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belt
相关语句
  胶带
    THE CHARGING BELT CONTROL AND SIMULATION OF THE 4063ms BLAST FURNACE IN BAOSHAN IRON AND STEEL WORKS
    宝钢4063m~3高炉装料胶带的控制及模拟
短句来源
    A Speed Protector of Belt Conveyor
    胶带输送机运行全过程速度保护装置
短句来源
    Application of Single-Chip Microcomputer for Ordinary Belt Testing Machine
    单片微机在普通胶带试验机中的应用
短句来源
    STUDY OF MODEL MPZ-1 AUTOMATIC FIRE-FIGHTING SYSTEM FOR MINE BELT CONVEYOR
    MPZ-1型矿用胶带输送机自动防灭火装置研究
短句来源
    CONTROL MATHOD OF MULTI MOTOR DRIVING SYSTEM FOR A SUPERLONG BELT CONVEYER
    超长胶带机多电机拖动的控制方法
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  “belt”译为未确定词的双语例句
    Real-time and On-line Inspecting System for Conveyer Belt Products
    传送带式产品的在线实时检测系统
短句来源
    The Research and Application of Neural Network Predicting Model of Molecule Weight of Casting Slice Belt
    切片平均分子量神经网络预测模型研究及应用
短句来源
    Analysis and Design of the Tension Control System to a Loosening Reel Winded by the Flexible Belt
    柔性带材退卷张力控制系统的分析与设计
短句来源
    Intelligent Controller of Quantitative Given Substance System by Nucleon Belt Scale
    核子秤定量给料系统的智能控制
短句来源
    The application of expert system on design of belt conveyor and selecting specific components of boiler cylinders
    专家系统应用于锅炉分气缸的设计和选型
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  belt
Effect of soil water changes on photosynthetic characteristics of Taxodium distichum seedlings in the hydro-fluctuation belt of
      
Four different kinds of water treatment were applied to examine the photosynthetic characteristics of baldcypress (Taxodium distichum) seedlings in the hydro-fluctuation belt of the Three Gorges Reservoir area.
      
distichum takes on the features of a water-tolerant and hydrophilic plant, which can be considered as one of the species for the building of a forest protection system for the hydro-fluctuation belt in the Three Gorges Reservoir area.
      
Given these facts, some management measures for conservation and restoration of the riparian forests are proposed, including the establishment of riparian forest buffer belt, bank stabilization measures, and maintenance of flood protection.
      
The bamboo Fargesia nitida, one of the giant panda's main food sources and the dominant shrub species of the forest understory, is mainly distributed in the dark coniferous belt in western Sichuan and southern Gansu in China.
      
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This paper briefly introduces the flying spot scanner of the "789" model of Optical Character Recognition system developed in Futan University. A method of matrix scanning with a high resolution flying spot tube is adopted in the scanner. It has the advantages of high speed and flexible control. There are also equipments of aperture correction, astigmatism correction, concentric correction, dynamic focusing, automatic brightness adjustment and so on in the scanner; so that it can scan a rather large area with...

This paper briefly introduces the flying spot scanner of the "789" model of Optical Character Recognition system developed in Futan University. A method of matrix scanning with a high resolution flying spot tube is adopted in the scanner. It has the advantages of high speed and flexible control. There are also equipments of aperture correction, astigmatism correction, concentric correction, dynamic focusing, automatic brightness adjustment and so on in the scanner; so that it can scan a rather large area with high resolution, great precision, good signal/noise ratio and good stability. The system of video signal quantization includes an automatic threshold-adaptive circuit which can be adapted to the scanned documents of poor printing quality and varible darkness of characters. The signal reception system con- tains two channels: the red and black channels. Using the colour selection circuit with the combination of "S curve transformation" and "time logical circuit", it can distinguish between red and black characters. With the documents attaching to the transporting belt by pumping out the air and step-by-step document transporting me- chanism, the documents of convolution type can be effectively transported. In conclu- sion, this scanner system is a opto-electronic converter with flexible control, wide range of adaptation, high resolution, great precision and high scanning speed.

本文简单介绍复旦大学“789”光学文字识别系统使用的飞点扫描器。该扫描器采用高分辨率飞点管作阶梯波点阵扫描,具有速度快、控制灵活的优点;系统中设有飞点管孔栏校正、象散校正、同轴校正、动态聚焦、亮度自动调节等装置,能在较大的扫描区域内达到高分辨率、高精度以及良好的信噪比与稳定性;视象信号量化系统采用阈值自动控制电路,能适应各种印刷质量较差、字符深浅不同的扫描文件;信号接收系统设有红黑两个通道,采用“S 曲线变换法”与“时间逻辑电路”相结合的颜色分选电路,能区分红黑两种不同颜色的字符;采用抽气吸纸及步进输纸机构,能有效地传送折迭式文件。综上所述,该扫描器是一种控制灵活、适应性广,分辨率、精度和速度都很高的光电转换装置。

A computer-aided design of V-belt is based on a recommended design procedure. Given the design requirement, a set of all feasible solutions can be calculated by computer. An optimal design can be obtained if the mathematical model of objective function is given.

本文介绍借助于电子计算机、按照传动三角胶带的设计方法,在提供原始设计依据(传动功率、转速、要求传动比及中心距要求与工作状态等)的条件下,自动地算出全部可行方案,供设计者择优选用。设计者如能提供寻优目标函数的数学模型,程序还能直接选出最佳的设计方案。

A microcomputer-based blending feed control system that runs with recognition in a cement plant is addressed in this paper. The system comprises four individually PID-regulated belt conveyer-weighers and optimizes the blending operation, for which the author deduces in particular a blending adaptive recurrence equation based on quadruple formulation with unity-sum-total restrictions.

本文给出的水泥生料粉磨微机控制系统,将原来用PID调节器控制的四台互不相干的配料皮带秤,改用微处理机控制,组成一个统一的整体,不仅实现了四台皮带秤流量的PID调节,又根据四组分配料方程及总和等于1的约束条件,推导出配料适应性递推计算公式,实现了配料自动计算与调节,从而解决了我国水泥生料配料靠人工、按经验调节的问题,还实现了产量的自寻最优控制,实际运行中取得良好效果,于1984年12月通过省级鉴定。

 
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