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.
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.
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.
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.
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.
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.
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.
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.
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.
板材轧机上一对带特殊辊型的工作辊轴向相对移动时，可改变辊缝凸度，调节板形。
The gap crown between two work rolls of plate mills and the strip shape can be adjusted by axial shifting of the work rolls, both of them have a special contour.
在实际工程中，靠人为摸索和经验积累来估计凸度，不仅效率低、成本高，而且误差大。
In practical process, the crown is designed by trial and accumulative experience, leading to low efficiency, high cost and big error.
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.
凸度和平坦度是板形控制的目标，也是对热连轧机工作辊的弯辊力进行设定和调整的基础。
Crown and flatness are the targets of shape control, also are the foundation of the setting and the adjusting of bending forces in hot strip mills.
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.
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.
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.
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.
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.
采用一种具有较高精度的样条有限条法对轧制过程中工作辊的温度场和热凸度进行计算和预报。
The spline finite strip method, which has a high precision, was adopted to calculate and predict the work roll temperature field and crown.
采用一种具有较高精度的样条有限条法对轧制过程中工作辊的温度场和热凸度进行计算和预报。
The spline finite strip method, which has a high precision, was adopted to calculate and predict the work roll temperature field and crown.
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