等變線的 的英文怎麼說

中文拼音 [děngbiànxiànde]
等變線的 英文
isograde
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 4次方是 The fourth power of 2 is direction
  1. 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類型識別、孔滲特徵測井地質解釋以及儲層裂縫發育和分佈規律進行深入研究便成為本文研究出發點。為此,本文從測井地質角度,針對當前裂縫性儲層測井地質解釋與評價現狀,在綜合分析當前國內外儲層裂縫分形分維研究成果基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中m指數、 n指數分形分維特性深入淺出論述以及裂縫性儲層段測井曲分維d _ ( fa )與m指數理論推導,根據裂縫性儲層測井曲形態分維值地球物理意義? ?曲化越復雜,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值越高特徵,提出了改進基於盒維數測井曲網格覆蓋法,編程計算了裂縫性儲層段常規測井曲(如聲波和電阻率曲)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區塊裂縫油藏進行應用研究,效果十分理想: 1將計算得到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區塊下白堊統裂縫性儲層類型識別。
  2. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果基礎上,對錨桿與圍巖相互作用機理進行研究,利用全長錨固錨桿中性點理論,從效均化角度來考慮錨桿對圍巖加固作用,並推導了在簡單荷載作用下,含有襯砌、效加固后圍巖、原始圍巖三者彈塑性解析解,對工程設計有著重要參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題有限元方程計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文理論基礎:最後,論文以南水北調東穿黃隧洞穩定性分析項目為工程實例,利用本文所述接觸問題摩擦模型理論,對錨桿支護結構應力場、位移場化規律進行了研究,分析了加錨支護對隧洞圍巖應力、影響。
  3. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有限元分析技術發展,目前大多集中在建立良好用戶界面上研究仍存在許多應用上局限性,其中對任意剖面上可視化研究仍處于方興未艾階段。要實現任意剖面上可視化處理,必須先將得到有限元計算結果進行再處理,因此在演算法上分為兩部分:求任意剖面上物理量值演算法及二維演算法。前一部分以彈性力學中「任意斜截面應力」為理論基礎,利用性插值方法得到截面與單元棱邊交點坐標及交點物理量值;在此基礎上;根據已得到單元及節點序號表、應力應物理量表,總結出一種基於有限元剖分網格快速生成二維演算法。
  4. With the aid of this technique, the precision of fault location could be greatly immune to the external interference, which comes from the variation of line parameters, especially for the variation caused by tough climate or severe chilliness in some areas where the line passes by

    高壓架空輸電參數隨氣候因素化是一個帶有普遍性問題,在地形復雜、氣候惡劣或高寒地區尤為嚴重。
  5. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式直流直步進電動機開環數字控制;利用v f換和復合鍵控方法實現了系統轉速參數數字設定;利用細分控制技術保證了電機運行平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直步進電機行程末端機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。
  6. Ranunculaceae a highly variable family of about 2450 species of dicotyledonous plants that includes the buttercups, monkshood, anemones, clematis, delphiniums, and hellebores

    毛茛科:雙子葉植物中高度一個科,約有2450個種,包括毛茛,烏頭,銀蓮花,鐵蓮,飛燕草和藜蘆
  7. Ch400 transformer coulometer can be widely applied in test on production line of small manufacturer of transformer or rectifier power or in labs

    Ch400壓器電量測量儀系列可廣泛用於各種小型壓器或整流器電源廠家生產流水測試,實驗室試品試驗場合。
  8. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於射影幾何理論,論文圍繞3d不特徵提取和應用進行了如下研究工作: ( 1 )系統總結了射影幾何中若干基礎概念,包括:透視成像相機模型、射影對應、交比不量、基於不同幾何換下簡單對比、對極幾何中基礎矩陣、對極點、對極
  9. 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基礎上,根據圓錐形、楔形陰極真空微電子三極體不同特點,分別建立了物理和數學模型,在考慮空間電荷密度影響前提下,以有限元法為基礎採用迭代方法計算出真空微電子三極體內電勢分佈情況,繪制出了、電子軌跡,並得到了器件電學性能隨幾何參數化情況。
  10. The dynamics of a tractor - implement combination were complex in the atrocious working environment and fluky work status. a lot of components were not assured. the system had an evident non - linearity problem about large inertial and response lag due to its machine and hydraulic structure

    拖拉機作業機組在作業過程中,作業環境比較惡劣,作業工況復雜多,其動力學問題很復雜,不確定性成分較多,此外,機組機液結構系統慣性較大,響應滯后性問題突出。
  11. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是:當車輛滾翻時, rops能刺入未凍土壤而阻止車輛進一步滾翻,降低滾翻車輛對系著安全帶司機軋傷可能性;保證rops在碰撞和沖擊形不大地面(如凍土、混疑土上、巖石)時,能具有相當大抗連續沖擊能力;當車輛已經處于顛覆狀態時,已經rops應能支撐住整車。落物保護裝置(簡稱fops ) ,其構件布置方式要能遮蔽墜落物體(如,樹木、巖石) ,以便對司機提供適當保護。本課題主要通過了解國內外有關對rops fops研究情況和有關國際標準制定,對大型推土機傾翻和落物保護裝置進行研究,在理論分析基礎上,通過建立rops fops力學分析模型,推導彈性、彈塑性階段rops fops計算公式,建立一套可行rops fops性有限元分析計算方法。
  12. As one of frame data of national spatial data infrastructure, digital elevation model excels contour line. it can express continuous gurgitation of ground, and it can also carry out relevant mathematical analyses and imitation, so it is applied broadly in various fields at present

    =數字高程模型dem是國家空間數據基礎設施框架數據之一,其彌補了不足,既能表示地面連續起伏化,又適合作相應數學分析和模擬,現在已在各個領域得到了廣泛應用。
  13. It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results

    對于復雜性導彈制導系統,很難求得其解析最優制導律,只能求得開環數字解,不能適用於具有時不確定性導彈制導系統.利用神經網路學習和推廣能力,對開環數字最優制導律進行離學習,作為閉環神經最優制導律在應用.研究分別選擇系統狀態量和視角速率不同神經網路輸入對制導系統性能影響,以及各種制導律魯棒性問題,並採用模塊化神經網路結構提高神經網路學習和推廣能力,模擬結果得到一些有益結論
  14. Based on the fromer study of mine tectonic, hydrology, tunnel deformation, etc., 3 - d numerical simulation of current tectonic stress field of lvjiatuo coal mine was done in this thesis, combining with local hypocenter mechanism solve and relational stress in - situ measuring value regression analysis has been done to the simulation result, and the reasonable results are gained those will offer dependence for disposing the tunnels more rational and making tunnel supporting more economical and safer

    摘要本文在前人對呂家坨礦進行礦井構造、水文地質、巷道研究基礎上,結合該地區震源機制解及有關應力實測值,對礦區現今構造應力場進行了三維數值模擬,並對模擬結果進行了性回歸分析,得到了與現實較為符合結論,為更合理巷道布置和更經濟而安全巷道支護提供依據。
  15. Some nonlinear discrete inequalities of ou - iang type in n independent variables

    個無關歐陽型非性離散不
  16. On some nonlinear integral inequalities of the ou - iang type in n independent variables

    個獨立歐陽型非性積分不
  17. And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor

    採用isa內部總;介面主要有模擬量輸入介面、模擬量輸出介面、開關量輸入輸出介面,課題分別選用pc - 6330d型a d板卡、基於isa總型號為pcl - 728d a板卡、型號為ipc - 5375i o板卡;另外,課題選用了微動式行程開關、壓力送器作為傳感元件檢測系統,選用繼電器、電磁控制換向閥實現對氣缸、電機控制;採用vc + + 6 . 0編制控制軟體,實現了纖維鋪放技術計算機控制。
  18. With the changing of computer - accounted information system in information handling process 、 inner control 、 information storing intermedium and recording method, it produces effects on these, such as audit indexes 、 audit contents 、 audit technologies 、 auditors of quality and estimation of audit evidences

    會計電算化信息系統在信息處理流程、內部控制、信息存儲介質和存取方式方面化,對高校內部審計審計索、審計內容、審計技術、審計人員素質、審計證據評價方面都產生了影響。
  19. The brief proof is given for " row elementary operations keep the linear relationship of column vectors of matrix ", by using multiplication of partitioned matrix and the relation between elementary matrix and elementary operation

    摘要利用初矩陣與初對應關系及分塊矩陣乘法,給出「矩陣行初換不改其列向量組性關系」一個簡易證明。
  20. Finally, applying the current basis function of three - term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters

    最後,用矩量法,採用正弦插值基函數,研究地面上方垂直、水平輻射特性和輸入阻抗隨著頻率、離地高度、地面參數情況。
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