推算范數 的英文怎麼說

中文拼音 [tuīsuànfànshǔ]
推算范數 英文
computed norms
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
  • : 數副詞(屢次) frequently; repeatedly
  • 推算 : calculate; reckon; reckoning; prediction; calcu-lating
  • 范數 : norm
  1. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計方法,並考慮擴底樁的「拱效應」特點引入了有效樁長的概念,最後結合公路規出了比較實用的人工挖孔擴底樁軸向承載力計公式。論文運用了marc程序對地基土的應力和位移進行了有限元值計分析,得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  2. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計模型,並採用三角函法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。
  3. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架穩定性能量法特徵值方程(通式) ,考慮弧形鋼閘門主框架柱的柱端約束的特殊情況,求出撓曲線函(試解函)通解,得到弧形鋼閘門主框架柱穩定性計長度系方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規薦的有限元法簡單方便、結果精確及物理概念明確等優點。
  4. The paper emphasesd on the following issues : integrating network topology automatic discovery and network performance monitoring into an uniform web environment via activex control technique. constructing a hierarchic network monitor system based on distributed data replication technology via sql server replication function. analysising the relation between network usability, error and discard rate consequently to find out a formula, which can be used to calculating the congestion likelihood and setting the threshold for alerting the congestion situation

    論文重點論述了以下幾個問題:採用控制項技術,使網路性能監視、網路拓撲的自動發現集成在統一的web平臺上;運用sqlserver的復制功能,構造一種基於分佈據復制技術的層次式網路監視系統;對網路利用率、出錯及丟棄百分比信息進行分析,找出它們在擁塞可能性時的量化公式,並應用於閥值設置,以實現對擁塞可能性進行預警;研究分析在不同圍內的拓撲發現工具及演法,並針對系統需求設計實現一種域內分級式網路拓撲發現演法。
  5. Puts forward an improved method based on the theory in which the enthalpy difference is considered as the driving force in heat transfer under wet cooling conditions and thinks that the method can halve the testing work, require less for the experiment devices and reach higher accuracy

    認為該方法遵循了焓差是濕工況下換熱動力的規律,試驗工作量減少一半以上,對試驗裝置的要求降低,由試驗據整理出的公式用於表冷器熱力計完全可以滿足空調常用圍內的要求。
  6. According to the parameter range of humid air used in humid air turbine and compressed air energy storage ( caes ) system, the applied range of thermodynamics properties of humid air is determined. 2. based on virial state equation and the corresponding - state principle, expand - corresponding - state principle is introduced to describe the virial coefficients of state equation

    對應態理論是一個普適性理論,因此對應態維里方程具有一定的外性,計了本文提出濕空氣熱力學參圍內的壓縮因子; 4 .應用本文提出的對應態維里方程,計了濕空氣的偏差焓和偏差熵。
  7. Available empirical results indicate that the creep of reinforcement strongly influences the overall behavior of rs structures, which is demonstrated by excessive deformations. different creep tests are discussed and the test methods to obtain the two kinds of creep curves are compared in this thesis. the methods of how to determine the reduction factor according to long - term strength of creep or allowable strain during the services life are presented

    文中介紹和研究了不同的蠕變試驗手段,比較了獲得兩種蠕變曲線的試驗方法,並給出了兩種蠕變曲線一定圍外據處理方法;給出怎樣根據設計使用年限的長期蠕變強度或容許應變來確定蠕變折減系的方法,並用計實例來說明。
  8. When nals was used as the collector in the process, the optimal conditions were the ph of feed solution 5. 0 - 6. 0, air flow rate 100ml / min, the liquid column depths 20cm, the surfactant concentration determined by its cmc and feed concentration. under this condition, the 3 can be above 20. also, the optimal ph ( 5. 0 ) was calculated theoretically for the recovery of the cu ( ii )

    對以十二烷基硫酸鈉為捕集劑的泡沫吸附分離過程的工藝參進行了研究,並得出本分離系統所確定的最佳工藝參為: ph5 . 0 6 . 0 ,氣體流量100ml min ,液位高度20cm ,最佳表面活性劑濃度由其臨界膠束濃度和原料液濃度確定,此時(濃縮比)可達20以上;同時還從理論上出泡沫吸附分離銅的最佳ph值圍為5 . 0左右。
  9. In this paper the experimental research of hydra ulic oil used on a certain composite gearbox are carried on the experimental fo rm ulas are drawn respectively between viscosity 、 density 、 specific heat and temper ature the function of viscosity to temperature and pressure is deduced the com parative analysis among the new oil 、 used oil and ordinary antifriction oil ind icates the performance of the specitic oil is excellent these conclusions are b eneficial to the advanced analysis of the vehicle transmission system and formul ate the manual of relevant armored caterpillar

    該文對某軍用履帶裝甲車輛綜合傳動系統使用的液壓油進行了試驗分析,得出了這種液壓油的粘度、密度、比熱與溫度的經驗關系式,導出了粘度在溫度、壓力綜合作用下的函關系,並對新油、舊油、普通抗磨液壓油的粘度進行了對比分析,這對于使用這種液壓油的傳動系的分析計和制定相關軍用履帶裝甲車輛的使用規提供了重要的理論依據
  10. Abstract : in this paper the experimental research of hydra ulic oil used on a certain composite gearbox are carried on the experimental fo rm ulas are drawn respectively between viscosity 、 density 、 specific heat and temper ature the function of viscosity to temperature and pressure is deduced the com parative analysis among the new oil 、 used oil and ordinary antifriction oil ind icates the performance of the specitic oil is excellent these conclusions are b eneficial to the advanced analysis of the vehicle transmission system and formul ate the manual of relevant armored caterpillar

    文摘:該文對某軍用履帶裝甲車輛綜合傳動系統使用的液壓油進行了試驗分析,得出了這種液壓油的粘度、密度、比熱與溫度的經驗關系式,導出了粘度在溫度、壓力綜合作用下的函關系,並對新油、舊油、普通抗磨液壓油的粘度進行了對比分析,這對于使用這種液壓油的傳動系的分析計和制定相關軍用履帶裝甲車輛的使用規提供了重要的理論依據
  11. In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying

    本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載力的研究」 ,所做的研究工作主要在以下三個方面:一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料,分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向力、側摩阻和樁端阻力的分佈和發揮規律;二是在討論現行規對嵌巖樁承載力的計公式的基礎上,探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩阻和端阻的計方法,並薦了相應的計公式;最後,在吸取近年來對灌注樁后注漿技術研究成果的基礎上,結合現場試驗研究結果,分析了該項技術在昔格達巖層中的應用效果,提出了相應的參選取,從而為壓力灌漿技術的工程應用和進一步研究提供經驗,並為今後在該地層中合理選用樁型以及指導施工提供了依據。
  12. The heat transfer coefficient at the gas temperature ranging from 500 to 1248 between stave and furnace gas is determined by the combination of calculation model of temperature field and the temperature value of hot surface calculated from the temperature measured near hot surface

    用試驗測量冷卻壁近熱面溫度來冷卻壁熱面溫度,與冷卻壁溫度場計模型結合,確定了爐氣溫度在500 ~ 1248圍內,高爐冷卻壁與爐氣之間的換熱系
  13. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計和生物質能量利用率計提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函對其動力學參進行了求解,解析出各種生物質的頻率因子和活化能參,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計方法及臨界轉速理論等。
  14. The sensitivity analysis of design parameter of subgrade and pavement are used to confirmed the degree of impact on working state with change of the design parameter, it is the rational and economy that the range of design parameter are proposed. structure combination design is used to proposed basic structure of qinhuangdao ' s asphalt pavement in view of local natural environment, build material, traffic classification and soil grades. this paper puts forwards suiting 39 kinds of typical structure of qinhuangdao ' s asphalt pavement according to the actual structure, experimental section long - term observation, extensive surveys, structure theory ' s analysis and calculation

    在公路等級、交通量等級、土基等級及路面材料參研究的基礎上進行路基路面設計參敏感性分析,用以確定設計參的變化對路基路面工作狀態的影響程度,並據此給出了經濟合理的路基路面設計參圍;結合本地自然環境、築路材料、交通狀況及土質情況進行路面結構組合設計,提出了適宜於秦皇島地區公路瀝青路面的基本結構;最後根據實際路面結構、試驗路的長期觀測、大量調查與路面結構理論分析計相結合,提出並薦適合秦皇島地區的39種瀝青路面典型結構,這是本課題的主要宗旨,其研究成果將直接指導設計人員的工作,並避免隨意性和盲目性,對加快秦皇島地區公路交通事業的發展將具有十分重要的意義,對其他地區也有一定的指導意義。
  15. In this chapter, a - type positive homogeneous operators are generalized as e - a type positive homogeneous operators. moreover, the continuity, properties of norm, and completeness of operator space are investigated for e - a type positive homogeneous operators

    本章將正齊次運廣為?正齊次運元,並討論了?正齊次運元的連續性、性質、以及運元空間的完備性等。
  16. After introducing the background and the trend of research on ppv thin film light - emitting diodes ( leds ) and the structure of ppv device and its characterizes, the theoretical model of the leds * light - emitting efficiency was presented. based on this model, the formula of light - emitting efficiency was deduced to be : the injecting - currents and the recombining - efficiencies were calculated nwnerically, we found the calculated results agreed very well with the experimental results under the electric field from 0. 5 x 106 to 1. 5 x 106v / cm, the numeral calculations and theoretical analyzes of the light - emitting efficiency were done. the conclusions were as follows : ( 1 ) the basic mechanism of the injection transportation and recombination of the carriers which were presented in this paper were proved to be right ; ( 2 ) the electroluminescence in ppv thin film is the result of exciton recombination, the light - emitting efficiency was affected by many factors

    本文主要研究聚對苯乙炔( ppv )薄膜發光二極體發光效率及主要影響因素,簡單地介紹了ppv薄膜發光二極體的研究背景及發展趨勢、 ppv器件的結構和性質后,提出了一個計器件發光效率理論模型,利用這個理論模型得出了發光效率公式的表達式:並對注入電流、復合效率等進行了值計,通過合理地選擇計,發現計值在場強為0 . 5 10 ~ 6 1 . 5 10 ~ 6v / cm的圍內與實驗結果較好地符合,在此基礎上,對發光效率進行了值計和理論分析,結果表明:計結果與理論研究結果相符較好,得出結論如下: ( 1 )本文的理論導正確地反映了器件中載流子的注入、傳輸和復合等基本機制; ( 2 ) ppv薄膜中的電致發光是激子復合的結果,發光效率受多種因素影響。
  17. The subject is related and has applications to many different branches of pure and applied science such as operator theory, functional analysis, c " - algebras, banach algebras, matrix norms, inequalities, numerical analysis, perturbation theory, matrix polynomials, systems theory, quantum physics, etc. in recent years, the quadratic numerical range, one of the most important generalizations of the numerical range, was put forward in the course of people studying the spectral theory of the block operator matrix to the need of the development of some branches mentioned above

    對它們的研究涉及到了基礎學及應用學許多不同的分支,諸如運元理論,泛函分析, c ~ * -代, banach代,矩陣,不等式,值分析,擾動性理論,矩陣多項式,系統論,量子物理等等,並且在這些分支上面得到了廣泛的應用。近年來,為了上述某些學分支發展的需要,人們在研究分塊運元矩陣譜理論的過程中引入了值域的一個重要廣:二次值域。
  18. Foundation structure design in soft soils is a very difficult engineering problem. the elastic foundation beam method has some merits such as easy calculation pattern and definite model and m - method is fit to practical situation, so it is used comprehensively and welcome by constructors, thus m - method is recommended by many codes. but it is difficult to select a m - value to some soils, and the codes provides a scope of m - values, and they are different in varied regions and soil conditions, thus it is optional to choose m - value of a soil layer for engineering designers. so it is necessary to calculate m - values by back - analysis method using measured datu of deep foundation pit

    軟土地區的深基坑支護結構設計是一個十分復雜的工程問題,由於彈性地基梁法具有計模式明確、計過程簡單的優點,尤其是m法較符合軟土基坑工程的實際情況,因而受到廣大工程設計人員的歡迎,大多規薦此法。但是m法計的選取是工程界的一大難題,一般規都給出了m值的大致圍,而且每個地區的地質條件千差萬別,因而m的取值具有很大的隨意性,有必要根據一個地區的工程實測資料對m值進行反演分析,以便為地層相近或附近地區的基坑工程設計提供參考和依據。
  19. The beginning point of the first research direction is that we design a type of load - balancing virtual topology which is insensitive to the traffic, such plan method has been proposed whose name is vlbs ( valiant load - balancing schemem ), the disadvantage of vlbs is that it can only be applied to the homogeneous network in which each node has the same capacity, in chapter2, a more general valiant load - balancing scheme ( gvlbs ) has been proposed, the advantage of the gvlbs is that it can be used both on the homogeneous network and heterogeous network, in this chapter, we will give the detail derivation process and numerical analysis. the beginning point of the second research direction is that we first design a virtual topology for the physical topology under a specific traffic matrix, for a while, the traffic has changed, the network performence will decline. under such condition, in chpater 3, a virtual topology reconfiguration algorithm is studied which can decrease the average weighted hops

    本文針對動態變化業務量情況下的wdm網路設計方法劃分為兩個主要的研究方向,第一個方向的研究出發點是可以在最初的虛拓撲設計過程中根據物理拓撲情況設計出一種虛拓撲出來,該虛拓撲是負載均衡的,在這種虛拓撲上跑的業務量矩陣特徵只要在某種圍以內,無論它怎樣動態變化,網路都不會出現擁塞,但這種虛拓撲設計演法vlbs的一個缺陷是它只能適用於同構網路,即每個節點所擁有的容量大小都相等,在第二章中,本文提出了一種更通用的負載均衡的光網路虛拓撲設計演法gvlbs ,該演法與傳統的負載均衡演法vlbs不同之處在於vlbs演法只能適用於同構網路而gvlbs演法既可以適用於同構網路,又可以適用於異構網路,在本章中將給出了gvlbs演法的的詳細導和值分析。
  20. An explicit expression to compute h norm and obtain h controller, which are recently obtained for continuous - time state - space symmetric systems, are extended to more general case of continuous - time symmetric systems. the computations of h norm only need to compute the maximum eigenvalue of a symmetric matrix, which only contains the system matrices

    把一最近文獻得到的有關連續時間狀態對稱系統h ~和h ~控制器的明顯解結果廣到更廣泛連續時間對稱系統,所得到h ~僅包括系統矩陣。
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