水轉分選機 的英文怎麼說

中文拼音 [shuǐzhuǎnfēnxuǎn]
水轉分選機 英文
hydrotator
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 轉構詞成分。
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : machineengine
  1. Because of the technical complexity of the turbine for the three gorges project and on the basis of several important technical problems which have been defined in the international bidding documents for 14 generating units in the left bank power station, the owner of the project has decided another some important technical problems based on appraisal and comparison in the bid appraisal stage after the bidding documents are analyzed and the tender documents are cleared by the tenderers

    由於三峽工程技術上的復雜性和挑戰性,在左岸電站14臺組國際招標文件已明確了若干重大技術問題的基礎上,在組議評標階段,對招標文件進行析和投標商對投標文件進行澄清說明后,經評議比,業主又決策了幾個重大技術問題,主要有:設計頭的確定,負傾角葉片的應用,兩套力設計,舍棄初期輪,蝸殼進行壓試驗等。
  2. By analyzing and experimentally verifying the model, new ways of improving mixer performance were put forward. ( 1 ) heat water should be used in the mixer ' s temperature control to make the mixer work with optimal parameters. ( 2 ) the surface materials of the mixing chamber and rotors should be chosen rationally to change material surface energy and increase friction on them. ( 3 ) when the compound was processed under higher pressure of floating weight, shallow groovers or stripes parallel to the axle of the rotor should be made on the mixing chamber internal wall to increase the real contact area and improve mixing effect

    通過對模型的析和實驗驗證,提出了提高密煉混煉效果的新途徑: ( 1 )密煉溫度控制採用溫冷卻,使密煉處于最佳工作狀態; ( 2 )通過合理擇密煉室和子表面材料以改變材料表面能來增大膠料與它們之間的摩擦力; ( 3 )在上頂栓壓力較大的條件下,在密煉室內壁與子軸線同方向加工淺的光滑槽可明顯改善混煉效果。
  3. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱解溫度超過400 ,但在ptfe中加入無填料會使復合材料吸率提高,熔融溫度及解溫度降低,且伴有氧化解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  4. The thesis targets the two focused issues existing in project construction management and construction managemeflt rehabilitation structure in the course of curreflt economy system tyansit stage of the water resources sector starting from history cun. ent status, domestic and overseas project management experience, with combination of theories of modem management science, the paper explains the construction management system of water resources projects, in particular the execution plans of project legal person responsibility system ; on the basis of environment and mandatory mission analysis of water resources project construction management units, the paper demonstrates organization smicture design and operation management mechanism of consmiction management units

    本文以當前利行業經濟體制軌過程中出現和存在的項目建設管理體制與建設管理治理結構這兩個焦點問題為研究對象,從歷史、現狀、國內外項目管理的實踐入手,結合現代管理學理論,論述了利項目的建設管理體制,尤其是項目法人責任制的實施方案問題;同時,從利項目建設管理單位的環境、使命析入手,著重論述了建設管理單位的組織結構設計、運行管理制等問題,尤其在建設管理單位職能部門的形成析、各種組織結構形式的具體適用與擇、內部管理的規章制度、外部管理功能的實現途徑、建設管理單位的監督制等方面做出了有益的探索。
  5. The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method

    本論文從目前空調工程中使用的變流量系統入手,研究了盤管換熱器在部負荷下流量與換熱量的非線性關系,析了文獻中介紹的旁通管通流能力擇的不足之處和一次泵系統採用壓差旁通控制時,工況換不能滿足系統控制要求的缺陷;比較了一次泵變流量系統中壓差旁通控製法、回溫度控製法、負荷控製法的精確性,並得出了在一次泵系統的工況換時,採用負荷控製法能使冷組及其相應泵在啟停時的負荷變化范圍較小,更符合建築物的冷量需求,節能效果較好的結論。
  6. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、頻電路,實現了輪發電組頻率的測量;在軟體上,對微調速器的整個程序框架、並聯pid的離散化過程進行了析,用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的械液壓隨動系統具有步進電電液換元件,採用五相反應式步進電,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電驅動器之間數字介面。
  7. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位系統硬體和軟體,開發了上位監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行位測量,別是旋編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的擇,我們用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的換和在單片內的運算;高集成度16位模數換晶元ad7705在系統中的應用,我們完成了它與單片的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片的spi介面任務,協調了它與ad7705晶元和單片共同構成的spi總線系統的關系,並完成了程序設計;與上位的通信介面設計,該部通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  8. Abstract : plant responses to salt stress via a complex mechanism, including sensing and transducing the stress signal, activating the transcription factors and the corresponding metabolizing genes. since the whole mechanism is still unclear, this review emphasize the biochemical events during the plant adaptation to salt stress referring to an index of importance : the homeostasis in cytoplasm, the biosynthesis of osmolytes and the transport of water. most of these biochemical events were elucidated by study of halophyte and salt - sensitive mutations, also many important genes involved were cloned and used to generate stress - tolerance phenotypes in transgenic plants. on the other hand, about the molecular mechanism in signal transduction, the research of arabidopsis mutations and yeast functional complementation provided helpful traces but not full pathway

    摘要植物對鹽脅迫的耐受反應是個復雜的過程,在平上它包括對外界鹽信號的感應和傳遞,特異錄因子的激活和下游控制生理生化應答的效應基因的表達.在生化應答中,本文著重討論負責維持和重建離子平衡的膜運蛋白、滲調劑的生物合成和功能及控制.這些生理生化應答最終使得液泡中離子濃度升高和滲調劑在胞質中積累.近年來,通過對各種鹽生植物或鹽敏感突變株的研究,闡明了許多鹽應答的離子運途徑、通道和物種特異的滲調劑代謝途徑,克隆了其相關基因並能在基因淡植物中產生耐鹽表型;另一方面,在擬南芥突變體及利用酵母鹽敏感突變株功能互補篩得到一些編碼信號傳遞蛋白的基因,這些都有助於闡明植物鹽脅迫應答的制。
  9. Some problems of the turbomachinery runner are introduced in the paper, which includes the hydraulic computation and analysis of the turbomachinery runner, the optimum selection and practical application of the reconstruct scheme, and test verification of increasing capability after the reconstructing

    主要介紹了豐滿電廠輪出邊切割增容的力計算和析、方案的優及實施、增容效果的試驗驗證。
  10. At the same tune, the paper analyses and discusses the control projects of the above parts. as for the hardware of the control system, on principle of reliability and considering the badly working condition of the vibratory roller, the paper chooses the special controller sp ecializing in the realm of construction machinery ' s control system in order to insure the reliability of the control system and simplify it. about the control quality of the system, the paper establishes the mathematical modes of the frequency modulation system and the amplitude modulation system, analyses the irrationality of the amplitude modulation project, puts forward to apply proportional - integral - differential controller ( pid controller ) to the traveling system and frequency modulation system

    作為控制系統的方案設計的基礎,本文首先對影響壓實效果的振動參數進行了析;然後針對智能振動壓路的功能要求,將控制系統為壓實參數的自動和手動控制、行走控制、向和蟹行控制以及智能灑控制等幾個部,對各部的控制方案進行了析對比和論證;在控制系統硬體設計方面,以可靠性為原則,考慮到振動壓路的惡劣工況,擇了專用於工程械控制領域的專用控制器,使系統的硬體設計得以可靠性保障和簡化;針對控制系統控製品質問題,建立了調頻和調幅系統的控制模型,對調幅系統的控制不合理性進行了析,提出採用pid控制器對行走和調頻系統進行校正;在軟體設計方面,對各個控制部進行了軟體編程流程圖設計。
  11. Introducing same ideas on future design high performance branch prediction, including manufacture technology, depth of pipeline, micro - architecture and so on. 5, research selective dual path execution architecture. introducing hardware mechanism of multi - path execution, including branch forking strategy and branch prediction confidence

    4 、析了高性能移預測設計中的問題;對未來設計高性能移預測器所面臨的問題以及解決這些問題的可能的辦法,包括製造工藝、流線的深度和處理器的微體系結構等5 、對擇雙路徑系統結構的析;介紹擇性雙路徑執行中的硬體制?移置信度評估和移策略。
  12. The parts of the unproved diesel are reliable and did not have obvious wearing. the specification of the new diesel met the requirements of mwm co. the purpose of improving design was established. the new diesel extended the power range selected for marine electricity generation stations

    經過結構改進、提高功率的tbd604bl6柴油經過性能試驗和1ooh可靠性考核試驗、解檢查,表明tbd604bl6柴油經過優化設計后,功率捉高了10 ,並且運平穩,性能參數正常,零部件可靠,無明顯磨損,符合duetz - mwm公司的技術要求,達到了改進設計的目的,為將來船用主、船用電站的型擴大了功率范圍,使tbd604b柴油綜合性能達到國內領先平。
  13. Qualitative and quantitative techniques were used in the analysis to indicate that in the transition period from traditional agriculture to modern agriculture, agricultural mechanization is the ke y factor influencing the agricultural international competitiveness. the level of agricultural mechanization is the core to form agricultural international competitiveness, which determines the strength or weakness of agricultural international competitiveness. china should be on a new course of industrialization and mechanization that can boost agricultural international competitiveness, focus on diversity, comprehensiveness and high efficiency

    在定性與定量相結合,深入析的基礎上,提出在由傳統農業向現代農業變的發展時期,農業械是農業生產要素中影響農業國際競爭力的關鍵因素,農業械化平是形成農業國際競爭力的核心能力,農業械化平的高低決定著農業國際競爭力的強弱,新階段要走適應新型工業化道路和有效提高我國農業國際競爭力的新型農業械化道路,突出多樣化、綜合性、優質高效性,與農業產業化、城鎮化相結合,促進農業可持續發展、農業結構調整和區域經濟協調發展,擇技術進步與發揮勞動資源優勢相結合的組合型農業械化技術路線。
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