The modeling included several parts: sub-dividing, cell shape, the principle of cell density, cell quantifying, local error analysis. 主要分以下几个步骤:单元划分,所用单元形式、确定单元划分密度的法则;
The paper describes the pressing and forming method of P/ M parts with stage and analyzes the effects of die structure on improving density homogeneity of products. 介绍了粉末冶金台阶件的压制成形方法及成形方式,分析了模具结构对改善制品密度均匀性的作用。
It allows battery parts to be highly integrated and enabled batteries energy density to be substantially raised. 这种方法使得蓄电池高度集成,从而便其能量密度大幅提高。
The influence of parts shape on material density distribution is discussed. P/ M structure parts of high density and complex shape can be made by single pressing. 通过讨论零件形状对材料密度分布的影响,采取相应措施,用一次压制成形法可以生产较高密度和形状复杂的结构零件。
The controller include software and hardware parts which include collecting density sample design, relay controlling circuit design, alarm circuit design, detecting circuit design and so on. 其中硬件部分设计包括浓度采样电路设计、继电器控制电路设计、报警电路设计、检测电路设计等。
Bleeding parts mostly in hemisphere, multitudinous image enhancement, irregular modality or inconsistent density and enormous edema area around lesions were the characteristics of CT. 病变多发生于脑叶,多数强化,形态不规则或密度不均匀,灶周有广泛的大片水肿带。
The tests in use show that this kind of iron powder has good compressibility and formability, and is suitable for manufacturing parts with high density and complicated form. 应用试验表明,所制得的铁粉具有良好的压缩性和成型性,适合于制作高密度和形状复杂的零件。
According to the real data of site sampling, dredger fill in most parts of embankments reach the designed dry density after stabilization by consolidation. 试验表明,大部分堤段的吹填土在固结稳定后能够达到设计干密度。
Based on the simplified multi-support response spectrum method, this paper presents a simplification of the correlation coefficients from the main parts of the power spectrum density function and frequency response function in this method. 从地震动功率谱密度函数和频响函数两方面对多点输入反应谱法中的关键相关系数又进行了简化。
On different parts, the density of two kinds of gl and s are different. 不同部位两种腺体密度有一定差异。
The rate between the above two parts are related to the distance from the shake center and to the density of sand. 这两部分的比例与震中距及砂土密度有失。
Different from Selective Laser Sintering ( SLS), LENS can rapidly forming the metal function parts, whose density and intensity are higher without the complicated after-treatment processes such as infiltration and hot iso-static pressing and so on. The composition of the LENS system is introduced. 与选择性激光烧结工艺不同,激光工程化净成形工艺不需要浸渗、热等静压等复杂后处理工序即可快速获得致密度和强度均较高的金属功能零件。
The main parts of the CF-60 colour enlarger control system are colour analyser and density/ expousure time converte. CF60型彩色放大机控制系统的主要部分是色分析器和光密度/曝光时间转换器。
It has many advantages including excellent device isolation function, less parasitic effects among different parts, high speed, good radiation toleration, and high integration density, etc. 它具有器件隔离性能好、器件间的寄生效应小、电路工作速度高、抗辐射能力强和集成度高等优点。
The density research can be divided into two parts of earth normal density distribution and density anomaly. 本文的密度分布研究包含正常密度分布和异常密度分布两个部分。
Printing effect research include three parts: printing gloss, color density and color deviation, color efficiency, gray level. 对印刷效果的研究包括三个方面:印刷光泽度、色密度和色偏、色效率、灰度。
It was pointed out that the free energy density can be divided into two parts. One is the usual distorted energy density of director field around the disclination lines. 指出自由能密度可以分为两部分,一部分是通常的液晶指向矢场在向错线周围的畸变能密度;
The main parts include density adjustment, exposure adjustment, pre-printing adjustment and uniformity correction. 其主要环节包括密度校正、曝光量校正、均匀性校正、印前预校色等。
The increase of green parts's density is nonlinear under a given frequency ( or amplitude) with the increase of amplitude ( or frequency). 当振动频率(或振幅)不变时,随着振幅(频率)的增大,型坯密度呈非线性增大,达到最大值后缓慢下降,存在一个最佳值。
The mechanical properties of parts are closely related to its density. 零件的密度与其机械性能关系密切。
Magnesium and its alloys have a number of applications in automobile and computer parts, aerospace components, mobile phones, and household equipment etc for their excellent physical and mechanical properties, such as low density, high strength and high stiffness. 镁及其合金因其低密度、高比强度和比刚度等优异的物理和机械性能,在汽车、电子、家电、通信以及航天、航空等领域的应用日益增多。
Electrohydrodynamic motor has advantages of simple structure, a few moving parts, greater energy density, small size and low cost. 电水动力微马达的具有结构简单、可动部件很少、能量密度大、尺寸可以做到很小且成本低等优点,对其进行研究具有很大的理论与现实价值。
Power Injection Molding has the advantage of forming large quantities of complex shape and small metal parts. Products in different parts have uniform density and high performance. 粉末注射成形的优势在于能够大批量地一次成形形状复杂的较小金属零部件,且制品各部位密度均匀、性能优异。
Its principle is to full melt the metal powder, and realized the rapid manufacture of metal parts based on the principle of delamination& adding. It can get metal parts of 100% density with the comparative machine performance to forging. 它通过激光完全熔化金属粉末,基于分层&叠加堆积原理实现金属零件的快速制造,能够获得致密度近乎100%、机械性能与锻造工艺相当的金属零件。
With the development of microwave technology, Ba-W cathode is widely applied for high-power microwave vacuum electronical parts of an apparatus which ask for big electricity density and high stability, and is thought much of by scholar. 随着微波技术的发展,大功率微波真空电子器件所要求的大电流密度、高稳定性的钡钨阴极被广泛应用,并越来越获得研究学者的重视。
The Direct Rapid Manufacturing ( DRM) of metal parts based on high energy density beam, including laser, electronic beam and plasma arc, is one of the most important developing aspects of rapid prototyping technology. 以高能束(激光、电子束、等离子束)为热源的金属零件直接快速制造是快速成形技术的一个重要发展方向。
Focused on and analyzed the serious dependency in particle-cloud-Equations, the whole solving process of the equation was broken down into two main parts, the solving of particle index and the solving process of current density based on the particle index. 针对粒子云方程求解过程中存在的严重的依赖关系进行分析,将整个方程的求解过程分解成两个主要部分,粒子索引的求解过程和在粒子索引基础上的网格电流密度求解过程。
Parts of the survey data show dog density decreased, the immunization rate raised somewhat, to a certain extent, the infectious sources of rabies were reduced. 3. 部分地区调查数据显示犬只密度有所下降、犬免疫率有所上升,从而在一定程度上减少了人间狂犬病的传染来源。