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.
经试验验证,采用幂函数的辊形优化曲线可提高支撑辊使用寿命,并有利于板凸度和板形控制。
The results we obtained prove that the power function curve can not only improve the service life of the backup roll but also benefit the profile and shape control of hot rolled strip.
上切牙凸度及下前牙牙槽高度均增大。
The protrusion of the upper incisors and the mandibular alveolar height became larger.
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.
凸度仪系统中,用户界面是一重要组成部分。
In the instantaneous profile gauge system, user interface is an important part.
提出一种全新的滚子轴承滚道凸度磨削成形技术。
A fully new type of grinding process for the crowed raceway of cylindrical bearing is proposed.
分析表明,辊型曲线最大凸度值与板宽变化相关。
The analyzed results indicate that the maximum plate crown value of roll shape curve is related with plate width variation.
本发明提供一种热轧轧机的凸度控制装置以及方法。
The invention provides a convexity control device and method for hot rolling mill.
轧辊横移方法是控制板形和板凸度的一种有效手段。
Roll shifting is an efficient method to control strip shape and 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.
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.
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.
实际生产表明,采用该系统后,凸度命中率可达96.37%。
Practical application shows that profile target shooting rate is up to 96.37% with this control system.
结果表明,应用单锥度辊可以有效降低带钢边降,减小带钢总凸度。
The results show that the use of a taper roll can reduce the edge drop and total crown of strip steel efficiently.
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.
实验结果表明,凸度仪电离室的时间响应满足在线测量热轧钢板的要求。
The experiment results show that the time response of ionization chamber in profile gauge meets the requirement of on-line hot strip measuring.
本发明提供了一种板带材轧制用变凸度工作辊,其辊形曲线采用复合函数。
The invention provides a variable convexity working roll for rolling plates, sheets and strips, and a roll shape curve thereof adopts a composite function.
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.
高精度板厚测量仪是实现高精度铝薄板加工及板凸度的精确控制的关键设备。
The high-accuracy laser measurement instrument for the thickness of plate is a key to realize the high-accuracy process in aluminum thin plate and the flat control.
通过改变轧辊、板带表面的应力分布,来得到理想的带材凸度、板形和厚差。
Optimum profile, shape and thickness difference of strip can be obtained by means of changing stress distribution of load on the surface of strip.
对F4 ~F6机架平辊的预磨凸度进行优选,明显改善了带钢的平直度。
As for flat roll of F4 ~ F6 stands, their pre-grinding crowns were optimized and the flatness of strips was greatly improved.
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.
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.
并基于不同条件的计算结果,回归出轧辊凸度变化对辊缝设定影响的计算模型。
The mathematic model of the influence of roll crown variation on gap setting can be got by regression based on lots of calculation results.
本文详细阐述了弯辊力前馈、凸度反馈和平坦度反馈三个模型在现场的具体实现。
Realization of three models, including roll-bending feedforward, crown feedback and flatness feedback, on field was described in detail.
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.
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.
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.
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