積分尺度 的英文怎麼說

中文拼音 [fēnchǐ]
積分尺度 英文
integral length scale
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 尺名詞[音樂] (中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」) a note of the scale in ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  1. Climatological characteristics, which can provide some drought or flood years with large - scale background, are investigated for large - scale water vapor transport over asian - australian monsoon region based on vertically integrated water vapor flux by pentad from 1980 to 1997. at the same time, the differences of moisture transport over the yangtze river basin between drought and flood and the moisture budgets over eastern china from april to september are examined. major results are as follows : i

    使用1980 ? 1997年垂直的整層水汽輸送通量資料,從氣候平均的角析了亞澳季風區大水汽輸送演變和偏南風水汽輸送在東亞地區推進的氣候特徵,為研究異常年份旱澇事件的產生提供了相應的大背景;同時還討論了長江流域旱澇年水汽輸送的差異以及4 - 9月我國東部各區域的水收支情況。
  2. The accumulation and transportation of moist available potential energy and the release of the condensation heat offer the material condition for this heavy rainfall. under the condition of the air ' s movement through the stiff moist isentropic surfaces, the development of vertical vorticity of mesoscale low vortex system is accelerated due to the slantwise vorticity development, and to form stronger convective system, so as to result in heavy storm rainfall

    濕有效能量的聚和輸送為強降水的發生、發展提供了充的物質條件;由於沿陡立等熵面的空氣上滑運動,因傾斜渦發展造成了中低渦系統垂直渦迅速增加,促進了低渦的快速加強,形成強對流系統,導致強暴雨過程的發生。
  3. It is firstly found that for alloys in metastable region, with enhancement of atomic interaction energy, volume fraction and density of " phase particulate are increased, size and nucle ' ation rate of ordered phase raised, decline pace of composition in disordered matrix around the order phase is accelerated, composition order parameter and long range order parameter of ordered phase increased, i. e. process of clustering and ordering are accelerated

    首次發現,隨著原子間相互作用勢的增加,亞穩區合金中有序相的體數和顆粒密有所增加,有序相的寸和形核率有所提高,有序相周圍的無序基體濃的降低有所加快,有序相內的成序參數和長程序參數有所提高,即促進了原子簇聚過程和有序化程
  4. On the base of summarizing and evaluating chinese soil erosion models, this paper brings forward future developing directions that the soil erosion models should pay attention to : ( 1 ) paying attention to the theory researches of soil erosion models, consummating from erosion factors basis erosion prediction to erosion processes quantity and theory researches, studying each erosion factor and its interaction impact on erosion processes, and sediment dispersion, transportation and deposition action on complex slopeland, as well as different catchments scales ; ( 2 ) reinforcing the study of gravitation erosion and cave erosion mechanism, and big and middle scale catchments erosion models ; and ( 3 ) making the best of advanced rs and gis technology, providing plentiful datum for erosion models researches, making and for soil erosion models checkout

    在總結和評價中國土壤侵蝕模型的基礎上,提出了今後土壤侵蝕模型應該注重的發展方向: ( 1 )注重土壤侵蝕模型的理論研究,將從以侵蝕因子為基礎的侵蝕預報向侵蝕過程的量化研究和理論完善,研究各侵蝕因子及其交互作用對侵蝕過程的影響,泥沙在復雜坡面以及不同流域間的散、輸移和沉作用; ( 2 )加強對重力侵蝕、洞穴侵蝕機制的研究,加強對大中流域侵蝕模型的研究; ( 3 )充利用先進的rs 、 gis技術,為侵蝕模型的研究提供大量的數據源,以利於對土壤侵蝕模型的檢驗。
  5. The results show that the composites were more wear resistant than the matrix, contributing to the " volume effect " and " size effect ", the wear resistance increases with the particle content and size. the composite shows better wear resistance than high chromium cast iron material especially in low load and fine abrasive test condition. the results also indicate that the composite strengthened by ageing treatment was more wear resistant than as - cast composite

    磨損試驗結果表明,鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料具有比較高的抗磨料磨損能力,而且其耐磨性隨著鑄造碳化鎢顆粒體數及寸的增大而提高,表現出了強烈的「體效應」及「寸效應」 ,尤其是在低載荷、細磨料磨損條件下,復合材料表現出更好的而寸磨性,即使與高鉻鑄鐵( cr28 )相比也有很大程的提高。
  6. And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces

    於是,在再生核空間中,利用運算元建立了空間與hilbert空間的等距同構關系;並且從haar小波出發,由折疊法實現的空間中多析通過變換得到中多析和正交小波,使得再生核空間可以由小波空間來刻劃;從而對空間中的函數,給出了小波逼近具體表達式和相應的采樣公式,形式簡單易於數值析。
  7. The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain. in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program, facilities involved in the nonlinear viscoelastic crack tests are relatively few, the test process is relatively simple and the data obtained from the experiments are credible. on this basic, the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived

    具體成果包括: 1 、證實了雙懸臂梁試件用於非線性粘彈性裂紋擴展實驗研究的優點:雙懸臂梁試件在實驗中能觀測到的擴展過程持續時間比較長,在計算j時,計算方法簡單; 2 、得到了改性聚丙烯材料用於非線性粘彈性裂紋擴展實驗的兩種有效的試件構形和相應的試件寸;採用不斷改善夾具的方法使得加載穩定; 3 、經過連續四個多月的時間得到了一組有用的實驗數據; 4 、得到了裂紋長與時間的關系、裂紋擴展速與時間的關系、裂紋擴展速與裂紋長的關系。
  8. It is directed by the 1atest theory of terrain stickin plate tectonic, and based o n petrographical series and stratum layers. from the aspects of structural analysis, stratigraphy, petrology, sedimentology, structure geology, remote sensing geology, geophysics as well as tectonics, the author put the ordos basin into a bigger and deeper studying field while using the combination of sedimentation and structure analyses, the data of outcrops around the basin and the deep drilling coring data in the middle of this basin, geochemistry analysis, seismic methods and non - seismic methods, etc. this paper discussed the relationship between the crystalline basement and the suprastructure in and surrounding the ordos basin, and also the influences of deep geology on the basin platform cover, and some new point of view and better understanding have been brought forward on the basement growth of ordos basin and it ' s platform cover

    論文以板塊構造研究的最新地體拼貼理論為指導,以巖系、地層為基礎,將沉與構造析相結合,並以地層學、巖石學、沉學、構造地質學、遙感地質學、地球物理學、大地構造學等多學科入手,在充整理現有資料及前人研究的成果基礎上,利用盆地周緣野外露頭以及盆地中部鉆井深部取芯資料、地球化學析資料、地震、非地震等資料將鄂爾多斯盆地置於一個更大的,更深的范疇,討論了鄂爾多斯盆地及其周緣地區結晶基底與淺層構造之間的關系,探討了深部地質對盆地蓋層的影響,以不與前人雷同的視角對鄂爾多斯盆地基底發育及其蓋層中存在的問題提出了新的觀點和認識。
  9. In general, this gis has following characters : i ) this gis provides strongly query function for sub - compartments and compartments such as from map to table, from table to map and from table to table ; ii ) this gis provides strongly report outputting function ; iii ) this gis create zst landscape structure evaluation function

    析是採用單位蓄量和中山陵tm4波段影像( 256 256像元)的灰值兩種指標為3個和8個對中山陵景觀進行析,結果表明可以將中山陵森林景觀為3個(小班、林班和作業區)進行經營管理。
  10. 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

    作為對比,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有益的參考,得出了一些很有意義的結果: 1大環流背景析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關,攜帶大量水汽的偏南氣流與冷空氣於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的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文析之陜西強降水的發展與維持。大形勢析表明,東高西低形勢場、低空急流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流的經向垂直環流,暴雨區處于該垂直環流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合聚主要在對流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。
  11. The strong convergence areas, which are coincide to the big rain belt, mostly lie in the planetary - scale water vapor transport. iii

    夏季垂直的水汽輸送通量強輻合區大多位於行星水汽輸送大值帶中,和降水大值區之間有很好的對應關系。
  12. The integral method via a scaling and squaring algorithm with the pade approximation is presented. the three - stage lobatto iii a formula is applied to structural dynamic time history analysis. and the three - stage lobatto a formula to use hermite third order interpolations to solve interpolating middle input between two boundary points is present, which provides more accurate solutions

    提出了基於自適應變pad函數逼近的精細方法;建立基於lobatto a一階代數微方程邊界問題數值求解技術求解結構動力學問題的時程析方法,提出了中間插值點hermite三次插值lobatto a數值逐步時程析方法。
  13. The model includes the obscuration ’ s character of position, shape, scale, number, area percent, greyhound, and it also includes the sampling frequency of analyzing the obscuration and the area of optical component

    該模型包括散射點位置,形狀,,數目,散射面比,灰,還包括析散射點的采樣頻率,散射點所在的光學元件面等特徵。
  14. The interpolate technology just like a " ruler ", the resolving power of the " ruler " affect that the sampling points are arrayed correctly on time axis, and is determined by the multiple of the double slope integral amplifier. so it is core in the whole project. the project apply the complicated program logical device ( cpld )

    內插技術的應用使得隨機采樣理論能夠得以實現,內插技術相當于測量用的「子」 , 「子」最小辨能力決定了最後采樣點重新在時間軸上位置排列的真實可靠程,這里子的最小辨能力是由雙斜率時間擴展器放大倍數決定的,所以說該模擬充放電放大電路在整個方案中是個很關鍵的部
  15. Because of the joint - influence of the physiognomy and land use, the result showed that the infiltration properties of soil had significant variability in the catchment scale, and conformed to normal distribution

    受土地利用和地貌的綜合影響,土壤初始入滲率、穩定入滲率和前30min累入滲量在流域內呈中等變異性,均服從于正態佈。
  16. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微方程,並採用goast - redfem法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫場傳熱學理論對生物質傳熱過程及充熱解時間理論進行了研究,解析推導出了不同寸生物質顆粒中心溫達到充熱解溫的時間( t ) ,得出了理論推導的充熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  17. According to the relation between gear wear and its vibration, continuous wavelet transform is introduced to estimate the wear condition, the energy values of continuous wavelet on scale fit a spline which is much like that of the wear course of the gear

    最後,將基於連續小波變換的信號處理方法引入變速箱齒輪的磨損估計。根據信號的連續小波變換的能量譜對值,擬合得到齒輪的磨損過程曲線。
  18. So a new method ? scale analysis method ( or called fractal analysis method ) is applied to study the flood of jialing river basin. the scaling hypotheses is applied to the relationship of annual maximum flood and drainage area. and basing on the scaling lognormal model with two parameters introduced by smith, a lognormal model with three parameters of flood is introduced to represent the scale effect of drainage area in annual flood peak distributions

    在洪水區域析中一般採用洪水指標法,但該法的基本假定與實際情況存在矛盾,因此本文採用一種新的析方法? ?標析法(或稱為析法)來研究洪峰的區域變化,將標不變性引入年最大洪峰流量? ?匯流面關系中,並將其用於嘉陵江流域的洪水,另外,本文在smith提出的具有標性質的二參數對數正態佈模型基礎上創造性地提出了三參數對數正態佈模型來表徵年最大洪峰流量佈中匯流面影響。
  19. Research into turbulence integral length scale by piv

    技術研究湍流積分尺度
  20. Methods for analysis of turbulence integral length in atmospheric boundary - layer

    大氣邊界層湍流積分尺度析方法
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