遞降分解 的英文怎麼說
中文拼音 [dìjiàngfēnjiě]
遞降分解
英文
degradation-
Chemical degradation is very slow so that it becomes more concentrated in successive stages of the food chain.
化學的遞降分解作用十分緩慢，以致它在食物鏈連續各階段中變得更為濃縮。The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm
試驗結果表明，成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o （ x = 1 . 86 ）的x射線衍射圖譜一樣，濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用，試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與，亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外，還通過鐵離子的變價傳遞電子，催化錳離子的氧化反應，從而促進對二價錳的降解。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。The problems of reducing dimension, of multipurpose optimal decision, and of integration of qualitative analysis and quantitative analysis for the large system decomposition - coordination step model are primarily calculated
主要考慮了大系統分解?協調遞階模型的降維、多目標優化決策及其定性和定量相結合的一系列問題。Taking this large irrigation district as a reference, this paper studies the optimal scheduling of water resources in this district, mainly considering such problems as degrading dimensions of the decomposition - coordination for big system and optimal decision - making of multiple purpose
本文以大型灌區為對象，研究了灌區水資源的優化調配問題。主要考慮了大系統分解?協調遞階模型的降維、多目標優化決策等問題。Decomposition of a compound by stages, exhibiting well - defined intermediate products
降解，遞降分解化合物的遞降分解，顯示出清楚明白的中間生成物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。In addition, some programming techniques, such as recursion, are impossible to use - - for example, this rules out protocol handlers being recursive - descent parsers
此外，象遞歸之類的一些編程的技術不可能使用例如，遞歸消解了協議處理程序成為循環下降的語法分析程序的可能。An experimental apparatus of falling film absorption in a vacillating is set up to check the reliability of theoretical model and to have a deep understanding of heat and transfer of practical falling film absorption ; falling film absorption with tfe / nmp solution in a static vertical tube and that in a vacillating tube are investigated respectively
為驗證理論模型的可靠性並進一步深入了解實際搖擺降膜吸收過程中熱、質傳遞規律，自建了搖擺振動單管吸收試驗臺；分別對靜止和搖擺狀態下tfe / nmp垂直管內降膜吸收進行實驗研究。But the influence trend of the maximum rolling angle and the rolling period was not so simple, it was because the influence of which embodied in the phase relationship of mass flow and the pressure drop across the tube. the d - partition method was developed to separate the test tube into four regions and the drift flow model was imported into the two phase region, based on which the solution of the response of the pressure drop of tested tube to the inlet mass flow perturbation can be obtained
在不搖擺和搖擺工況下，採用d分區法對實驗段進行分區，在兩相區採用漂移流模型對實驗段的壓降對入口流速擾動的響應進行了求解，給出了各區壓降響應的表達式，進而得到了在不搖擺和搖擺工況下，壓降與入口流速擾動之間的傳遞函數。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。In term of the orthogonal property of alamouti scheme and the character of the ofdm system equivalent model expression of receiver signal for stbc - ofdm system was obtained by flexible transform method so that the inverse of matrix was avoided using direct - decision mode and the complexity of computation and receiver was decreased. the simulation results show the validity and efficiency of the proposed receiver. ( 6 ) an adaptive equalization algorithm used in space - time block coded ofdm ( stbc - ofdm ) system with alamou
該演算法充分利用了alamouti編碼的正交特性和多發射天線ofdm系統特點，通過靈活的變換對接收信號進行等價的表示；通過對11矩陣求逆的研究，將塊最小二乘遞推演算法（ brl ）中的zkxzk的矩陣求逆分解為k個2x2矩陣的求逆，從而降低了自適應演算法的運算量和接收機的復雜度。On the basis of current calculation methods about stake settlement, the solution ways to some point problems existing in the analysis methods of transmitting load are researched and explored in the paper
摘要文章從現有單樁沉降計算方法入手，重點研討了荷載傳遞分析方法中若干關鍵問題的解決思路。In view of load transferring capability of rock - socketed piles, this paper compares rock - socketed piles with non - rock - socketed piles, analyzes influencing factors ( pilelengtru pile diameter pilemodulusx character of bearing stratuiru mud hull sediment of pile bottom and roughness ) on force character. with different load transferring functions, a set of analytical equation for single pile settlement calculation of rock - socketed piles are established : three stages of p - s curve from analytical equation are gained which are straight linex curve x straight line ; and relationship curves in different pile modulus and in different rock - socketed length
根據所選用的不同的荷載傳遞函數，導出了嵌巖樁單樁沉降計算的一種解析演算法，分析得出嵌巖樁p ? s曲線按荷載變化分為直線?曲線?直線段三個階段，不同樁身模量下承載力的變化曲線，樁身模量、樁端巖石強度是影響單樁承載力的重要因素，不同嵌巖深度下端阻比的變化曲線。The most important problem in the multi - resolution method is how to reduce the effect of outliers while the estimation of the motion parameters are translating from the coarse resolution to the fine resolution
多解析度分割過程中的一大問題是：當把低解析度圖像上的運動參數估計結果傳遞到高解析度的圖像上去時，要盡量降低奇異點對分析結果的影響。分享友人