等效長度 的英文怎麼說

中文拼音 [děngxiàozhǎng]
等效長度 英文
equivalent length
  • : 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...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 長度 : length; longitude; size; extent; footage
  1. 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,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全錨固錨桿的中性點理論,從均化的角來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;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的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. Further more, this algorithm also provides the criterion distinguishing edge inflexion and sleek curve section and the method computing inaccurately curvature radius and approximate perimeter. the paper also introduces the use method with cell edge hollow repairing and overlap or conglutination cell segmentation. for example, this algorithm has proved high - speed and has a good effect of cell segmentation on more than twenty groups of conglutinate and absent cells which are gathered from three kinds of cells

    同時給出了利用這些參數判別邊界角點,邊界光滑段的判據,以及估算曲率半徑,的方法;最後,以細胞邊界凹陷的修補和重疊細胞粘連的分割為例驗證了演算法的可行性,該演算法在採集到的30餘組粘連和缺損細胞上進行了驗證,結果表明,該演算法處理速快,分割果良好。
  3. To further reduce equivalent series resistance and improve long term reliability, the leads are then soldered with lead free silver solder

    為了進一步的減少串聯阻抗和改善,期的信賴,引線是以無鉛銀焊錫來接焊
  4. On the basis of modern blasting theories, the moving process of explosive stress field of multi - row and simultaneity is analyzed and the characteristics of stress field inspired by equivalent effect cell of globosity charge in cylindrical charge structure are considered. thus energy distributing equation of detonator explosion is established and the explosive energy utilizing rate factors are known. so the moving process model of the hole filling is constructed and the equation of calculating reasonable filling length is produced

    本文在現代爆破理論的基礎上,分析了多排同段爆炸應力場的作用過程以及柱狀裝藥結構中單元球狀藥包所激發的應力場特點,建立了炸藥爆炸能量分佈方程,明確了影響爆炸能量利用率的因素,構建了炮孔充填物運動過程模型,得出計算合理充填方程。
  5. In order to obtain the most economic benefits, the paper utilized the theory of " homalographic characteristic " and " share alike compensation current characteristic " to build up the best compensation relation for " hour - current " curve applied to transformer substation and for " length - current " curve applied to distribution line

    以獲得最大經濟益為目標,利用「面積特性」和「補償電流分特性」理論。推導了應用於變電站的「時間?電流」曲線關系中存在的最佳補償關系,以及應用於配電線路的「?電流」曲線關系中存在的最佳補償關系,及補償后的經濟益計算模型。
  6. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲相控線陣換能器聲場的指向性的基礎上,就各個晶片幾何參數對指向性指標(主瓣寬、旁瓣幅、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互輻射、有檢測區域、精確控制能力、近場方面的影響進行了論述,並在綜合各方面影響的基礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。
  7. By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs

    本文利用多組態dirac - fork ( mcdf )理論方法,通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數,系統地研究了弛豫和相關應對中性ne原子2p ~ 53s ~ ( 1 . 3 ) p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響,給出了和速兩種不同規范下激發態的能量和輻射壽命;以中性ne原子的研究為基礎,進一步研究了類ne電子系列離子( z = 11 - 18 )較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。
  8. Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system

    因而干涉儀系統達到高精的基礎是:頻率及頻差穩定的雙頻激光源、穩定的;測量光與參考光合光後有很高同軸的光路結構;能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。
  9. The main factors which affected the flight stability quality included : forward flight speed, slung - load and helicopter mass ration, slung - load aerodynamic forces and cable length, etc. through adjusting the above structure and performance parameters, rational flight parameters can be decided, which can ensure the safe helicopter mission operations of the slung - load flight

    影響飛行品質穩定性要求的主要因素為:直升機飛行速、吊掛物/直升機質量比、吊掛物氣動特性、吊掛鋼索。通過對上述結構參數、性能參數的調節,可確定合理、經濟的飛行參數,保證安全、高的完成直升機機外吊掛飛行運輸任務。
  10. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    利用基於變步中心差分格式的顯式積分方法分析瞬態軋制過程;提取穩態單元集節點形成截面網格;利用隱式積分方法分析軋制道次間隙瞬態溫場;對型鋼斷面進行平面四邊形網格劃分並映射節點溫數據;利用六面體單元構建有限元分析模型,映射單元節點的溫、積分點的塑性應變,進行數值分析。
  11. The bulk of effect on dredging river for deposition reduction is relative to chosen datum of dredging channel geometry parameter. geometry parameters include dredging channel length, morphology of transversal section and longitudinal slopes

    挖河減淤果的大小與挖槽幾何參數的選值有關,幾何參數包括挖河、斷面形態及挖槽比降
  12. It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between

    在公式推導的基礎上,結合相關試驗資料,研究了體外筋的形狀、彎矩區、梁跨高比、有張拉預應力、體內受拉筋配筋率、混凝土強、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段(雙折線型體外筋的情況)以及荷載類型對體外預應力混凝土簡支梁受力性能的影響。
  13. 3 the design theories of cooling pipe of play down internal temperature of mass concrete about diameter, length, arrange method, rate of flow, current velocity, reduce heat time, temperature disparity to in and out, reduce heating result etc. 4 the theory of influence about concrete internal temperature and concrete crack because of transform of mixture ratio and pulverized fuel ash sophisticate quantity

    西安建築科技大學博士生論文一;一;一一『一一一3降低大體積混凝土內部溫常用的冷卻水管的管徑、、布置方法、水流量、流速、降溫時間、進出水口的溫差、降溫的設計計算理論。 4配合比及摻加料對混凝土內部溫和混凝土開裂的影響理論。
  14. The author builds the units reliability increasing model based on the eigenvalue with equivalent practicable degree and usableness coefficient of the 200mw units of jingyuan power plant. the actual data indicated that the model can analyze the rising rule of units reliability may be analyzed by this model, and the data are transmited to all the management departments it provides basis for right management decision

    本文根據靖遠電廠200mw機組運行可用和可用系數為特徵量建立了機組的可靠性增模型,並經過了實際數據的驗證,表明採用該模型可對機組的可靠性增規律進行分析,並可將這些數據及時傳送到廠里各級生產管理部門,為正確的管理決策提供確切的依據。
  15. The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms

    其中主要影響因素包括:菌種的影響,菌種在不同的環境中和對不同碳鏈的碳氫化合物表現出不同的降解率;石油物質本身物理化學特性的影響,如石油物質在水體或土壤中的濃以及石油的粘、沸點、折射率特性;生存環境條件的影響,在接種入高率的降解菌或利用土著微生物進行降解時,降解率受到生存環境中各種條件的影響,如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫、鹽
  16. And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made. the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al. on efficiency and gain are analyzed in detail

    並對34ghz兩腔迴旋速調管的注?波互摘要作用進行了大量的數值模擬研究,分析了漂移區、電壓、電流、速lhq值、磁場k , ; 、注入波功率多種因素對互作用電子率及增益的影響。
  17. High - thick pulp has the remarkable result as little cut off to fibre and fibrllation, and the flexibility of the fibre is fine. it can protect the fibre length of such shortstaple as broad leaf wood and grasses etc. effectively

    高濃磨漿,對纖維切斷少,分絲帚化果顯著,而且纖維的柔韌性好,可有保護闊葉木和草類短纖維的纖維
  18. The condition under which higher - order dispersive effects can be neglected is also discussed with numerical examples. 6. based on the fourier optics, the focusing of ultrashort pulses by a silica lens in both cases of constant beam waist and constant diffraction length is studied considering dispersion of first, second and higher order, respectively

    6 ,使用傅立葉積分變換法,在考慮透鏡色差和高階色散應的較為一般情況下,分別研究了束寬超短脈沖高斯光束和衍射超短脈沖高斯光束通過硅玻璃透鏡的聚焦特性。
  19. The results show that : the lose of pressure is small when air velocity and the longth of honeycomb potter heat storage bed are varied ; but the switch time of air and the bulk of storage bed play important roles as regard its dynamic thermal performance

    結果表明:蜂窩型陶瓷蓄熱體換熱器的壓力損失隨著空氣流速以及蓄熱體的不同而變化,但總體上說,其壓力損失並不大;四通換向閥的換向周期和蜂窩陶瓷蓄熱體換熱器的體積是影響其溫率和熱回收率熱性能的重要因素。
  20. Abstract : it was deduced that the shapes of magnetic particle indicationsof point - type defects on workpiece surface depended on the resistance of carrier medium, and their dimensions depended on the volume of the defect equivalent cuboid, the magnetising characters of workpieces and magnetic particles, the strength of magnetic field, the lengths and sections of magnetic particles and the resistance character of carrier medium

    文摘:推斷出工件表面點狀缺陷磁痕的形狀取決于磁粉載體的介質阻尼力,磁痕大小取決于缺陷方槽的體積、工件和磁粉材料的磁化特性、磁場強、磁粉和橫截面積以及載體介質的阻尼特性
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