It was studied that the effect of carbon equivalent, inoculation and casting modulus on porosity of spheroidal graphite iron using a series of castings. 用系列试验铸件研究了主要工艺因素(碳当量、孕育量以及铸件模数)对球墨铸铁件缩松产生的影响规律。
In Ductile Iron spheroidal nodules also eliminate the crack effect of flake graphite which is exhibited in cast iron. 球墨铸铁内部的球状结构也能够消除铸铁内部的薄片石墨容易产生的裂缝现象。
Study on Immediate Quenching Process of Martensitic Based Spheroidal Graphite Cast Iron Grinding Ball 马氏体基球墨铸铁磨球的余热淬火工艺分析
Aiming at the magnetic field shielding effectiveness in magnetic fuze application, the spheroidal shell is brought forward to act as the fuze body approximate model. 参照拉梅解答的推导过程,针对不同的适用范围,根据无矩理论推导了椭球壳体上任一点在内压作用下的应力公式。
Control of Geometric Size of Equatorial Plate and Polar Plate in Manufacture for Mixing Style Spheroidal Tank 混合式球罐中赤道板和极边板制造过程中的几何尺寸控制
Microstructure and properties of ESD coating on spheroidal graphite roll 球墨铸铁轧辊电火花沉积层组织结构和性能
Effect of As-cast Graphite on Mechanical Properties of RE-Mg Spheroidal Graphite Malleable Iron 铸态石墨对稀土镁球墨可锻铸铁件力学性能的影响
Spheroidizing is the process of producing a structure in which the cementite is in a spheroidal distribution. 球化是使渗碳体产生成类似球状分布结构的工艺。
A homogeneous weld electrode was developed for welding spheroidal graphite cast iron. 采用该焊条对球墨铸铁焊接时,可以达到同质焊缝要求。
Installation Technology for Hyperboloid Spheroidal Antivibration Supports in Railway Bridge Gemini spacecraft 一种新型铁路桥梁双曲面球型减隔震支座安装技术
NOTE The transmission technique has insufficient sensitivity to detect the discontinuities found in spheroidal graphite cast iron castings and is used in exceptional cases only. 注意:对于检测球墨铸铁中的缺陷来说,穿透技术的灵敏度不够,只有在特殊情况下使用该技术。
Formation Mechanism of Spheroidal Primary Si in Hypereutectic Al-Si Alloys 过共晶Al-Si合金中球团状初生Si的形成机理
The experimental result in this paper shows that the theory of elastic-plastic mechanics can be basically applied to spheroidal graphite cast iron with the matrix of ferritic-pearlitic. 本文的实验结果表明,弹塑性力学的理论和假设基本适用于铁素体-球光体基体的球墨铸铁材料。
Experiment and Production of Heavy Thick-walled Winding Barrel Casting for Crane with Spheroidal Graphite Cast Iron 大型厚壁球墨铸铁起重机卷筒铸件的试验与生产
Nano-Reinforcement of NR and Percolation Phenomena in NR with Spheroidal Inorganic Particle 天然橡胶的纳米增强及球状无机纳米粒子增强天然橡胶中的逾渗行为
In order to obtain large and light supporting frames by replacing spheroidal graphite iron with Al alloy, an indirect squeeze casting system of supporting frames was designed. 为满足大型支架“以铝代铁”的轻量化要求,设计了铝合金支架间接挤压铸造系统,完成了相应的数值模拟及工艺设计,并制作了相应的模具。
Spectral Methods Based on Prolate Spheroidal Wave Functions for Time-Dependent Problem 求解时间相关问题的基于长球波函数的谱方法
Earth's Free Spheroidal Oscillations of the Great Sumatra Earthquake Observed with Digital Water Level Meter 数字化水位仪观测的苏门答腊大地震激发的地球球型自由振荡
Diagnosis of epilepsy by EEG of acupuncture needle spheroidal electrode ( analysis of 110 cases) 毫针蝶骨电极脑电图检查对提高癫痫诊断率的体会(附110例癫痫检查分析)
The complex shape of the hot-air balloon by spheroidal, non-standard cylinders, composed of vertebral body, to bring about a considerable difficulty in surveying and mapping. 而该热气球形状复杂,由椭球体、非标准圆柱体、椎体等组成,给测绘带来了相当的难度。
The Earth's Spheroidal Oscillations Induced by the Wenchuan Earthquake 汶川大地震激发的地球球型自由振荡
An Introduction to China National Standard "Wind Turbine Generator Unit, Spheroidal Graphite Cast Iron Castings" 《风力发电机组球墨铸铁件》国家标准介绍
"also known as nodular cast iron and spheroidal graphite iron, ductile iron solidifies with free carbon in a spheroidal graphite from." The Fracture Toughness of Shaped Ferritic Ductile Iron by Horizontal Continuous Cast 也称为可锻(韧性)铸铁或球状石墨铸铁,以球状石墨形式存在的游离碳使球墨铸铁变得更加坚固。水平连铸铁索体球墨铸铁型材的断裂韧性
Finally, the methods to finding the spheroidal wave functions were also discussed the case when the multiplications of wavenumber and focus length were up to10 for oblate spheroid. 最后并对求解所需之椭圆体波动函数之求法加以研究,并延伸至较高频率之情况,本文提出之方法可求得准确之特徵值。
Their mature eggs were spheroidal, light, yellow and sticky. 成熟的卵子为圆球形、淡黄色、粘性卵。
Designing Method of Orthogonal Pulse in Time Domain Based on Prolate Spheroidal Wave Functions for Nonsinusoidal Wave Communication 非正弦波通信时域正交椭圆球面波脉冲设计方法计算正弦交流电路的一种方法&相量法
Energy Concentration Analysis of Bandpass Prolate Spheroidal Wave Functions 带通椭圆球面波函数能量聚集性分析
This paper presents a full-wave analysis of electromagnetic ( EM) field distribution inside a dielectric prolate spheroidal human head model. 文中给出一长椭球介质人头模型中的电磁场全波解。
In recent years much attention has been paid to phosphatized spheroidal fossils found in the Sinian Doushantuoan phosphorites in Weng an, Guizhou Province. 我国贵州瓮安陡山沱期磷块岩中的磷酸盐化球状化石是近年来受到广泛关注的一类微体化石。