源流特性方程 的英文怎麼說

中文拼音 [yuánliútèxìngfāngchéng]
源流特性方程 英文
equation of characteristics in source flow
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits

    最後，綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料，得出如下結論：本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖；與中國東部以及華北地臺上地幔相比，研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵，局部熔融程度較高；上地幔存在橫向和縱向的不均一性，從西部的克里陽到喀拉喀什河和玉龍喀什河流域， al和lree富集程度呈下降趨勢，不同來源的相同礦物中主元素的含量差異較大；地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用；玄武巖漿的起源深度73km ；從幔源重砂礦物的溫壓估算結果，可以推斷出巖石圈厚度可達204 . 9km ；綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分，認為研究區具備了金剛石成礦地幔地質條件。
  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 combination with the rapid development of highway construction and the present severe situation of tilled land and land resource, effects on economy, society and resource produced by highway construction are approached from three different angels : the improvement to the economy and society development, the peculiarities and the severity of occupation of land resource and the bad effects on land use caused by soil and water loss, thus arousing the people to pay high attention to the occupation of land resource in highway construction. a method of cost - benefit analysis is approached to evaluate the economic rationality of occupation of land in highway construction and the social benefits produced by highway construction are analyzed qualitatively ; at last, these methods are tested and verified through a concrete engineering in yangling agricultural hi - tech demonstrational zone and effective technological and systematic measures are put forward in order to settle the problem onto a compatibly developmental path

    本研究從公路建設迅速發展的實際和土地、耕地資源面臨的嚴峻形勢著手，在實地調研的基礎上，結合相關的文獻和資料，從公路建設對經濟、社會發展的促進作用，公路建設佔用土地資源的特點，公路建設造成的水土流失對土地資源利用的危害等三個方面系統地分析總結了公路建設活動對經濟、社會與資源的影響，以引起社會各界對公路建設與土地資源佔用問題的重視；用成本-效益分析法對公路建設佔用土地資源的經濟合理性進行評價，並對公路建設佔地的社會效益進行分析，通過楊凌農業高新技術產業示範區三路一橋工程驗證它們的實用性。
  4. In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given

    第二章分析了標準振動臺的工作原理和結構，在此基礎上，建立了標準振動臺的機械和電氣方程，給出了恆壓源和恆流源功放激勵下的振動臺傳遞函數及幅頻、相頻特性曲線，列出了不同頻段間的轉折頻率。
  5. This method provides unequal protection for spiht bet stream with different importance, and adaptively adjusts the source and channel coding rates according to the time - varying characteristic of the channel, thus yields good performance and high reliability without adding extra bandwidth. simulations in rayleigh channel show that the scheme can obviously improve the image quality compared to eep and uep scheme, especially when the channel is in bad condition

    本方法通過對spiht編碼碼流重要性的不同而進行不同程度的保護，並利用通道的時變特性自適應地調整信源和通道編碼速率，從而在不增加額外帶寬的前提下有效地提高了系統的性能和可靠性，經過計算機模擬模擬，得出了在瑞利通道中，傳輸條件惡劣的情況下，本方法比eep和uep能更好的提高重建圖像的質量。
  6. Then a one - dimensional unsteady incompressible flow with moving pollutant source model was proposed. the continuity equation, momentum equation and convection - diffusion equation were discredited using finite volume scheme. thus a software for predicting the air velocity and pollutant in railway double track tunnels was developed

    接著，根據雙線鐵路隧道運營通風的特點，建立了一維不可壓縮非恆定流和流動污染源的物理模型以及山相應的連續性方程、動量方程和對流擴散方程構成的數學模型；在此基礎上，利用數值計算方法，編制了一套雙線鐵路隧道運營通風的數值計算程序。
  7. Qualitative analysis on the effect of flood control and engineering safety -, seizing lots of water conservancy effective adjust storage. then making water level risen and reservoir backwater enlarged in the same flow level ? effect on beach and the buildings across river, soil salinization caused by flow from a lower to a higher place and unsmooth groundwater drainage destroy of travel resource caused by disorder enclose tideland for cultivation in reservoir silt up flood plain are given, then presents enclose tideland for cultivation dyke is important cause which water level rise in reservoir

    本文從青銅峽水庫泥沙淤積入手，分析水庫泥沙淤積特性和庫區圍墾堤開發利用淤積灘地的現狀，對防洪安全及工程安全的影響、侵佔大量的有效調蓄庫容、造成同級流量下水庫水位抬升水庫回水上延、對沿岸及過河建築構成影響、因水位抬升致使庫區周邊灌區地下水排水不暢乃至倒灌而造成土地鹽堿化、對水庫庫區大量淤積灘地無序圍墾造成旅遊資源破壞等五方面影響的定性分析，提出庫區圍墾堤是水庫水位抬升的重要原因。
  8. This article analyses the operation principle of the semiconductor laser power in detail, and demonstrates the feasible scheme of the main part of the power according to the special request under the quasi - successive working way, designs the corresponding hardware circuits and software procedures which implement the accurate automatic control of timing, steady voltage and invariable current power supply without pulse voltage and surge current for digital display semiconductor laser power

    本文深入分析了半導體激光電源的工作原理，根據準連續工作方式下的特殊要求，論證了電源的主要環節的可行性方案，設計了相應的硬體電路與軟體程序， （實現了定時的精密自動化控制、數字式顯示機半導體激光電源的無脈沖電壓、無浪涌電流的穩壓恆流供電。
  9. From the view point of system flowage of coal in power generation enterprises, this paper reviews the effect of coal characteristics on the operation of power plants boiler, and proposes modeled means and methods which expresses the coal characteristics affecting generation cost. the modeling of coal characteristic effects helps power generation and coal enterprises to provide and produce more economic coal for power plants, the function and characteristic of coal quality engineering analysis for power plant is discussed, the structure of coal quality engineering analysis system is explained combining with the electric produce process

    從發電企業煤的系統流程出發，研究了燃煤特性對電站鍋爐運行的影響，提出了煤質特性對發電成本影響模型化的途徑和方法。煤質影響模型的建立有利於發電企業和煤炭企業採取措施，組織和生產對于電站來說更為經濟的煤源。討論了火電廠煤質工程分析方法的功能及特點，並結合火電廠電力生產過程和煤質工程分析關系圖說明了煤質工程分析系統的結構。
  10. “ hedge funds ' willingness to trade frequently, employ leverage, and invest in the more leveraged, risky areas of the credit markets magnifies their importance as a source of liquidity, ” the fitch report said

    惠譽的報告稱： 「對沖基金喜歡頻繁交易，運用杠桿方式，以及投資于杠桿程度更高、風險更大的信貸市場領域，這些特點放大了它們作為一種流動性來源的重要性。 」
  11. Abstract : because the shenfu - dongsheng mine area is located in intermediate of arid and semiarid zone, its ecological environment is very fragile. based on the fragileeco - environmental, the coal mining and construction have brought out some new environmental problems. man - made debris flow problems is the most serious of them which caused by coal mining, construction of railway and highway as wellas exploiting stone. through a great deal of experiments of artificial simulation setting water rushing to two types of slope debris flow and debris flow gully in shenfu - dongsheng mine site, the characteristics is favourable to formation of debris flow ; ( 2 ) the waste gangue is easy to initiate and is main solid material of debris flow in this area ; ( 3 ) the whole debris flow process could be observed through the model simulation experiment of debris flow gully. at present, this experiment method is the best way to analyze debris flow genesis and process

    文摘:神府東勝礦區位於黃土高原北部乾旱半乾旱過度地帶，由於煤田的大量開采，誘發了大量的環境問題，尤以人為泥石流最為嚴重.本文以神府-東勝礦區人為泥石流為研究對象，採用人工放水沖刷模擬實驗的方法，分析了坡面型和溝谷型泥石流源地鬆散體起動、產沙、泥石流過程的特性，所得結論為: （ 1 ）放水歷時長、強度大，有利於泥石流的形成; （ 2 ）棄土石渣易起動，是該區泥石流固體物質的主體; （ 3 ）溝道型泥石流放水沖刷模擬實驗，便於觀測泥石流的全過程，坡面型泥石流放水沖刷模擬實驗，利於統計產沙、觀測侵蝕形態
  12. Because the shenfu - dongsheng mine area is located in intermediate of arid and semiarid zone, its ecological environment is very fragile. based on the fragileeco - environmental, the coal mining and construction have brought out some new environmental problems. man - made debris flow problems is the most serious of them which caused by coal mining, construction of railway and highway as wellas exploiting stone. through a great deal of experiments of artificial simulation setting water rushing to two types of slope debris flow and debris flow gully in shenfu - dongsheng mine site, the characteristics is favourable to formation of debris flow ; ( 2 ) the waste gangue is easy to initiate and is main solid material of debris flow in this area ; ( 3 ) the whole debris flow process could be observed through the model simulation experiment of debris flow gully. at present, this experiment method is the best way to analyze debris flow genesis and process

    神府東勝礦區位於黃土高原北部乾旱半乾旱過度地帶，由於煤田的大量開采，誘發了大量的環境問題，尤以人為泥石流最為嚴重.本文以神府-東勝礦區人為泥石流為研究對象，採用人工放水沖刷模擬實驗的方法，分析了坡面型和溝谷型泥石流源地鬆散體起動、產沙、泥石流過程的特性，所得結論為: （ 1 ）放水歷時長、強度大，有利於泥石流的形成; （ 2 ）棄土石渣易起動，是該區泥石流固體物質的主體; （ 3 ）溝道型泥石流放水沖刷模擬實驗，便於觀測泥石流的全過程，坡面型泥石流放水沖刷模擬實驗，利於統計產沙、觀測侵蝕形態
  13. The hot dry rock geothermal energy is a r. ew clean energy and have excellent development prospects, but is not yet exploited on large - scale in our country then to mankind : the theories and technique of the heat extraction all belong to the new task in the new field, and already have a strong appeal to the international technology worker, and already have obtain certainly achievement, on the basis of study by our predecessors, this paper do the as follows work, acquire the following main result : lx present a many fields coupling mathematics model for solid - flow - heat of 3d blocked medium in hdr

    高溫巖體地熱是我國以至人類尚未大規模利用而又極具廣闊開發遠景的新的潔凈能源，對其進行開發利用的理論與技術都屬于新型領域的新型課題，已經吸引了大批的國內外科技工作者的投入，並取得了一定的成果。在前人研究的基礎上，本文做了如下工作，獲得了如下主要成果： 1 、建立了高溫巖體地熱開發的塊裂介質固、流、熱多場耦合數學模型，模型控制方程包括完全耦合的變形方程、滲流方程、熱傳導與對流方程，描述了熱儲層的非線性特性。
  14. Inverse - time overcurrent protection is used in power supply installation to fit the heat characteristic of the device ' s fault current. with reference to international standard characteristic equations, the equation by the integration of current term is suitable to describe the process of heat accumulation

    將反時限過流保護的概念引入智能電源系統，參考國際通用反時限控制曲線，通過構造器件的熱庫模型採用微處理器程式控制能夠方便實現各種反時限控制特性。
  15. It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed

    瞬變電磁法（ transientelectromagneticmethod ）是一種時間域的電磁勘探方法，利用階躍波或其它脈沖電流場源激勵，在大地產生過渡過程場，斷電瞬間在大地中形成渦旋交變電磁場，測量這種由地下介質產生的二次感應電磁場隨時間變化的衰減特性，從測量得到的異常分析出地下不均勻體的導電性能和位置，從而達到解決地質問題的目的。
  16. Firstly it discusses the definition of the college campus culture and analyzes its implication, characteristics and function, and points out that college campus culture is subculture of the environment culture, conduction culture, system culture and spiritual culture. its major resources of the cultural construction of college dormitory are campus main - stream culture and subculture, youth culture, social culture and family culture, in content, it is the non - main - stream consciousness and conduction. in ideology, it is the departure from the campus main - stream culture

    論文首先從對大學校園文化的界定入手，對大學生宿舍文化的內涵、特點和功能作了嘗試性的概括分析，指出大學生宿舍文化是環境文化、行為文化、制度文化和精神文化四個層面組成的校園文化的亞文化，校園主流文化及校園內的某些亞文化群、青年文化、社會文化、家庭文化是其主要源流，具有在內容上表現為非主流意識與行為的凸顯、在觀念上表現為對校園主流文化某種程度的偏離、在表現形式上反映出社會文化和校園文化的某些特性、在作用方式上以潛移默化的方式發揮其功能等突出特點。
  17. Further, in light of the mathematic functions among price, efficiency and equity, the effects / impacts of water pricing methodologies on efficiency and equity in water resources reallocation have been analyzed, the results are that different pricing methods have distinguish impacts on efficiency for water resources uses while they have few impacts on equity for incomes due to reallocation of water resources. fourthly, because the regional water resources have some features of river basin, an integrated water resources management ( iwrm ) has been suggested for the efficient management of regional water resources, where the basic criteria and intensions of iwrm have been analyzed. in order to the iwrm for regional water resources, the enabling environments, the institutional roles and the management instruments will be needed

    再根據交易中的水價與效率及公平性關系的數學模型，分析不同的水價制定方法對水資源再分配（水權交易）的效率與公平性影響，提出的不同的定價方法對水資源使用效率有顯著影響，而對公平性基本沒有影響；針對區域水資源具有流域特徵的實際情況，提出了區域水資源綜合管理（ iwrm ）的模式，分析了iwrm的基本原則和包含的內容，進行了為實施iwrm的關鍵措施和體制安排，要實現區域水資源的綜合管理就必須具有寬松的環境、充分發揮管理機構的作用和靈活運用先進的管理手段；根據區域水資源的特點和可持續利用原則，進行了區域張仁田:區域水資源可持續利用研究水資源開發利用戰略方針的研究，按照制定的19項戰略方針，對一特定的區域進行了不同水用戶水資源需水量的中、長期預測，其中包括生態環境需水量，並採用iqqm模型進行供需平衡分析，提出在工程設施保證、技術措施和體制及法律保障到位的情況下，遠期能夠實現供需平衡。
  18. Intensive mankind activities are comprehensively and deeply disturbing the natural water cycle of river basins, giving the water cycle an evident “ natural - artificial ” binary evolutionary character in all the aspects of driving force, cycling structure, response parameters, etc and resulting in a series of post - effects on resource, ecology and environment, which are particularly reflected by the three major common problems of water shortage, water pollution and ecological deterioration in the northern china

    強烈的人類活動正全面深度擾動著天然流域水循環過程，致使流域水循環在內在驅動力、循環結構和響應參數等方面都呈現出明顯的「天然人工」二元演化特性，同時引發一系列伴生的資源、生態與環境後效，在我國北方地區突出表現為缺水、水污染和生態系統退化三大共性問題。
  19. In the course of implementation on hardware, sdram is adopted to design a reasonable and practical data manipulation scheme for mpeg - 4 data stream. the system minimizes the resource requirements while meeting a definite function target. besides, on the basis of study on rate control of tmn8, we also designed the section of rate control of this system in the way of both hardware and software

    通過對視頻編碼過程中數據流操作的分析，結合sdram的工作特點，合理設計了mpeg - 4編碼器的數據流調度方案，在滿足系統最高要求的基礎上，節省了寶貴的硬體資源，提高了程序的通用性；在分析了碼率控制的基本原理及演算法的基礎上，結合arm處理器的特點，設計了mpeg - 4編碼器碼流控制部分的硬體部分和軟體實現，實驗表明其起到了編碼結果調整的作用，效果良好。
  20. Based on the analysis on the characteristics of the sudden water pollution accidents in detail, such as the uncertainty of space - time, the polluted range and the suffered objects, the features of different fiver basins and the unclearness of the main subjects to respond urgently, the concept on the construction of the early - warning and emergency response system is made under the consideration of three parts - the early warning mechanism, the emergency mechanism and the computer - aiding decision system ; for which the hazard resources distinguishing, risk appraisal and the emergency response principles with the relevant organization, classification, monitoring, treatment method etc. are described, and then the requirements of both the processing of the accident simulation and the database design are analyzed as well

    在深入分析突發性水污染事故時空、污染范圍和污染對象的不確定性、流域性、應急主體不明確等特點的基礎上，構建突發性水污染事故預警應急系統體系，認為該系統應包括預警機制、應急機制和計算機輔助決策系統三個部分，並詳細闡述危險源辨識、風險評價、應急原則、應急組織機構、應急分級、應急監測、應急處理方法等內容，同時分析了事故模擬的流程和數據庫設計的要求。
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