Effects of M-A constituent on toughness of coarse grain heat-affected zone in HSLA steels for oil tanks
M-A组元对石油储罐用钢粗晶热影响区韧性的影响
The experimental results showed that M-A constituents mainiy distributed at prior austenite grain boundaries at second peak temperature of 780 ℃, large particle M-A constituent and fine grain bainitic zone were formed at prior austenite grain boundaries at 840 ℃, and M-.
结果表明,二次峰值温度为780℃时,M-A组元在原奥氏体晶界成链状分布;二次峰值温度为840℃时,原粗晶区晶界位置生成了细晶贝氏体带,及大颗粒的M-A组元;二次峰值温度为900℃时,M-A组元弥散分布,原粗晶区的奥氏体晶界消失。
M-A constituents in local brittle zones of pipeline steel;
管线钢焊接局部脆化区的M-A组元
The refining effect of the second phase particles CaO on γ grain boundary of coarse grain heat affected zone(CGHAZ) and the effect of M-A constituents in microstructure of CGHAZ on toughness were investigated.
分别研究了微钙C-Mn钢中分布的弥散的热稳定的第二相CaO粒子对焊接热影响粗晶区(CGHAZ)奥氏体晶粒的细化效果和CGHAZ显微组织中的M-A组元对冲击韧性的影响。
The granularity and M-A constituents were etched by Lepera reagent.
用Lepera着色腐蚀剂腐蚀粒状贝氏体中的M-A组元,观察和研究了不同t8/5的热模拟条件下粒状贝氏体中M-A组元的形态、数量及分布特征。
And as corollaries, the strong deviation theorem for frequency of m-tuple of the sequence of arbitrary integer-valued random variable is obtained.
并作为推论得到了任意整值随机变量序列的m元序组的强偏差定理。
Study on the wavelet packet based M-ary multicarrier spread spectrum system;
基于小波包的M元多载波扩频系统研究
The algorithm can achieve BPSK DSSS in the in-phase branch based on the code phase,and the M-ary modulation in the orthogonal branch based on code polority.
该算法利用扩频码码极性特点在同相支路上进行BPSK调制的直接序列扩频传输,利用扩频码码相位特点在正交支路进行M元扩频传输。
Effects of M-A constituent on toughness of coarse grain heat-affected zone in HSLA steels for oil tanks
M-A组元对石油储罐用钢粗晶热影响区韧性的影响
Microstructure and Wear Resistance of Oral Ti-Zr-(M) Titanium Alloy
热处理对口腔用Ti-Zr-(M)多元合金的组织及耐磨性的影响
Sum of the Combinatorial Numbers (-x)xxm;
组合数(-1)~xx~m(m从x到2n-x)的求和
Type M programmer is available in four models.
M型程序单元有四种系列。
Research on the Parallel of GMRES(m) in Fast Multipole Boundary Element Method;
多极边界元法中GMRES（m）的并行化研究
Design of Parallel IGMRES(m) Algorithm in Multipole Boundary Element Method
多极边界元法中并行IGMRES（m）算法设计
Investigation of the Envelope Character of the M-ary Multi-code MC-CDMA System
M元多码MC-CDMA系统信号包络特性分析
The finite groups having 6p~m elements of maximal oder
最高阶元素个数为6p~m的有限群
Study on the Microstructures and Properties of AZ91D-M Magnesium Alloys;
AZ91D-M镁合金组织与性能的研究
On linear Orthogonal System in Ring \$Z/(m)\;
关于环Z/(m)上线性型的正交组
Effect of Nb on Microstructure of CFB/M Multiphase Steel
Nb对CFB/M复相钢组织的影响
ON L-M METHOD FOR NONLINEAR EQUATIONS
求解非线性方程组的L-M方法(英文)
We give the wavelengths of the K lines for some of the elements in Table 2. 1, in units of ??m.
表2―1中列出某些元素的K线波长，以??m为单位。
Finite-Element Simulation of Universal Rolling Process for 60kg/m Rail;
60kg/m重轨万能轧制过程有限元模拟研究
Relationship of M Currents Modulation and Neuronal Excitability in Rat SCG Neurons;
M电流调节与大鼠SCG神经元兴奋性的关系
The Static and Dynamic FEM Analysis of 0.1 Million m～3 Large-scale Oil Tank;
某港口10万m～3大型储油罐静动力有限元分析
On the Properties of Uniform Domains and Quaternionic M(?)bius Groups;
关于一致域及四元数M(?)bius群性质的研究
The Relations Among the Roots, Coefficient and Real of the Unary Quadratic Equation;
一元二次方程的根、系数与实数m的关系