水力離析 的英文怎麼說

中文拼音 [shuǐ]
水力離析 英文
hydraulic classification
  • : 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...
  • : 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...
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
  1. Because of its extensive application and underdeveloped research level in our country, this paper establish the numerical model of blank cartridge ejecting device, the whole process from blank cartridge burning to eject missile is analyzed by classic interior ballistic theory and gas dynamics. several simulation examples are given, and the effect of different parameter structure on ejecting device is discussed

    鑒于這類系統在我國的廣泛應用與相對滯后的研究平,本文針對三種類型五種型號的掛彈鉤建立了拋放彈彈射機構的數學物理計算模型,用經典內彈道和氣體動學理論分了火藥彈燃燒到彈射活塞完全推懸掛物的整個過程。
  2. Analyze and sift candidates ' information including candidates ' present station, negociation ability, the possibility and motivation of demission, salary standard. then select proper candidates accorded with the requirement and arrange interview

    對所有接觸到的候選人信息進行分、過濾,包括候選人的崗位現狀、溝通能職可能性與動機、薪酬準等,篩選出基本符合要求的候選人,並安排面試。
  3. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally

    本文分了國內外電站自動控制裝置的研究和發展狀況,尤其是國內小型電站的自動化現狀,針對現有電部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對電站內各種模擬參數和數字信號的實時監測功能,還對輪發電機組進行了調控,通過與上位機處理程序的配合,可以實現電站的自動發電控制、機組順序啟停;在測量發電機組機端電壓和電流參數的時候,採用32點散傅立葉演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。
  4. Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high

    通過對撞針型結構、心式結構、較高的噴、較小的噴嘴孔徑、噴初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分,得到:撞針型高壓小孔徑心式噴嘴具有較大的空氣渦與霧化角,噴出的液體流速高、液滴小、與空氣傳熱傳質速率高,撞針型結構提高了霧化加濕效率,高壓小孔徑的特點為霧化加濕提供了較大的能量,而噴初溫的升高會減小的粘性和表面張,從而優化加濕效果。
  5. Strain bl21, and gene expression was induced by iptg. the target proteins were directed into the periplasmic space by the staphylococcal protein a signal sequence preceding the rgd - hirudin gene. using ion exchange chromatography and gel filtration chromatography, the chimera proteins were purified, and both of them showed a single band in tricine - sds - page. the results of activity analysis suggested that these two chimera proteins not only have antithrombin activities, but gain platelet aggregation inhibitory activities as well

    通過子交換層和凝膠過濾層分別對兩種嵌合體蛋白進行純化,純化產物在tricine - sds - page中都顯示為單一條帶。活性分結果表明兩種嵌合體蛋白在保留蛭素抗凝血酶活的同時,還呈現抗血小板聚集活性。
  6. Characteristic centrifuge parameters in cascade hydraulics

    心機特性參數的學分
  7. Reason and balance method of the axial propulsive force of the centrifugal pump

    心式泵產生軸向推的原因及其平衡方法
  8. The binders has supper fluidness 、 bonding capacity 、 water retentivity 、 filler properties, no segregation, no bleeding and supper mechanical properties after harden. it is one of high performance concrete. japanese have been researched self - compacting concrete from 1987, and used more than 1. 2millions litres

    其拌和物具有良好的流動性、粘聚性和保性,要求填充性能優異,不、不泌且硬化后具有良好的學性能,屬于高性能混凝土( high - performanceconcrete )的一種。
  9. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分對旋流式豎井泄洪洞應用於高頭、大泄流量情況時存在的一些學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能有了總體認識;四、對豎井下部消井的合理井深進行了優化試驗研究,發現消井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高頭、大流量條件下,豎井空腔段下部流速很高,盡管流螺旋運動引起的可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  10. The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier

    本文採用兩相流連續介質模型,由兩相分流動理論得到控制方程,採用chorin的直接速度-壓mac法的思路,對新型油裝置內油兩相流動作了細致的分,同時首次把科氏慣性引入兩相流模型中,進行分和計算,將研究擴展到三維,並用有限元法分別解poisson方程、 n - s方程、連續方程的方法,對流場內壓場、速度場、濃度場進行了分和計算,較好地模擬了新型油裝置內油的現象,證明了設計方案的正確性。
  11. In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design

    第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分,給出了心泵葉片型線的參數方程;它是以葉片安裝角為參變數,以引入的速度系數k _ v作為中間因子,將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實,在心泵葉片型線的設計過程中,它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能,或者說,心泵型線的設計是其設計的核心。
  12. His strength and discipline preserved cohesion in the executive branch and helped the government to traverse watergate without totally disintegrating.

    他以他的量和紀律性,保住了政府機構內部的團結統一,並協助政府渡過門危機,免於分崩
  13. In this paper, the crystal structure of montmorillonite is introduced and the purification methods ( including gravity separation, hydraulic classification, flocculation, centrifugal separation and chemical purification ), the purification principles and purification effectiveness of the methods were summarized

    摘要總結了蒙脫石的各種提純方法及其試驗原理和提純分效果,主要涉及重選礦、、絮凝法、心分和化學提純。
  14. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    ( 2 )採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗,通過模型位、比降、流速、出口流量過程線和斷面挾沙試驗資料的分,闡明了時間變態引起上述各種參數偏的主要物理原因:模型的槽蓄響應和洪過程時間變化率的響應滯后。
  15. The hillslope erosion processes include soil separation, sediment transport and sediment precipitate, which these three process result from the rainfall splash erosion and runoff erosion. to study and analyze the happening and developing conditions of hydraulic, soil and terrain, and the mechanisms of transitions and influences of these processes each other is the prerequisite to set up physical model of soil erosion

    坡面侵蝕過程包括降雨濺擊和徑流沖刷引起的土壤分、泥沙輸移和沉積3大過程,研究和分這些過程發生、發展的、土壤、地形條件以及各過程間相互轉化、相互影響的機理,是建立土壤侵蝕物理模型的前提條件。
  16. To best achieve the working performance of the said concrete, with the help of theology theory in the research, we have analyzed the principle of free - vibration densifying and shaping of mixed concrete, that is, with the perquisite of fluidity, the concrete should have good property of filling - up - space, penetration through voids of fixed steel reinforcement, adherence and prevention from losing water and segregation, and the conflict between anti - segregation and deforming capability should be sorted out

    為得到自密實高性能混凝土的最佳工作性能,在研究中藉助流變學理論,分研究了混凝土拌合物免振搗成型和密實的機理,在大流動性的前提下,要求混凝土具有良好的填充性、鋼筋間隙通過性和粘聚性,防止泌,解決變形能與抗性能的矛盾。
  17. This paper deals with high fluid concrete in which high strength ceramsite made from shale was used as coarse aggregate. effects of cement content, water - cement ratio, sand percentage, mineral admixture, grading and pretreatment of lightweight aggregate on compressive strength and workability of high fluid structural lightweight aggregate concrete have been studied. the rules of water absorption of high strength lightweight aggregate under different pressure and effects on uniformity of high fluid structural lightweight aggregate concrete have been studied too

    本文採用高強頁巖陶粒,摻加高效減劑配製大流動性結構輕集料混凝土,討論了泥用量、灰比、砂率、礦物摻料及輕集料的級配和預濕方式對大流動性結構輕集料混凝土強度和工作性的影響;系統研究了高強陶粒在常壓和壓下的吸規律;研究了影響大流動性結構輕集料混凝土勻質性的因素,提出了解決大流動性結構輕集料混凝土分層的具體措施。
  18. In this paper, the so preparing self - compacting concrete with low and middle strength using super fine mountain sand artifical sand and phosphorus slag is studied systemically. through the study the influence of the shape, the proportion of the dust and the grade of sand to the workability and the mechanical property of self - compacting concrete, it is found that super fine mountain sand artifical sand are not suit to prepare low and middle strength self - compacting concrete, but when they are combined and the additive and assistant band material are used, c20 - c40 high performance self - compacting concrete is prepared ; the corresponding additive is developed to solve the delamination caused by the low proportion of banding material ; the evaluating system for the workability of low and middle strength self - compacting concrete is built ; the controlling method for production, construction and curing was set up. and the result of the research is applied into several projects

    通過分特細山砂和機制砂的顆粒形態、粉末含量、顆粒級配等特性對自密實混凝土的工作性能和學性能的影響,發現特細山砂、機制砂不宜單獨用於配製中低強度等級自密實混凝土,宜將特細山砂和機制砂進行合理復配,並選擇合適的外加劑和礦物摻合料,優化配合比設計,可生產c20 c40中低強度等級自密實高性能混凝土;研製開發出了具有高效減、保塑、抗功能的外加劑,有效解決了中低強度等級自密實混凝土由於膠凝材料用量少而出現的、泌問題;應用正交設計方法,對因素和平進行合理選擇,確定了生產中低等級自密實混凝土的最優配合比;建立了中低強度等級自密實混凝土的工作性評價體系;提出了生產、施工及養護的質量控制技術方法。
  19. The computations are shown to agree well with available experimental and numerical data and the physics of 3d large - scale flow separations and vortex shedding are confirmed. the simulation of the flow around a maneuvering wigley hull is a demonstration of capability for calculations of sway forces and yaw moments acting on a hull moving obliquely at a large range of yaw angles. the focus of study is large - scale cross - section separation flows, bilge - vortex development along the hull in the longitudinal direction and their effects on hydrodynamic forces

    應用所開發的求解器,以wigley船型為算例計算了大角度斜航船體粘性流場和,分了漂角的變化對船體所受到的粘性的影響,相當精確地預報了以橫流分和般渦生成與泄出為特徵的操縱運動船體特有流動形態及橫向和轉脂矩,經與現有試驗和計算數據比較,檢驗和驗證了該求解器精確模擬繞斜航運動船體的大尺度分流動和計算非線性的能
  20. By adopting surface molding to obtain solving region and then carrying out numerical calculation and analysis of flow field in centrifugal pump, accurate remodification information is obtained and optimized impellers which have excellent fluid dynamics capacity is schemed out

    採用曲面造型得到計算區域,通過對心泵葉輪內部流場的數值計算與分,為心泵優化設計提供準確的修改意見,設計出性能優異的葉輪。
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