等積三角形 的英文怎麼說
中文拼音 [děngjīsānjiǎoxíng]
等積三角形
英文
equivalent triangles- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 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...
- 三 : Ⅰ數詞1. (二加一后所得) three 2. (表示多數或多次) more than two; several; many Ⅱ名詞(姓氏) a surname
- 角 : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
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For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle
流體噪聲主要來源於輸出流量脈動,造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流,在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲,本文以截流作用和液體的可壓縮性為理論依據,以matlab語言為工具,對原配流盤上的v型尖槽進行了理論計算,繪制出p - t圖線,分析了它的不足,並對原有v型尖槽進行了優化設計,得出了v型尖槽的最佳幾何尺寸:配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ,槽長5mm ,槽的橫截面為等邊三角形。On the methodological bases of simpatico comprehension and positive rational criticism, this thesis combs and explains liang shuming ' s ideas of ultimate concern from multi - dimensions, especially from the three perspectives of confucianism, buddhism and taoism, analyzing his related practical activities and investigating the reasons for forming his ideas such as the influences of families, times, and social cultural traditions. thus, the ideas of ultimate concern of " the last confucian " and his latent worrying mentality are showed clearly, and his hard train of thought for pursuing for the confucian ideas, that is, the inside integrated personality and the outside activities reforming society, was returned to original condition
本文以同情的理解和(積極意義上)理性的批判為方法論依據,對梁漱溟終極關懷思想,特別是從儒釋道三方面資源進行了多角度梳理和闡釋,並系統分析了他的關實踐活動,考察了其思想形成的原因? ?包括家庭、時代、社會文化傳統等方面的影響,從而凸顯出這位「最後的儒家」的終極關懷及隱藏在背後的憂患意識,還原了他追求儒家「內聖外王」的艱難心路歷程。The paper made an ecological anatomy, a cultivation experiment on the lime - soil habtat and an analysis on the diurnal variation of photosynthetic an transpiration rate from three aspects of morphology, transplantation, physiology. the conclusion is that : ( 1 ) from the viewpoint of morphological anatomy, it has typical xerophyte structure such as strong root system, small leaf area, dense floss under the leaf surface, high stomatal density, the small opening degree, developed vessels and palisade tissues etc
從形態學、栽培學和生理學三方面對迷迭香進行生態解剖、石灰土上的栽培實驗以及光合蒸騰速率日進程的分析,得出以下結論: ( 1 )在形態解剖上:迷迭香具有發達的根系,較小的葉面積,葉片下表面密被絨毛,氣孔密度大,開度小,厚的角質層和發育良好的木質部和柵欄組織等典型的旱生結構。The main conclusions are as follows ; firstly, under the influence of three phases of episodic activities, three two - order sequences is composed of three depositional cycles and three regional unconformities ; secondly, under the control of structure activities such as fault - block activities and the influence of three - order climate cycles and source recharge, lower cretaceous can be divided into six three - order sequence ; thirdly, because fault activities is weak and fault slope is gently, fan deltas exist in steep slopes in early and later stages and subaqueous fans exist and turbidite fans exist in troughs in middle stage
主要的結論為:其一,受三期幕式活動影響,斷陷形成了3個大的沉積旋迴和3個區域不整合面,構成了下白堊統3個二級層序;其二,受斷陷內翹傾和塊斷等構造活動的控制,以及三級氣候旋迴和物源供給因素的影響,下白堊統劃分出6個三級層序;其三,在單斷斷陷湖盆中,湖泊階段的早、晚期由於凹陷邊界斷層活動較弱,斷面較緩,陡坡可以發育扇三角洲,在湖泊階段的中期主要為水下扇砂礫巖體,並在窪槽區發育濁積扇。The height of the parallelogram equals the height of the triangle
每個三角形的面積等於拼成的平行四邊形面積的。In regard to research method, this paper adopted properties combining the qualitative and quantitative supply chain, and evaluated supply chain informationization. membership function, regular trapezium fuzzy mathematics, integral fuzzy mathematics and triangle fuzzy ahp were used to build up in index system. this paper innovated in the following points
在研究方法上,本文基於定性和定量相結合的原則,運用模糊數學的隸屬函數、正梯形模糊數、積分解模糊法等來對評價體系中的指標進行評價並量化,並綜合運用模糊數學的方法對供應鏈的信息設備利用率進行評價計算,最後運用基於三角模糊數的模糊ahp方法,來對供應鏈的信息化水平進行綜合評價。Five floating roof oil tanks with volume 2 104m3 are designed to be constructed at shuguang pump station possessed by liaohe oil field, which is located at liaohe delta alluvial plain. this engineering filed is featured with complicated topography. the oil tank foundation soil is horizontally - layered, including four layers : medium dense - dense clay, interbedding of find sand and clay, fine sand sandwiching clay and fine sand
位於遼河三角洲沖積平原的遼河油田曙光泵站計劃增建5座2 10 ~ 4m ~ 3浮頂式儲油罐,場區地形復雜,油罐地基土層分佈均勻水平,從上之下主要由中密粉土層、粉細砂與粘土互層、粉細砂夾粘土層和細砂層等4層組成。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。Abstract : in this paper the synthesis methods of silver nanostructure materials, such as nanocubes, triangular nanoprisms, nanorods, nanowires, nanotubes, dentrites, flake, nanodisks, nanobelts, and so on, were introduced, the methods include reducing precipitation, photoinduced conversion, irradiation reduction, electrodeposition, template, microwave - assisted, ultrasonic - assisted, hydrothermal assemble, microemulsion, and so on
摘要:介紹了納米立方體、三角形納米稜柱、納米棒、納米線、納米管、樹枝狀、片狀、納米盤、納米帶等納米結構銀的制備方法,包括溶液還原沉澱法、光誘導轉化法、輻射還原法、電化學沉積法、模板法、微波或超聲波輔助法、水熱法、微乳液法等。On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells
本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題,基於板料厚向變形忽略不計的先驗假設,首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形,給出了混合四邊形-三角形網格等面積展開演算法;提出了虛擬分割線的概念,採用虛擬幾何對稱軸,給出了規整四邊形單元展開基帶上結點的計算方法;採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。The surfacial sediment on the yellow river delta is so sensitive to ocean hydrodynamic condition, especially waves that soil failed and came into being a lot of unstable features : bumps and hollows, flute and groove cast of silt and collapse
黃河三角洲潮灘淺表層沉積物由於對海洋動力尤其是波浪作用的敏感,會發生破壞,形成塌陷、凹坑、粉砂流沖溝等一系列災害地質現象。Finite volume method can deal with irregular boundary conditions. in this paper, we discrete the water domain into triangular meshes, and simulate dam breaking, water droplets. the same as finite difference method, we just specify waves source, the movement of water waves can be simulated automatically
有限體積方法能夠處理具有不規則邊界水域的水流現象,在本文中,我們把求解的水域離散成無結構三角形網格,對潰壩問題、雨景等水流現象進行了模擬,和有限差分方法一樣,我們僅僅指定產生水流動畫的波源,水流動畫的細節均由數值方法產生,不需要人工的干預。The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target
本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬,然後建立滿足邊界條件的電場積分方程( efie )和磁場積分方程( mfie ) ,將物體表面的等效電磁流用rwg矢量基函數表示,最後利用伽略金法( rwg矢量基函數既作為基函數又作為檢驗函數)將電磁場積分方程轉化為矩陣方程求解未知電磁流系數,得到了表面的等效電磁流后,可以計算散射場和目標的雷達散射截面。The latest scheme for objective analysis and mathematical model of quadratic 8 spline connecting line is using for improving analysis quality. plotting test have shown that this scheme has the characteristics such as reasonable design, high quality in map analysis
一是採用三角形、矩形面積插值方案,並加入物理原則,提高了客觀分析質量;二是聯線數學模型採用二次樣條函數,大大改善了等值線的光滑和均勻度;三是屏幕等值線修改採用人機對話方式,操作十分方便。After that, further study i will give a comparative complete definition on the interaction between teachers and students in order to construct an all round theory and give an explantion on its characteristics and features. facturs and outer forms, and so on. part two - in this part in the light of former theory, combining with chinese teaching practice, i will make an active research on " the interaction " and from teachers " standpoit, i ' ll explore a new interactive teaching system, and put forward a feasible operating approach
第一部分是理論架構,研究主要以「互動」為切入點,對其追根溯源之後,給出教育學中的「互動」之義,在此基礎上進一步研究得出比較完整的「師生互動」定義,建構全面的「師生互動」理論,對其本質特徵、功能表現、影響因素、外在表現形式等作全面解釋;第二部分將以第一部分的理論為依據,並結合語文教學實踐,對語文課堂的「師生互動」進行動態研究,並從教師的立場出發,積極探索一種「師生互動」的新的教學機制,提出一套切實可行的操作路徑;第三部分將從實例的角度緊扣第二部分的研究來分析「師生互動」的語文課堂。3. interpret the contents both on the pile and difference in precious mirror of the four elements ( si yuan yu jian ) and the arithmetical triangle in treat on the arithmetical triangle ( traite du triangle arithmetique ). both works are the much earlier books study the combinatorial identities in system
三、用現代組合符號解釋了中國朱世傑的《四元玉鑒》中垛積招差部分和帕斯卡的《論算術三角形》內容,指出這兩部著作是東、西方對組合恆等式研究的較早的系統論著。In this way, the surface integral expression of spatial triangle can be obtained with triangular mesh subdivision of the closed surface, constructing isoparametric transformation, building 1 - 1 corresponding relationship between spatial and standard triangle
構造等參變換,建立任一空間三角形與標準三角形的1 - 1對應關系,推導出空間三角形上的曲面積分表達式。Then, the dielectric targets ' electromagnetic scattering is researched. an important principle of electromagnetic field theory - - equivalent theory is introduced. as well as the conducting target, the geometrical model of the dielectric target should first be built, then triangular patches are used to model the surface of the dielectric target. different from the conducting target, there has not only equivalent electric current but also has equivalent magnetic current on the surface of the dielectric target. so now should built two equations - efie and mfie to obtain the unknown current coefficients. the rcs of dielectric sphere, dielectric cylinder, dielectric cube are calculated respectively
其次,本文研究了介質目標的電磁散射,介紹了電磁場理論的一個重要的原理? ?等效原理。與導體目標一樣,先建立介質目標的幾何模型,然後用三角形面元模擬介質表面。與導體目標不同的是,在介質表面除等效電流外,還有等效磁流,因此需建立兩個方程? ?電場積分方程( efie )和磁場積分方程( mfie )來求解未知的電磁流系數。Two cases are analyzedxonducting target with coat and dielectric target with coat. for the conducting target with coat, triangular patches are used to model the surfaces of the coat and the conducting object. now there have equivalent electric current and magnetic current on the surface of the coat, but only has equivalent electric current on the surface of the conducting object. the rwg vector base functions are used to denote equivalent electric currents and magnetic current. three integral equations should be built to obtain the unknown current coefficients ; for the dielectric object with coat, triangular patches are used to model the surfaces of the coat and the dielectric object. now there have equivalent electric current and magnetic current not only on the surface of the coat but also on the surface of the dielectric object. this time four integral equations should be built to obtain the unknown current coefficients
對于塗層導體目標,將塗層外表面和導體外表面進行三角形面元剖分,在塗層外表面有等效電磁流,導體外表面僅有等效電流(無等效磁流) 。將這些等效電磁流用rwg矢量基函數表示,需建立三個積分方程來求解未知的電磁流系數;對于塗層介質目標,將塗層外表面和內層介質外表面進行三角形面元剖分,在塗層外表面有等效電磁流,內層介質外表面也有等效電磁流,這時需建立四個積分方程來求解未知的電磁流系數。分享友人