逐時變化流 的英文怎麼說

中文拼音 [zhúshíbiànhuàliú]
逐時變化流 英文
time dependent flow
  • 逐 : 動詞1. （追趕） pursue; chase; run after 2. （驅逐） drive out; expel; banish 3. （挨著次序） one by one
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 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...
  1. By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water

    周圍礦床的風化蝕變為表生水提供了鐵質，形成弱酸性的含fe （ oh ） _ 3膠體的水溶液，表生水流經翡翠礦石時， fe （ oh ） _ 3膠體附著在巖石的表面，經過脫水結晶和吸附，形成褐鐵礦膠體，褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中，逐漸累積沉澱，形成次生色層。
  2. The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability

    利用一個hibler海冰熱動力模式，在改進了其熱力部分和改變模擬范圍以及提高解析度的基礎上，以北極國際浮標計劃（ iabp ）提供的1979 - 1998年間逐日變化的日平均海平面氣溫場，濕度場，長短波輻射場，風場，洋流場，海洋熱流量場為強迫場，模擬了上述20年間北極海冰的時空演變。
  3. This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied

    本文利用ncep / ncar再分析逐日500hpa高度場等資料，選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地方作為關鍵區，以夏季歐亞中高緯度持續時間長（時間尺度屬于中間時間尺度，即10 ? 30天之間） 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象，定義了一個夏季歐亞中高緯流型指數，在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續流型的界定方法，研究了典型持續流型的氣候特徵，分析了流型指數的年代際變化，以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。
  4. During recent decade and more, major and super floods have taken place frequently in the yangtse river and huai river. the natural phenomenon of flooding is inevitable. it is not a surefire plan only to take engineering measures for flood control while climatic variation is far from being known

    近十多年來在我國長江、淮河流域連續不斷發生的大洪水或特大洪水再次向我們展示了這樣一個道理，洪水是一種自然現象，當環球大的氣候因素及其變化規律遠未被認識時，試圖僅依靠工程措施來控制洪水並非萬全之策，逐步運用非工程措施，常常能起到「以柔克剛」 、 「以弱勝強」之功效。
  5. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為： （ 1 ）黃河河口口門逕流潮汐區域並非持續保持淤積狀態，在特定的來水來沙、邊界條件和海洋動力條件下，該區域可以處于沖刷狀態； （ 2 ）從河口泥沙沉積分配的過程來看：三角洲與濱海區泥沙的沉積變化趨勢是基本一致的，各部位的泥沙沉積比例變化基本呈波動狀態，且三角洲與濱海區泥沙的沉積比例與來沙量密切相關，基本成正比關系； （ 3 ）在口門處，影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等，本報告主要對口門加寬，口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: （一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式，據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 ）本項研究首次論證了河口三角洲岸線動態平衡的概念，並建立了黃河河口來沙量與造陸面積的相關關系，得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 ）本項研究首次提出了河口泥沙優化調控的概念，並對其宏觀優化調控模式進行了初步探討。
  6. The special regularity of water quality variation in the river during the irrigation period was presented, i. e. water quality deteriorates at the beginning of water supply and will gradually be improved to a steady state

    結果表明：灌溉期水庫供水時，河流水質有其特殊的變化規律：供水初期水質惡化，然後水質逐漸好轉並趨于穩定。
  7. Its interannual variation ' s main period is about 4 ~ 5a and the 7 ~ 8a ' s period exist too ; the interdecadal variation ' s main period of the australian high is about 15a. the interannual variation of australian high ( aah ) has correct correlation with antarctic oscillation and enso, and the enso ' s 4a period has the most important influence on the aah. ( 2 ) when the ah becomes stronger, the members of the whole aamcs are stronger following it. that is to say, in the years that the ah is stronger ( compared to the weak years of ah ) and on the horizontal circulation, the members of aamcs, including the ah, the cross - equator flow ( cef ) between 100 and 160 e, the south china sea south - west monsoom ( ssm ), the south sea monsoon rough, the tropical easily flow, subtropical high ( sh ), the mei - yu front, the mid - latitude effect, become stronger, and their positions are more southward ; in the meridional - right circulation, there are five circulations including classic monsoon meridional - cirle circulation and hadley circulation that become stronger in the strong years of ah than in the weak years of ah

    本文採用ncep ncar再分析月平均的全球海平面氣壓場、高度場、海表溫度場、高雲量和cmap全球降水資料，以及中國160站逐月降水資料，分析了1948 2002年期間澳大利亞高壓（以下簡稱澳高）的年際和年代際變化以及澳高年際變化對亞澳季風環流系統的影響，結果顯示： （ 1 ）澳高存在明顯的年際和年代際變化，澳高年際變化以4 5年的周期變化為主，同時兼有7 8年左右的周期，而澳高的年代際變化則以15年左右的周期變化為主：澳高年際變化同時與南極濤動和enso有正相關，並且enso的4年左右的周期變化對澳高年際變化影響最大。
  8. Annual precipitation series about 50 years is stable and no period ; further, the climate drying and desertification are n ' t caused directly by the decrease of precipitation during the period of the research according to the relational analysis among precipitation temporal - spatial change, runoff, evaporation, potential evapotranspiration and soil water ; longyangxia reservoir which was built in 1986 does n ' t have influence on precipitation up to now ; but annual temperature series in gonghe is unstable, having a linear upward trend, and it increases about 0. 0247, 0. 0422 and 0. 0272c per year, and temperature rise must be having an influence on desertification, but there is a very little temperature change, so that the effect is very small ; annual potential evapotranspiration series is stable too, so climate change has little influence on plant water consumption. 2

    在青海共和盆地，近50年的年降雨量序列是平穩的、無周期，其時空變化與徑流、蒸發、潛在蒸散和土壤水分的關系表明，氣候乾燥和嚴重的荒漠化不是由於降雨量減少直接引起，龍羊峽水庫對共和盆地年降雨量變化沒有影響；但是年氣溫序列是非平穩的，茶卡、恰卜恰和貴南的年氣溫平均每年升高0 . 0247 、 0 . 0422和0 . 0272 ，且氣溫升高2 ，年潛在蒸散增加57mm ，盆地內氣候逐漸變乾燥，但影響比較小；由於歷年潛在蒸散序列是平穩的，因此氣候變化對盆地的作物潛在蒸散的影響在研究期內是較小的。
  9. Based on the daily and hourly precipitation observation and daily soil moisture observation in meishan, nianyushan and jiangji station in shiguanhe river catchment over the huaihe river basin in summer of 1998 and 1999, the temporal variations of the precipitation and soil moisture of this three stations and their relationship are analyzed in this study

    本文首先利用1998 、 1999年淮河地區史灌河流域夏季逐日降水資料，逐小時降水資料和梅山、鯰魚山、蔣集站的土壤濕度觀測資料，對三個站的土壤濕度和降水隨時間的變化趨勢及它們之間的相互關系進行分析。
  10. Because the supply water system is large - scale, the pump stations are many, the ways of supply water are complicated, and the adjustable spare is large, the whole data in the optimization of supply water, the flux and its variety regulations in the control stations ca n ' t be acquired. the paper predicts supply water during the process based on the theory of artificial neural network control. the optimization has two steps

    在實際供水系統中很難準確地獲取整個管網的所有基礎數據，主要難以預知所有節點的逐時流量及其變化規律，因此成為供水系統的優化調度的難點，本文採用人工神經網路對供水量進行預測，應用二級優化調度，第一級以整個供水系統的費用最小為目標，用回歸方法求出各供水節點的供水量；第二級利用流量跟蹤的方法對每個供水節點（泵站）實現優化運行，以期在泵站內達到最大節能目的。
  11. In the late part of the active developing period, the temporal variation of sediment concentration and sediment transport ratio of each rainfall can be expressed by exponent function and the variation presents quadratic polynomial function in the stable developing period. the spatial variation character of sediment yields with space of the experimental watershed model. the active position of soil erosion and sediment yield of the experimental watershed model changes from the downside to the upside with the developing process of the watershed model

    流域模型侵蝕產沙空間變化特徵侵蝕產沙的活躍部位隨流域模型發育過程呈現由流域模型下部逐漸向上部發展特徵，其中流域模型下中部為發育初期時段和發育活躍時段侵蝕產沙的活躍部位，流域模型上部是發育穩定時段侵蝕產沙的活躍部位。
  12. Iii ) the result from simulating rainfall on watershed model indicats that changes of projective area, surface area and volume represented development of watershed physiognomy. volume of model body decreased and projective area and surface area increased with developing process of watershed model. when development of gully trending to stablization, projective area become stable and surface area changed fluctuantly

    （ 3 ）流域模型的模擬降雨實驗觀測結果分析表明：流域模型地貌的發育演化主要體現在其投影面積、表面積和相對體積的變化上；流域模型投影面積和表面積在整個試驗過程中一致增大，當溝道發育逐漸趨于穩定時，投影面積變化也趨于穩定，表面積則呈現出波動性變化。
  13. It is suggested that the distribution of the depositional systems and the depositional facies have the clear characteristic that in the north of the research area, the alluvial fan sediment, the fluvial system and the delta system are the main styles of the depositional system, towards to the direction of basin the lacustrine, the barrier, the carbonate ramp system become the main depositional systems

    受海平面升降變化控制，區內沉積體系和沉積相的分佈具有明顯的分帶性，北部靠近源區以沖積扇或河流及三角洲沉積為主，向盆地方向以湖泊或海岸障壁-瀉湖、碳酸鹽緩坡沉積為主。中二疊世北部源區發生構造抬升，當時古氣候逐漸乾燥，成煤環境結束，沉積物以陸相河流、湖泊三角洲占優勢。
  14. Based on 1960 - 2000 daily temperature data of 99stations in northeast china and ncep reanalysis data, the spring temperature in northeast china is analyzed, and the results indicate : 1 the spring temperature in northeast china presents upward tendency and the cycle periods of 14 years and 4 to 6 years. meanwhile abrupt change is significant between the year of 1984 and 1985

    利用東北地區99個測站的1960 ? 2000年春季逐日平均氣溫資料，以及ncep再分析資料，採用旋轉經驗正交函數、 morlet小波分析、合成分析方法研究了東北地區和各不同區域春季氣溫的時空分佈、年際和年代際變化特徵、春季氣溫異常以及低溫過程的環流特徵，並得出主要結論如下： 1 、東北地區春季氣溫存在著上升趨勢，並且有14年和4 6年的周期存在，東北地區春季氣溫存在突變現象，出現突變的時間在1984 1985年間。
  15. This paper explains the basic knowledge and basic theories of national debt, gives the calculating formula of construe and stochastic construe separately. combing with the monadic regression model, the paper analyses the development of issuing scale of national debt of our government annually, studies the evolvement of scale of national debt and its relevant policies, and analysis the experience indexes measuring scale of national debt which is prevail in the world quantificationally. comparing with western developed countries further, based on that, there is a conclusion in this paper, the government issuing scales of national debt is appropriate at present, but it is impossible to increase the issuing scale

    本文闡述了國債的基本知識和基本理論，用數學分析和隨機分析的方法分別給出了債券的收益率和債券定價的計算公式，結合國債規模的一元回歸模型，仔細分析了我國政府年度舉債規模的發展變化，研究我國國債規模及相關政策的演變，並就國際流行的衡量國債規模的經驗指標進行了定量分析，由此進一步與西方發達國家進行比較，得出我國現階段國債的發行規模是適度的，但進一步增大發行的空間不大，為避免財政風險，發行規模應逐漸減小，積極的財政政策應在適當的時機逐漸淡出。
  16. In this paper, the circulation of 20hpa transits to anticyclone type first ( at april the twenty - fourth averagely ) and then the transition transmit downwards, 54 days later it arrive to 70hpa ( at june the seventeenth averagely ). the interannual variation of transition dates in higher layers of middle stratosphere ( 10hpa 20hpa and 30hpa ) is more remarkable than in lower ones ( 50hpa and 70hpa ). the transition dates of 50hpa and 70hpa have notable interdecadal variation feature : they are sooner before 1978 and later after 1978

    多年平均20hpa環流最先轉為反氣旋型（平均在4月24日） ，然後逐漸下傳，至70hpa （平均在6月17日）歷時54天；而中平流層上部（ 10hpa 、 20hpa和30hpa ）轉型日期的年際差異較下部（ 50hpa 、 70hpa ）大； 50 、 70hpa層環流轉型日期具有明顯的年代際變化特徵， 1978年以前轉型日期偏早， 1978年以後偏晚。
  17. Numerical results are obtained for velocity, temperature and concentration profiles, variations of both nusselt and sherwood numbers under different buoyancy ratio and inclination angles of = 15 - 90. at a given inclination angle, heat and mass transfer rates decrease with heat and mass buoyancies and the buoyancy ratio b decrease from high positive values, and then increase again with the buoyancy radio b further decreasing after the velocity and transfer rates reaching a minimum

    研究結果表明：傾斜角度一定，當熱浮力與物質擴散浮力共存且二浮力之比b從較高正值變化到較高負值時，流體速度和熱質傳遞速度從高逐漸變低並出現最小值，此後隨著向下浮力的增大，流體向下流動且隨| b |的增大而加速，熱質傳遞速率隨| b |的增大而重新增大。
  18. But wait, there is a change a foot. increasingly, footballers are making the transition from flouting all style rules to actually setting the trends. there is a revolution going on in locker rooms around the world

    但請等一下，現在有些變化，球星們逐漸從藐視一切時尚規則轉向引導潮流，眼下，全世界的更衣室里正發生著革命。
  19. Stainless steel has in recent years been used increasingly in jewelry. the benefits include a high resistance to corrosion which prevents rust, a resistance to high temperatures, long term durability and a bright, easily maintained surface providing for a modern and attractive appearance

    不銹鋼飾品在近年逐漸流行，它抗腐蝕耐高溫硬度高，表面不會因為環境發生變化，長期佩戴都能夠保持光澤與平滑。同時不銹鋼的金屬光澤與鉑金的光澤很接近，既高貴典雅，又具有現代感。
  20. On the one hand, along with rapid development of communication technology, the telecom major business has been changed. e - mail, mobile phone, ip video and voice, short message, instant message and data service are becoming new mainstream of the telecommunication market

    一方面，近年來隨著電信技術的迅猛發展，通信業務主體正發生變化，通信業務量被移動和ip大量分流;郵件、移動和ip語音視頻、簡訊、即時消息、數據等逐步構成新的通信業務主體。
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