hydraulic current 中文意思是什麼

hydraulic current 解釋
落差流
  • hydraulic : adj. 1. 水力的，液力的;用水發動的。2. 液壓的，水壓的。3. 水力學的。4. 【建築】水硬的。adv. -lically
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. The water current flows over the top of the dentoid baffle to the hydraulic jump as additional momentum. while it is cooperated with a stilling basin, the flowing condition emerged in the basin may be improved greatly and the length and downstream water depth required by the basin can be decreased to a great extent. such an appliance may be also used to solve the problems of insufficiently dissipating water flow energy and aerating flow, which are often faced with those hydraulic engineering constraction as acted by high waterhead, great specific discharge and low froude number

    本文通過齒墩頂部的擴散水舌所形成的附加射流，從上部射入水躍，即可改善消力池內的水流流態，又可降低第二共軛水深，減小水躍長度，增進水躍消能效果，同時還能解決大單寬、低佛勞德數條件下摻氣和消能不足的問題，試驗證實它是一種安全、經濟的消能工。
  2. Non - destructive testing of steel tubes - automatic eddy current testing of seamless and welded except submerged arc welded austenitic and austenitic - ferritic steel tubes for verification of hydraulic leak - tightness

    鋼管的無損檢驗.驗證水密封性能用的無縫和焊接的
  3. Non - destructive testing of steel tubes - part 2 : automatic eddy current testing of seamless and welded except submerged arc - welded austenitic and austenitic - ferritic steel tubes for verification of hydraulic leak - tightness

    鋼管的無損檢驗.第2部分:檢驗液壓滲漏密封性用無縫和焊接奧氏體和奧氏體鐵素體鋼管
  4. The cooling system for engine adopted hydraulic drive and control technology to control the speed of the fan : the chip adjust the control - current of the proportional value, which used in the engine cooling system, to control the speed of the fan. and the size of the control - current is according to the coolant temperature, coolant temperature change rate and target temperature. as for as the hydraulic cooling system we used a motor to drive and control the fan ’ s work or stop according to the temperature of the hydraulic oil

    該系統的特點及其實現的功能為:電液混合驅動方式改變了工程機械冷卻裝置驅動方式單一的缺點，發動機冷卻系統採用了電液比例技術控制風扇轉速;單片機可以根據冷卻液溫度、冷卻液溫度變化率和目標冷卻液溫度調節液壓驅動系統中電液比例閥的控制電流，進而控制液壓油的流量，即可以實現冷卻風扇轉速的連續調節;液壓油冷卻系統採用了電動機驅動，然後由單片機根據液壓油的溫度控制電動機的起動和停止。
  5. Abstract : the structure and the working principle of electronic - hydraulicvalve are analysed and the p - i ( pressure - control current ) characteristic equation of electronic - hydraulic valve is derived

    文摘:通過對電液閥結構與工作原理的分析，導出了電液閥的p ? i （壓力?控制電流）特性方程式。
  6. The progress in recent years on general theory of ecologization for river engineering is summarized ; serial discontinuity concept, environmental flow methodologies and ecological - hydraulic engineering are expounded in detail ; problems existing in current research and distinction between home and abroad are analyzed ; direction for future research on ecologization for river engineering is forecasted

    摘要綜述了近年來河流工程生態化的基礎理論研究進展，詳述了序列不連續體概念、環境流量方法和生態水利工程學，分析了當前研究中存在的問題以及國內外的差距，展望了今後河流工程生態化的研究方向。
  7. This thesis introduces systematically current developing situation of hydraulic engineering and static - dynamic load analysis theory and fea theory

    本文系統地介紹了進水塔結構分析的發展現狀、結構靜動力分析理論、有限元方法及理論。
  8. In consideration of the operational accidents, quality accidents occurring in hydraulic and hydroelectric construction projects in china in recent years, an analysis is performed of the nature and practice of construction inspection as well as the personal responsibility and main authorities responsible for the safety of construction according to the current laws and regulations, inspection norms, and text of inspection contracts, with emphasis placed on the conditions and kinds of personal responsibility and compensation responsibility in construction inspection

    摘要結合近年來我國水利水電工程建設過程中所發生的安全事故、質量事故等問題，分析監理的性質，並根據國家現行法律法規、監理規范、監理合同示範文本等，分析監理崗位責任、施工安全責任主體等。
  9. Based on the current research studies and needs in engineering, presented and discussed the following four fundamental problems of unsaturated seepage were : numerical modeling theories, modeling of rainfall infiltration, initial water content and hydraulic conductivity and its effect on the numerical simulation

    摘要立足於非飽和滲流問題的研究現狀和應用需求，對4個常見的非飽和滲流基本問題進行了論述：非飽和滲流及其數值模擬理論；非飽和降雨入滲及其模擬中的問題；初始水分量及其考慮；土的非飽和滲透特性以及對滲流計算結果的影響。
  10. Hydraulic seeding - part 2 : hydraulic seeding in current agitating - technical requirements

    水力噴射播種機.第2部分:射流攪拌式噴播機.技術條件
  11. In the part of the design of hydraulic loading system, constituting project of the hydraulic loading system of current test bench through comparing and analysing international and national current hydraulic loading projects and working out the pressure and flux of which according to the load and velocity and structure dimension of hydraulic executor - actuator. thus, choosing the power and hydraulic component and designing hydraulic loop

    在液壓加載系統設計部分，通過對國內外常用的幾種液壓加載方案的對比研究，最後確定了本試驗臺的液壓加載方案。根據液壓執行元件? ?油缸的外載荷、運動速度和結構尺寸我們便可以確定液壓加載系統的壓力和流量。
  12. It has adopt the advance cold rolling technology, broadened work bench and center hole is coaxial with spindle, the t - slot fix the clamping device available. the hydraulic current added the regulator to control the riveting speed effectively

    該機應用有第五代擺輾鉚接技術外，同時採用絲桿升降式工作臺機頭部分固定，臺面具有夾具梯形槽，工作臺中心孔徑與主軸軸線同軸，可用於夾具定位。
  13. It has adopt the advanced orbital technology, process by cold rolling, broadened work bench and center hole is coaxial with spindle, the t - slot fix the clamping device available. the hydraulic current added the regulator to control the riveting speed effectively

    該機應用有第五代擺輾鉚接技術外，同時採用絲桿升降式工作臺機頭部分固定，臺面具有夾具梯形槽，工作臺中心孔徑與主軸軸線同軸，可用於夾具定位。
  14. Based on the model experiments, the way how to manage the multi - outlet sluice lock was provided. above all, this hydraulic structure is both efficient and economic than traditional dissipater for the projects of low head & low fr current, it will reserve the abroad practice

    本文認為低鼻坎消力戽和傳統消力戽的適用條件有很大的區別，前者完全可以在布置了電站和船閘且地質條件較差的工程中被採用。
  15. The history review of the hydraulic press for plate punching has been done on the analysis of its current status and suggestions of its future have been put forward

    摘要回顧了國內板沖壓液壓機的發展歷史，對目前的技術現狀進行了分析，提出了未來板沖液壓機的展望。
  16. In this paper, through analyzing and discussing current development of typical hydrostatic drive system of crawlers at home and abroad, it studies property - matching of hydrostatic transmission systems, provides an electronic proportional controlling variable displacement pump - motor hydraulic drive circuit and control plan fit for crawlers " operation, together with typical travel drive system component

    本文對國內外推土機行駛靜壓驅動系統研究現狀進行了分析和綜合，對靜壓行駛驅動系統的性能匹配進行了分析，結合典型行駛驅動系統的組成、工作原理提出了適合推土機工作的電比例控制變量泵-變量馬達液壓驅動迴路及其控制方案。
  17. Using stable heat transferring theory, a thermo hydraulic model has been built, which has considered the influence of the core temperature and cooling hydrogen temperature. and bring forward a modifying method, which let the model can be used in the varying winding current condition

    在此基礎上本文提出了溫度傳遞延時的修正方法，使基於穩態傳熱的溫度水力模型可以應用到定子電流發生變化的情況，解決了定子電流變化時模型精度差的問題。
  18. In order to solve the problems that large energy consumption, temperature variation, high, cost trouble maintenance in current electro - hydraulic servo control system for material testing machine, a new design scheme that electro - hydraulic proportional control system for material testing machine based on extension control strategy is proposed. the design scheme is successful by means of designing new main frame system, hydraulic cylinder system, digital electro - hydraulic micro - fluid proportional valve and electrical control system, and its results lay a foundation for material testing machine industries in our country

    針對國內外材料試驗機主要採用電液伺服控制系統，存在能耗大、溫升、成本高、維護困難等問題，本課題提出了基於可拓控制策略的材料試驗機電比例負載適應控制系統這一新型研究方案，通過開發新型試驗機主機系統、液壓缸系統、數字式微小流量電液比例流量閥及電控系統，實現了材料試驗機電液比例負載適應控制，為我國材料試驗機自動控制系統的產業化打下了基礎。
  19. Based on the hydraulics series model experiments of the t type barrier stilling basin, the paper gives a full exposition to changing process of the current ' s flow regime of the t type barrier stilling basin and discloses the flow regime characteristics, the theory of energy dissipation, the shape optimization choice, the method on hydraulic design parameter and programme. what ' s more, it provides the expression of mathematics and key of the t type barrier stilling basin

    本文通過t形墩消力池的水力學系列模型試驗，完整地闡述了t形墩消力池水流流態的演變過程，揭示了t形墩消力池的流態特性、消能機理、體型優化選擇以及水力設計參數方法及程序，並給出了t形墩池界限水深的數學表達式及解。
  20. Based on studies on current developments of the material testing machine control system, a new project about electro - hydraulic proportional control system for material testing machine based on extension control strategy is proposed. after a lot of creative projective basic and systematic study on control system of material testing machine, many important conclusions have been drawn

    論文根據目前國內外材料試驗機控制系統的現狀，確立了「基於可拓控制策略的材料試驗機電液比例控制系統的研究」這一研究課題，圍繞材料試驗機電液比例控制系統這一研究對象，進行了具有創新性、基礎性、工程性及系統性的研究工作，獲得了許多重要結論。
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