有利流度比 的英文怎麼說

中文拼音 [yǒuliú]
有利流度比 英文
favorable mobility ratio
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 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...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 有利 : advantageous; beneficial; favourable
  1. Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity

    主要分析了這次過程中的多種物理量,包括渦、散、垂直速、鋒生函數、視熱源、視水汽匯等,對這一暴雨過程較系統的認識。結果表明:在江淮域存在著於發生暴雨的物理量場配置,渦、散、垂直速等物理量,與暴雨的落區都很吻合的;低空急的產生不僅於水汽的輸送,而且高低空急的耦合造成了於強上升運動的配置;鋒生強隨著降水系統的發展變化,並影響降水強
  2. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚分佈、孔隙以及滲透率,並且成圖;用變差函數法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據動單元法,以儲能系數、容積系數以及凈毛厚三個參數為依據,通過聚類分析方法進行動單元劃分,並且按照參數特徵將其分為五類,統計各砂層動單元區塊。
  3. For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks

    對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型,分析結果表明,巖土層的熱儲溫、導溫系數、埋地換熱器進水溫量以及地源熱泵系統的運行時間或開停機,都對埋地換熱器的傳熱過程產生直接影響,可以推斷,對于該類型巖土層的地源熱泵系統,採用間歇運行將是的。
  4. But the chemical properties have no remarkable influence on it ( 3 ) as the water - to - binder reduces wich is one of key factors in the perpormance of reactive powder concrete with steel slag, the fluidity decreases but the strength increases ; incorporation of 4 percent steel fiber in volume can decrease fluility and increase strength ; heat - curing benefits the increase of strength which can still develop in 28 day water curing after heat - curing

    ( 3 )水膠是影響其性能最為關鍵因素之一,隨著水膠的降低,動性下降和強的提高都很明顯;摻入4的鋼纖維對動性的影響較明顯,同時也不同程地提高了強;熱養護於強的提高,經熱水養護後放置水中至28天齡期,其強較大提升,並沒出現強倒縮現象。
  5. For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value

    闡述了抑制齒槽轉矩措施對反電動勢波形的影響,用無刷直電機的數學模型推導並較了任意平頂寬梯形波反電動勢在正弦波和矩形波兩種電驅動下的電磁轉矩脈動情況,得出在梯形波平頂寬減小到一定數值后採用正弦電驅動更於減小電磁轉矩脈動。
  6. Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet

    基於能量輸運模型對由凹槽深改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對.研究結果表明隨著負結深(凹槽深)的增大,槽柵器件的閾值電壓升高,亞閾斜率退化,漏極驅動能力減弱,器件短溝道效應的抑制更為效,抗熱載子性能的提高較大,且器件的漏極驅動能力的退化要改變結深小.因此,改變槽深加大負結深更於器件性能的提高
  7. Strongly strengthening of the low level jet and releasing of the latent heat of condensation have effect on the occurrance of the disturbance of the moist potential vorticity in low lever, which is important conditions to the genesis and development of mesoscale vortex

    低空急的加強以及凝結潛熱的釋放均可以影響到低層濕位渦擾動的產生,從而於中尺低渦的生成和發展。減弱低空急的對實驗證明了低空急在對層中低層中尺低渦的生成和發展過程中起著關鍵性作用。
  8. For example, in china, mbo is more like an encouragement way than to reduce agent cost ; illegal financing channel causes latency problem for future operation ; management members make advantage of so - called " internal people control " to undervalue the share price that damage the interests of the middle - and - little share holders ; management members also obtain large proportion dividend from the company that limits its development

    如說,國內mbo更多是一種激勵措施;融資制不健全,管理層杠桿收購資金的來源不合法,導致了收購完成後的短期行為;不完善的資產定價體系、股權割裂導致管理層壓低凈資產,造成國資產失和損害中小股東的益;由於通股和非通股同股不同價,管理層用大例分紅抽逃資金等等。
  9. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供益的參考,得出了一些很意義的結果: 1大尺背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣和季風爆發密切相關,攜帶大量水汽的偏南氣與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急、 500hpa副高以及850hpa的低空急的配置非常於本文分析之陜西強降水的發展與維持。大尺形勢分析表明,東高西低形勢場、低空急的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急的經向垂直環,暴雨區處于該垂直環的上升支; ( 3 )偏南和偏東氣水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。
  10. The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement

    研究結果表明,增大砂輪軸向進給速和減小工件轉速,採用粗粒砂輪於提高磨削矽片的材料去除率,砂輪軸向進給速對材料去除率的影響最為顯著;適當增大砂輪轉速,減小砂輪軸向進給速,採用細粒砂輪可以減小磨削表面粗糙;在其它條件一定的情況下,砂輪速超過一定值會導致材料去除率減小,主軸電機電急劇增大,表面粗糙變差;採用# 2000粒更細的砂輪磨削時,材料去除率減小,矽片表面粗糙明顯改善。
  11. The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment

    因霧滴的脫水時間與其直徑的平方成正,減小液滴直徑於縮短乾燥脫水時間,可效降低乾燥塔的高;由於旋式組合壓力噴嘴霧化滴徑的減小,脫水速明顯加快,在不影響乾燥物料性質的前提下,適當提高進風溫,同時效地降低排氣溫於提高幹燥塔的蒸發強,也於提高幹燥設備的平均能源用率。
  12. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明: ( 1 )超音速霧化器的氣體場在導液管下端形成一個倒渦錐,在二維空間上呈軸對稱的雙峰分佈,負壓形成於這個倒渦錐內; ( 2 )修正後的霧化氣體速公式可以滿足超音速霧化的要求; ( 3 )影響超音速霧化工藝最根本的因素氣液質量( gmr )的大小、霧化氣體量和倒渦錐范圍,三個因素的值越大,對形成細粉越; ( 4 )在焊錫合金為zhl63a ,霧化介質微n _ 2 ,導液管突出高取h = 6 . 0mm ,霧化氣體壓力取p = 1 . 0mpa ,合金過熱取t = 167 ( t = 350 )時,所制得的粉末在效霧化率、顆粒球形、粒及其離散三個方面綜合性能最好。
  13. The intrinsic carrier concentration reduces when decreasing the v / iii ratio. the high quality of in0. 53gao. 47as can be obtained at the range of 10 - 30 seconds of exchange time between ashs and phs. when the thickness of the buffer layer between the inp substrate and ingaas epilayer is 0. 2 um the mobility becomes the maximum and the carrier concentration is the lowest

    /對外延層的表面形貌較大影響,增大/於提高材料的結晶質量;隨著/增加,遷移率升高;本徵載子濃隨著/減少而降低; ash _ 3和ph _ 3轉換時間在10秒到30秒之間可以獲得質量較好的ingaas外延層;在inp緩沖層厚為0 . 2 m時遷移率達到最大,載子濃達到最低。
  14. According to the analyses of the research results about the feasibility of 4 - d seismic and the successful 4 - d seismic cases of foreign companies, the author put forward the suggestions for 4 - d seismic pilot area selection ; briefly analyzed the influential function of producing way on the seismic response ; utilized theory calculation, coring data analyses, and reservoir numerical simulation to define the fluid substitution effects on the p - wave velocity. through long time water driven to the reservoir, some of the properties and the log curves have changed, the author tried to find the variation rule of the reservoir and its effects on seismic velocity. the " blind point " in 4 - d seismic feasibility study both in china and overseas was found, that is the lack of consideration of the influence of physical property variation by long time water driven on the seismic response

    在深入分析國外四維地震可行性研究成果和成功實例的基礎上,提出了於水驅四維地震成功的工區優選條件;簡要剖析了各種開采方式及其對地震特性的影響;用理論計算、巖心分析、油藏數值模擬三種方法確定了體替代對縱波速的影響;通過對長期水驅造成的物性參數、測井曲線以及油藏溫和壓力變化規律的總結,分析了這些變化對地震速的影響,指出了目前國內外水驅四維地震可行性研究中存在的盲區?沒充分考慮長期注水造成的物性、溫和壓力變化對地震響應的影響,完善了水驅四維地震可行性研究的內容;在考慮了這些變化因素后,高29斷塊水驅四維地震可行性研究結果表明:四維地震監測注水前沿可能要監測油藏變化容易的多;以四維地震巖石物理可行性研究結果為基礎,提出了五個助於突出四維地震造成的微小差異的途徑,為今後水驅四維地震研究指明了方向。
  15. While the speed is very large, the fuel - air mixing behind the airstream is decreased and the span that the fuel flow in the second combustor is reduced, so the combustion efficiency is decreased, h ) if the fuel streams impinge with the airstreams directly at the air - inlet exit, it make against increasing the combustion efficiency, i ) increasing air - to - fuel ratio within proper range can increase the combustion efficiency

    增加燃氣噴射速於增強迴區強,頭部燃燒溫上升,但速太大則會減弱燃氣同空氣在進氣道下游的摻混燃燒,減少燃氣在室內停留時間,燃燒效率降低; 8燃氣射與空氣在進氣道出口直接撞擊不於燃燒效率的提高; 9在適當范圍內增大空燃能顯著提高燃燒效率。
  16. 2. effect of the viscosity ratio, mterfacial adhesion, processing conditions and composition on the dispersing morphology and properties of pp / eoc blends was investigated. low viscosity ratio and high shear rate during processing were found to produce fine and uniform dispersion of eoc in pp matrix, while low viscosity ratio, high interfacial interaction, good fluidity of elastomer and high shear rate in molding process resulted in fibril dispersion, which afford a guide for controlling the morphology of pp / eoc blends

    研究了粘、界面相互作用、加工條件和共混例等因素對pp eoc體系分散形態和性能的影響,發現粘小和加工過程中剪切強於彈性體在基體中分散均勻細化;粘小、界面相互作用強、彈性體本身的動性好及成型時受到的剪切應力大,使彈性體相易變形,沿動方向取向呈纖,闡明了各因素對形態影響的作用機制,這對pp eoc共混物的形態控制具重要的指導作用。
  17. In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed. because the equations consist of terms related to advection, diffusion, biochemical as well as the term of exchange betwen the fracture and the porous media, it is very difficult to find their solution. in order to find more efficient method for solving these equations, several numerical methods for the equations without biochemical terms are discussed first. the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media. then, the equation with both advection - diffusion term and biochemical term are discussed. the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations. the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term. numerical simulation results show that good agreement between analytical solution and experiment result is attained

    本文討論了含裂隙介質地下水污染物輸運與生物降解非線性方程組數值求解方法.方程含項、擴散項、生長、死亡、吸附、解吸、趨化和孔隙與裂隙介質界面間的交換項的非線性偶合,使演算法十分困難.本文討論了無生化過程時的幾種求解方法,數值結果表明:用三次迎風插值法對常見的對項占優勢,且場變量較大梯的問題較適用.在討論生化反應過程時,用對項與生化反應項的特徵時間量級估算,給出了求生化過程作用子步的時間步長估算辦法.用上述方法所得到的模擬結果與解析解、無化學反應和化學反應的實測值對,吻合很好
  18. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體,計算結果用excel進行處理,通過對大量數值工況進行數值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為經百葉風口內部時的速,即效速,而工程上常使用體的來來計算,計算表明,的理論計算值與工程應用值的關系為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來一定時,擋板傾斜角越小,壓力損失越小、出口速越小;因此在要求進口風速較小的場所,如播音室、圖書館等,宜採用擋板角30的百葉風口;在要求進口風速較大的場所,如電影院、辦公室等,百葉擋板的角應選45 ; 3 )當來一定時,百葉擋板的擋板寬b與擋板間距h的值b h越大,壓力損失越大,出口速越小,計算表明,鑒于壓力損失、出口風速、板間形成渦區的大小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為最佳值; 4 )當來一定時,在計算的條件下,當百葉擋板寬b = 40mm時,百葉擋板的阻力系數最小,考慮到渦區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技大學碩士學位論文5 )百葉擋板的厚取為1 . sinln為好; 6 )百葉擋板的入口側可選用具傾斜的楔形擋板來代替矩形擋板,用其較好的導作用,可得到更好的出效果。
  19. This method gets images of different resolution by inverse wavelet transformation on the client, resolves the problem of 1 / 3 increasing data, which is brought by traditional building method, because in traditional building method the relativity between layers of the pyramid s not used

    該方法在客戶端用小波逆變換動態合成各種解析級別的影像,與傳統方法相解決了沒用金字塔各個層次數據之問的相關性帶來的約1 / 3數據增量問題,而且在網路應用中可以形成一種解析遞增的式數據傳輸模式,非常適合遙感數據的網路發布。
  20. Basis on the statu quito, the basis of the selecting title, the main theoretical foundations and the researching approachs, the thesis analyses the advantage of the development animal husbandry and the existing questions in jiuquan oasis. the author thinks the restricting factors in animal husbandry development are the limited meadow area, the serious soil erosion, the land determinations, the worse management regime, the severe hazard on mice, the fluctuating product in meadow and so on. and then the author has appraised the ecological fragility in jiuquan oasis

    論文在論述了酒泉綠洲畜牧業的研究現狀、選題依據、主要理論基礎及研究方法的基礎上,分析了酒泉綠洲畜牧業發展的條件,認為人工、半人工草場面積小,水土失嚴重,土地退化,草畜例失調,草場退化,草原管理制不健全,鼠害猖獗,牧草產量年變化大,產草量和草場用季節不平衡,生產經營理念落後,成為酒泉綠洲畜牧業發展存在的主要問題,並對酒泉綠洲的生態脆弱性進行了評價。
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