最大設計條件 的英文怎麼說

中文拼音 [zuìshètiáojiàn]
最大設計條件 英文
maximum design condition
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  1. Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit, a groundwater stochastic management model for optimal drainage borehole design is established. the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling. it was found that the higher the parameters uncertainty and the management reliability level, the worse the management result

    文摘:從影響元寶山露天礦地下水疏乾的主要水文地質參數隨機性特徵分析入手,建立並求解了元寶山露天礦疏干工程優化的隨機地下水管理模型,揭示了水文地質參數隨機性對管理模型結果的影響,認為參數的隨機性越,管理結果越壞;置信水平越高,管理結果越壞,且滲透系數和邊界對管理結果影響
  2. As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation

    眾所周知,一般的反問題和混合問題的特點,是在給定的壓力面和吸力面上的壓力分佈或速度分佈下,直接得到葉片的幾何形狀,它可以使葉型型面與表面氣流參數有機結起來;其不足之處在於,對者而言,很難給定理想的葉片表面壓力分佈或速度分佈,並且有時會得到一個非物理解,如:得出的初始葉型可能會出現前緣、尾緣不封閉的現象。
  3. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗的假,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假顆粒結合位置符西安建築科技學博士學位論文合正四面體,建立了絮體結構模型,算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  4. In order to make the terminal airspace moderated and consisted, and acquire the biggest capacity of airport, we must consider the influencing factors as many as possible, it is our final target to plan the airspace in beijing terminal unify. with the conditions that the current operation modes of parallel runway, approach and departure procedures and terminal airspace in beijing international airport, this article has analyzed the reasons of airspace congestion. this article also applies the theory of instrument flight procedure and utilizes the current facilities in beijing international airport. the design of flight procedures combining rnav procedures with instrument approach procedures may be accepted on some routes. it make the approach and departure procedure more effective, and increase the capacity of the airport more or less ; secondly, this article contrast the capacities of parallel runway in different methods under radar control, and make the conclusion that the parallel runway in dependent operation modes has the biggest capacity

    本文從目前首都機場平行跑道的運行方式、進離場程序、終端區空域的現狀入手,剖析了造成空域緊張的原因,應用儀表飛行程序的思想和原則,利用首都機場終端區現有的施,某些航線可採用區域導航( rnav )程序與儀表進近程序相結合的飛行程序,優化了目前首都機場的進離場程序,在一定程度上增加了機場容量;其次,研究了雷達管制下平行跑道不同運行方式的容量對比,得出平行跑道獨立運行的容量,然後以這種這種運行方式,為首都機場出了平行跑道獨立運行的飛行程序;後,分析北京終端區各機場空域對首都機場飛行程序安全、有效運行的制約因素,研究出了北京終端區規劃方案及規劃后的飛行程序和飛行方法,以達到增機場的容量,適應未來航班量增加的需求。
  5. Based on the single point measurement, to a south towards constuction being built and some windows of the original housing behind the new building, this paper works out the whole height of the new building with the largest cubage which is also the optimization on the condition that all the windows mentioned above satisfying the sunlight standard. thus it can not only realize both land saving and scientific housing, but also give the designer some guiding advices

    在此基礎上,對一正南朝向的待建建築物和其後面原有住宅樓上的窗體,在滿足原有住宅樓上的窗體都滿足日照標準的下,利用遺傳演算法來求解該待建建築物的整體高度,使其容積,即達到優,從而達到節約土地和科學住房的目的,為建築者起到一定的指導作用。
  6. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統規律,結合油氣動態系統的一般特點,結構特點,兼顧油田開發規劃的要求,利用功能模擬原理(含神經網路方法、微分模擬方法) ,依據油田歷史數據,建立了油田開發動態指標間的輸入輸出關聯關系,並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測,同時利用優化原理,在分析「決策變量」 、 「目標」及「約束」的基礎上建立了多個構成油田開發規劃的「優化模型」 ,這些優化模型包括:產量構成優化模型(解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的優構成問題) ;措施產量結構優化模型(解決壓裂、酸化、修等各項措施產量及措施工作量的優構成問題) ;產量分配優化模型(將油田的產量優地分配到各採油廠)以及油田綜合開發規劃模型。
  7. Though the water levels cross one section are almost equal, the velocities differ greatly. at the some cross - section, the velocity in the in the quirk may be double as that on the floodplain. the water surface will rise hi the southern branch because of the improper diffluence ratio, if using the designed diffluence col

    淮河入海水道河口段水位值橫向分佈相差無幾,而流速的橫向變化較,泓灘平均流速差可達一倍以上,在現有的分流口下,若按的南北汊分流比,南分流口有壅水現象發生,如果南汊分流增到800m ~ 3 / s左右時,則水流較為通暢。
  8. According to differences of construction process, boundary condition, temperature and stress of two schemes extending 3m deep short seam on upstream face in the middle of rcc overflow section and no short seam are calculated, what " s more, in this paper the equivalent line drawing of stable temperature field and unstable temperature field during construction and operation period and the duration curve drawing of typical points " s temperature and stress are plotted, and the results of peak and minimum on temperature in every month and maximum on tensile stress are attained

    根據施工過程和邊界,對溢流壩段中間上游面增3m深短縫和不短縫兩個方案進行了溫度和應力算,並繪制出穩定溫度場等值線圖及施工期、運行期非穩定溫度場等值線圖,典型點溫度和應力歷時曲線圖,逐月高、低溫度和拉應力及相應位置等成果。
  9. Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking

    本文針對輸入功率為1 . 5kw ,輸出轉速,額定輸出轉速的無級變速器的要求,並考慮到傳動角及變速比等因素,在運動學模擬的基礎上,對運動學參數進行了優化;本文對變換器連續作用的初始裝配進行了理論分析與研究,對輸入、輸出變換器作了結構尺寸的,並進行了強度校核算;本文還對變速器調速系統中主要傳動構在滿足操作的靈敏度、精度、自鎖性的基礎上進行了結構後採用workingmodel3d軟體,進行虛擬樣機的算機輔助模擬及運動學和動力學算。
  10. A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system

    以並聯機器人jacobian矩陣的數為優化的目標函數,提出了基於遺傳演算法的並聯機器人優運動學性能結構參數優化方法,採用實值遺傳演算法,對精調stewart平臺進行了優化,得到了優運動學的精調stewart平臺結構參數,為實現新一代射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。
  11. The methods to evaluate design tidal elements when the data are incomplete or inconsistent are studied in this paper, taking the tidal reach where suzhou - nantong yangtze river bridge will be constructed for example. and the methods of how to distinguish outlier in different parameter estimation methods are studied

    然後以蘇通長江公路橋橋位河段為例,重點探討了非一致資料下分期高潮位算、不同的參數估方法下如何判別特值和不完整資料下感潮河段水文值的算方法。
  12. Secondly, two groups of disk plows for experiments were manufacturing. finally, orthogonal experiments and secondary regression experiments were respectively designed on the plows and tillage experiment was carried out in an indoor groove under certain research condition. with experimental optimum technology, the effect of the distribution of the geometric non - smooth partial sphere structure cell, partial sphere height and its radium on the tillage resistance was analyzed

    通過試驗優化技術,考察了圓盤犁刀上幾何非光滑球冠結構單元的分佈、球冠高度和球冠底圓半徑小對犁耕阻力的影響,確定了三種影響因素的主次關系和各個因素的優水平,獲得了研究下的結構佳方案。
  13. Based on the natural conditions, land use and production situation and implementation of the valley harnessing measures in the anjiagou river basin, dingxi county, gansu province, in this study the land use types, spatial distribution mode of land use structure, costs of farming, forestry and animal husbandry and their economic returns are analyzed, the qualitative and quantitative maximum economic returns of agriculture and animal husbandry are lucubrated, and an optimized design of land use structure is carried out by using the linear programming method and developing a mathematic model under the restriction of land area, labor forces, livestock forces, social requirements and forage supply

    摘要根據甘肅定西安家溝流域自然、土地利用狀況、治理措施和生產狀況,通過對土地利用的類型、結構空間分佈模式以及人財物資源的輸入和輸出分析,以種植業和畜牧業總體純經濟效益高為目標,從定性到定量,通過建立數學模型,在土地面積、勞動力、畜力、社會需求和飼料需求的約束之下,應用線性規劃方法進行土地利用結構優化,求解優目標解,得出優化方案。
  14. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統規律、專家經驗、理論分析和試驗研究為依據,有其自身的優缺點和一定的適用范圍;應針對不同的建築物、場地、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測結果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類結構的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土結構以輕微破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分,重慶學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增,漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害損失;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切相關,地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切相關。
  15. Then, with respect to the objective of minimizing the total experimental cost, the optimal test plan ( including the sample size, inspection frequency, and the termination time needed by the classification rule for each of competing designs ) is derived by solving a nonlinear integer programming with a minimum probability of correct classification and a maximum probability of misclassification

    首先,我們提出一種具直觀優點的分?法則,然後以總試驗成本的小化為目標,並賦予一正確分?的小機?要求和錯誤分?的容許機? ?個限制,以決定出在所提出的分?法則下,各競標樣式所需的樣本? 、 ?測頻?和試驗終止時間的佳組合。
  16. 4 by studying mechanical optimization method, combining theory of metal cutting processing, summarize the optimization function by the cutting parameter as optimization aim and corresponding restraint condition. adopt one of optimization methods - compound shape method - to calculate cutting parameter ' s optimization result

    4運用機械優化方法,結合金屬切削加工理論,推導了以切削參數為優四川學碩i學位論文化目標的優化目標函數並確定了相應優化約束,採用優化方法中的復合形法實現了切削參數的優化
  17. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法,研究了雙三角機翼布局飛機空氣動力特性的工程算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為變量,採用多變量數值尋優方法,在戰術技術指標及相關幾何約束下,對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明優方案不僅比原準方案具有更高的訓練效能,還改善了結構的受力情況,與工程實踐吻合
  18. To determine influence of technical conditions on product diameter, the influences of concentrations, molar ratio, reaction temperature and time on average size were investigated by means of uniform design. the results of experiments indicated that product diameter was mostly influenced by reaction temperature, followed by molar ratio of reactant, concentration of reactants, and reaction time. the optimum conditions were c ( co ( no3 ) 2 6h2o ) = 0. 35mol / l, n ( co ( nh2 ) 2 ) : n ( co ( no3 ) 2 6h2o ) = 3. 53 : 1, reaction temperature 94 and reaction time 3. 53h

    以產物的平均粒徑( nm )為優化指標,選擇硝酸鈷濃度、反應物摩爾比、反應溫度和反應時間四個因素,運用均勻試驗技術進行3 ~ 5 1 ~ 3因素優化試驗,發現反應溫度對產物的粒徑影響,其次分別為反應物摩爾比、硝酸鈷濃度以及反應時間,並確定佳反應為:硝酸鈷濃度0 . 35mol l ,反應物摩爾比為3 . 53 : 1 ,反應溫度94 ,反應時間3 . 53h ,預報值粒徑y _ 1 = 19 . 57nm ,在此優化下制得的納米co _ 3o _ 4平均粒徑為22nm 。
  19. We primarily do theses works : first, for the rtcvd equipment that we required has a big chamber, high working temperature and fast temperature ramp rate, the energy that required for the high temperature working conditions was computed ; then the reflector material and the shape of the reflector were chosen. through computer simulation we designed a reflector that can reflect the energy of each lamp individually through each half - cylindrical - face

    針對本課題要求的rtcvd備的反應腔、工作溫度高和升溫速度快的特點,首先對備升溫進行能量算;接著從反射腔材料選擇和形狀等方面出發,利用算機模擬出為每根燈管分別反射輻射能的圓柱面形反射罩。
  20. Much of epidemiological and social science research is devoted to estimation of causal effect. generally, the causal effect is not identifiable without any constraint which is called the ancillary information in this paper. first the definition of the identifiability for the ancillary information is proposed and then sufficient and necessary conditions for the identifiability of an important type of ancillary information are discussed. finally, the results are expanded to a more common case

    在流行病學和社會科學中,量的研究是估因果效應.一般而言,沒有任何假下,因果效應無法獲得,即不給因果變量任何輔助信息,因果效應無法識別.作者提出了輔助信息可識別的定義,並且針對一類比較普遍且重要的輔助信息得出它在一類因果模型中對4種因果效應可識別的充要後將這結果推廣到一般情況
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