遞降系數 的英文怎麼說
中文拼音 [dìjiàngxìshǔ]
遞降系數
英文
degradation factor-
In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared
本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降,矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。Chongqing, a city located in west china, confronted with a series of chances, such as yangtze gorges project, municipality directly under the central government, development of the west regions, and fully developing our ideal society so on, which made chongqing get great progress. the gdp of chongqing has increased by double digit every year since 1998, and gets to 266. 539 billion in 2004, 9608 yuan per person. engel ' s coefficient of downsman family of chongqing decreased below 40 % in 2004
三峽工程、直轄、西部大開發、全面建設小康社會等一系列的機遇使重慶這個西部城市獲得了前所未有的發展,從直轄到現在的八年時間內,重慶市每年的gdp均以兩位數遞增, 2004年,全市gdp總量達到2665 . 39億元,人均9608元,已突破1000美元大關,城市居民家庭恩格爾系數已經下降到40 %以下,按照國際1000美元至3000美元為城市快速發展期的標準,重慶市已進入快速發展時期。This article described the deformation features of taojiaba landslide and analyzed the inner factors, geologic setting, topography, morphology, stratum, lithology and texture, and the external influence factors, precipitation, flood, human activity, neotectonic activity and earthquake, and the transform features of landslide in the near future, and evaluate stability of landslide through the section coefficient method calculation on basis for landslide mechanism analysis and control work
摘要陶家壩滑坡基本特徵顯示,滑坡變形的主要影響因素有:地質環境因素(地形地貌、地層巖性、物質結構) 、外界影響因素(降水因素、洪水因素、人為因素、新構造及地震) ,以及滑坡近期變形特徵,通過剖面遞推系數法計算,對滑坡的穩定性進行了評價,為滑坡機制分析和優化整治措施提供依據。Based on the full - depth / part - depth shear spring model proposed by luo weide and the theoretical corealation between the pile base resistance and the pile base settlement presented by randolph, a elastic analytical approach for computing the pile compression is conducted
本文利用羅惟德全深度? ?變深度剪切彈簧模型推導了樁身壓縮量的彈性理論解析計算方法,選用randolph的樁端沉降與樁端阻力的關系,利用荷載傳遞法推導了樁身壓縮量的數值計算方法。Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases
本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長比值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。Firstly unified load - settlement solution of single barrette pile based on bilinear load transfer function is developed in this paper. with the aid of the solution, the barrette behaviour is analyzed preliminarily
本文首先採用荷載傳遞函數法推導出了雙線性荷載傳遞函數下的單樁荷載沉降關系統一解,並利用此解對壁板樁的承載特性進行了初步分析。A correlation was studied out here :, for experiment with sparger 1 # ;, for experiment with sparger 2 #. sparger decreased interfacial heat transfer coefficient, total clotted liquid and steam energy transfer and weakened surface temperature vibration. it also decreased thickness of hot water layer, attenuated steam condensation and shortened the time of balance
加裝遮流板使實驗初期階段的表面冷凝換熱系數hif降低76 93 ;減少了累計凝結量67以上;降低蒸汽流能量的傳遞,使表面溫度波動顯著降低;減少了熱水層的厚度;減緩了蒸汽凝結的劇烈程度,大大縮短了系統壓力平衡需要的時間。The relation of tthe ccd sensor imaging resolution and the mtf is gotten. when the mtf of space remote sensing camera is higher and the contrast of object is higher, it can be believed that the resolution of ccd sensor imaging is 1. 6 times of the pixel dimension, in the mean while the mtf decreases 32 %
通過模擬得到了ccd探測器的目標影像的分辨力與ccd像元尺寸的關系,當航天光學遙感相機的mtf較高(模擬中鏡頭的mtf = 1 )且目標為高對比度時,得到ccd探測器的目標影像分辨力是其像元尺寸a的1 . 6倍,其光學調制度傳遞函數mtf下降32的結果。By using some formulae of confluent hyper - geometric function, the results of radial operators on the normalizing radial wave function of a 3 - d isotropic harmonic oscillator are derived, and the ladder operators are given to calculate the matrix elements
摘要利用合流超幾何函數的遞推關系式得到徑向算符對歸一化徑向函數的作用結果,得出其升降算符通項,便於求解矩陣元。According to the requirements to pd pattern auto - recognition, this paper studies systematically the basic theories and realizable methods for auto - recognition of pd gray intensity image : ( 1 ) in the requirement of on - line pd monitoring for transformer, several discharge models are designed and the relevant experiment methods projected. with discharge model tests, a lot of discharge sample data is acquired. on the base of systematical research on recognition for pd gray intensity image, this paper puts forward two kinds of fractal features, the 2nd generalized dimensions of original pd images and fractal dimensions of high gray intensity pd images, and then the relevant extraction methods
針對局部放電模式自動識別的需要,作者系統地研究了局部放電灰度圖像自動識別中的基本理論和實現方法: ( 1 )根據變壓器局部放電在線監測的要求,設計了放電模型和實驗方法,並通過模型實驗獲得了大量放電樣本數據,為構造局部放電灰度圖像和採用bpnn進行識別作好準備; ( 2 )研究了局部放電灰度圖像的構造方法以及降維構造32 32灰度和矩陣的方法;在用人工神經網路對局部放電進行模式識別時,分析了bp網路的優缺點,對典型bp網路的結構和學習訓練演算法提出了改進,採用帶有偏差單元的遞歸神經網路作為模式分類器;採用32 32灰度和矩陣進行bpnn識別結果表明這種方法是有效的。Finally, to consider the effect of the compression of the approach embankment to the determination of the tolerable differential settlement, this paper, considering the flexible pavement as viscoelastic multilayers and dividing the moving traffic load into fourier series, presents the formulation and the application of a combination of transfer matrix and laplace transform and fourier transform approach to evaluate dynamic response of the flexible pavement subjected to a moving traffic load under modified plain - strain condition. the predictive capability of the model are verified by the laboratory model
為了考慮車路耦合對路橋過渡段容許差異沉降確定的影響,本文將柔性路面視作粘彈性體層狀體系,採用修正的平面應變模型,將移動的車輛荷載用傅立葉級數展開,用傳遞矩陣配拉氏變換和傅立葉變換法進行了移動荷載作用下柔性路面動力響應分析,並用模型試驗證明了理論分析結果的正確性。The paper through to analyse the background, meaning and necessity for implement bidding & tender of online architectural design, through to discript and compare with different mode of domestic and international of application for bidding & tender in network, to propose a unique opinion of solution system which is ndbs mode for bidding & tender of online architectural design, the mode is to submit the whole course of bidding & tender of online architectural design from planning for bid, information issue, pre - qualification, call for bid meeting, tender submit, tender evaluation and confirm the solution to sign the contract in internet. the paper through to structure a bidding platform ( bdb. cn ), to analyse the funcation procedure of bidding and tender system of online architectural design, from the sight of bid invitor, bidder and tender evaluated angle, to link them closely. the paper carry on system design to ndbs mode, input and outut, the information and keep them, safety and data stored, the paper combine with online architectural desigh wenzhou huameng building ( railway station road 1 - 2 massif ) as an example of ndbs mode finally, the result of study indicate, bidding and tender of online architectural design is not only feasible technically, the procedure of bidding and tender accord wigh the law, but also it is unanimous in traditional bidding way, this implement the scheme can improve working efficiency greatly, reduce the cost of bidding effictives, make it standard science further, to realize a pualitative leap in the building management level
論文通過對實施網上建築設計招標投標的背景、意義及必要性進行分析,通過對國內外不同模式招標投標網路應用的綜合敘述與比較,提出了具有獨特見解的系統的網上建築設計招標投標解決方案? ? ndbs模式,該模式是對建築設計招標投標全過程從招標準備、信息發布、資格預審、招標會議、標書遞交、評標決標到合同簽訂的網上解決方案,論文從構建網上招標平臺( bdb . cn )開始,對建築設計招標投標系統的功能流程進行分析,從招標人、投標人和評標人的角度出發,通過對其在整個招標投標活動流程在網際網路中的無縫連接,使得通過bdb . cn招標平臺,能夠達到建築設計招標投標各參與方的一網打盡。論文還對ndbs模式進行了系統設計,對輸入輸出、安全與數據加密和招標投標資料儲存進行設計,從技術的層面對該系統提出了解決的方案。論文最後還結合溫州華盟大廈工程(車站大道1 - 2 #地塊)的網上建築設計招標投標的實例,對ndbs模式進行了實證,研究結果表明,實施網上建築設計招標投標,不僅在技術上是成熟可行的,在工作流程上是符合法律法規的,與傳統的招標投標方式也是一致的,而且能夠大大提高工作效率,有效降低招標投標成本,使得招標投標能夠更加規范、科學,實現建設管理水平的一個質的飛躍。The dynamic predigesting model for passive isolation of flexible base system was established, and the four - pole parameters and machinery impedance methods were adopted to analyse the system, the expression of the responsibility and power flow transmissibility was deduced. by means of the matlab programming language, the responsibility and power flow transmissibility were simulated. proposed the vibration contrl method of optimizing system parameters. the methods proposed in this dissertation, can meet the requirement of decreasing vibration and noise for flexible base, and have some practicability and reference value
對柔性基礎被動隔振系統進行了力學建模簡化,並採用四端參數和機械阻抗方法對其進行分析,推導出其響應比和功率流傳遞率的表達式,並利用matlab程序設計語言對響應比和功率流傳遞率進行了模擬模擬。提出了以優化系統參數為措施的振動控制方法。本文所提出的方法,能夠滿足柔性基礎減振降噪的要求,具有一定的實用性和參考價值。Since production management information system, we can do management, and execute, running parameter can rejust by random, unproved running operation, and decrease frequency, it is effort to improve production rate of working, getting major and direct performance
自從生產管理信息系統開通后,能迅速作出管理決策,並及時傳遞、執行,運行參數可以隨機調整,提高了運行操作素質,使裝置故障停機頻率明顯下降,對降低工廠成本,提高勞動生產率起到了重要作用,取得了較大的間接和直接經濟效益。Through the statistics and analysis of runoff and amount of sand lost in the downstream of weihe in recent years, it is discovered that in the downstream of weihe the magnitude sand season was ahead of the main flood season relatively within the year ; variation tendency of annual runoff and amount of sand lost was identical basically, and the quantity of water and sand at huaxian gauging station was tailing - off continuously from the 1960 to 2005 ; there was direct relation between the situation of rushing or silting deposits and rainfall at this section of the river : the river depositing in the year which is rich rainfall, the eroding in the poor rainfall
摘要本文通過對近6年渭河下游水沙量數據的統計和分析得出,渭河下遊河段年內多沙期較河流主汛期有所提前;年徑流量和年輸沙量的變化趨勢基本一致,而且自60年代至2005年華縣站的水沙量持續呈遞減趨勢;河流的沖淤情況與該河段的降雨量有著直接的關系,當年平均降雨量小的時候河流以淤積為主,當年平均降雨量大的時候河流以沖蝕為主。The features of the new edition are : comprehensively reflecting enterprise performance, centered on efficiency ; combining quantitative indices and qualitative indices progressively ; determining the total score of basic indices by graded basic score and adjustment score set by work - result coefficient ; determining adjustment coefficient and basic evaluation score by the coordination of adjustment indices and basic in - dices ; and reducing the subjectivity in evaluation through reference criteria of evaluation
新版效績評價指標體系和計分方法的特點是:以效益為核心,全面反映企業效績;逐級遞進,定量指標和定性指標相結合;分檔基礎分和根據功效系數確定的調整分決定基本指標總得分;修正指標和基本指標協調程度決定修正系數大小和基本評價得分;依託評議參考標準,降低評議的主觀隨意性。It is appropriate commonly that the resolution of ccd sensor imaging is 1. 8 times of the pixel dimension, in the mean while the mtf decreases 11 %, because the mtf is bigger, the other parts are easier to be made and the image shows the characterization of the object well. 2
一般情況下取ccd探測器的目標影像分辨力是其像元尺寸的1 . 8倍較為適中,因為這時的mtf數值較大對系統的其它環節的指標壓力較小,且圖像較好地反映了目標圖形的特徵,此時其光學調制度傳遞函數mtf下降了11 。分享友人