我们介绍了超凸度量空间中对角拟凸和拟凹的概念。
We introduce concepts of diagonal quasi-convexity and quasi-concavity in hyperconvex metric spaces.
轧制力的合理分配可以有效控制板凸度。
The crown can be controlled by optimum distribution of rolling force.
摘要文章给出了超凸度量空间中的一些变分不等式定理和极大极小不等式定理。
In the present paper some theorems for variational inequalities and minimax inequality are obtained in hyperconvex metric spaces.
计算实例表明,凸度缺口模型对于给定的初始值和约束条件,可以较好地减少利率风险的暴露头寸和提高收益;
Calculation case shows that in the given initial value and restraints, convexity gap model can lessen the exposure position of interest rate risk and increase yields.
该生产线的自动凸度控制系统AGC是由一级PLC和二级计算机组成的。
The automatic camber control system AGC of the line is consist of first PLC and secondary computer.
论文对套期保值的理论进行分析,对常用的基于久期的套期保值策略进行评述,从而引出凸度偏移的概念。
In the dissertation the hedging theory is analyzed, the common duration-based hedging strategy is commented on and thus the conception of convexity bias is introduced.
经现场实践应用表明,采用该方法设计出的工作辊、支持辊辊型曲线适应性好,并大大地改善了板凸度和轧辊磨损情况。
The application results show that work roll and backup roll designed with this method have good adaptability, and the plate crown and roll consumption have been reduced greatly.
良好的工作辊冷却及热凸度控制是降低工作辊消耗、控制板型、提高生产收得率的有效措施。
Excellent work roll cooling and thermal crown control are the effective measures for reducing work roll consumption, controlling plate shape and enhancing production yield.
经改善钢材质量、采用塑料保持架、改进挡边结构及凸度滚子的应用,可使圆柱滚子轴承的寿命和性能大幅度提高。
By improving steel material quality, adopting plastic cage, improving rib structure and using crowned rollers, the life and performance of cylindrical roller bearing can be largely increased.
轧辊磨床是工业生产中不可缺少的一种重要设备,它用于磨削各种具有中凸度或中凹度的轧辊。
The roll grinder is an indispensable important equipment in the industry, which grinds all kinds of dished or convex roller.
以本城轧辊弹性变形理论为基础,通过模型简化和离散化建立了板凸度预报模型、板形预测模型及板形控制反馈修正模型。
The predicted models of plate crown, the prediction and feedback models of plate shape are set up on the basis of Ben Cheng's elastic deformation theory by simplifying and discretizing the models.
采用实验的方法对板宽对板形的影响进行了较为系统的研究,发现了板凸度随板宽变化的一些规律。
The method is used in this paper to study the influence of plate width on plate shape, and some varying rules of crown with plate width are discovered.
轴承滚针的凸度设计,决定了滚动体与滚道间的接触压力分布,影响其性能和寿命。
Crown Drop of a Needle roller decides the pressure distribution between roller and raceway, capability and life.
轧机特点:液压自动凸度控制工作辊的平衡与正、负弯。中间辊的侧移。
Special Mill Features: Hydraulic Automatic Gauge Control. Positive and Negative Work Roll Bending. Intermediate Roll Shifting.
重点介绍了矫平控制、中间辊弯辊控制、支撑辊凸度调节控制的思路和方法。
It emphasized the idea and methods of leveling control, IMR bend control and BUR crown control.
运用久期—凸度方法,研究了资产负债管理的利率免疫策略。
Interest rate immunization strategy in the asset-debt management is discussed using the duration convexity method.
论述了采用双阶梯支承辊的必要性。提出了接触长度、阶梯深度及工作辊凸度的计算方法。
The paper discusses the necessity of applying double stepped backup rolls, and describes the methods for calculating the contact length and stepped depth and work roll crown.
分析中厚钢板板凸度计算模型并给出相应的在线数学模型。
This paper analyzes a simple plate crown model and gives an on-line model relevant to it.
同时给出了严格凸度量空间上拟非扩张映象、连续映象迭代序列的收敛性定理。
Some convergence theorems of iterative sequence for quasi-nonexpansive mappings and continuous mappings are also obtained in the strictly convex metric Spaces.
研究基于凸度缺口模型的具有隐含期权的商业银行利率风险管理问题。
Interest rate risk management for commercial Banks with embedded option is investigated based on the convexity gap model in this paper.
提出一种新型线性变凸度工作辊辊型即lvc辊型,这种辊型实现了辊缝凸度调节与板宽成线性化。
A new work roll contour is advanced which is a linear variable crown (LVC) roll. This roll contour can realize linear ratio of gap crown and strip width.
热轧板凸度过大,楔形严重,凸度不对称和有局部高点,均可造成罩式炉退火时产生粘结。
Excessive convexity, severe wedge, dissymmetric convexity and partial protrusion will result in sticking of sheets during annealing in the bell-type furnace.
首次推导出了CVC轧辊凸度与轧辊轴向移动量之间的非线性关系,提出了凸度极值的概念。
The nonlinear relationship between roll crown of CVC rolls and their shift amount is first deduced. The concept of crown limit is first given in the paper.
指出,铸轧辊的热装质量、冷却效果、研磨精度、铸轧参数选择及其搭配是影响厚差及板凸度的因素。
It is pointed out that main factors affecting profile are casting roll's shrinkage fit quality, cooling efficient, grinding accuracy, casting and rolling parameters 'choice and matching.
根据傅里叶热传导方程,导出了轧辊的动态热凸度数学模型。
A dynamic thermal camber model of rolls has been derived according to Fourier's thermal conducting equation.
采用有限差分法对轧辊温度场和热凸度进行了数值模拟,计算值和实测值吻合较好。
The temperature field and thermal camber of the roll are made in numerical simulation by finite difference method and the calculation values coincide better with the measured values.
对比分析了高速钢与高铬铁轧辊在热凸度、摩擦系数、氧化膜特征、抗事故性等方面的区别;
Some differences between the rolls of high-speed steel and high-chrome iron in hot crown, friction coellieient, characteristics of oxidative film and anti-accident and so on are analyzed.
叙述了带钢的板形分类,分析了在冷轧厂生产中带钢板产生浪形的原因,探讨了带钢的凸度控制。
This paper expounds the shape classification of strip, analyzes the reasons why the shape wave occurs on the band steel in the cold rolling mill, and probes into the crown control of the band steel.
叙述了带钢的板形分类,分析了在冷轧厂生产中带钢板产生浪形的原因,探讨了带钢的凸度控制。
This paper expounds the shape classification of strip, analyzes the reasons why the shape wave occurs on the band steel in the cold rolling mill, and probes into the crown control of the band steel.
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