second calculation 中文意思是什麼

second calculation 解釋
第二計演算法
  • second : adj 1 第二的；第二次的；二等（的）。2 次等的；較差的；劣於…的 （to）。3 〈美國〉較年輕的。4 另一...
  • calculation : n. 1. 計算，計演算法。2. 推定，預測。3. 深思熟慮，精打細算；慎重的計劃；算計。
  1. In allusion to test roadway in the zhang - luo second class highway and lin - chang freeway, through hydrologic analysis, hydraulic calculation and with the analysis of highway structure, the blue print of setting drainage system, construction technique and back - check experiment are presented

    針對張羅二級公路試驗段和臨常一級公路試驗段，進行了水文分析和水力計算，並結合路面結構分析，提出了排水系統的布設方案、施工技術方案和試驗檢測方案。
  2. It is the key of ebfs, therefore, furthermore calculation about link are carried out in this thesis, introduced achieved research, summarized the affect of link on whole capability in the first, the second, numerical calculation are proceeded on link with ansys : with the purpose of discussing yielding mode critical length of link, established five different specimens ; with the purpose of discussing the influence of h / tw of web, b / tf of flange and h / b, established eighteen different specimens ; with the purpose of discussing the affect of stiffener, established four different specimens, and elaborated the affect of stiffener on link based on achieved test researches

    因此，本文對耗能梁段進行進一步計算分析，概述耗能梁段對整體性能的影響，並利用有限元程序ansys對耗能梁段進行數值計算：針對耗能梁段的屈服類型建立5種不同長度的模型，計算討論耗能梁段屈服類型的長度劃分；針對耗能梁段腹板高厚比、翼緣寬厚比以及梁段截面形狀等因素共建立了18種模型進行計算分析；針對加勁肋對耗能梁段的作用建立了4種模型，並結合已有的試驗闡述了加勁肋對耗能梁段的影響。
  3. First calculation method : doing horizontal projection drawing on drawing piece, k value is introduced by area equation of projection drawing, k value is obtained by area equation, along outline of projection drawing to add k value, that is, outline shape of blank drawing, principle area - equal and shape similar are used. second calculation method : along outline of drawing piece horizontal projection drawing, to do normal line of penetration line for wantonly point of this point, to obtain high of drawing piece on this point normal line, point and point is to form outline shape of blank

    計算方法之一為k值法：作拉深件水平投影圖，在該投影圖面積方程中引入k值，利用面積相等原理解方程，求得k值，沿水平投影外沿加上k值，即為毛坯圖的外廓形狀。計算方法之二為拉深線法：沿拉深件水平投影圖外廓，在任意點作該點切線的法線，在該法線上以該點拉深件的高度為量，在法線上取截點。
  4. First, the energy would diffuse after multiple frames accumulation and bring agglomeration effect. second, the amount of calculation and storage level are huge when the snr is low, especially the number of accumulated frames is large. to solve the problems, two methods have been resorted

    但由於其本身存在著不足，一是多幀積累后能量擴散，產生團聚效應;二是在信噪比較低時，需要積累的軌跡很多，存儲量和計算量都較大，尤其是當積累幀數較多時。
  5. In this paper, we study an alternative approach by numerical calculation. at first, we introduce the fundamental principles and the basic components of the electron linear. second, we introduce a way of coupler testing - - three frequency method. and present a example of coupler testing. third, we use numerical calculation method to simulate several accelerator structures. the hfss code and mafia code is used to simulate a three - cavity accelerator structure. the two results are compared

    因此，尋找好的方法來設計加速結構耦合腔很重要。本文首先介紹了電子直線加速器的各相關基本理論和其基本組成部件。接著，介紹了現階段耦合腔測試中常用的一種方法? ?三頻法，並給出了測量加速器耦合腔的實例。
  6. In the project of local power network short - circuit calculation, protection coupling and archive management, a second - exploitation of autocad is used to get an expected graphics system

    在「地區電網短路計算、保護整定及檔案管理程序的研究」項目中，採用對autocad進行二次開發來獲得所需要的圖形系統。
  7. While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed

    在系統實現過程中，課題首先從天線、陣列天線，以及電磁場計算方法的基本理論著手，分析了天線與拋物面天線的各項性能參數，以及天線的口面場和近-遠區輻射場的特點和計算;進而，更加深入的討論和研究影響天線陣列合成場強的各項因素，包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。
  8. In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method

    在理論計算部分，本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型，然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散，接下來針對前面所設計的全方位推進器進行了數值預報。
  9. For the stress analysis of dryers under the line load of supporting rollers, according to hoff theoretical solution of thin cylindrical shell under line loads, mangelsdorf approximate solution is modified on the basis of the calculation analysis for 14 sets dryers " dimension by computer programming with matlab software. the approximate formulas of the second largest hoop stress of the middle section of the shell are derived

    針對托輥線壓載荷作用下烘缸的受力分析，本文根據薄壁圓柱殼在線壓載荷作用下的hoff理論解，在運用matlab軟體對14組常用烘缸參數進行編程計算分析的基礎上，對mangelsdorf近似解作了修正，並由最小二乘法導出殼體中部截面環向應力次大值的近似計算式。
  10. The other classfies the calculation of mbps into the solution of inequation based on heuristic knowledge of mbps of optimal directional coordination setting in complex multiloop network and comes into equivalence of 0 - 1 integral second layout problem. on the basis of the principle of gene optimal evolution, a new approach to determine mbps is first presented and decreases the computational complexity of mbps problem

    其二，利用復雜環網方向保護最優整定配合中最小斷點集（ mbps ）的啟發知識，將mbps的計算歸結為解不等式，進而等價為0 ? 1整數二次規劃問題，基於基因遺傳優化計算原理，首次提出了mbps問題的基因遺傳演算法，降低了問題的計算復雜性。
  11. The manual introduced the total design and compute the process detailedly about the general design and the running gear design, which divided into altogether three chapter : chapter 1 for total design part of this crane, the main contents is each organization of crane and the metals structure patterns to really settle, and carry on the design to a structure of jib arm and counterbalance system by graphing method, including seeking the point, checking to calculate and school pit ; the second part is a design calculation that circulates the organization, including to circulate the organization to choose the type, the round presses calculation, the stability checking of the whole machine ; the third part is to choose the driving motion version of the hoisting mechanism

    說明書詳細的介紹了該型號起重機的總體設計及行走機構設計和計算過程，總共分為三章：第一章為起重機總體設計部分，主要內容是起重機各機構和金屬結構型式的確定，並用作圖法對臂架結構和平衡系統進行設計，包括了機構找點，驗算及校核；第二部分是運行機構的設計計算，包括了運行機構的選型，輪壓計算，整機穩定性校核；第三部分為起升機構的傳動方案選型和設計計算。
  12. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    而計算分析和二維數值模擬分析結果表明：梳狀集電結（基區）結構在不增加器件本徵集電結面積的條件下，增大了器件的本徵散熱面積和基區周長，改進了每個子器件單元內的散熱方式，提高了單元內結溫和電流分佈的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾，並有利於改善器件抗二次擊穿的性能。
  13. After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice

    之後測量了雲南天文臺激光的橫向能量分佈，根據相關定義確定了這束非高斯非球面激光的參數，應用它的傳輸變換規律和測量參數研究了調焦中激光發散角的變化，並根據測量數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ，研製出光劈解決這一問題，取得了很好的效果。
  14. Practical calculation of second - order displacement of a frame structure

    框架結構二階位移實用計算
  15. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  16. In arbitrary curvilinear coordinates, the wall function is used for treating near wall regions. the influences of two different inlet gas parameter distributions and turbulent combustion models, as well as three different afterburners on turbulent combustion flow fields and wall temperature profiles are calculated. comparisons of experiment results and calculations results show that second - moment combustion model is reasonable for modeling turbulent reacting flows, inlet gas parameter distributions is more important. calculation method is reliable and can be used for the optimum design of afterburner

    數值研究三種不同幾何形狀、兩種進口氣流參數分佈、兩種紊流燃燒模型等對加力室內各氣流參數、隔熱屏和加力室筒體壁面溫度分佈的影響，計算結果與試驗數據比較表明:不同幾何形狀加力室對加力室內紊流燃燒流場的影響要比進口氣流參數分佈大些，正確給定進口氣流參數分佈較為重要，二階矩紊流燃燒模型更適用摸擬三維紊流燃燒流動，計算方法合理，編制的計算程序可靠，可供加力燃燒室優化設計用。
  17. Abstract : three theory problems about technology of leather making are discussed. the first is the difference between surface charge and isoelectric point ( pi ). the second is about the origin of the calculation formula of basicity in making cr3 + liquor. the third is the swelling mechanism of a skin or hide in basic medium

    文摘:本文討論了皮革製造中的三個理論問題，一是表面電荷與電點（ pi ）之間差別，二是三價鉻鞣液配製中公式的簡單來源，三是生皮在堿液中膨脹的機理。
  18. The paper ' s design mainly includes two parts. fist part is the tappet displacement curve ' s design, and many dynamics calculation has to be done based on the dynamic design. second part is to design cam profile curve

    本文的設計主要包括兩大部分，第一部分為挺柱升程曲線的設計，按照動態設計要進行大量的動力學計算，第二部分是凸輪輪廓曲線的設計。
  19. Based on the experimental results, in concrete limitation stress sandwich first stage ' s ability and one - way and two - way precast slabs sandwich, results content code require - second class crack control. resistant crack calculation is appropriate. because post - tensioned prestressed advances plane ' s resistant crack. deformation and section strain measure accord with calculation results, this indicates 3d - gridding beams modulus is reasonable to precast slabs sandwich

    本文通過對試驗數據的分析總結，認為：單塊夾層板第一受力階段的性能試驗及單向和雙向裝配整體式夾層板的性能試驗，滿足《混凝土結構規范》 （ gb50010 - 2002 ）中關于預應力樓板的二級裂縫控制等級的要求，抗裂設計得當；由於板縫無粘結預應力筋的存在提高了板的抗裂性。
  20. Combining with practical investigation and analysis, the author presented the fitting equation of the second non - uniform coefficient in which the method of least squares error approximation with the power index regression is used and proposed a modified formula for flow rate per second calculation to precisely determine the size of pipeline and to make the design advanced in technology and reasonable cost

    本課題分析了室外和室內的設計流量公式，通過調查、實測本地區的水量資料，運用相關數學方法分析，提出了適合小區給水管網採用的流量公式。
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