查询词典 normal surface

ReShi Chemicals is a specialist in manufacturing and distributing metal surface treatment reagents: phosphorus treatment reagent, paints fog coagulating agent , electro-plating additive reagents, normal temperature nigrescence reagent, pre-treatment reagents ;refinishing paint total solutions; rare earth oxide compound ;offer burning inhabitor and deadening agent for rubber,special paints and Nylon industry.

专业为金属加工行业提供磷化处理药剂、水处理剂、电镀添加剂、钢铁常温发黑剂以及前处理产品；为汽车行业提供专业的汽车修补漆整套解决方案，喷漆房水处理解决方案；为玻璃陶瓷行业提供高性价比的稀土金属氧化物产品；为橡胶尼龙，涂料以及化妆品行业提供高效阻燃剂及消光剂。

Nanomaterials have many new characterizes which different from the normal materials for their small size, big surface area ratio and quanta dimension domino effect, for examples, the metal with good conductor will be turned into nonmetal when the size is reduced tonanometer levels; the resistance of originally nonconductor will be descended greatly when its size is reduced several nanometers or so, and loss the nonconductor property; the general solid is steady under certain conditions, while under nanometer conditions, the capabilities will be effected greatly by the granule sizes, the newness characteristics made nanomaterials have great appliance foreground on catalyze, optics, and industry produce and so on, therefore the nanomaterials have been the hotspot for materials science, chemistry science and so on.

纳米材料由于尺寸小、比表面积大和量子尺寸效应使它具有不同于常规固体材料的新的特征，如原来是良导体的金属，当尺寸减小到纳米量级时就变成非金属型；原来是绝缘体的物质，当尺寸减小到几纳米或几十纳米时电阻大大下降，失去了绝缘体特性；常规固体在一定条件下物理性能是稳定的，在纳米状态下，颗粒尺寸对性能产生强烈的影响等等，这些新奇的特点使得纳米材料在催化、光学、工业生产等各个方面都有着广阔的应用前景，因此，纳米材料目前已经成为材料科学、物理学及化学等学科的前沿热点。1990年7月在美国巴尔基摩召开了国际第一届纳米科学技术会议，正式把纳米材料科学作为材料科学的一个新的分支公布于世。

This paper presents a new rendering algorithm by the contrast between the Flat method, Gouraud method and Phong method, through which the color of each pixel can be figured out under the lighting model after the coordinates and normal of every corresponding point on the 3D-object surface have been calculated from the pixels in the range where the 3D-object is projected onto the photo, in order to provide each pixel a real color and get an image with strongest feeling of reality.

本文在对比研究了真实感图形生成中传统的Flat，Gouraud，Phong等明暗渲染方法后，提出了一种新的明暗渲染方法。在图像平面三维物体的投影范围内，由图像的像素坐标求出物体模型对应点的三维坐标及其法矢，然后对每个像素点根据光照模型来计算其明暗度。这种方法能够最大可能的保证图像中每一像素点明暗度的真实性，从而使所生成的真实感图像更加逼真。

For keeping the cutting efficiency and balancing of machine tools,the method for adjustment of feed-rate is proposed based on division of normal curvature radius on surface of parts.

为保证数控加工中的切削效率和机床运动的平稳性，提出了基于曲面曲率划分的进给速度修正方法。

So the offset point position can be adjusted adaptively as the normal curvature of surface changes along the offsetting direction.

因此偏置点的位置能够随着偏置方向曲面法曲率的变化自适应地调整。

In this approach, the inclination angle was determined by the normal curvature of the surface to be machined along the path interval direction.

算例表明，所提出的走刀行距及刀具倾角的计算方法合理可行，能够有效提高计算精度和加工效率。

Using the changing rate of maximum feed-rate as a threshold,the surface of the part is divided into different areas according to the values of normal curvature radius.Then the feed-rate is adjusted by constant velocities of cutter contact,thus the adaptive variation of feed-rate can be reached.An example is given to prove the ra...

以最大工作进给速度的变化比率为阈值，把零件表面的法曲率半径划分为不同的区域；在不同的曲率区域内，分别以恒定的刀触点速度对进给速度进行修正，修正后的进给速度随着零件表面曲率的变化而自适应变化；实例表明该方法具有合理性和有效性。

Divergence Theorem: is a vector theorem that allows a surface integral of the normal component of the vector to be transfomed into a volume integral of the divergence of a vector, or vice versa.

散度定理：将矢量表面积分转换为体积积分的散度形式。

Normal mapping is a great way of showing more detail on a 3D model by simulating the way surface detail responds to light.

法线贴图是一种显示三维模型更多细节的重要方法，它解算了模型表面因为灯光而产生的细节。

In the stage of rendering, we simulate the relief surface and the corrosion effects on the bronze articles through normal mapping, multiple texture blending and dilation techniques.

系统在绘制时利用了GPU的并行性和可编程性，加速了绘制速度。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。