参数曲线

MethodsThe resin suitable for separation of chromone glycoside was determined by static absorption experiment on seven different kinds of resins, and further more, the absorption and elution of chromone glycoside on the selected resin were studied by fixed bed absorption experiment. ResultsThe AB-8 resin was founded to be suitable for separation and purification of chromone glycoside.

方法采用静态吸附实验考察D101，AB8，S8，X5等7种大孔吸附树脂对升麻苷和5O甲基维斯阿米醇苷两种色原酮苷的吸附效果，筛选出吸附性能较好的树脂；对所筛选出的树脂，进一步采用固定床吸附法分离玉屏风提取物中色原酮苷，探讨主要参数对色原酮苷固定床穿透曲线及洗脱曲线的影响。

On the one hand, the component method is introduced into flowchart design, which can not only enlarge the depth and the connotation of the flowchart, but also extend the traditional concepts of the flowchart. By combining the component method and the objectoriented method, it will be easy to illustrate the industry flow and meet with the future requirements of the industry control software. On the other hand, the trajectory concepts in plane moving, the method of using Bezier Curve to approach the 1/4 arc to implement the arc circumrotation, the method of using graphic elements' combination to extend the expression capability, and the method of combining the graphic elements'combination, three-dimensional graphic elements and bitmaps to realize the three-dimensional effects to express the industry flow more realistic are brought forward in this dissertation.

工控软件中最能够体现人机接口设计创造性的画面当属流程图，本文对流程图设计进行了深入研究，提出了一种工控软件流程图设计的新方法：一方面在流程图设计中引入部件化方法，扩展流程图的深度与内涵，延伸了流程图的传统概念与意义，将部件化技术与面向对象技术相结合，能够更好地实现对工艺过程的描述并适应工控软件的未来发展要求；另一方面对流程图中动画关联和三维化这些新兴领域进行了研究，提出了平移动画中的&轨道&概念，以实现图元的沿曲线平移，提出了在圆弧旋转动画中用Bezier曲线逼近〓圆弧的工程化方法，并用最小二乘法进行了验证和工程化参数的获取，实现了利用图元组合来扩展流程图的表达能力，采用了图元组合、三维图元和位图相结合的方法来实现逼真的三维效果，以使工控软件更加符合人机工学，更能形象地反映工艺流程。

The Cp curves' shape are cliffy,the pore structure is assorted and pore structure characteristic parameter s mainly are poor.

细管压力曲线上看，曲线较陡，分选差，孔隙结构特征参数总体上较差，与孔隙度、渗透率有一定的关系，大的孔隙对渗透率的贡献最大。

The parameterization of section contour data is carried out by the method of accumulated chord length, the reasonable math model on the selection of node vector is given, the approximating of NURBS curve to section contour data is carried out by the least square method and the most reasonable number of control point is obtained by the dimidiate algorithm, which makes the approximating of NURBS curve reach the extent of complete automation.

用积累弦长的方法对截面轮廓数据进行参数化；给出了节点矢量选择的合理数学模型；用最小二乘法对截面轮廓数抛进行了NURBS曲线的拟合；二分法寻找最优控制点的算法使NURBS曲线的拟合达到全自动化的程度。

To satisfy the requirements of fast producing,low cost manufacture and large thickness preforming in the field of non-resin winding cylinder composite,the equation of retracing cosine curve was deduced based on the section principle.

为使复合材料圆柱壳体预制件适应短周期快速生产、低成本、壳体厚壁成型的要求，基于缠绕区段划分原理推导出端部余弦折回曲线方程，并结合传统纺织理论，推导了余弦折回曲线模型下端部特征参数计算公式。

It can analyze obtained data in real-time monitoring and print battery parameter change curve and chart.

配套数据处理软件可实时记录电池组的单体电池电压、总电压、总电流数据，并生成变化曲线；如出现异常及时报警，并可查询报警记录；分析实时监测中获得的数据，打印电池参数变化曲线和报表。

3 Block under different bottom hole flowing pressure,inflow dynamic mathematical model for condensate gas well of uniform function relationship.

凝析气井流入动态曲线反映了凝析气藏向生产井供液的能力，研究凝析气藏的流入动态曲线，可以更好地进行生产参数优化设计，提高凝析气藏的最终采收率。

Based on the hypothesis of Cole-Cole model, a new recursive inversion method is used in the inversion of complex-resistivity sounding curves over multi-layered earth with Schlumberger array without electromagnetic couping.

在Cole Cole模型假设的基础上，用一种新的递推反演算法对无电磁偶合影响时的水平层状大地对称四极装置复电阻率测深曲线进行反演，得出了层状大地上视电阻率、视时间常数、视频率相关系数、视充电率的视真频参数测深曲线。

The characteristics of fatigue life curve of materials in three stages of fatigue life were analyzed and then a model with three parameters was presented to describe the fatigue life curve of materials in the whole region.

分析了材料疲劳寿命曲线在三个阶段内的变化特性，提出了一个描述材料全寿命区域内疲劳寿命曲线的三参数模型。

Based on the garment design with the meshes, we assort spline curve into two types, that is to raisene idea that the ring and characteristic line are the basic geometry elements of three-dimensional garment model.

从人体服装设计所用曲面出发，通过对样条曲线进行分类，提出将环和特征线作为人体服装三维建模最基本的几何元素，并详细介绍了利用双线性插值法对人体服装中的两类子曲面进行三维建模的方法，从而在将参数化方法运用到高层次图素如样条曲线、曲面等方面作了尝试和推广

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。