查询词典 mechanics

Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,ChinaThe method of numerical simulation based on coordinate transformation and diffraction theory was adopted to analyze the beam characteristics of waveguide lasers with hard-edge unstable resonators.Output beam quality was investigated considering non-uniform pumping and gain saturation.

基于衍射理论和坐标变换，采用数值模拟的方法分析了硬边非稳腔平面波导激光器的光束特性，研究了存在非均匀抽运和增益饱和时，输出激光的光束质量。

Based on experience and harvest obtained home and abroad, pavement structure of asphalt overlay is studied out by forecasting future traffic capacity. Mid-layer of overlay structure is the most adverse layer in the whole structure by mechanics analysis, so the material composition design of mid-layer is considered as emphasis.

借鉴国内外已有经验成果的基础上，通过对旧路面状况调查，结合未来交通发展的需求，进行了加铺层的结构组成设计，并从力学角度分析了中面层为加铺层结构的最不利层，因此对其材料组成设计进行重点研究。

Procure normal 3D finite element model of acetabulum by adding mechanics parameter to the haunch bone model with Ansys software.

正常髋臼及不同面积后壁骨折条件下应力分布情况按设定骨折线在模型上将髋臼后壁进行拆分后获得髋臼后壁1／3、2／3、3／3骨折的三维可视模型和有限元网格模型。

Explore and improve the method of performing biomechanics experiment with digitalization mechanics model. 1、Construct 3D finite element model of normal acetabulum: Scan the pelvic example of human body with CT, restitution three-dimensional visible haunch bone with correlated software; investigate the method of 3D image reconstruction with plane images.

正常髋臼三维有限元模型的构建：通过对大体标本进行薄层CT扫描，利用相关软件重建三维可视髋臼，研究利用平面图像重建高仿真三维影像的方法；再利用有限元分析软件将髋臼力学参数赋值于可视模型上，使其具备力学性能，同时研究如何改进赋值方法，使有限元模型力学性能更接近于大体标本。

Modify the model by FreeForm software and dissecte the model of haunch bone; import the 3D visible model of haunch bone into Ansys8.0 software. Add mechanics parameter to the haunch bone model, construct 3D finite element model of acetabulum. 2、On the base of common fracture line of acetabular posterior wall fracture in clinical cases, split the acetabular 3D finite element model according to 1/3, 2/3, 3/3 areas fractures of posterior wall after simplify setting, obtain four types of acetabular posterior wall fracture model(including normal condition of acetabulum).

按髋臼骨折Letournel分类标准并根据临床髋臼后壁骨折病例常见骨折线位置，进行简化设定，依次按后壁1／3，2／3，3／3面积骨折将髋臼三维有限元模型后壁进行拆分，获得三种髋臼后壁骨折状态的有限元模型；再模拟双足直立位对髋骨约束设定，分别对后壁正常及不同面积骨折状态模型进行加载，获取各模型应力分布图并记录臼顶负重区、髋臼前壁和剩余后壁在不同后壁骨折状态下应力分布大小及改变。

A loading cycle consisting of a haversine load followed by a rest period was adopted to simulate the actual vehicle loading on asphalt pavement, and a viscoelastic-damage mechanics model was deduced for permanent deformation of asphalt mixture under repeated load.

再采用半正矢波间歇荷载模拟实际路面轮载作用，推导了重复荷载作用下沥青混合料永久变形的弹黏塑性损伤力学模型。

Two-dimensional "different dollar" and "four-color conjecture"(5)- Mathematics - Mathematical Physics Mechanics World Health ...

二维的"相异元数"与"四色猜想"-数学-数学物理力学天地生。。。

Its application in engineering relates to various branches of knowledge, such as mechanics, materials science and heat conduction.

其工程应用涉及到多种学科的交叉结合，如力学、材料科学及传热。。。

The main body of the model is the precise zone method that response the mechanics of heat exchange in furnace.

模型以精确的段法为主体，充分反应了炉内热交换的机理。

In this paper, the deoxy-liquefaction mechanics of cellulose, hemicellulose and lignin were studied.

实验在密闭的环境中进行，不需要加氢气和其它载气。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐