concentration theory 中文意思是什麼

concentration theory 解釋
匯流理論
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. On the base of these theory calculations, we passivated the front - surface both of different surface doping concentration solar cells by a thin layer of thermally grown sio2. the results show that the in heavy surface doping concentration cell is lower compared to the cell in light surface doping concentration. the majority of improvement in comes from the emitter surface passivation

    接著採用sio2作為鈍化膜，從實驗上比較了在不同表面濃度下單晶硅太陽電池的鈍化效果，結果表明在高表面濃度下其開路電壓比低表面濃度下的開路電壓低，這開路電壓的提高主要來源於降低了前表面復合。
  2. In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained

    該模型首先運用兩相流理論獲得了通道內液膜厚度，然後通過污染物在氣相、液相的質量組分方程，結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程，獲得了污染物在液相和生物膜中濃度分佈的近似分析解，最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。
  3. Many economists, from adam smith, carl marx, marshall to bain, galbraith and chandler, have treatises on the tendency of enterprises " becoming larger. in more than two hundred years, we can see the track of their thought in their respective works : the wealth of the nations, principles of economics, the theory of industrial organization, monopoly and economic concentration, and visible hand

    關于企業大型化的趨勢從亞當?斯密開始，經馬克思、馬歇爾、到貝恩、加爾布雷斯和小艾爾弗雷德?錢德勒，二百多年來，國外學者論著眾多，我們可以從《國富論》 、 《資本論》 、 《經濟學原理》 、 《產業組織論》 、 《新產業國家》和《看得見的手》等系列文獻中看到他們的理論思想軌跡。
  4. The predicted value of the model theory coincided basically with the experimental result of the waste gas methyl benzene of low concentration in the trickling biofilter

    模型的理論預測值與生物膜滴濾塔凈化低濃度甲苯廢氣的實驗結果基本吻合。
  5. Firstly, this paper carries out some research about theory, introduces the basic concept, content, class and research outcome in theory of the enterprise m & a which includes the economy definition of enterprise m & a by the west scholars, the research outcome of capital concentration marx did and the research outcome of enterprise quitclaim dealing the scholars of our country did, then summarizes the conclusion and research outcome of the m & a practice which introduces the global m & a developing history mainly from america and china

    本文首先進行了理論方面的研究，介紹了企業並購的基本概念、內容、分類和理論界對企業並購的主要研究成果，其中包括西方學者對企業並購的經濟學解釋、馬克思對資本集中的研究成果以及我國學者對企業產權交易的研究成果；並且總結了並購實踐方面的研究成果和結論，其中主要從美國和中國兩個方面介紹了世界范圍的並購發展史。
  6. The carrier bar of the mud scraper in horizontal flow basin, concentration tank and secondly precipiting basin is blongs to pole and beam structure. in this paper, the method of finite element is used to analyze the structure, and provides the basic theory and the process of analysis

    水處理設備平流池、濃縮池、二沉池的刮泥機承載梁屬于桿梁結構。文中採用了有限單元法對其進行研究，並且給出了有限單元法的基礎理論和分析過程。
  7. Firstly, it is necessary to determine the variation of ddmbac concentration during coagulant sedimentation. according to basic theory of statistical analysis, the analytical method of ddmbac, which was based on modification, optimization and perfection of spectrophotometric method using acid blue 1 #, was developed in this paper

    為確定混凝沉澱過程中陽離子表面活性劑ddmbac濃度的變化，本文從基本的數理統計理論出發，對陽離子表面活性劑檢測方法酸性藍分光光度法進行了改進、優化和完善，建立了適于本研究中測定ddmbac的分析方法。
  8. Ln this paper, the flame stability function is anaiyzed, and high concentration puiverized coai theory is researched, which is on the base of the fire and combustion characteristics of the coai

    本論文從煤的著火和燃燒特性出發，分析了煤的著火穩燃性能，研究了高濃度煤粉燃燒理論。
  9. Then we studied the effect of junction uniformity on the aluminum - alloyed back surface field to solar cell performance. the formation theory of aluminum - alloyed back surface field, the effect parameters to the doping concentration and the junction depth were analyzed

    比較了兩種商業太陽電池的雜質濃度分佈及結深情況；敘述了鋁背場的作用及形成原理，對影響鋁背場表面濃度和結深的參數作了分析。
  10. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  11. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象，在闡述了曝氣過程式控制制參數選取可行性的基礎上，建立了以溶解氧濃度do和活性污泥排放量qw為控制變量，以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論，在現有關于污水處理最優控制問題研究的基礎上，建立了有約束條件多變量能耗最小數學模型，該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件，曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化，並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元，應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解，並進行模擬實驗驗證。
  12. In late 19th century after mass concentration of production and accumulation of the capital, a group of monopoly enterprises with powerful control to the market emerged in the industrial country, such as britain and unite states. the activities of these enterprises had drought much attention from the scholars. based on the studying of those activities, the theory of modern anti - monopoly was fundamentally formed

    19世紀後期，英、美等工業化國家出現通過大規模生產集中（資本積聚）等原始積累方式建立起來的壟斷企業，市場壟斷的危害性開始受到廣泛的重視，在對壟斷現象進行深入研究的基礎上，現代反壟斷理論得到了進一步的發展。
  13. Based on the effective competition theory, the writer agrees in denying the scale standard and tolerating the mixed combnition, through defining the relevant market, examining the market share and the market concentration degree and on the basis of considering market ' s entering factors, such as the obstacle the bankrupt, the economic benefits and the international competitiveness, etc, then absorbing the rational factors in the rational principle, the social public interests

    基於有效競爭理論，筆者贊同在認踴準上，否認賬標準，容忍非橫向合併，通腑定相關市場，審查市場份額和市場集中度，再在考慮市場進入障礙、瞰、經濟效益、國際竟爭力等因素的基礎上，吸收合理原則、社會公益原則和卯原則中的合理因素，綜合分析企業合併行為在反壟斷法上的合法性。
  14. The influence of y _ 2o _ 2s : eu phosphors fluorescent spectra, chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd, fluorescent spectra analysis, time - basing spectra analysis, long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure, luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors, finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 +, the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies. at the same time, by using rare - earths metals adulteration and theory of chroma synthesis, the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched

    應用x射線粉末衍射（ xrd ） 、熒光光譜、時間分辨光譜及磷光體長余輝壽命測試等綜合實驗手段，較系統地研究了摻雜eu對熒光體y2o2s ： eu熒光體的發光光譜、色度和發光強度的影響；研究了不同mg ， ti含量對磷光體基質結構性能、發光強度與余輝曲線的影響及其適宜的摻雜濃度；基此，研究了在給定mg ， ti含量時，不同eu摻量對磷光體發光強度和余輝的影響規律；從稀土摻雜和色度合成原理分別探討了eu的發光敏化增強和制備不同光色長余輝磷光體的可能性。
  15. During this time, researches on big business almost developed along two roads : one is the theory of industrial organization in western economics, which focuses on applying " structure - conduct - performance " mode to studying the formation and development of big business ; the other is the theory of capital concentration in marxism, which profoundly analyzes that in competition the motivation of pursuing surplus value drives enterprises to expand, and finally the general rule that competition results in concentration which further results in monopolistic large firms is drawn

    這期間，對大企業的研究基本上是沿著兩個理論範式發展的。一個是西方經濟學中的產業組織理論，偏向于應用市場結構-行為-績效的分析範式來研究大企業的形成和發展特點；另一個是馬克思主義經濟學中的資本集中理論，深刻分析了在競爭條件下，追逐剩餘價值是刺激企業不斷擴張的動力機制，從而進一步揭示出競爭引起生產和資本的集中，集中又將導致壟斷大企業產生的一般規律。
  16. So this paper try to study fresh air and indoor air quality problem with uncertain method. this paper firstly utilizes grey systematic theory and already existing definite physical model to develop the non - intrinsic grey model of the effect of outdoor air on indoor air and analyse every grey parameter in the non - intrinsic grey model. on the basis of above mentioned, the change of carbon dioxide concentration indoor with the change of time is evaluated

    根據灰色系統理論的建模思想，利用灰色系統理論和原有的確定性物理模型建立新風量對室內空氣品質影響的灰色非本徵模型，並對灰色非本徵模型中的各個灰參數進行分析，在此基礎上，將建立的模型對不同新風量條件下室內co _ 2濃度隨時間的變化過程進行模擬計算分析。
  17. By introducing the diffusion caused by sediment colliding, the diffusion theory is revised, and the equation for sediment concentration distribution is derived from theory analysis

    進而在引入顆粒碰撞擴散的基礎上，對泥沙顆粒擴散理論進行修正，從而在理論上得到了挾沙水流泥沙含量分佈規律的公式。
  18. This paper applies the industrial concentration theory to the research of our travel agency industry ' s development, using the index of absolute concentration points, on the basis of abundant data, to carry out the qualitative analysis and quantitative survey of the our travel agency concentration, which consequently make clear the status quo and performing regularity of our travel agency, all those guarantee the result should be straightforward and scientific

    本文將產業集中度理論導入我國旅行社產業發展的研究，在查閱大量的文獻和資料的基礎上，運用絕對集中度指標對我國旅行社業的集中度進行定量測算和定性分析，明晰了我國旅行社產業集中度現狀及其運行軌跡，其結果具有直觀性、科學性。
  19. In chapter 3, we studies the concentration of the banking industrial organization, including the concentration theory, the concentration history, the concentration degree of foreign countries, the reasons and approaches of the concentration of the banking industrial organization

    本章還從理論上研究銀行產業組織及其基本特徵、主體理論範式（結構?行為?績效） ，為本文下一步的研究提供理論分析的基礎。
  20. Analysis of travel agency industry concentration in china industrial concentration theory, originated in western developed countries in the 21 century, got its momentum and has been put into widely use because of its adaptation to the systematization and complication of economy and the trend of mathematicalization and modernization in economic research

    產業集中度理論是20世紀從西方發達國家興起的一種經濟理論，由於它適應了經濟系統化、復雜化以及經濟研究數學化、模型化的潮流而得到了迅速發展和廣泛應用。
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