助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   直流 在 动力工程 分类中 的翻译结果: 查询用时:1.469秒
图标索引 在分类学科中查询
所有学科
动力工程
电力工业
无线电电子学
核科学技术
工业通用技术及设备
冶金工业
自动化技术
铁路运输
金属学及金属工艺
更多类别查询

图标索引 历史查询
 

直流     
相关语句
  dc
    Analysis and Improvement on Furnace Bottom DC Electrode and Furnace Constructing Problem
    单电极直流矿热炉底电极及炉膛砌筑问题的分析与实践
短句来源
    Automatic regulation of water supply in DC boiler of imported generating unit
    进口机组直流锅炉的给水自动调节
短句来源
    Test and Research on the Material State of Superheater and Reheater in 1100t/h DC Boiler
    1100t/h直流锅炉过热器、再热器材质状态试验研究
短句来源
    In this paper a new pulsed high voltage power source is presented. Theparameters of its output voltage are: basic DC voltage U_(DC) =-(0─40)kV,amplitude of sulse voltage U_m =-(40─80)kV, pulse width τ=44μs,rise time ofwave front τ_r=1.4μsr,repeat frequency f=50─400Hz.
    本文介绍了一种新式电除尘用脉冲高压电源,其输出电压参数为:直流基础电压U_(DC)=-(0─40)kV,脉冲电压幅值U_m=-(40─80)kV,脉冲宽度τ=44μs,脉冲前沿时间τ_r=1.4μs,脉冲重复频率f=50─400Hz。
短句来源
    A SMALL-POWER DC MOTOR INDICATOR
    小型直流电力测功器
短句来源
更多       
  once-through
    The 300 MW 1000 T/h Once-through Boiler
    配国产30万千瓦机组的1000吨/时直流锅炉
短句来源
    Adjustment and Analysis of Causes Leading to Primary Preheated Steam Temperature being too low on 1000 t/h Coal-fired Once-through Boilers
    国产1000吨/时燃煤直流锅炉低温过热器汽温调整及原因分析
短句来源
    Steam Temperature Control of the Primary Superheater of a 1000 t/h Once-through Boiler
    1000吨/时燃煤直流锅炉低温过热器汽温控制的若干问题
短句来源
    Causes of Transverse Leakage from Furnace-Wall Tubes of 935t/h Subcritical Pressure Once-Through Boilers and Its Prevention
    935t/h亚临界压力直流锅炉水冷壁管横裂泄漏的原因及处理对策
短句来源
    Transverse Cracks in Waterwall Tubes of the 935 t/h Subcritical Once-Through Boiler in Yao Meng Power Plant
    姚孟电厂935吨/时亚临界压力直流锅炉水冷壁管横向裂纹起因的分析
短句来源
更多       
  once through
    Design Research on 300 MW UP Once Through Boiler
    30万千瓦UP型直流锅炉的设计研究
短句来源
    Analysis on the Explosion of a 12Cr1MoV Steam Connecting Pipe Bend in 1000 t/h Once Through Boiler
    1000t/h直流锅炉12Cr1MoV钢导汽管弯头爆破分析
短句来源
    Study on the Bwrsting-leakage Characteristics“Four Kinds of Tubes”of Domestic-made 300 MW UP Once through Boilers
    国产300MW机组UP型直流炉“四管”爆漏特性的研究
短句来源
    Experimental Study and Simulation of the Dynamic Pressure Response of Deaerator Water Tanks of Once Through Boilers during Starts
    直流锅炉启动时除氧器水箱压力变化动态特性的实验研究和仿真模拟
短句来源
    Tests and Renovation of a SG 1025 t/h Once Through Boiler's Burners and their Reverse Tangential Arrangement
    SG-1025t/h直流锅炉燃烧器及反向切圆布置的试验与改造
短句来源
更多       
  monotube
    500 MW Supercritical Monotube Boiler of The Poryong Power Station in Korea
    韩国波阳电站500MW超临界直流锅炉
短句来源
    The Manufacturing Characteristics Of the 900MW Supercritical Pressure Monotube Boiler
    900MW超临界直流锅炉制造工艺特点
短句来源
    Control Strategy of Coordination Control System of 600 MW Unit with Supercritical Monotube Boiler
    600MW超临界直流炉机组协调控制系统策略
短句来源
    There isn’ t overmany differences in the materials, structure, and manufacturing procedure of economizers, superheaters, reheaters and headers between 900MW supercritical pressure monotube boiler and the former boilers made in our company, except the size is bigger.
    90 0MW超临界直流锅炉与上海锅炉厂有限公司以往制造的锅炉产品相比 ,其省煤器、过热器、再热器及相应集箱的材料、结构和制造工艺除了尺寸较大之外无大的差异。
短句来源
    The article introduces the manufacturing characteristics of 900MW supercritical pressure monotube boiler, especially the diffculties and the adopted steps for the difficulties in the production of the spiry waterwall’s transition section.
    介绍 90 0MW超临界直流锅炉制造工艺的一些特点 ,特别是螺旋水冷壁过渡段制造中的难点及应采取的措施
短句来源

 

查询“直流”译词为其他词的双语例句

     

    查询“直流”译词为用户自定义的双语例句

        我想查看译文中含有:的双语例句
    例句
    为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
      dc
    The structure and properties of the samples were investigated by XRD, Raman spectral techniques, and DC measurements and so on.
          
    Results of the analysis reveal that crystals of the complex 1 are orthorhombic, space group Pbcn, a = 4.6370(2) nm, b = 0.7549(2) nm, c = 1.3888(4) nm, V = 4.861(2) nm3, Z = 8, M = 945.49, Dc = 2.58 g/cm3, μ = 2.625 cm-1, R = 0.063, and wR = 0.075.
          
    Furthermore, it is clear that when carrier signal h(t)=0, closed-loop pulse-width modulation (PWM) DC-DC converters are not well posed, and when some condition is satisfied, the closed-loop PWM DC-DC converters with a P controller are well posed.
          
    The brushless DC motor (BLDCM) with trapezoidal electromotive force (back-EMF) waveform is used widely.
          
    Bifurcation and chaos in multi-parallel-connected current-mode controlled boost DC-DC converters
          
    更多          
      once-through
    Experimental data are presented on the hydrodynamic instability of the steam-water flow in a once-through sodium-heated steam generator that occurs when the relative outlet enthalpy is more than unity.
          
    A model is proposed for taking into account the nonuniformity of the fireball temperature in furnaces equipped with once-through multifunctional multinozzle burners.
          
    Certain results from an investigation of the water-chemistry conditions in the once-through boilers at the Belovsk district power station of OAO Kuzbassenergo are reported.
          
    Experimental investigation of transient heat transfer in the once-through boiler water separator
          
    Simulation analysis of static and dynamic characteristics of once-through steam generator in concentric annuli tube
          
    更多          
      once through
    Based on the present approach, a program has been developed, which is directly applied in thermal hydraulic design and investigation of 600MW supercritical variable-pressure once through boiler.
          
    Given a graphG = (N, E) and a length functionl: E → ?, the Graphical Traveling Salesman Problem is that of finding a minimum length cycle goingat least once through each node ofG.
          
    Soybean oil extraction techniques were studied in which solvent was recirculated or pumped once through a suspension of soybean tissue.
          
    The biomass was found to be an excellent sorbent for remediation of low level waste streams on once through basis.
          
    At the destination node we will search only for particular rays that have passed only once through each node.
          
    更多          
      monotube
    Dead loads for the cantilevered monotube and cantilevered truss sign support are automatically derived from the dimensional and property inputs given.
          
    These aerodynamic benefits, as well as ease of manufacture, led to the decision to use a monotube frame in the vehicle.
          
    The cantilevered monotube and cantilevered truss sign support shear and moment forces are derived from the dead, ice, and wind loads.
          
    The cantilevered monotube and cantilevered truss sign support worksheet have been programmed to report the results of the load combinations.
          
    The failure load of the single bar systems ranged from 60 N for the Howmedica Monotube to 143 N for the Orthofix Double Iowa system.
          


    The importance of the flow distribution in the controlled circulation boiler is discussed. Based on the basic hydrodynamic equations, the fluid distribution law in parallel evaporating circuits with different heat absorbing rates is analysed mathematically. The range in which the autocontrol ability of flow distribution in such boiler exists has also been presented. The proposition in this paper is also suitable for once-through boiler.

    本文论述了研究强制循环锅炉中流量分配的重要性;从强制循环锅炉的水动力特性基本方程式出发,用数学方法分析了在受热不同的并联蒸发管内流体分布的规律性;指出了强制循环锅炉流量分配出现自调节性的范围。本文所讨论的内容也适用于直流锅炉。

    Research results of the cold aerodynamic flow characteristics of a bluff-body flame stabilizer mounted on the outlet of a tangential burner are reported. From an analysis of the data L, mR/m0, Csp, B and Wm/W0, it is proposed that the bluff-body flame stabilizer can be used for the power plant boiler to intensify the firing of pulverized coal and air mixture.

    本文主要介绍在直流式燃烧器出口加装钝体稳燃器后的冷态空气动力特性的研究成果.根据对回流区长度L、回流率m_R/m_0、静压系数C_(SP)、阻力系数ξ、扩张角β和速度衰减率测量数据的分析,认为钝体稳燃器可用于电站锅炉,以强化气粉混合物的着火.

    Tangential firing has found wide application(?)in jet pulverized fuel burners both in this country and abroad. An outstanding troublesome problem usually found in the operation of such a burner is the deflection of the gas flow causing slagging of the water tube thus endangering the operational safety and boiler economy. An important factor which causes deflection of the gas-flow is the ratio of the secondary to primary air-flow momentum.Through theoretical deduction we can arrive at the conclusion: the ratio...

    Tangential firing has found wide application(?)in jet pulverized fuel burners both in this country and abroad. An outstanding troublesome problem usually found in the operation of such a burner is the deflection of the gas flow causing slagging of the water tube thus endangering the operational safety and boiler economy. An important factor which causes deflection of the gas-flow is the ratio of the secondary to primary air-flow momentum.Through theoretical deduction we can arrive at the conclusion: the ratio of the secondary to primary air-flow momentums in the jet pulverized fuel burner is completely determined by the choice of the velocities and the flow-ratio of the secondary and the primary air at the burner exit.Theoretical calculation as well as statistical data enable us to find the appro ximate relation that exist between the momentum ratio of the secondary to the primary air flows and the volatile matter V(?) on the combustible basis of the fuel. The momentum ratio decreases as V(?) increases.Both theoretical deduction and test data, have shown that the decrease of the secondary to primary air-flow ratio (I_(2k)/I_(1k)) is one of the important conditions for reducing air-flow deflection and tube slagging.Therefore, in the design and operation of the corner jet pulverized fuel burner, it is reasonable(?)to select the lowest possible value of I_(2k)/I_(1k) that is compatible with the combustion economy considerations.

    直流煤粉燃烧器切向燃烧方式已在国内外得到广泛采用.但运行中的一个突出问题是燃烧气流偏斜,冲撞水冷壁而引起结渣,这将直接危及锅炉的安全经济运行.造成燃烧气流流动方向偏斜的一个重要因素是整组燃烧器二、一次风气流的动量比值.经过理论推导得到,直流煤分燃烧器二、一次风气流动量比的数值完全决定于燃烧器出口二、一次风速及风比的选择.通过大量计算和统计找出了二、一次风气流动量比与燃煤可燃基挥发分V~r间的近似关系.随着V~r的增加,动量比减小.根据理论和试验资料证实,降低二次风气流与一次风气流的动量比(I_(2k)/I_(1k)),是改善气流偏斜,减少或消除结渣的重要条件之一.因而对于角置直流煤粉燃烧器的设计和运行来说,在燃烧经济性允许的条件下,选用可能低的动量比(I_(2k)/I_(1k))是合理的.

     
    << 更多相关文摘    
    图标索引 相关查询

     


     
    CNKI小工具
    在英文学术搜索中查有关直流的内容
    在知识搜索中查有关直流的内容
    在数字搜索中查有关直流的内容
    在概念知识元中查有关直流的内容
    在学术趋势中查有关直流的内容
     
     

    CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
    版权图标  2008 CNKI-中国知网
    京ICP证040431号 互联网出版许可证 新出网证(京)字008号
    北京市公安局海淀分局 备案号:110 1081725
    版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社