特徵水力參數 的英文怎麼說
中文拼音 [tèzhǐshuǐlìshēnshǔ]
特徵水力參數
英文
significant hydraulic parameter- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 徵 : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
- 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
- 特徵 : characteristic; feature; properties; aspect; trait
- 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
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The variation rule of strength parameters associated with the matric suction were studied
分析了強度參數隨吸力的變化規律和廣義土-水特徵曲線的合理性。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。Soil hydraulic characteristic parameters can be estimated accurately using the pedo - transfer functions ( ptfs ) depending on soil fundamental parameters which are easy to get such as grading of soil, organic content and bulk density. pedo - transfer functions ( ptfs ) have been developed by two methods in this paper with data measured at keerqin sandy land
然而可以通過容易得到並能保證試驗精度的土壤基本物化特徵參數,如:顆粒級配、有機質含量和土壤容重等,利用土壤傳遞函數( ptfs )可以較準確地估算出土壤水力特性參數。The results showed that the capability of reaumuria soongorica in seed actual reproduction and artificial restoration was positively correlated with disturbance levels ; the capability of restoration varied with the characteristics of disturbance factors, of which water was the key factor
結果表明,紅砂種子更新恢復能力與干擾水準呈正相關;干擾因數的特徵不同,則更新恢復能力不同;尤其水分因數參與對紅砂種群的自然更新與人工輔助恢復起著關鍵性的作用。By low - cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation. lastly, based the data got from the test, this paper analyses and value the seismic behavior of every members
在試驗基礎上,研究了軸心受壓構件的承載力計算和穩定問題;研究了低周反復水平加載條件下,彎剪構件和整體空心墻板的強度、變形、能量特性;軸壓構件的荷載特徵值;彎剪構件和整體空心墻板的滯回曲線、骨架曲線、延性等參數;從強度、變形和能耗等方面判別和鑒定各構件的抗震性能,對各個構件給出了試驗的結論、評價。Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived
該程序可以對桿、梁結構橫向彎曲振動的實數、復數的孤立和重頻特徵值問題進行攝動分析和靈敏度分析,特別是適合於轉子動力學系統特徵值和特徵向量問題的攝動分析和靈敏度分析; 2 、用攝動riccati傳遞矩陣方法解決了某電站鍋爐給水泵轉子的參數識別及動力模型修改的問題,並給出了該種型號的給水泵轉子的更準確的力學模型,為進一步的轉子動力學分析與設計奠定了可靠基礎; 3 、給出了攝動理論在相關領域如隨機特徵值分析、隨機振動響應分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的應用公式。The contents of this paper include the following several aspects : ( 1 ) a model of the fractures leakage is built through counting and analyzing the wealthy geological records of hae field, and a model of the fracture water transporting is also built according to the fracture water condition of its recharge and its runoff and its discharge in hae field ; ( 2 ) this paper studies the chemical behavior and the migration parameters of the elenent sr2 + in ground water in hae field, the main contents include : the presence form of the element sr in ground water is analyzed by way of the rmodynamics ; the absorption mechanism that granite and sand stone absorbs sr element is analyzed based on theory and experiment test the diffusion parameters of the element sr in water and in granite and in sand stone are researched with laboratory experiment test ; the partition coefficient of sand stone and granite to sr is tested by the batch way
其研究內容包括以下幾個方面: ( 1 )通過對我國hae預選處置場豐富地質資料的大量統計和分析,建立了該處置場的基巖裂隙滲透模型。再根據hae預選處置場基巖裂隙水的補給、徑流、排泄條件及水位動態特徵,建立了預選處置場基巖裂隙水水運動模型。 ( 2 )對高毒性鍶元素在我國hae預選處置場地下水中的化學行為和遷移參數進行系統的研究,其中主要包括運用熱力學方法分析了鍶元素在地下水中的存在形態,利用理論分析與實驗測試相結合的方法分析了花崗巖和砂巖對核素鍶的吸附機制,採用室內實驗裝置研究了核素鍶在地下水中的擴散參數以及在花崗巖和砂巖中的本徵擴散參數,採用靜態批式法研究了鍶在砂巖和花崗巖中的分配系數。The subsystem is integrated in the cad system of catia, and applies kinematics 3d - manikin and mechanics 3d - manikin in different phase of aircraft cockpit design, and acquires perfect kinematics and mechanics results of pilot. the subsystem whose interface is friendly and utilization is directly, enriches the methods by which the designer estimates an aircraft cockpit design, and enhances the design efficiency and precision
該子系統集成在catia系統中,在飛機座艙設計的各個階段分別引入了飛行員三維人體幾何模型和運動學模型,通過模擬飛行員的操作動作與計算視角、可達性、操縱力等參數,較好的反映了飛行員的運動學和動力學特徵;界面友好,操作直觀、簡便;豐富了設計人員對飛機座艙設計評估手段,保證了設計效率和精度;有利於飛機座艙設計水平的提高。Considering the water spraying can effectively increase the contact area between gas and water and promote the hydrate production rate, a batch reactor with water spraying was built in order to experimentally investigate the forming performance of natural gas hydrate, the system ' s state parameters ' variation and its effect on induced time of initial pressure and water temperature
摘要考慮到水的霧化可以有效提高氣水接觸面積,有助於提高水合物生產速率,設計和建造了一個半間歇式霧流強化水合物實驗裝置,用於探索和揭示噴霧強化天然氣水合物制備過程的基本特性,包括制備水合物的形態特徵,形成過程中參數的變化規律,以及系統初始壓力和初始水溫度對形成過程誘導時間的影響。Secondly, by low - cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation. at last we analyze the destroy principle and affection reasons of hollow shear wall of r. c with vertical seams in different height and loading measures, we also give the bearing capability calculation formulas and design advises for new type hollow shear wall of r. c
首先運用ansys有限元程序分析彈性階段水平外荷載施加后,帶豎縫鋼筋砼空心剪力墻板內應力分佈及變形情況,再在試驗數據的基礎上,研究低周反復水平加載條件下,各試件的強度、變形、能量特性;各試件的荷載特徵值;各試件的滯回曲線、骨架曲線;延性及剛度退化等參數;最後,分析了不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板的破壞機理和承載力影響因素,並給出不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板承載力計算公式及設計建議。Thirdly. based on the analysis of the engineering geology, hydrogeology and the dynamic peculiarity of the site soil, and the analysis and caculation of the seismic reaction, it gains the anti - seismic design coefficient and divided the city area into three seperate defence zones. marked a, b, c. finally, it makes a researsh of the seismic effect of the site of the city and makes the suggestions of the land utilizing. dividing the city land into 4 sub - zones
第三在分析研究萊蕪工程地質、水文地質及場地土動力特徵的基礎上對萊蕪市場地地震反應進行了分析計算,得出萊蕪市抗震設計地震參數,並分為a 、 b 、 c三個設防區。最後對場地地震破壞效應進行了研究,對萊蕪市土地利用進行了分區,並提出了合理利用土地建議。The basic physical and mechanical properties, mineral composition, micro structures, swelling potential, consolidated drained triaxial shear strength, parameters of constitutive model and residual strength of the soft clayey rocks were tested in laboratory with a large number of natural samples. the changing trend of the strength about these rocks is obtained by modeling the condition of softening due to immersion. from the principles of modern soil mechanics, the structural and swelling characteristics of soft clayey rocks were analyzed systematically
本文通過現場調查,查明風化泥質軟巖的宏觀結構特徵,利用現代試驗測試手段,取原狀土系統進行特殊土室內土工試驗,測定土的基本物理力學特性、礦物成分及微觀結構、膨脹性、三軸排水剪強度及本構模型參數、軟化殘余強度,並模擬土體在長期浸水軟化后的強度變化趨勢,測試該類土的浸水軟化殘余強度。Stability characteristics are obtained through numerical analysis. in general, the influence of fibre additives and their hydrodynamic interactions to the flow results in the increase of critical reynolds number and the reduction of unstable region of disturbances, therefore reinforces the flow stability
數值求解穩定性方程得到懸浮流的穩定性特徵,發現纖維參數h值和水動力相互作用系數c _ 1的增加導致流動臨界re數增大,不穩定擾動的最大增長率降低,擾動失穩范圍縮小。But, though considerable process has been made in the last ten years, digital watermarking is still in its infancy, and much interesting work remains to be done this thesis addresses some problems in the gray - scale image digital watermarking that are summarized below : 1 ) whereas the basic theory of digital watermarking is still very poor, a digital watermarking mathematic model based on imperceptibility and robustness is presented by analysising the characteristic of digital watermarking ; 2 ) based on the model constructed above, by defining the measures of capacity and robustness of digital watermarking, an objective method for evaluating the digital watermarking is introduced and used to analysis some algorithms ; 3 ) whereas geometric distortion always influences the restoration of watermark, we advocate to enhance the robustness against geometric distortion by restoring the image which has been distorted by geometric transformation, and a method is designed for estimating the parameters of geometric transformation ; 4 ) based on the conclusion discussed above, and combined with the masking effects of hvs, a novel public meaningful gray - scale image digital watermarking is designed by analysising the characteristics of image gray - scale interpolation and haar wavelet transformation. the experimental results show that the method is indeed powerful ; 5 ) whereas many image digital watermarking schemes, which embed watermark by modifying the values of pixels in spatial domain and transformed domain, are confronted with the conflict between the imperceptibility and robustness, we advocated to use some stable digital characteristics of host image as watermark and a algorithm based on hermite matrix is designed
本文重點對灰度圖象數字水印技術進行研究,主要工作如下: 1 )鑒于目前數字水印的理論研究比較薄弱的現狀,本文通過分析數字水印的特點,建立了一個數字水印的數學模型,為進一步研究數字水印打下了基礎; 2 )根據以上建立的模型,通過引入容量和穩健度的概念為數字水印提供了一個客觀評價方法,並對一些數字水印演算法進行了分析; 3 )為增強數字水印抵抗幾何攻擊的能力,研究了受幾何攻擊的圖象的復原問題,並給出了一個計算圖象幾何變換參數的方法; 4 )通過分析圖象灰度插值演算法和haar小波變換的特點,結合hvs的掩蔽效應,設計了一個公開的有意義數字水印演算法,實驗結果表明本演算法具有較強的穩健性; 5 )目前許多水印演算法都是通過在空域或頻域修改象素值的方法嵌入水印的,這種方法面臨著透明性和穩健性的矛盾,為解決這個矛盾,本文提出以圖象的某些穩定的數字特徵為水印的觀點,並結合hermite矩陣的特點設計了相應的水印演算法,實驗結果表明該演算法具有較好的穩健性。Based on the prototype observation and model test made for the periodic - flushing de - silting basin, the process and the division of the three - stage hydraulic flushing are put forward on the basis of the feature of water - sediment movement, and then the calculation formulas and the related parameters for the stages of emptying flushing ; retrogressive flushing and the flushing along the basin are given as well
摘要依據定期沖洗式沉沙池水力沖洗的原型觀測和模型試驗,根據水沙運動特徵,提出定期沖洗式沉沙池水力沖洗三階段沖洗過程及劃分,分別給出泄空沖洗、溯源沖洗和沿程沖洗各階段的計算式和有關參數。The kinetic equation of hydration is set up and the hydration mechanism is discussed by analyzing the kinetic parameters. the content of hydrates in hardened cement is calculated
通過對表徵水化特徵和相應階段的動力學參數的分析,探明了多組分水泥基材料的水化機理。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。By studying the strength behavior to these rocks, their shear strength ranges were given in different engineering environmental conditions. based on a series of triaxial tests on the soft clayey rocks, parameters of the constitutive model are provided, which are necessary in numerical analysis and engineering computation. according to the results in this study, mechanism of deformation and failure of soft clayey rocks was explored, and the data on their physical and mechanical properties were collected in guangdong
結合現代土力學原理,系統分析了風化泥質軟巖的結構特徵,膨脹特性;探討風化泥質軟巖的強度特性,給出了風化泥質軟巖不同工程環境條件下的抗剪強度取值范圍;在三軸排水剪試驗成果基礎上,提供了工程數值分析和計算所需本構模型參數,揭示了風化泥質軟巖的變形破壞機理,建立廣東風化泥質軟巖的物理力學性質特徵資料,為工程決策提供參考。As an exploratory study of undergraduates " technical creativity, the paper discusses the implication of the terms " creativity " and " technical creativity ", makes a probe into the influential factors to the development of creativity and technical creativity of people, and carries out an investigation to a large number of juniors from six universities of china with " technical creativity scale " and " creativity attitude survey ", in which the differences between majors, universities, genders and family backgrounds are treated as independent factors, to know undergraduates " learning motivation, interest and participation in scientific and technical activities, to understand their belief, outlook of value and attitude to creativity achievement, and to find out their capabilities for technical comprehension, mental folding, numerical creativity thinking and practical creativity thinking
本研究採用文獻法對創造力、技術創造力的含義和影響因素進行了研究,並採用「技術創造力測量量表」和「創造力態度量表」對國內六所大學的部分三年級大學生進行了問卷調查和測試。以了解大學生對科學知識的渴求程度與探究興趣、對技術活動的參與情況、對創造性成就的態度、信仰和價值觀;探討大學生技術操作和物理感受性方面的能力、空間表徵能力,發散思維能力和數理邏輯思維能力的水平及特徵。此外,本研究還對理工科與文科學生在技術創造力方面的專業差異和校間差異,大學生技術創造力的性別差異和家庭背景差異進行了研究。In the thesis, i choose the horizontal and symbiotic industrial cluster basing on the natural resources as the objects to study, and make full use of knowledges from many subjects, including : economy, management, complex science, math, computing simulation, etc. through the idea of " down to up ", i make every individuality ( company ) inside the industrial clusters as a cell ; and choose techological support, labor supply, natural resourses reserve, maket overlay, intermediary service, public foundation, govenment policies as the outside influencing features ; and choose total assets, total production value, output ratio of capital as the indexes of system characters. then, i establish a computing simulation model on the optimal scale of industrial clusters basing on cellular automata model by matlab software, and simulate the shifts of characters of sigle cell according to the changing environments
本文主要以基於自然資源稟賦的水平共生型產業集群為研究對象,綜合應用現代經濟學、管理學、復雜性科學、數學和計算機模擬方法等多學科的知識,吸納「自下而上」的思想,選取技術支撐、勞動力供給、自然資源、市場輻射、中介服務、公共基礎、政府政策七個變量作為集群成長的外部影響因素以及總資產、總產值和資金產出率作為集群的系統特徵指標,以產業集群(系統)內部的個體企業為單位元胞,參照自適應、自組織的自然演化機制模擬單位元胞自身特質受到周邊環境的變化而改變,採用元胞自動機模型和matlab軟體,建立一個基於元胞自動機模型的產業集群規模演化的計算機模擬模型。分享友人