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ConclusionThe experimental method can optimize the technique well and it also provide an appropriate way to synthetically utilize eupatorium adenophorum spreng.

结论使用响应曲面法能合理的优化紫茎泽兰中黄酮的提取工艺,为紫茎泽兰的综合利用提供参考。

An evaluator for the study generated two-dimensional surface of the process, we can refer to the next!

详细说明:一个用于学习二维求值器生成曲面的程序,大家可以参考下!

At the same time, exaggeratedly apply new materials and new techniques and workmanships such as exaggeration, distortion, rupture and refraction.

平面构图自由度大,室内夸张地运用新型材料及现代加工工艺的细致与光亮效果,常常采用夸张、变形、断裂、折射、扭曲等手法,打破横平竖直的室内空间造型,运用抽象的图案及波形曲线、曲面和直线、平面的组合,取得独特效果。

We started with the Advanced Surface Extension module of Pro/ENGINEER 2000i2, but it soon became clear that to design the bounding surfaces with more freedom, a complete free-form design solution was needed.

我们从Pro/ENGINEER 2000i2的高级表面扩展模件着手,但是不久就清楚地意识到要设计更自由的曲面,需要一种完善的自由形式的设计解决方案。

This paper presents the general methods and process of panel die design in PRO/E environment. The design can be top- down and bottomup. The emphasis is on the design and analysis of die surfaces under the PRO/DIEFACE including extensions, extension ratio, spring back ,etc.

本文探讨在PRO/E环境下采用自顶向下和自底向上的方法进行覆盖件模具设计的技术、方法和过程,着重叙述利用PRO/DIEFACE进行模具接触面设计、分析和空间曲面处理的步骤,包括模具型面、工艺余料、法兰、拉深筋、弹复角的生成和成形度分析等。

When generating the first layer of elements, the nodes on the interior surface are generated by projecting the nodes on the exterior surface along the normal direction of the exterior surface onto the interior or surface.

将未划分区域的边界继续向内偏置,划分新的单元,和第一层划分时直接将外边界上节点向内投射不同,以后的内边界曲面上的节点和表面四边形单元是直接划分的。

Inner point and exterior point of a quadric and its plane of the type of contact plane;2. The article gives a way by which a quadratic curve is processed by a linkage,and then a quadric can be formed by revolving the quadratic curve as a generatrix around the axis.

提出一种利用能够生成二次曲线的连杆机构作辅助装置,将生成的二次曲线作为母线绕轴线旋转而形成旋转二次曲面的方法,从理论上进行了推导,并通过实例说明了该方法的应用。

The study of extremal surfaces is of substantial interest in mathematics, general relativity and string theory.

极值曲面的研究在数学理论,广义相对论和弦理论中具有相当重要的地位。

It is impossible to logically infer the classically expressed geodesic differential equation from the ontology differential geometry. Besides, the initial proposition how to construct a functional extreme value problem for the shortest curve on a surface, which was supposed first by Gauss, would be an improper formal expression with a wrong premise.

不仅仅无法由"实体论"微分几何逻辑地推导出经典的测地线方程,而且Gauss曾经为"曲面上最短线"问题所构造的泛函极值命题,实质上属于一个"前提认定"完全错误的不当表述。

For curved face pattern the flexibility of glass tube curvature and the flexibility of stamp in the creation is to the in operation influence, and the 2 F PMMA in the 3D layer combined the influence of dint and capillary to do a superficial research.

对于曲面图案制作中玻璃管曲率与印章的弹性对操作中的影响,以及三维层叠中的两层PMMA结合力与毛细作用的影响做了粗浅的研究。

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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%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。