The Poincaré series of diagonal forms in 2 variables and 3 variables are given.
本文给出了二元和三元对角型的Ｐｏｉｎｃａｒé级
This paper consider a doubly nonlinear parabolic equations systems in diagonal form,under rather general structural conditions,proved that its generalized solution is bounded locally and globally.
本文考虑对角型双非线性抛物型方程组，在一般结构条件下，证明广义解局部有界和整体有界，并对一特殊情形，证明了如果解在抛物边界为零，那么它只能是零解。
Consider an elliptic variational inequality systems in diagonal form and prove the everywhere Holder continuity for bounde solutions.
考虑一类对角型椭圆变分不等式组,对有界解证明它在区域内部的处处Holder连续性。
Optimum Design Roll Passes of Rolling No.20 Angle Iron Through Medium Section Mill;
中型轧机轧制20号角钢孔型优化设计
Optimized Pass Design System of Angle Steel and Finite Element Simulation;
角钢孔型优化设计系统及有限元模拟
Research of Steel Angle Computer Assistance Roll Pass Design System;
计算机辅助角钢孔型设计系统的研究
butterfly angles pass
轧制角钢用蝶式孔型
Pass design of medium section mill for 20/12.5 unequal angle steel
中型轧机生产20/12.5号角钢的孔型设计
Improvment of edging pass and slitting pass for 56# angle steel
56#角钢立轧和切分孔型系统改进
PASS DESIGN AND ROLLING OF NO.10/6.3 UNEQUAL-LEG ANGLE STEEL
10/6.3号不等边角钢的孔型设计与轧制
On the Model of Prediction Temperature and Rolling Force Model in Splitting Caliber for Continuous Rolling Steel Angles
角钢连轧温度预报与切分孔轧制力模型
STUDY AND PRACTICE OF DEFORMATION LAW OF LEAST BUTTERFLY PASSES ROLLNG ANGLE STEET
最少蝶式孔型轧制角钢变形规律的研究与实践
With some angle between axes of pass and rolls, the flexture either on plane or on sides can straightened at one time.
孔型轴线与矫直辊轴线成一定的倾角，使得扁钢的平面弯曲及侧面弯曲一次性被矫直。
The Pass Design and Stady Simulation System for C Beam Hot Rolling
热轧C型钢的孔型设计及有限元模拟
Steel Section(flat bulb)computer Aided Roll Pass Design and Optimization;
型钢（球扁钢）计算机辅助孔型设计及优化
corten steel heavy hex nuts
耐候钢六角重型螺帽
stainless steel heavy hex nuts
不锈钢六角重型螺帽
Constructional Techniques of Foundation Strengthening Works with Rock-socketed Steel H-piles by Means of Drilling & Piling
钻孔嵌岩H型钢桩加固基础施工技术
The Improvement of 650 Roughing Pass for the Round Steel of Φ55～Φ70
Φ55～Φ70圆钢粗轧650孔型改进
System developing of Computer Aided Rollpass Design for H-Beam Products;
H型钢计算机辅助孔型设计系统的开发
Single type angle drills: Use to machine chamfer for hole of glass, stones etc. Various type and specification.
独立倒角钻头：用于玻璃孔、材孔倒角使用。各种型号及规格。