查询词典 position parameter

Keywords polychlorinated diphenyl ether;density functional theory;position of Cl atom substitu-tion;structural parameter;thermodynamic property;relative stability

多氯联苯醚；密度泛函理论；氯原子取代位置；结构参数；热力学性质；相对稳定性

At the same time, the speed of diesel engine, the control rod travel of accelerator and its change rate are chosen as input parameters, the current position of step motor's rotor is chosen as the feedback parameter.

考虑到控制系统结构的简化及控制的可靠性，电控系统的控制策略确定为以柴油机转速、油门位置及油门变化率作为输入参数，同时以步进电机实际运行位置作为反馈参数的开环控制方式。

On the basis of summarizing separation method of acetic acid-water system, we studied the azeotropic distillation process of acetic acid-water system, selecting butyl acetate, isobutyl acetate and isopropyl acetate as entrainers. The influence of packing height, ratio of water to entrainer and acetic acid initial concentration to separation effect of azeotropic distillation was studied in detail. Simulation calculations of general distillation and azeotropic distillation were carried out. The influence of reflux ratio, theoretical plate, feed position, feed temperature and feed concentration to distillation process were discussed. Preferred process operation parameter, which had guiding meaning to practical production of distillation process were obtained. Basic data for the process amplifying design of azeotropic distillation tower were provided. Invest and operation energy consumption of two distillation methods were compared. The elementary technical design of azeotropic distillation tower was carried out on the basis of result of simulation calculation. The type of major auxiliary equipments and inner parts of packed tower were selected.The research results are as follows:(1) Butyl acetate, isobutyl acetate and isopropyl acetate could be selected as entrainer, and separation effect was near.

本文在综述醋酸-水体系分离方法的基础上，以醋酸丁酯、醋酸异丁酯、醋酸异丙酯为挟带剂，对醋酸水溶液进行共沸精馏过程研究，详细研究了填料高度、水与挟带剂的配比、醋酸初始浓度等对共沸精馏分离效果的影响；对醋酸-水体系进行普通精馏和共沸精馏过程模拟计算，讨论了回流比、理论板、进料位置、进料温度和浓度对精馏过程的影响，获得了对醋酸-水体系精馏过程实际生产具有指导意义的较佳的工艺操作参数、共沸精馏塔的工艺设计放大的基础数据，并对两种精馏方法的投资、操作能耗进行了比较；同时在共沸精馏模拟计算的基础上进行了共沸精馏塔的初步工艺设计计算，并对填料塔的主要辅助设备及塔内件进行了初步选型。

In order to improve the condition of guide device of 3 500 mm finish mill and reduce the failure rate,a series measures were adopted: ameliorating hanging position of the guard plate,optimizing occlusal surface parameter of the uide wien guard tlate,altering guard plate location mode when changing roll,redesigning the bottom of guard sheet.

为改善3 500 mm精轧机导卫装置设备状况，减少故障，改进了护板吊挂方式，优化了导板与护板咬合面参数，改变了换辊时护板定位方式，重新设计了护板底部形状，消除了安全隐患，满足了高质量快节奏生产的要求。

Based on the processed accessory, the number, the position and the machining data of the holes and the form of the principal axis are determined; The driving way of the headstocks are drawn, the power is transmits by the methods of optimization, the driving parameter are determined, the structure of the principal axis are designed and the strength of the parts, such as the gears and the bears, are checked.

根据被加工零件确定加工孔的数量、位置、切削用量及主轴类型，拟订了主轴箱的传动方式，应用最优化方法传递功率，削减振动，确定传动参数，设计轴的结构，进行如齿轮、轴承等相关零件的强度校核计算。

Based on the detailed analyzing of impact system working process, the differential eguation of the system was got, and the mathematical model of the hydraulic impact system was builted, on basis of the mathematical model, By using of dynamic simulation function of Matlab ,the author has built the simulation model of the impact system based on software Simulink and run it after inputting the parameter ,the dynamic graph curve of impact velocity and presser of oil and position of knife rest were got, and the dynamic characteristic of impact system was analyzed,the simulated results are accorded with the fact,and some rational parameters can be found.

在对冲击式采煤机液压冲击系统工作过程进行详细分析的基础上，运用微分方程建模方法，建立了液压冲击系统的数学模型即系统的动态方程，并在该数学模型的基础上，采用Matlab中的Simulink动态仿真功能，建立了基于Simulink的冲击系统仿真模型，通过给定冲击式采煤机冲击系统的相关参数，对该系统进行仿真，得到了冲击式采煤机工作过程中冲击速度和油液压力以及刀架位移的变化曲线，进而对冲击系统的动态特性进行了分析，结果与实际情况较为吻合，并由此得出某些合理的参数。

Default 1 Unit - Symbol Equation Function RandomNumberIni Parameter that initiates the randomiser for determining the random mid position for a certain plant.

默认值 1 单位-符号方程式作用 RandomNumberIni 初始随机数的参数，用于确定某植被的随机中点位置。

The poled polymer film has it's important position on nonlinear optic (such as harmonic generate, optical parameter oscillator) for it's high nonlinear, high damage threshold with quasi phase matching technology.

而极化高分子膜则更进一步克服了一般有机材料不易晶体化等缺点，结合准相位匹配技术，使得它在光学非线性领域（如光学倍频、参量振荡等）有着重要的一席之地。

In the application of the stimulus-response method, the sampling position on the column, the algorithms proposed for parameter evaluation and the effect of measurement error are discussed in detail.

文中具体讨论了取样位置，数值解法及测量误差对参数估值的影响。

Position accuracy of star is an important parameter of star sensor's performance,and it is restricted by the aberrations of the optical system.

光学系统星点定位精度是表征星敏感器性能的一个重要指标，像差对该精度有一定影响。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。