查询词典 surface

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。

While gel is still soft add cold surface attractant uniformly to warm gel surface.

当胶仍是软的时候，在热胶表面均一地加入冷的表面诱食剂。

The third approach is about the concept of an ITO direct Ohmic contact structure on GaP window layer. The direct Ohmic contact structure is performed by the deposition of an AuBe diffused thin layer and the following activation process on the surface of a Mg-doped GaP window layer. The presence of this thin AuBe diffused layer yields the Be dominant metallic surface layer and significantly reduces the barrier height between the ITO and p-GaP layer. Via the modification of contact structure, not only the brightness was significantly increased but the reliability was comparable to the conventional LED without this structure.

第三个研究为一种具有直接欧姆接触在p型磷化镓窗层与氧化铟锡界面的制程方法，於本研究中并无习知砷化镓欧姆接触层的存在，我们利用金/金铍金属藉由热退火程序，使其金铍原子在磷化镓窗层表面形成具金属特性之薄膜层，降低磷化镓与氧化铟锡接触产生之接面能障；另外，该元件在氧化铟锡直接欧姆接触於磷化镓窗层下，除亮度具明显提升外，在稍大电流(20毫安培)元件可靠度测试下，亦未有明显衰减情形发生。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我