Galois field

The relation nomogram of grinder productivity in first stage and dividing class overflow thickness with complement adding water quantity in first stage magnetic cobber,which is studied by Hanwang iron mine,can effectively control concentrating thickness,and its error of accuracy is small than 1%.

韩旺铁矿研制的“一段磨机产量、分级溢流浓度与一段磁选机补加水量关系诺模图”能够有效地控制分选浓度，精度误差不大于１％，满足了生产要求。

OBJEIVE A simple nomogram was construed to estimate the absorption rate coefficient (Ka) using the peak time (tpeak) and the elimination rate coefficient (ke) of drugs administered orally.

方法:根据口服给药的血药浓度-时间曲线曲线方程和t_(peak)、k_a和k_e的函数关系,进行数学推导建立诺模图。

Parametric elasticity graphs and nomograms of 8 flutter derivatives are given and their characteristics analyzed.

提出了颤振导数的“参数弹性”概念;基于复模态理论,计算了平板颤振导数的平板宽度、质量、质量惯矩、竖弯频率、扭转频率和空气密度6种参数弹性;绘制了8个颤振导数的参数弹性曲线和诺模图,分析了各自特点,获得了无量纲参数对颤振导数参数弹性的影响规律。

The nomograph used for determining the main factors has the characteristics of image and suitable,it has the great value to spread using.

实现高产高效矿井的核心问题是建立以工作面为核心的最佳开采体系，合理确定工作面参数是实现这一目标的关键，本论文详细介绍了美国采用诺模图确定工作面主要参数的方法，该方法形象直观，适用性强，具有很高的推广应用价值。

This paper comprehensively analyzes the mathematical model of optimum tubing string for continuous water drainage, the application design programme and the method of Nomograph, and the remarkable incremental effect and economic benefit obtained by the efficient recovery of water yield gas well and the study of gas-water two-phase flow in vertical tube.

本文全面介绍了优选管柱连续排液数学模式与诺模图的应用设计程序与方法，及其在实现产水气井高效开采和研究气水两相垂管流动特征中所取得的显著增产效果和经济效益。

Based on the nomograph by van der Poel, this paper deduces a general formulation with Penetration Index, PI, and the temperature difference between actual value and Softening Point (R&B), ΔT, as variables for the stiffness modulus of asphalt binders using routine test data, through regression analyses.

在范得普诺模图的基础上,以针入度指数PI和实际温度与软化点(环球法)的差ΔT为变量,通过回归分析,推演了基于常规试验数据的沥青劲度模量一般公式表达。

Numerical realization of Francis turbine blade design and wooden patterns;

混流式水轮机叶片设计与木模图的数值实现

0 and the data of wooden patterns,the blade spline modeling is established by NURBS,and the blade space surface is constructed.

0强大的实体化曲面处理能力,从叶片木模图提供的数据出发,采用NURBS方法建立了叶片型面的空间样条曲线模型,由此来构建叶片空间型面。

The traditional wooden patterns used for describing turbine blade could not be used to describe the whole blade and to be introduced into techniques of CAD/CAM,So,a new extending method for free-form surface satisfying tangent plane continuity was presented in the article,and on the basis of powerful capacity of materializing surface of UG NX 4.

利用传统的木模图来表示混流式水轮机叶片时存在表示不完整和无法引入计算机辅助设计和制造的不足,针对这一问题, 本研究提出了自由曲面满足切平面连续的延伸方法,并基于 UG NX 4。