生發函數比 的英文怎麼說

中文拼音 [shēngfāhánshǔbǐ]
生發函數比 英文
ratio of generating functions
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 發 : 名詞（頭發） hair
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity

    主要分析了這次過程中的多種物理量，包括渦度、散度、垂直速度、鋒生函數、視熱源、視水汽匯等，對這一暴雨過程有了比較系統的認識。結果表明：在江淮流域存在著有利於發生暴雨的物理量場配置，渦度、散度、垂直速度等物理量，與暴雨的落區都很吻合的；低空急流的產生不僅有利於水汽的輸送，而且高低空急流的耦合造成了有利於強上升運動的配置；鋒生強度隨著降水系統的發展變化，並影響降水強度。
  2. This article obtains from the research technology progress to economy rate of rise contribution degree, the use " the charles w. cobo and paul howard douglas production function " and " solow function " unifies the technology progress to the northern tianshan slope economic belt economy rate of rise contribution degree to make the theoretical analysis and the real diagnosis discussion, analyzes this region technology progress development through computation different time technology progress contribution degree the dynamic behavior, through compares each interurban technology progress contribution degree difference condition analysis promotion technology progress level to enhance intrinsic machine - made and the external environment, by tendency angle research technology progress condition and influence factor, thus hinders the northern tianshan slope economic belt technology progress factor, and the ponder countermeasure, accelerates the northern tianshan slope economic belt technology progress, the promotion economy growth provides the reference.

    本文從研究技術進步對經濟增長速度的貢獻度入手，採用「柯布-道格拉斯生產函數」和索洛「增長速度方程」相結合的方法就技術進步對天山北坡經濟帶經濟增長速度的貢獻度做出理論分析和實證探討，通過計算不同時期的技術進步貢獻度來分析本區域技術進步發展的動態行為，通過比較各城市間的技術進步貢獻度差異狀況分析促進技術進步水平提高的內在機制及外在環境，以動態的角度研究技術進步的狀況和影響因素，從而為分析阻礙天山北坡經濟帶技術進步的因素，並思考對策，以期加速天山北坡經濟帶技術進步，促進經濟增長提供參考。
  3. Compared with cubic splines, quintic splines have more advantages for surface machining. so the generation and processing of nc instructions have become one of the nucleal technologies of cam and cnc

    由於與三次樣條函數相比，五次樣條函數具有更大的優越性，所以基於五次樣條的nc指令生成與處理技術已成為cam技術和cnc技術的主要發展趨勢之一。
  4. We deduce the correlation functions of order parameter by hyperboloid function ( t > tc, t < tc ), and then compare the two functions to get the change of specific heat, and to get correlation length ? as the token of correlation degree

    利用殘數定理分別求t t _ c ， t t _ c時的關聯函數，發生相變時比熱的躍變，找到表徵關聯的特徵量? ?關聯長度，進一步確定landau理論的適用范圍。
  5. Using these dates, the study develops a supply - demand analysis system ( consists of cobb - douglas production function modek nerlovian supply response model and double log demand function model ) to point out all the important factors affecting the supply and demand of japonica rice in china and the extent of influence respectively, especially the paper analyzed the trade status and international competitiveness of japonica rice thoroughly under the framework of china ' s joining to the wto, and according to the analysis of development trend and natura1. economic and social factors of influencing japonica rice industry, predicts the development of japonica rice industry in 2005 and 2010, brings forward some of strategies and suggestions for the future development of japonica rice industry

    以這些數據為基礎構造了我國粳稻（米）的供求分析系統（該系統由c - d生產函數模型、 nerlovian供給反應模型和雙對數需求函數模型三大模型構成） ，以此來揭示影響我國粳稻（米）供求的各種重要因素以及各因素的影響程度，特別是在wto框架下，比較全面、深入地分析我國粳米的貿易態勢和國際競爭力問題，同時根據當前我國粳稻產業的發展態勢以及對影響粳稻產業發展的自然、經濟和社會等各重要因素進行分析，據此預測我國粳稻產業在2005年和2010年的發展情況，並對我國粳稻產業的未來發展提出相應的對策和建議。
  6. 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算和生物質能量利用率計算提供了依據和方便； （ 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，根據實驗數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函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，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范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，解析推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 ） ，得出了理論推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，推導、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算方法及臨界轉速理論等。
  7. The paper is divided into three sector : in the first sector, base on cohort - component method and via quantitative analysis and qualitative analysis to matter of fact, the paper imports several variable : accelerating function of survival rate, correct children women ratio, proportion of infants, and establish correct cohort - component method. in the second sector, base on several hypothesis, zhejiang province population forecasts are made by correct cohort - component method, and population composing are presented in the future. in the third sector, base on results of zhejiang province population forecasts, the paper discusses change trend of mainly population index in the 21 century, and analyzes how population trend effects development of society and economy

    本文分三部分進行：第一部分，在隊列要素法的基礎上，通過對實際情況的定量分析與定性分析，在模型中引入了以下變量：生存概率加速函數、修正兒童婦女比、幼兒性別比，建立了修正隊列要素法模型；第二部分，在幾個重要假設的基礎上，根據修正隊列要素法進行浙江省未來五十年人口預測，給出了各預測年份分性別年齡的人口構成情況；第三部分，是在上述預測結果的基礎上，對21世紀前半葉浙江省的主要人口指標的變化趨勢進行討論，並對浙江省的總的人口變動趨勢及其對社會經濟發展影響進行分析。
  8. First of all, we summarize the view about financial development effects sector distribution of capital in the outcome of the theory of financial development, with that we set up and set forth three theoretical model : for one thing, we build up a two - sector - model about capital good and consumption good ; secondly, we set forth a two - sector - model about financial sector and industrial sector and find the endogenetic relationship of financial development, the sector distribution of capital and economic growth ; finally, we new - classical bring production function of galbis " model into endogenetic framework

    根據投資品與消費品兩部門模型得出了金融發展主要通過影響生產性部門的資本分配來促進經濟增長、且長期中消費品生產部門可以逐步趨于均衡經濟增長的結論；由金融部門與非金融部門模型得出了金融發展、資本部門分配與經濟增長內生循環的機制；最後，將加爾比斯模型的新古典生產函數納入了內生增長理論的框架。
  9. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻，總結了滑模變結構控制的發展歷史和特點，詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法；系統分析了變結構控制系統抖振產生的機理，並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法；針對傳統抑制和消除抖振方法的不足，改進了傳統方法，得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法；針對不確定性線性系統，在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振，提出了一種自適應模糊積分變結構控制方案（ afivsc ） ，利用模糊邏輯來柔化控制量中非線性不連續部分，採用自適應理論，根據系統不確定性大小在線調整模糊輸出量的隸屬函數，另外，鑒于模糊控制本質上是有靜差的，所以本文選擇了帶積分項的切換函數，由於積分項的存在使系統較正為無靜差系統。
  10. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。
  11. Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research

    接著，建立了和研究了二維二速的主幹道模型，該模型模擬了城市交通中一條主幹道，多條支道的交通情況，在幹道與支道的交叉路口設置紅綠燈，車輛在運行中可以有對突發事件發生反應的剎車，在發生堵塞時，路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生，給出了車輛演化的演化方程，並通過計算機模擬，研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化，並分析在各種情況下交通狀況的成因，提出改善交通的有效措施。最後，在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下，將此法推廣到對二維bml模型的模擬上，得到了與用以往方法的研究結果相類似的速度-密度圖線，且車輛從運動相到堵塞相轉變的上下臨界密度是一致的，同時分別給出車輛在處于暢通相和堵塞相時， boltzmann函數在格子上的分佈情況，進一步驗證了此法的可行性。
  12. Then, analyzing the present situation of industrial development in chongqing, and choosing the ownership structure 、 human resource quality 、 and the degree of opening as the factors influencing the te, the frontier production function and te are estimated by using the b & c model and " frontier " 4. 1 software, value of te ( 1978 - 1999 ) is also gotten, and compared with the national level

    在分析了重慶市工業發展的現狀后，以重慶工業為實證研究對象，選用所有制結構、人力資源素質以及對外開放程度三個指標作為影響技術效率的因素。運用b & c模型，使用coelli編制的軟體「 frontier " 4 . 1版對前沿生產函數和技術效率進行了估計，得到1978 ? 1999年間重慶工業技術效率值，與全國平均水平進行了比較。
  13. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。
  14. In chapter two, uses cobb - douglas production function model to estimate about two kinds of ownership efficiency in guangdong, finds that public - owned economy compared with non - public economy lacks vigor generally. on this basis, puts forward some views on the adjustment of the ownership economic structure of guangdong : expediting the reforming of the public owned enterprises, especially the state owned enterprises ; ameliorating the allocating of the capital and labor ; enlarging the investment in science and technology

    在第二章，借用cobb ? douglas生產函數模型對廣東兩種性質所有制效率進行估計，發現公有制經濟與非公有制經濟相比總體上缺乏活力，在此基礎上，對廣東所有制結構的調整提出了一些看法：加快公有制改革，特別是國有企業改革步伐；合理配置資本投入和勞動力投入；加大科技投入。
  15. So the paper combined the fuzzy logic control and recurrent neural network, and the recurrent fuzzy neural network ( rfnn ) controller is introduced into the speedsensorless vector control system. moreover, an online parameter training methodology, which is derived from the lyapunov stability theorem and gradient descent method is proposed to increase the learning capability of the rfnn. the rfnn controller has a better performance than the pi controller system ; the effectiveness of the proposed control scheme is verified by simulation results

    因此論文將模糊控制和具有優越動態性能的遞歸神經網路結合起來，取長補短，提出了一種遞歸模糊神經網路控制方法，利用神經網路來實現模糊推理，可動態的調整隸屬函數的形狀、位置以及神經網路遞歸權值，並對其與pi控制器的交流調速控制系統進行了模擬比較，模擬結果表明與普通的pi控制器相比較，遞歸模糊神經網路控制器有較好的動態性能，控制器的收斂速度快、靜差小，系統在遇到參數發生變化和外部不確定性問題時魯棒性、抗擾動性有明顯的提高。
  16. Our findings basically imply that there does not exist any uniform production function across countries, which provides strong warning on the easy adoption of any uniform production function in cross - country growth studies

    我們的發現表明不存在適用於所有國的通用生產函數，這就對那些在經濟發展之國家比較研究中簡單假設存在通用生產函數的做法提出了強烈質疑。
  17. Mr alex arena issued a letter to ms eva cheng, deputy secretary for information technology and broadcasting ( ds ( itb ) ), on a comparative analysis of the options for the cyberport

    Alexarena先生致函資訊科技及廣播局副局長鄭汝樺女士，述明有關數碼港發展方案的比較分析。
  18. The computation should be as below : firs t to process and analyze the data with software - sas, spss and so on ; then to set up linear production function, cobb - douglass production function and quadratic production function ; and to calculate total returns, marginal returns and average returns ; and finally to carry out comparative analysis about all the computation results of different methods

    除此以外，還建立了線性生產函數、二次生產函數等不同類型的數學模型，並對不同方法的計算結果進行對比分析，以尋找最切合實際而行之有效的經濟學方法。分析表明:在時間演變上，張掖綠洲農業水資源總效益是遞增的，而且具有加速度，反映了農業技術進步對生產發展的促進。
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