查询词典 developable surface

The upside in the coping of reative cell and flank sets aspersion shower nozzle, time, aspersion of surface of grey grain of mensurable Xiang Shi, make the surface of limestone covers film of a thin water, when flue gas has spread every reative cell, the SO2 in flue gas and the limestone grain that covering water film undertake osculatory, in entering water film through diffusing, with limestone happening chemistry reacts, 80% above are the by-product that reaction produces gesso crystal.

反应室的顶部和侧面中上部设有洒水喷头，定时，定量向石灰颗粒表面洒水，使石灰石的表面覆盖一层薄水膜，当烟气流过每个反应室时，烟气中的SO2和覆盖着水膜的石灰石颗粒进行接触，通过扩散进入水膜中和石灰石发生化学反应，反应产生的副产物80%以上为石膏晶体。

Excavated or modified form of pressure stabilized after crack hit paved surface of asphalt concrete or cement concrete surface.

改造方式包括挖除或砸裂压稳之后铺筑沥青混凝土面层或水泥混凝土面层。

In view of methods for calculating asphericity of optical aspheric surface are nonuniform, a least maximum residual error method for calculating asphericity of high-order optical aspheric surface is proposed on the basis of analyzing common calculating methods.

针对现有光学非球面度计算方法不统一的问题，在分析常用方法特点的基础上，对於高次光学非球面度的计算提出最小最大残差法。

Discussion is made to some properties of aspheric surface. A novel method is presented to define and calculate the best fitting sphere and the asphericity of high order aspheric surface. Thus, the asphericity calculations of the conicoid and high order aspheric surfaces are unified.

在本文中，对非球面的一些性质进行了讨论，提出一种新的高次非球面的最接近球面及最大非球面度的定义和计算方法，实现了轴对称的高次非球面和二次非球面的非球面度计算的统一。

Abstract］ Objective To describe the shape of the planar space of the corneal anterior surface of children with emmetropia by using a conic section, and then to plot the changes in asphericity on 36 meridians to deduce the formulae of the three-dimensional shape of the corneal anterior surface.

目的 通过二次曲线方程来描述正视儿童角膜前表面的二维空间形态，根据各子午线非球面性的变化规律推导出其三维形态的数学表达式及非球面性变化规律表达式。

It is pointed out that the strong upward motion associated with surface convergence forced by underlying surface is the trigg...

指出：下垫面强迫所导致的辐合上升运动是这次暴雨过程的触发机制。

The Dirt shader is an excellent way of using information gathered from the surface itself, in this case the amount of curvature at a given point, to control the texture associated with the surface

DIRT材质是一个极好的方法去使用从表面上得到的信息，在这个例子里，在一个给定点会有一定数量的曲率值，去控制在这个表面上的纹理关联。

Hence the associated surface of minimum genus can be got by doing a sequence of exchangers on some associated surface.

通过对任一关联曲面作一系列调位，从而可得最小亏格的关联曲面，此亏格即为所求图类的最小亏格。

Therefore, quantum chemistry associated with surface analytical techniques is used to investigate the key surface reactions involved in the growth and functionalization of group-IV semiconductor surfaces.

我们的计算从理论上预测了有机小分子催化反应的机理和可能的反应路线，对于丙烯醇在Si(100)-2×1上表面上的计算表明O—H解离反应是表面选择性的反应通道。

It is also found that for noble metals'(111) surface the impact of substitutional impurities on surface vacancy formation energy depends on the impurities' cohesive energy, atomic radius and alloy heats of solution.C.

贵金属(111)表面杂质替位对表面空位形成能的影响则主要取决于替位杂质的凝聚能、原子半径以及合金溶解热。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。