水力參數方案 的英文怎麼說
中文拼音 [shuǐlìshēnshǔfāngàn]
水力參數方案
英文
hydraulics program- 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...
- 參 : 參構詞成分。
- 數 : 數副詞(屢次) frequently; repeatedly
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 案 : 名詞1 (長桌) table; desk 2 (案件) case; law [legal] case 3 (案卷; 記錄)record; file 4 (提...
- 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
- 方案 : scheme; plan; programme; project; proposal; suggestion; formula; scenario; outline
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And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。Based on the dynamic frame of mm5 and reisner 2 explicit cloud scheme, a new double - moment microphysical scheme was developed, in which both the mixing ratios and number concentrations of cloud water, rain water, cloud ice, snow and graupel were predicted
從本質上說,該方案預報的僅僅是粒子的比含水量。在mm5動力框架內,在其中的reisner2方案基礎上採用雙變參數方案,增加了雲水、雨水、雪和霰的數濃度預報方程。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析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力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,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水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水流水力計算方法,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力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水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、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力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。Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection
本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中水汽衰減效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達反射率的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的能力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能力,未來測雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。Mm5 has a ability of simulating zwd on the whole with a bias larger than zhd ' s, which manipulates the bias of ztd simulation. the increase of mm5 resolution can improve the ability of simulating and depicting zhd, zwd and pw distribution. kf, bm and grell parametric schemes have a close ability of simulating pw at the beginning of 10 - 11h integration of mm5 model, and then the prediction bias of pw increases obviously after 20 - 21h integration
在mm5模式24h積分的前10 11h ,選用kf 、 bm和grell三種積雲參數化方案模式對可降水量的預報偏差基本接近,對可降水量具有較好的預報能力,其後三種積雲參數化方案對可降水量的預報偏差差異增大,模式積分至20 21h后對可降水量的預報能力明顯減小。So the methods of design and computing about limit condition of bearing capacity is still adopted in present criterion. under the precondition of meeting the demand of construction ' s using function, the main content that is researched in this article is how to make the scheme of mixed soil - cement piles composite ground on the safe side economical and reasonable, according to the rule of the design for deformation control the article, which is based on formers " theory and practice, combining with the example of engineering, utilizing the tool of matlab. 5. 0, using optimizing by plural modality method, makes a primary discussion on the design parameter of the scheme for mixed soil - cement piles composite ground, according to the rule of the design for settlement controlment method
在現行規范中仍然採用的是承載力極限狀態設計計算方法。在滿足建築物使用功能要求的前提下,如何按照變形控制設計的原則,使得水泥土攪拌樁復合地基方案更加安全可靠、經濟合理,是本文研究的主要內容。本文在總結前人的理論和實踐成果的基礎上,結合工程實例,利用matlab . 5 . 0工具,採用復形調優法,按沉降控制設計原則,對水泥土攪拌樁復合地基方案設計參數的優化進行了初步的探討,得出了一些有益的結論,對工程實踐具有一定的指導意義。The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model
非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明: 「開關」變量保持與基態一致,所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似,伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向;郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度; 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。( 2 ) the method of finite element discrete and optimal parameter back analysis is adopted. ( 3 ) concentrated on the question of high external water pressure of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied. ( 4 ) based on jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward
( 2 )採用有限元離散?優化法進行參數的反演分析; ( 3 )針對深埋隧洞的高外水壓力問題,進一步分析和研究了襯砌水荷載及外水壓力的作用機理和計算方法; ( 4 )以錦屏二級水電站深埋長引水隧洞作為本文的主要研究對象,採用考慮降雨入滲滲流場分析的方法對排水方案和灌漿封堵方案不同情況下的滲流場的水頭分佈進行了數值模擬,並對其外水壓力進行了分析和研究,提出了滲流控制的具體措施。Based on the analysis of the forms and facilities of the scwr system, the status of scwr was investigated in the industry of printing and dyeing. two projects of scwr system were brought forward and the thermal economics of the scwr system was studied
首先對印染企業的冷凝水回收進行調查研究,提出了兩種蒸汽冷凝水回收方案,對兩種回收系統進行了管路水力和熱力計算,確定了系統各點的熱力學參數。In this paper, starting with the physical mechanics of land surface hydrologic process and the introduction of the theory in probability statistic distribution, an analytical expression of heterogeneous evapotranspiration efficiency is given which takes heterogeneous soil water content ' s subgrid scale spatial variability into account, through which the parameterization scheme of subgrid scale soil surface ' s evapotranspiration efficiency ( which is generally called mosaic method ) is modified to a statistic - dynamic scheme in which a whole heterogeneity of the grid region is considered
本文從陸面水文過程的物理機制出發,引進概率統計分佈理論,推導出一種由非均勻土壤含水量次網格尺度空間變率所形成的非均勻蒸發散率解析表達式,從而將通常的次網格尺度地表蒸散率的參數化方案( mosaic方法) ,改進為考慮網格區整體非均勻性的統計-動力參數化方案。The function of the software is useful, it has provided many functions such as the calculate of crop water requirement, pipeline layout ( automatic layout and manual operation ) and its optimization, pipe diameter optimization. investment budgetary estimate and economic beneficial result can be result. and can rapid create plan and do plan comparison, the software provides many kinds of result output such as graph. text, table and so on
該系統可以實行作物需水量計算,系統設計流量推算、管道水力計算、工程投資概算,經濟效益分析等功能,建立了常用的數據庫(管材、管件、水泵和電機等)並對其進行管理和維護,可以實現包括管道布置、管徑優化、管材選擇等多種參數選擇在內的多種方案比較、優選。系統能提供圖形、文本、表格等多種形式的成果輸出,人機交互界面友好,操作方便。First, it emphasized project background, market of urban sewage treatment equipment, producing scale, factory address, construct condition and technique scheme. secondly, it estimated the total investment, evaluated the making - profit ability, discharging ability and finance risk according to the finance system of our country and the methods of economic evaluation, analysed the benefit of the project. finally, it drew a conclusion and brought forward some suggestion to the project owner
本項目著重對項目背景、城市污水處理設備的市場和建設規模、選址和建設條件以及項目的工程技術方案進行可行性研究,並對項目總投資進行估算,按國家現行財稅制度、建設項目經濟評價方法與參數,對項目的盈利能力和、清償能力和不確定性進行了測算評價,分析了項目的經濟效益,最終提出了結論和建議供業主決策。Whether in the aspect of total rain days or total rainfall amount in a year, ya ' an is always an extreme range, which has been called " ya - an - tian - lou " in chinese. the predicted average physical structures in the raining process are as follows : ( l ) positive vortex and convergent center in the lower and middle troposphere and negative vortex and divergent center in upper troposphere ; ( 2 ) the superposition of the low layer zonal - vertical circulation and the up layer zonal - vertical circulation forms a strong upward current
從6種不同方案對暴雨過程預報的實驗看,不同的邊界層參數化方案對雨帶特徵的模擬都具有一定的能力,同時模式模擬的降水對參數化方案的選取是敏感的,不同的參數化方案模擬出的降水范圍和雨量分佈有所差異,主要表現在降雨量中心強度及雨區分佈上。The thesis introduces the biot ' s three - dimension consolidation theory based on absolute linear - elastic theory ; the thesis designs the pit dewatering scheme of hand - dug piles support of shenyang subway ' s shenyang station construction ; the thesis uses finite element program to simulate the influence on around environments caused by pit dewatering, and finds the change laws of earth mass inner stress and the effect parameters on the surface deformation on the basis of reasonable hypothesis and the analysis of ground water exploitation progress. combined with stochastic medium theory, the thesis introduces dewatering subsidence coefficient, sets up the predicting model of the surface deformation caused by dewatering, and develops the computing program ; by application of program on a single well of underwater exploitation, it is proved that the program is feasible, so the prediction of the surface deformation caused by underwater exploitation is realized
本文介紹了基於線彈性本構關系的biot理論;設計了擬建沈陽地鐵沈陽站點人工挖孔樁支護施工的基坑降水方案;利用有限元程序,模擬了基坑降水對周圍環境的影響;在合理假設的基礎上,分析了地下水開采過程中,地層應力的變化規律,找到了影響地面變形的參數;與隨機介質理論相結合,通過引入采水下沉系數建立了地下水開采引起地面變形的預計計算模型,並編制了電算化程序;通過某單井開采實例驗證了該方法的可行性,實現了地下水開采引起地面變形的預計。All these method have been compared from several aspects, such as technical reliability, work time, costs and site construction, then the high - pressure sprinkling grouting technology and the vibroflatation process are decided as the methods of reinforcing the xiacouba reservoir
經方案比較,下口壩水庫大壩穩定處理採用振沖加固方案,大壩防滲處理採用高壓噴射灌漿方案。對應該處理方法的物理力學參數取值進行了研究。This thesis proposes a novely approach to recognize proper nouns and the recognition system is realized based on the approach. the system is tested on several groups of data, and the results show that the performance is satisfactory, and the open test results also show that the system ’ s capability of recognizing proper nouns is of great
文章提出了一個識別專有名詞的方案,並且根據此方案實現了一個識別系統,同時進行了多項數據試驗,對專有名詞的識別研究具有一定的參考價值;開放測試的結果也表明,該系統的專有名詞識別能力也達到了較好的實用水平。According to orthogonal design, the value levels of the mechanical parameters were chosen, and simulation schemes were arranged ; the related analytical samples for neural network were given by flac ( superscript 2d ) calculations ; rbf neural network was trained ; the physical and mechanical parameters of an open pit slope were analyzed backwards by well - trained rbf neural network and surveyed data about spot displacements
按照正交設計要求,選定反演參數的水平,確定數值模擬方案;用flac (上標2d )差分程序計算得出相應的神經網路分析樣本;對rbf神經網路進行訓練;利用現場監測位移,對某露天礦邊坡巖體的力學參數進行神經網路反分析。分享友人