水動力效率 的英文怎麼說

中文拼音 [shuǐdònglìxiàolǜ]
水動力效率 英文
hydrodynamic efficiency
  • 水 : 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...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  1. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  2. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果，探索在水力計算方面的新途徑以促進lb方法實用化的發展，本文進行了下列研究工作：綜述了lb方法在理論研究和實際應用方面的新進展，以及d2q9模型的推導過程和其他一些常用的模型；在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法，它綜合了上述兩種邊界條件的優點，在流場的各種邊界處理中取得了非常好的效果，經過模塊化的處理以後這種邊界條件具有更好的實用性；針對均勻網格的lb方法計算效率較低的不足，提出了雙重網格的latticeboltzmann方法，通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬，證明這種方法能夠明顯地提高流場模擬的計算效率；此外，根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法，利用lb方法的計算特性實現塊與塊之間的數據交換，充分利用計算資源提高計算效率，通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬，展示了這種演算法的特徵和優點，以及它所具有的應用前景。
  3. In addition, the trajectories of oil droplets entering the hydrocyclone were computed by using the particle obit model. thereby the separation efficiency of the hydrocyclone can be obtained

    另外，本文用顆粒軌道模型計算了進入水力旋流器的油滴顆粒運動軌跡，在此基礎上，得出了水力旋流器的分離效率曲線。
  4. The specific measures can be put forward as follows : firstly, with the aims of improving the level of individual specialization, more emphasis should be put on deploying and training human resources, improving labor quality and their expertise ; secondly, in order to enhancing internal labor division level in west china, it should take an active participating in the labor division both at home and abroad. west china should also make full use of its geographical advantage to develop trade in border area, take part in domestic labor division actively and hence promote the reconcilable development in west china and east china ; thirdly, to decrease transaction cost and improve transaction efficiency in west china, it is necessary to build and strengthen the market transaction system and better facilities of infrastructure

    進而提出了西部地區發展對外貿易要以分工優勢理論為指導，並提出了如下措施：加大人力資源的開發與培養，提高勞動者素質和專業技能，以提升個人專業化生產水平；積極參與國際、國內分工，尤其是充分利用區位優勢，大力發展邊境貿易和積極參與國內層面的分工合作，促進東西部的協調發展，以提高西部地區的內部分工水平；建立健全市場交易體系，改善基礎設施，以降低西部地區的交易費用和提高西部地區的交易效率。
  5. There were no visible morphological change in water hyacinth exposed to a mixture of ethion, dicofol, fenvalerate, fenpropathrin, deltamethrin, and cyhalothrin with the concentrations of 0. 01 mg / l, 0. 1 mg / l, and 1 mg / l, but the fresh biomasses were increased by 49. 79 %, 40. 34 %, and 83. 88 % respectively compared to those planted in water solutions without pesticides

    植物在5mg kg三氯殺蟎醇及50mg kg和5mg kg樂果的環境中生長良好。動力學研究結果表明，植物對有機農藥的凈化過程符合一級動力學反應。鳳眼蓮對水溶液中有機農藥的凈化效率很高。
  6. By introducing the latest german technology, with the ouststanding design & manufacturing capability of asg, a kind of full automatic stretch bootle blowing machine has been devel - oped there are two model of option, model sy - 20, which can form 2, 000 bottles per hour and model sy - 40, which can form 4, 000 bottles per hour. the devices adopt the inductive control with high performance and special designed bi - arm interlocked mold operation, which feature lower failure rate, higher efficiency, easier service and compact structure

    引進德國最新技術，憑借星a卓越設計能力和製造能力，製造出了具有國際先進水平的全自動拉伸吹瓶機。現有cp - 20型每小時吹瓶2000個和cp - 40型每小時吹瓶4000個2種型號可供選擇。高性能的感應控制，特殊設計的雙臂結構鎖模動作，故障率低，效率更高，維修更方便，節約佔地空間。
  7. On the basis of the characteristic of the industry waste slag, which is high added to the hsfab, different kinds of catalyzing methods are adopted to make the waste residue more active. the additive f, developed by the author can obviously improve the mechanics characteristic and durability of hsfab, especially the restraining of the drying shrinkage. based on the study of technics parameters and the problems in the manufacture, hf - 1100 series full - automatic hydraulic pressure wall brick presses is chosed to solve the problems, such as low molding pressure, low efficiency and the certified product ration

    在hsfab的研究方面，通過兩種體系hsfab （即「水泥?鋼渣?粉煤灰?爐渣」和「石灰?鋼渣?粉煤灰?爐渣」體系）的配方優化設計，使之具有良好的社會、經濟和環境效益；在高摻量工業廢渣的前提下，根據各種原料的特性，對其採用不同的活化技術，使其具有較高的活性；自研的外加劑f ，對hsfab製品的物理力學性能和耐久性能均有明顯的改善作用，尤其是對製品的乾燥收縮性能有顯著的抑制作用；通過對工藝參數的研究，結合實際生產普遍存在的問題，選取了hf - 1100系列全自動液壓墻體磚壓機，有效地解決了傳統制磚過程中常見的成型壓力低、生產效率低、產品合格率低（即「三低」現象）等問題。
  8. Aiming at the problem that existence in the monitoring of simulate disk in local power grid, to enhance the level and efficiency of the electricity dispatch, to improve operation procedures, to change the troublesome work about 6kv line simulation disk, 35kv transformer substation and 6kv substation host cording diagram revision and maintenance from man - power, manual promotion to direct - viewing, real - time and work flow high automation level

    針對地方電網「模擬盤」監視中存在的問題，為提高電力調度工作水平和效率，完善操作規程，把煩瑣的6kv線路模擬盤、 35kv變電所和6kv配電所主結線圖的修改和維護工作從人工、手動提升到直觀、實時和工作流程高度自動化水平，實現電力調度日報、月報及日常管理實現規范化、自動化。
  9. Comparing with the stockjobbers outside, although we can also enjoy the same treatment with others, we are still too weak even from the capital size capital strength managerial mechanism managerial efficiency to the stuff of talented person along with entering the wto, our stock market will completely be opened, abroad stockjobbers will threaten our stockjobbers seriously when they are familiar with the operations of our lacal ones, however, we can also obtain more and more opportunities at the same time : the market of our local stockjobbers will become wider from local to international capital market, it can advanced the speed of our local securities industry to improve the system conditions, to renovate manage system, to ameliorate the technic measures, to enrich the xervice breeds ; besides, it can also drive us to adjust the economica l structure, optimize the station of resource, transform the manage mechanism, all of these will provide a wider space for the local stockjobbers after entering the wto, the main develop trends of local stockjobbers are express at : invest - banking operations will become more important, the broking competition will be more fury, the property management will become the rising point of new profits of us

    雖然按對等原則，我國證券業也可以進入其他締約國金融市場並享受該國資本的同等待遇，但與境外券商相比，境內券商無論是在資產規模、資金實力、管理機制、經營效率，還是人才素質上，都無法與之抗衡。加入wto后，證券市場終將全面開放，國外證券公司在熟悉中國證券市場的操作后，將對國內券商的業務構成嚴重的威脅，以往國內券商發展業務的許多手段都將很快失靈，從而對券商的經營思路和發展戰略產生深刻的影響。然而，加入wto也使我國證券業獲得了更多新的發展機遇：將使國內券商的生存發展空間進一步拓展到國際資本市場的大舞臺；將從外部促使中國證券業向著市場化、規范化和多功能化的國際證券業發展趨勢快速推進，從而使證券業發展的制度環境得以改善；將促使我國券商更新管理體制，提高管理水平，改進和創新技術手段、業務方式和服務品種，提升競爭層次；此外，加入wto還將推動我國的經濟結構調整、資源優化配置和企業經營機制轉換，為券商開拓業務和進行各種創新活動提供了了廣闊的空間。
  10. It adopts industry economics theories, such as, industrial organization theories industrial relation theories and industrial layout theories, after systematic analyzing our national s & t resources allocation and the basis of the construction of national research & experiment platform, it proposes constructing national research & expe riment platform both in basic and applied research fields and more, formulates the platform definition, structure and functions and so on. meanwhile, by utilizing experience of developed country s & t resource allocation, it also research the thoughts, principles, ways methods and direct output efficiency estimate in s & t activities of the platform. it aims to offer operatively realization methods and policy proposal as well as realization qualitative development and shorten the distance to the international advanced s & t level

    本文正是在這樣的背景下針對我國科技基礎條件薄弱，從而造成我國原始性科技創新能力和集成創新能力不足的現狀，利用產業經濟學中的產業組織理論、產業關聯理論、產業布局理論，深入系統分析了我國科技資源及其配置、國家研究與實驗平臺建設的現實基礎，提出了在基礎研究和應用研究的學科領域建設國家研究與實驗平臺的設想，並對平臺的內涵、結構、功能等做出界定，借鑒發達國家科技資源配置的經驗，對我國研究與實驗平臺建設的思路、原則、途徑和方法，以及平臺的科技活動直接產出效率評價等進行研究，以期對實現我國科技的跨越式發展，縮短與國際先進科技水平的差距提供可操作性的實施方案和政策性建議。
  11. The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically

    改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能，大大提高了實驗臺的工作效率、測試精度和智能化水平。
  12. Tys165 bulldozer is of power shift, hydraulically controlled and track - type. it features good performance, flexible operation, good quality, high efficiency, especially used in waterlogged area

    Tys165推土機系液力機械傳動、液壓操縱、低比壓履帶推土機。該機性能優良，操作靈活方便，質量可靠，工作效率高，特別適合沼澤地和含水量比較高的松軟地帶使用。
  13. After researching the part thermal equipments and systems include heaters, steam leakage and receiving systems, low pressure drain system etc, and computing the efficiency of the systems, find out the better choice of the imported assemblies than the domestic assemblies in parameter and the disfigurements in design and making. based on the above, point out the measure to progress them. according to the analysis, we can get some measures to increase the economical level of the systems and save more energy

    對局部熱力設備及熱力系統進行分析研究，包括:加熱器設備、漏汽及回收系統、低加疏水系統、主、再熱蒸汽系統以及凝汽器等部位；並計算汽輪機本體高、中、低壓缸效率，藉此著重對汽輪機通流部分進行了剖析，找出國外進口機組動、靜葉柵、葉型的選擇比國產機組先進性以及國產機組在通流部分設計和製造中的諸多缺陷，並且指出了改進的方向，為機組提高熱經濟性、節能降耗奠定了理論基礎。
  14. It has high accuracy, good technology, save on energy and material, high efficiency and is an ideal pressure welding device of stainless sandwich bottom cookware, its technical performance reach the advanced level of international in the same products in 90 s

    整機採用全行程制動並設有光電保護裝置，具有精度高工藝性好節能節材效率高等優點，是理想的不銹鋼復底鍋壓力焊接設備。產品技術性能達到90年代國際同類產品的先進水平。
  15. However, excessive tax competition may weaken the effectiveness of the tax incentives, hence incuring welfare loss ; ( ii ) in a non - cooperation tax competition equilibrium, it turns out that tax rates are set too low to fiance an efficient level of public expenditure, especially lowers the provision of the public goods benefiting residents ; ( iii ) competition for capital means the revenue from capital income taxation declines. in order to maintain the necessary public expenditure, the government would shift tax burden towards the more immobile labor, which may arouse the inequity issues on redistribution. chapter 3 : " the strategy of international tax competition and optimal capital taxation.

    但過度的稅收競爭反而會減弱稅收激勵政策的有效性，降低一國福利水平；其二，在非合作均衡狀態下，國際稅收競爭使所有國家的資本課稅都維持在缺乏效率的低稅率狀態，從而不能獲取足夠的財政收入，導致公共產品提供不足；其三，旨在吸引資本流入的稅收競爭，普遍降低了對資本所得的課稅，但政府為了獲取足夠的財政收入以維持正常的支出，會將本來由資本承擔的一部分稅負轉移到流動性較弱的勞動力身上。
  16. Developing vocational education in a large scale is an effective way to transform manpower resources into talent advantage, and in addition, the only way to change the condition of china ' s backward productivity in an overall level and enhance economic power and increase comprehensive national strength

    大力發展職業教育是把人力資源轉化為人才優勢的有效途徑，是改變我國勞動生產率總體水平比較落後的狀況，壯大經濟實力和提高綜合國力的必由之路。
  17. Understand mechanism and affecting factors of aeration, grasp measurement process of oxygen transfer capability, and evaluate oxygen transfer efficiency and dynamical efficiency

    理解曝氣充氧機理及影響因素，掌握曝氣設備清水充氧性能的測定方法，評價氧轉移效率和動力效率。
  18. The effect of hydrodynamics on the algal growth rate is mainly studied herein based on the analysis of the algal growth mechanism and the measurement data of the daninghe river which is a branch of three - gorges reservoir, and then an empirical formula of the algal growth rate related with water velocity is proposed for the daninghe river ; which can be used to predict the change status of the eutrophication of the branch when the water velocity is decreased with the increase of water level of the three gorges reservoir

    基於國內外對氣候條件和營養鹽條件對藻類生長速率影響研究成果基礎上，採用機理分析和實際案例分析相結合的方法，重點探討了以流速為表徵要素的水動力條件對藻類生長速率的影響特點，並且以三峽庫區支流大寧河為例，初步建立了流速對藻類生長速率影響規律的經驗關系式，為預測三峽庫區富營養化演變態勢提供基礎，進而為有效防治富營養化提供技術支撐。
  19. At the same time, according to the original parameter of pneumatic pump, the efficiency and flux of the pump have been theoretically amalyseed and calculated, and after that the waterpower of the water wheel has been designed

    同時，根據風動水泵的原始參數，對水泵的效率、揚程和流量進行了理論分析計算，並進行了水輪的水力設計。
  20. The capability and effectiveness of marine police in combating illegal sea - borne activities have been further enhanced with the delivery of two state - of - the - art vessels this year

    隨著警方今年引入兩艘嶄新先進的警戟系列分區巡邏警輪，水警打擊海上非法活動的效率及能力獲進一步增強。
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