等密度法 的英文怎麼說
中文拼音 [děngmìdùfǎ]
等密度法
英文
equidensity technique-
The powder was pressed through molding and cold isostatic pressure, which increased the density and decreased the uneven distribution of stress inside the briquet to make the ceramic briquet equally compact
粉料採取模壓和冷等靜壓相結合的方法壓制,增大了坯體內部的密度並減少了應力的分佈不均,得到均勻緻密的陶瓷坯體。With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed
本文在深入研究真空微電子器件場致發射理論的基礎上,根據圓錐形、楔形陰極真空微電子三極體的不同特點,分別建立了物理和數學模型,在考慮空間電荷密度影響的前提下,以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況,繪制出了等勢線、電子軌跡線,並得到了器件電學性能隨幾何參數的變化情況。The relationship between capacitance and corrosion conditions in the enlargement of tunnels justifies the latter competition mechanism the varied etching conditions were implemented by enhancing the passivating characteristics and viscosity, changing the a13 + concentration, temperature of etchants and current pulsation. passivating acid in the etchant is conducive to the instant passivation of exposed areas on the foil surface, and hence sustains the balance of competition between aggressive anions and passivators, providing pit nucleatiori sites continuously
通過侵蝕液中添加草酸、硫酸、乙二醇,改變侵蝕液al ~ ( 3 + )濃度和電流紋波等方法,研究了不同的侵蝕條件對隧道孔形貌和比容的影響,結果表明:草酸和硫酸既保護了鋁箔表面又促進了隧道孔孔壁的迅速鈍化,增加發孔密度。This thesis described fuel management system theory and system reliability design to set forth system fuel management general design thought. many technical details are discussed in the thesis such as : fuel quantity measurement, fuel mass character calculation, fuel density measurement, the accuracy of fuel quantity measurement, the optimum location of fuel gauge probes in the fuel tank. the author brings forward a new method which is based on the software of catia to calculate fuel mass character
本文對燃油管理系統的工作原理和可靠性設計等問題進行研究,以明晰燃油管理系統的總體設計思路;並對數字式燃油量測量、燃油質量特性計算、燃油密度測量、提高燃油量測量精度的措施、油箱油量傳感器安裝位置優化等具體技術展開研究;提出了一種基於catia軟體的燃油質量特性計算方法;論文最後探討了燃油管理系統的未來發展方向。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。Dilc : a clustering algorithm based on density - isoline
等密度線演算法It is just the difficulty that the strongly correlated electron systems can not be studied by analytical methods, a variety of simulative numerical methods come out sequentially. there are a few typical methods such as the exact diagonalization ( ed ), the qutum monte carlo ( qmc ), the variation monte carlo ( qmc ), the renormalization group ( rg ), and the density matrix renormalization group ( dmrg ) and so on
正是強關聯系統遇到了解析研究的困難,各種數值模擬方法才相繼出現,最典型的數值方法有:嚴格對角化( ed ) ,量子蒙特卡洛( qmc )模擬、變分蒙特卡洛模擬( vmc ) 、數值重整化群( rg )以及密度矩陣重整化群( dmrg )等。( 2 ) the images of aam were characterized by scanning electron microscope ( sem ), transmission electron microscope ( tem ) and atom force microscope ( afm ). the results indicated that pores in the as - prepared aam templates owned nearly the same diameter, parallel arrangement, huge density and formed nano - pore arrays
( 2 )用sem 、 afm和tem等分析方法對aam的形貌進行了表徵,結果表明:制得的aam中含有大小均勻一致、排列規整、密度較大的納米孔陣列,為模板-電沉積法制備cdse納米線陣列奠定了良好的基礎。In this paper, we take a way which realizes this constraint by a nonlinear method and generalize the chiral effictive model to su ( 3 ) including the baryon octet. by this means, we obtain the chiral symmetry spontaneous breaking lagrange density which depicts the strong interactions
本文採用對這一條件進行非線性實現的方法將手征自發破缺的等效模型推廣到su ( 3 )模型,即重子八重態,得出描寫強相互作用的手征自發破缺的lagrange密度。The forecast method of formation compression the principle of forecast method is based on increasing of formation compression along with burial depth. the used parameters include velocity, density, porosity, and fluid content etc. in fact, the factor influence formation compression is very complex
4地層壓力預測方法地層壓力預測方法的基本原理建立在地層壓力隨埋深增加而增加的基礎上,所用的參數主要有巖層速度、密度、孔隙度、流體含量或與之有關的參數等。Three - dimensional high - density space / time soundings serve as the main body of data consisting of 3 - hr interval doppler probings, 10 - 30 min rainfall intensity, surface raindrop sizes sampling and gps - guided flight cloud physics detections with output taken at 2 - sec and 200 - m intervals. and specific systems associated therewith are developed for multiple - way communication and data collection and storage, a platform for analysis, retrieval softwares for dominant items and multi - scale cloud models - all constitute a system of techniques for meso to microscale observations and analysis. 2 ) atmospheric water resource and macroscopic rainfall properties in dry periods of spring and autumn of the target region
以加密觀測的多普勒雷達、 3小時探空、 10 30分鐘雨強、地面雨滴譜等間隔取樣及在gps引導下的飛機雲物理探測等獲取的三維高時空密度的綜合探測為主體;配合專項設計開發的多路通訊採集存貯系統、多類信息的分析處理平臺、主要觀測項目的分析反演軟體,結合多尺度雲系模式,綜合構成層狀雲系中微尺度探測和分析處理技術方法。The sea1 ring with complex section shape cafl be treated as a combined body made of several individual cy1 inders with di fferent dimensions. by app1ying the method used in the " edge prob1 em " of the fnoment theory of she11, the deformat ion - - - radia1 disp1acement and rotation at the two edges of each individual
應用殼體力矩理論中求解邊緣問題的方法,將密封環分解為多個等厚度、截面為單一矩形的筒體,對每一圓筒進行分析並運用殼體力矩理論求出其兩個邊緣在外載荷作用下的邊緣變形值? ?徑向位移及轉角。With the numerical solution, an internal condensation critical curve can be calculated out by condensation theory and depositing theory, on the curve, the enter water ability equal to the out water ability, which can be used as the basis to determine the occurrence of internal condensation. but the result doesn ’ t coincide with the real completely. in this dissertation, we plan to get the critical curve by practical experiment results, because that the enter water ability only relates to the condensation density and the out water ability only relate to the volume ratio of the pneumatics system
然而由凝結理論和沉積理論得到的計算結果往往與實際有一定偏差,本課題希望通過實驗的方法獲得內部結露臨界線,即系統進水能力和排水能力相等的曲線,由於系統的進水能力和充放氣過程中凝結水滴密度有關,排水能力和系統容積比有關,可以通過大量實驗總結出以凝結水滴密度和容積比表示的內部結露臨界曲線,作為判別內部結露是否發生的依據。Angular distributions for some interesting states of 12b and 13c have been experimentally measured in hb ( d, p ) and 12c ( d, p ) reactions. the density distributions, rms ( root mean square ) radii, contributions of outside nucleon, etc., of the valence neutrons in these states are extracted by dwba ( distorted wave born approximation ) method and anc ( asymptotic normalization coefficient ) method, respectively
實驗測量了11b ( d , p )和12c ( d , p )反應中12b和13c幾個感興趣的核態角分佈,分別用dwba方法和anc方法從角分佈數據中抽取了各核態外層中子的密度分佈、 rms半徑以及外層核子的貢獻等,對這兩種方法作了比較。In this paper, based on the amplitude transport equation of fast varying field and the low frequency disturbance equation of electr on density, the evolutions of the density distribution of charged particles and the collapse of electric field have been calculated numerically in two dimensions with three field components under the condition of transverse wave
所以本文採用了ftcs有限差分格式方法,利用二維三分量軸對稱,對空間飛行體與壓縮區內等離子體非穩態相互作用過程進行數值模擬,得到了電荷密度擾動與電場的變化情況。In order to solve this contradiction, reservoir engineering methods are used to estimate the exploitation process about the block, which including water drive curve method, the correlation experience method, the method of the flow pipe budgetary estimate and the method of well net density. on the basis of these method, the author studied the macrocospical distributing of remaining oil in each layer
針對單元開發過程中存在的突出矛盾,運用水驅曲線法、相關經驗公式法、流管概演算法、合理井網密度法等油藏工程方法對斷塊的開發歷程進行評價,在此基礎上進行各小層剩餘油的宏觀研究。The correlated degree of the density of deformed and failured masses and correlative dynamic force factors in tiger - leaping gorge reach are analyzed by effect measure analysis method which combines qualitative and quantitative analysis, and the key dynamic factors of bank - slope stability are established, which can provided the scientific information for origin division, evaluation, prevention of geological hazards and project planning
本文採用定性與定量相結合的效果測度分析方法,對虎跳峽河段岸坡變形破壞密度與相關動力因子進行關聯度量化分析,從而確定了影響岸坡穩定的關鍵性動力因子,可為水電開發中的岸坡災害成因類型劃分、危險性評價、災害治理和工程規劃設計等提供科學依據。( 3 ) based on the formulae obtained above, a series of theoretically equivalent form transformation is done, and the results which are more suit for programming are acquired
( 3 )對應用力密度法找形的基本公式進行了一系列的等價變換,得出了更加適合於程序編制的結果。According to the new criterion for classification of oil and gas resources / reserves ( gb / t19492 - 2004 ) issued in 2004, this paper reviews the studied methods at home and abroad for the purpose of establishment of new series of recoverable reserves such as technically recoverable reserves, economic recoverable reserves, sub - economic recoverable reserves and remaining economic recoverable reserves of oil - gas fields
摘要按照2004年頒布的新的《石油天然氣資源儲量分類》 ( gb - t19492 - 2004 )標準,為了建立和形成油氣田技術可采儲量、經濟可采儲量、次經濟可采儲量和剩餘經濟可采儲量等新的可采儲量系列,在總結國內外研究方法的基礎上,結合油田的地質開發特點,根據我國現行的財稅制度,以現金流法為主要方法,進一步研究提出了經濟極限法、井網密度法、邊際成本法、類比法等經濟可采儲量計算方法。First, a locating and ranking algorithm, based on theory of constraints ( toc ), is put forward. then, other methods aimed at different traffic measures of effectiveness are respectively advanced, which are the capacity method, delay method, speed method, investigation vehicle method, queue length method and density method respectively
文章首先提出了基於約束理論( toc )的瓶頸定位與排序方法,然後針對具體的指標提出了通行能力法、延誤法、速度法、調查車法、車輛排隊長度法、密度法等六種方法。分享友人