面積利用系數 的英文怎麼說

中文拼音 [miànjīlìyòngxìshǔ]
面積利用系數 英文
area utilization factor
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 積 : 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...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 面積 : [數學] area
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. 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，用垂向上砂體密度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，利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，包括儲層厚度分佈、孔隙度以及滲透率，並且成圖；利用變差函數法，通過球狀函數模擬，確定儲層優勢滲透率方向：根據流動單元法，以儲能系數、容積系數以及凈毛厚度比三個參數為依據，通過聚類分析方法進行流動單元劃分，並且按照參數特徵將其分為五類，統計各砂層有利流動單元區塊。
  2. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  3. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于正則曲線的情形，我們發現了兩個用於求解p -彈性曲線的結構方程的killing向量場並用積分將p -彈性曲線在一個柱面坐標系中表示出來，而對仿射星形曲線的情形，我們用積分方法解出了歐拉-拉格朗日方程，利用killing向量場及線性李代數s1 （ 2 ， r ） 、 s1 （ 3 ， r ）和s1 （ 4 ， r ）的分類將高階結構方程降為一階線性方程，因此我們用積分完全解出了中心仿射p -彈性曲線。
  4. As the popularization and application of integrate logistics support engineering thinking at our country industry field and the military continuously, the evaluation of equipment integrate logistics support capability become the mostly means to check up the stand and fall of equipment character of supportable design, the efficiency of the equipment using supportability and the decision - making to equipment ' s continuous model development, at the same time, along with the development and maturity of computer simulation technique, the research of analysing and evaluating equipment ' s effectiveness steps into a new stage, we can get the handle and maintain data on the base of originally lasting accumulating in existence by utilizing the computer emulating technique, which is necessary to analyzing and evaluating the ground - to - ground missile ' s integrate logistics support effectiveness, via simulating the handling and maintaining process of ground - to - ground missile weapon, we can evaluate the ils effectiveness comp rehensively, impersonally, veraciously, consequently, provide decision - making gist to make the best support project

    隨著綜合保障工程思想在我國工業界和軍方不斷普及和推廣應用，裝備綜合保障能力的評估成為檢驗裝備保障性設計好壞、裝備使用保障效能高低以及裝備后續型號發展決策的主要手段，同時隨著計算機模擬技術的不斷完善和成熟，裝備效能分析與評估研究進入了一個新階段，我們可以在導彈武器綜合保障效能分析與評估所需使用與維修數據原始積累的基礎上，利用計算機模擬導彈武器在真實使用環境中的使用維修過程，達到對導彈武器系統的綜合保障能力進行更全面、客觀、準確的評價目的，從而為裝備保障部門制定最優的保障方案提供更好的決策依據。
  5. Using the combinatorial method of constructibility and the technique of exchanging colors, we present the best upper bounds of dynamic chromatic number of halin graphs and sp graphs, and determine the dynamic chromatic number of a type of sp graphs, we determine the incidence chromatic number of some descartes product graphs and some join graphs. at last we determine the entire coloring number of 1 - tree and prove a conjecture of edge - face coloring

    利用構造性組合方法和換色技巧給出了halin圖和系列平行圖動態色數的最小上界，並確定了一類特殊系列平行圖的動態色數，確定了某些笛卡兒積圖和某些聯圖的關聯色數，確定了1 -樹圖的完備色數並證明了有關邊面著色的一個猜想。
  6. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分：首先利用frank源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化，靜浮力的計算精確到船體瞬時濕表面積，最後用四階龍格?庫塔方法在時域內求解船舶運動方程，並進行了載荷計算。
  7. Abstract : according to the base flow separation results from hydrographs in many watershed, the best regression equation expressing the relationship between annual precipitation infiltration coefficient and the weight of different strata area to total area of the watershed is established. the equation can be used to calculate the precipitation infiltration recharge for different ground water basins in which the strata distribution and the precipitation are given. the precipitation recharge is equivalent to the ground water recharge in some mountainous area where the exploitation of ground water resources are far from being sufficient

    文摘:降水入滲補給系數與地層相關分析的目的，是為推求山丘區降水入滲補給量.魯中山丘區是由各種不同地層出露組成的山丘區域.在多個水文流域基流分割基礎上，建立流域年均降水入滲補給系數與各種地層出露面積占流域總面積權重間的最佳回歸方程，利用該回歸方程和地層分佈及降水量推算不同地下水流域的降水入滲補給量.在地下水開發利用不高的山丘區，降水入滲補給量即為地下水補給量
  8. This study run through the basic idea of ecoregional approach methodology and systematic design by integrating agronomy, ecology, environmental economics, resource economics and maths. the study methods included macro - and micro - analysis, qualitative and quantitative analysis, theoretical and case study, statistical analysis and model simulation and so on. resources shortage and environmental pollution casued by intensive agriculture were examined for a specific suburban area shunyi district beijingissues were systematically analyzed including landuse changes, landuse driving force, water - limited yield simulation with wofost model, ecological, environmental and economical analysis of landuse, as well as optimizing pattern of landuse with rcsadss model

    本研究立足於生態區域法的基本思路，採用系統設計的思想，通過農學、生態學、環境經濟學、資源經濟學、數學等多學科的交叉與融合，宏觀與微觀、定性與定量、理論與實證研究等相結合的方法，運用統計分析、模型模擬等技術手段，在大量調研基礎上，針對目前大城市郊區農業用地中存在資源短缺、環境污染等問題，以北京市順義區為典例，從土地利用現狀與動態、驅動力、 wofost模型產量模擬、生態環境經濟分析及種植業結構優化模式等方面進行了系統研究，獲得如下研究結果： （ 1 ） 2002年順義區的土地利用仍以農業用地為主，耕地、園地、林地和牧草地之和占總土地面積的56 ，農用地中糧食作物仍佔43 。
  9. Employing the interlaced scanning, current tv system can compress the frequency band of tv signal effectively and facilitate transmission. but this method reduces the scanning lines of pictures and the frequency of the field. it leads the pictures displayed on tv to have such disadvantages as large area flicker, edge flicker, interlace flicker, raster visibility and creeping line etc. to satisfy people " s vision feeling better, the big - screen, multi - function and high quality tv - set have been made great progress

    現行的廣播電視系統由於採用隔行掃描方式，從而有效地壓縮了電視信號的頻帶，有利於傳輸；但由於這種方式使得圖像的掃描行數少，場頻低，導致了重顯的電視圖像有大面積閃爍、邊緣閃爍、行間閃爍、行結構可見及行爬行等。
  10. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  11. We use the c / s module, which provides technology means of land - use planning management flowing work. the flowing of graphic data and text and the function of leader examining is realized in the system by storage operational sign, which promote the transparence of examining operation. by using graphic editor function and spatial analysis faculty of gis, various especially function of graphic editor and area statistic for land - use operation are provided in this system

    本系統採用c s運行模式，為土地利用規劃管理工作的網路化辦公提供了技術手段；應用存儲業務標識信息的數據庫設計思想，為項目用地規劃審查業務信息的網路流轉以及領導督辦、督察功能的實現提供了技術方法，提高了土地利用規劃管理工作的透明度；系統採用gis的圖形編輯功能和空間分析功能，提供了多種規劃特色的圖形編輯功能和土地管理中專用的面積統計功能。
  12. Both gleason - index and g - f index of species diversity are used to quantify biodiversity ; data obtained based on global positioning system ( gps ) and geographic information system ( gis ) is used to calculate the area and number of patches of various categories so as to ecologically evaluate changes of the landscapes

    本次研究採用gleason指數和g - f指數測度影響區的生物多樣性。在野外使用全球定位系統獲得資料的基礎上，再利用地理信息系統統計各拼塊的面積、數量等進行景觀生態評價。
  13. The optimum inclination angle is between 15 ~ 20, the length of thermosyphon will not change the phase - change heat transfer coefficient of the evaporation section and the condensation, which will enlarge heat transfer area of thermosyphon and increase the heat exchange capacity. the head - on speed of wind only stranger the heat transfer of the evaporation section and the condensation section. the experiment shows that the mathematic model closely fits to the thermosyphon, moreover, the one key to resolve the thermosyphon effect lies in decreasing the thermoresistance of evaporating section and condensation section. this study can provide directions and experience in the future research

    傾斜角越大，熱虹吸管總熱阻越大，最佳傾角在15 20之間;充液率過多或過少都會對傳熱性能產生不利影響，對于本實驗採用的1 . 75m 、 2m 、 2 . 5m 、 3m熱虹吸管，最佳充液率在20 % 35 %之間;管長對傳熱也有影響，管長不改變熱虹吸管蒸發段和冷凝段的換熱系數，只增加了熱虹吸管的換熱面積，增大換熱量;迎面風速的大小，起到強化熱虹吸管蒸發段和冷凝段換熱的目的。
  14. Improving operation decision is to reduce cost, improve profit rate and expand market share. in particular, the commerce intelligence system based on data warehouse, which efficiently analyzes & abstracts all kinds of operation datum distributed on enterprise network and separates data structure apt to structure analysis from analysis method

    特別是以數據倉庫為基礎的商務智能系統，將分佈在企業網路中各種類型的業務數據進行有效的分析、提煉，使面向構造分析的數據結構和分析方法相分離，可以有效地管理和利用企業多年來積累的各種歷史數據和統計信息，供服裝企業高層管理者決策。
  15. Fourth, according to the weibull distributing functions of equivalent loads, calculated the max loads by expanded sample method, acquired eight routine loads spectrum of each roads taking advantages of the connover classification method, calculated the respective enhancement coefficient in principle of amended miner linear accumulated fatigue damage rule, by the comparative norm of general tar - paved road, educed the mathematical model of calculating enhancement coefficient of synthesized roads

    利用數理統計的方法得到了各路面的等效載荷的weibull分佈函數。第四，根據各路面的等效載荷的weibull分佈函數採用擴展樣本法求得了各路面的極值載荷，按照connover的分級法得到了各路面的八級程序載荷譜。以一般瀝青公路為比較基準，採用修正的miner線性累積損傷理論，根據前橋的s - n和p - s - n關系式得到了各路面的強化系數，建立了綜合路面的強化系數計算的數學模型。
  16. By using the finite element numerical simulating method, and studies based on the practical project xiluodu arch dam, this paper studies systematically the type of joints, placing temperature, protection methods on the surface of concrete dams, the first stage artificial cooling method including different cooling water temperatures, cooling lasting days and cooling pipes arrangement

    本文利用數值模擬計算方法，以溪洛渡實際工程為依託，對大體積混凝土施工中常採用的溫控措施對混凝土溫度變化的影響規律進行了全面系統的研究，包括分縫分塊方式、澆築溫度、混凝土間歇時間、一期冷卻方式（包括不同進水溫度、不同水管布置、不同通水時間）等。
  17. Within 10 years i expect that low - cost drip systems will irrigate several million hectares in india alone, an amount larger than the total worldwide area under drip irrigation today

    我預期在10年內，光是在印度，就有數百萬公頃的土地是利用這種廉價滴水系統來灌溉的，比起現今全世界利用滴水灌溉的農地面積，還要大出許多。
  18. In the rotor design, it makes a detailed calculation for all the geometry feature parameters including geometry dimensions, contact line length, blowhole area and flow cross - section area and the thermodynamic feature parameters such as cooling capacity, shaft power and so on

    在轉子設計方面，對全部幾何特性參數，包括幾何尺寸、接觸線長度、泄漏三角形面積和面積利用系數等以及包括製冷量、軸功率等冷水機組熱力特性參數進行了詳細計算。
  19. Cfd is also used to get the data of performance parameters of the nozzle at different nozzle pressure ratio, different nozzle area ratio and different geometric defected angle. the theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated

    本文通過cfd計算獲得矢量噴管的性能參數，如流量系數、推力系數以及有效推力矢量角等與矢量噴管壓比、面積比以及幾何偏轉角之間的關系數據，並利用函數逼近理論建立了矢量噴管的動態數學模型。
  20. The text choose fenjin countryside of changchun as the typical district, choose rs and gis as the technological platform, utilize serial statistical data of land use from 1990 to 2002, remote sensing image and actual census data, adopt arc and statistical analysis method to analyze the change of land use structure in the process of urbanization, achieve the pace, range, trend and shift matrix of land use change ; at the same time analyzing economy, social and ecological benefit. the result shows : the agricultural area is reduced year by year, construction area is increased gradually, the social economic benefits are obviously improved, but the ecological benefits of the land drop to some extent. the urbanization process is developing quickly but it sacrifices the environments

    本文選擇長春市寬城區奮進鄉為典型區，以rs和gis為技術平臺，利用1990 - 2002年的土地利用系列統計資料、遙感影像解譯數據以及實際調查數據，採用arc方法和統計分析等方法對城市化進程中城市近郊的土地利用結構變化進行分析，獲得了土地利用變化的速度、幅度、趨勢及轉移矩陣;同時將同一時段奮進鄉的經濟、社會、生態效益的變化與土地利用變化進行對比分析，結果表明:農用地面積逐年減少，建設用地面積逐漸增多，社會經濟效益明顯提高，但土地的生態效益卻有所下降。
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