refractive index structural defect 含负折射率缺陷的正负交替光子晶体的缺陷模陷入固定模式,墨守成规
Nursing Experience in the Treatment of Herbal Fumigation and Positive-negative Pressure for Lower Limb Deep Venous Thrombosis 中药熏洗配合正负压治疗下肢深静脉血栓形成的护理
Defect mode of doped one-dimensional photonic crystal with positive-negative index alternant multilayer 正负交替一维掺杂光子晶体缺陷模的特性
In this paper the importance of stress positive-negative regularity on tilt section in plane problem of mechanics of elasticity is introduced and the regularity is proved. 介绍了弹性力学平面问题中斜截面上应力的正负规定的重要性及其对该规定的论证;
Experiment of a One-Dimensional Photonic Crystal of Photorefractive Including Positive-Negative Refractive Index 一维光折变光子晶体正负折射率的实验实现
Optimization of Positive-Negative Phase Objects in 4/ Coherent Imaging System for Nonlinear Refraction Index Measurements 测量三阶非线性折射率的4f相位相干成像技术中正负相位物体的优化
Folding camera ( with bellows) Experiment of a One-Dimensional Photonic Crystal of Photorefractive Including Positive-Negative Refractive Index 光折合式照相机(带折箱)一维光折变光子晶体正负折射率的实验实现
The effect of electrostatic force of the drive voltage on the accelerometer had been researched when the bias voltage polarity is positive-negative configuration. 前人在研究驱动信号对传感器的静电力效应时,用偏置电压极性为正&负配置的驱动信号进行研究。
A numerical control precise plotter using positive-negative method was designed and built. 利用正负法直接产生平面曲线的数学方法作数学模型,用数字逻辑电路组成正负法精密数控绘图机。
Based on the equivalent covering, the necessary and sufficient condition for different covering to generate the same positive-negative region covering generalized rough sets is given. 通过引进覆盖等价的概念,给出了给定论域上任意集在不同覆盖下具有相同正负域覆盖广义粗集的充要条件。
The control method of electric machine positive-negative rotating and "Y-△" starting in electrics experiment are studied by means of relay-contactor control and PLC control. 对电工学课程实验中的电机正反转控制和Y-△启动控制,分别用接触器控制和PLC的计时器控制,并对两种方法进行了对比研究;
Drawing the Curve of Implicit Function ard Calculation using Positive-Negative Algorithm 利用正负法绘制隐函数曲线及运算
For NC machining of plane section method, the machining path of tool cutting plane and implicit surface can be found, and the curve of the tool path is drawn by the positive-negative method. 把隐函数的优势应用到数控加工编程中,即对于截面法的数控加工,求出刀具切削平面与隐函数曲面的加工轨迹,再用正负法绘制刀具轨迹曲线。
The Decision of Positive-Negative Action for Controller in Control System 控制系统中调节器正反作用的判定
Through the method of Psychology, the study probed into the relationship between job satisfaction and positive-negative affect ( PA-NA) in the Chinese culture. 本研究则采用心理科学研究的规范和方法,在中国文化背景下,从人格维度和工作维度同时出发,探讨工作满意度与积极-消极情感的关系。
To provide a simple and effective way to generate real random numbers, by analyzing the statistical character of environmental noises, congruence method and positive-negative method are proposed to process the data of sound waves. 为了提供一种简便和有效的真随机数生成方法,通过分析环境噪声数据的统计特性,提出同余法和正负法将声音波形数据进行处理。
In this paper, the mechanical model of positive-negative formation for revolving shell is analyzed, the classification method is given according to the stress yield criterion. 本文分析了回转壳体正负成形的力学模型,基于应力屈服条件对回转壳体的变形进行了分类;
Design a new method to obtain pulse amplitude in real time pulse processing, realize the single parameter amplitude analysis of positive-negative double polarity pulse, realize real time display of double 2048 channels spectrum. 在实时脉冲信号获取处理上,设计了新的脉冲幅度提取方法,实现了对正负双极性脉冲的单参数幅度分析,实现了双2048道谱数据的实时显示。
The article analyzes the frequency characteristics of RC series parallel circuits and the symmetrical circuits, through studying the effectiveness of the positive-negative feedback to the amplifier. 从正、负反馈对放大器性能影响出发,分析RC串、并联电路及其对偶电路的频率特性。
On the positive-negative sequence modification method of automatic partitioning blocks in elasto-plastic finite element analysis 弹塑性有限元分析的自动分块顺序&逆序修正法
Some policies and proposals were put forward for the safety of national industries based on the positive analysis of the positive-negative effects of absorbing foreign capital in the reform and opening to the outside world for twenty years. 通过对中国对外开放二十年中吸收外资的动因和正负效应的实证分析,提出我国民族产业所面临的安全问题;
Its advantages are to keep the matrices structure and positive-negative eigenvalues in pair. 这样做的好处是保持了矩阵的特殊结构和特征值的正负成对出现,实际计算中只需计算其中的非负特征值即可,减少了计算量。
The compound technology of shell sinking-bulging ( positive-negative forming) is analyzed, the stress equilibrium equation deduced, and the formula calculating the stress field given. 分析了回转壳体复合缩径&胀形(正负成形)工艺,推导出变形区的应力平衡方程,给出了应力场的求解公式。
Strong radar echoes and positive-negative velocity and head wind area are indicative to the heavy rainfall event. 强雷达回波和正负速度对、逆风区等特征对强降水具有指示意义。
Part ⅰ: Network positive-negative effect on the university education in ideology and politics. 第一部分:网络对高校思想政治教育的正负效应。
In order to maintain the DC bus voltage stability, using resonance characteristics of notch filter, the positive-negative sequence dual current control strategy with notch filter in DC voltage is proposed. 为了维持直流母线电压稳定,结合陷波器的谐振特性,提出了直流电压带陷波器的正负序双电流环控制策略。