查询词典 relation curve

Experiments of flow conductivity closure stress of typical propping agent are done, propping agent short-term flow conductivity alteration index is defined, by this, the relation between fissure short-term flow conductivity and closure stress, it is close to exponential relation. 4. Establishing the mathematical simulator of hydraulic fractured well's production in a steady state, finding the relation curve between dimensionless flow conductivity and fracture penetration coefficient by means of calculation and analyses, it is the basis of hydraulic fracture. 5. Expatiating the importance of optimized hydraulic fracturing design in reservoir engineering, advancing the optimizing design method, fracture dimension can be calculated easily when the physical parameters are known. 6. Production rate decline standard curve of vertical fractured wells is achieved by mathematical simulation, when the flow pressure is certain , by asymptotic analyze, this decline curve is close to exponential relation.

完成了国内外典型支撑剂的导流能力闭合应力影响实验，在数据分析中定义了支撑剂短期导流能力变异系数，并由此发现裂缝短期导流能力随闭合应力变化的近似符合指数关系式； 4 建立了一种水力压裂井稳态产能的数学模拟器，计算分析找到了最优无量纲导流能力与裂缝穿透比之间的新型关系曲线，它是水力压裂优化设计的基础； 5 阐述了水力压裂油藏工程优化设计的重要性，提出了优化设计方法，在已知支撑剂物性参数条件下可简洁计算最优裂缝尺寸； 6 数学模拟给出了垂直裂缝井产量递减标准曲线，在井底定压条件下通过渐近分析表明，该递减曲线满足指数关系式。

The foundation of this system provides a good reference to promote the standardization and intelligence of the overhaul and maintenance of vacuum switches. This paper develops a special HF pulse power supply for internal pressure estimation, which achieves the output of HF-HV sinusoidal pulse wave whose frequency and amplitude can be modified respectively, and meets the design requirements according to the results of Simulink simulation and practical experiments. With the help of AT89S52, this paper designs an I~2C serial bus based signal detection system for peak value signal acquisition of HF pulse currents, which communicates with the upper computer by asynchronous serial communication for uploading the data. In the upper computer, a human computer interface is developed by Matlab software, whose functions are to do some computation and graphic display, such as calibrating the relation curve of vacuum degree and peak value of HF pulse currents, vacuum degree computation, and vacuum lifetime evaluation analysis basing on grey forecasting model as well as making relative suggestions.

本文研制了用于真空度检测的高频脉冲电源，通过Simulink仿真和试验检验其满足设计要求，实现了电压幅值和频率独立可调的正弦波高频高压脉冲输出；利用以AT89S52为核心基于I~2C串行总线的信号检测系统实现高频脉冲电流峰值信号的采集，通过异步串行通信实现单片机与计算机之间的数据通信，将检测数据传至上位机；在上位机利用Matlab开发人机交互界面，实现相关数据处理和图形显示，包括真空度——高频脉冲电流峰值关系曲线标定、真空度数值计算、基于灰色预测模型的真空寿命评估分析和提出相应决策建议。

This paper discusses the automatic test method of the assorted clearances existing in the wheel hub and the master pin, this method is realized to analysis the relation curve between the displacement and the driving power of the running wheel drived by the bearing bedplate.

本文探讨了轮毂轴承及主销的配合间隙的自动检测方法，该方法是通过分析车轮在支承台板的带动下，产生运动时的位移和驱动力关系特征曲线实现的。

Similarly there emerges a new branch of dispersion relation curve in the original frequency gap.

首先简要概述了极性晶体中的极化激元的基本特性，它的研究历史和现状。

By means of a linear array CCD lightintensity distribution measuring system, via the variation of the frequency and the power of ultrasonic wave, the direction control and the intensity modulation for the laser beam can be carried out. The relation curve between acoustooptic deflexion and modulation measurement is given.

在实验中，应用线阵CCD光强分布测量仪等，通过改变超声波的频率和功率，分别实现了对激光束方向的控制和强度的调制；定量给出了声光偏转量的关系曲线和声光调制测量的关系曲线。

Based on theoretic research, rotary-ditch machine is produced and orthogonal test is carried out in the farm. By variance and extreme deviation analysis on the test result, all the influence factors on ditcher casting performance are gained, superior level and optimum combination are found out, relation curve of performance target along with factor change is provided.

在理论研究的基础上，设计并制作开沟部件，在田间对其进行了正交试验，对试验结果进行极差分析和方差分析，得出各因素对开沟抛土性能的影响，找出各因素的较优水平和最优组合，并给出性能指标随各因素变化的关系曲线。

The resulting curve breaks into two approximately straight lines. By purely empirical curve fitting method we obtain two straightline equations. Secondly, the recurrence interval and"rain-strength" relation curve on logarithmic paper will also br...

而在对数坐标轴内，频率和雨力的关系曲线，也分裂为二，分别用二次曲线和直线来配合，综合而成均方差很小的上海暴雨公式，以供市政规划设计的应用。

The second is to measure the relation curve of heat load and cooling temperature under the condition of optimized orifice setting.

在实验过程中，还发现了对双向进气阀门的调节可获得两个制冷温度极值的现象。

The relation curve between the load and stroke,the distribution rules of stress, strain and temperature have been obtained.

模拟结果表明，在工件挤压温度为730℃和模具预热温度为400℃时，挤压速度范围是70mm／s～80minis。

Take Chongqing for example,the relation between each compositive index and load is analyzed,and the relation curve of power load and compositive index in observation year is also drawn.

以重庆市区为例，分析了各综合指数与负荷的关系，并绘制出观测年内的电力负荷与综合指数的关系曲线。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。