A three-dimensional numerical model for laser surface transformation hardening of metals using the finite differential technique is given in this peper.
给出了用有限差分法对金属材料激光相变硬化过程建立的三维数值模型。
A precise calculation of acid dew-point is very important for design of utility boilers, flue gas sulfur removal and tail heating surface transformation.
酸露点是锅炉设计和运行中重要参数之一,目前国内外计算烟气酸露点方法很多,但是不同方法计算结果差异较大。
Aimed at particle swarm optimization (PSO) algorithm being easily trapped into local minima value in multimodal function, a rotating surface transformation (RST) method was proposed.
针对粒子群优化算法(PSO)应用于多极值点函数易陷入局部极小值,提出旋转曲面变换(RST)方法。
Underground mining in coal mine must cause land surface transformation so that a series of geo-hazards will be occurred such as land destroy, waterlogging, landslide and house collapse.
矿山地下煤层开采引发地表沉陷变形,可造成土地破坏、房屋倒塌等一系列灾难性后果。
Once it reaches the surface of the soil, the "slug" undergoes another transformation.
一旦接触土壤表面,这条“鼻涕虫”就会发生另一种变形。
Maps (on paper or on the screen) are flat surfaces; they require a transformation from the curved surface of the earth to the flat plane: a map projection.
纸上或屏幕上的地图是平面的;它们需要从地球的曲面向平面进行转换:地图投影。
The experimental results show that the surface hardened layer consists of non-full transformation area which is adjacent to the base metal and surface full transformation area.
实验结果表明,合金铸铁光束表面相变硬化层由与基材相邻的不完全相变区及表面完全相变区组成。
A calculating formula for surface integrals under orthogonal transformation of space coordinates is given.
给出曲面积分在空间坐标的正交变换下的一个计算公式。
The city planet's entire surface was undergoing a radical transformation.
这座城市星球的整个表面正在经历剧烈的变形。
The city planet's entire surface was undergoing a radical transformation.
这座城市星球的整个表面正在经历剧烈的改造。
To run the UML to XSD Transformation, right-click the package containing the purchase order elements above, either on the diagram surface or in the model explorer.
右键点击包含购买订单元素的包来运行UMLto XSD转换——在图上或模型浏览器中点击都可以。
After practising in Hongchen road surface design of comprehensive transformation works, two technique problems were discussed about road surface rebuilding and broadening in road extension design.
通过洪城路综合改造工程的路面设计实践,对改扩建道路设计中路面加铺及加宽两个技术难题进行了探讨,提出了一些设计处理方法。
The characteristic and mechanism of laser transformation hardening, the technics of laser surface heat treatment were introduced.
主要介绍了激光相变硬化的特点及强化机理、激光表面相变硬化工艺。
The heat flux generated in grinding is utilized to induce martensitic phase transformation in the surface layers of components, such as that achieved by other surface strengthening processes.
磨削淬火技术是利用磨削热对工件表面进行热处理,使工件表层发生马氏体相变,达到与表面强化处理一样的性能。
Combining the Haoxi Road Transformation Project, the paper introduces the design method of paving bituminous concrete surface after treating the disease of cement concrete pavement.
该文结合南通市濠西路改造工程,介绍水泥混凝土路面病害处理后,加铺沥青混凝土面层的设计方法。
Once it reaches the surface of the soil, the slug undergoes another transformation: Most of the cells turn into a stiff stalk, while the others crawl to the top and form a sticky ball of spores.
一旦接触土壤表面,这条“鼻涕虫”就会发生另一种变形:大部分细胞变成一个硬柄,其余则的爬到顶端形成一个黏黏的孢子球。
Soil is an important medium in which various organic pollutants can exist, while photodegradation is an effective abiotic transformation means for organic pollutants in surface soil.
土壤是承载有机污染物的重要介质,而光降解是降解土壤表层有机污染物的一种非常重要的非生物转化途径。
Although on the surface it seems to be interlingual transformation, it is actually conveyance across cultures.
表面上看,翻译是语际间的转换,实际上却是跨文化传达。
It is possible that oxygen vacancies formed in the surface region in the absence of oxygen can prevent the transformation from the tetragonal to the monoclinic phase.
这可能是由于在缺氧条件下样品表面形成了一种具有氧空位的扭曲结构,这种结构可以阻止四方相到单斜相的转变。
UV Raman spectroscopy has been employed to investigate the surface phase transformation of zirconia calcined at different temperatures in different atmospheres.
以紫外拉曼光谱技术研究了在不同焙烧气氛中氧化锆样品的表面晶相结构及其转变过程。
By making use of transformation of coordinate translation, coordinate rotation, we deduced general formula about area of rotational surface.
利用坐标平移、旋转变换,导出旋转曲面面积求法的一般公式。
According to different sweeping rules, a method for constructing a sweep type surface by means of coordinate transformation and blending is described.
提出了用矩阵变换和混合的方法,构造多种由相关曲线依据不同的扫掠规则生成的扫掠曲面。
The Galilean transformation was applied to the simplified equation to make a surface function related to only coordinates.
应用伽利略变换对简化后的方程进行变量变换,使得曲面函数仅与空间相关;
This article mainly concentrated on the parameters transformation of vibrating compaction, hitting of roll compacted concrete, and surface vibration on the basis of experimental research.
通过试验研究,本文论述了碾压混凝土的振动碾压,击实和表面振动的参数变换关系。
Using coordinate transformation, we study the event horizon of accelerating non-stationary black holes, the equation of event horizon surface is calculated out.
采用坐标变换的方法,研究几种加速运动动态黑洞的事件视界,得到了黑洞的视界面方程。
This paper affords the transformation formula of coordinate systems so that the calculation of propagation range may be carried out on the same spheroidal surface.
本文提供了坐标系统的变换公式,以达到在同一椭球面上进行距离计算。
First, encoding technology based on window transformation and a new quick calculating of the intersections between the lines and the spherical surface are discussed.
本文首先研究了以窗口变换为基础的编码技术以及球面窗口线裁剪的快速求交技术。
This paper presents the transformation situation of the hoist system for service shaft and the successful experience of driving hoist room in the break and unstable rock mass near to surface.
本文介绍了金厂峪金矿副并提升系统改造概况和在破碎不稳固的近地表岩体中开挖卷扬机硐室获得成功的经验。
In this paper we propose a method of projective transformation from pitch surface to cutter surface for studying face mill cutters.
文中借助于形象思维把齿轮的啮合几何化,提出了一种研究按滚切法工作的切齿刀具的方法,从节曲面到齿曲面的射影变换。
Shader types: surface, light source, displacement, transformation, volume, image.
着色器种类:表面,光源,置换,转换,体,图像。
应用推荐