size coefficient 中文意思是什麼

size coefficient 解釋
尺寸影響系數
  • size : n 1 大小，尺寸規模身材。2 （鞋帽等的）尺碼，號；（紙張的）開。3 巨大，大量；相當大的分量。4 〈口...
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. It has a high entrapment efficiency of 98. 3 %, particle size distributing within 5 - 7u m, viscid coefficient of 1432 centipoise. antigen was stable after multiple emulsion treated with gastric juice for 0. 5 - 6h. study on distribution in vivo of me revealed that me could stay for a long time in stomach and that antigen concentration in mesentery was increased with time and reached peak at 24h

    疫苗復乳的包封率為98 . 3 % ，粒徑主要分佈於2 ~ 10pm之間，集中於5一7pm ，粘度為1432厘泊，體內分佈實驗顯示， 6h胃中的抗原濃度仍很高，腸系膜淋巴結中的放射量24h最高，與胃液作用0 . 5 ~ 6小時復乳中的抗原不受影響，口服免疫小鼠后明顯提高了rhp疫苗的免疫應答水平。
  2. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例，文章考慮了股票的凈值市價比（ b p ） ，市盈率倒數（ e p ） ，流通規模（ size ） ，流通比例（ stru ）和財務杠桿（ levge ）等五個財務指標，應用描述性統計檢驗和橫截面統計檢驗等多種方法，結果表明，除系數以外，凈值市價比（ b p ）和流通規模（ size ）對證券收益率部有重要的影響。在論文的第三章，提出了一個基於多因素的風險因子模型，並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數（類似於單指數模型中的系數） ，據此，即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  3. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。
  4. The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model

    本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題，研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響，探討了低熱固相反應的機理，並通過引進「恆壓-恆流充電容量比」的概念，給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。
  5. The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment

    本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手，得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。
  6. After testing thermal conductivity ( k ), electrical conductivity ( ) and see - beck coefficient ( a ), the results demonstrate that for cosb3 nano - materials, with decreasing in grains size lattice thermal conductivity falls, electrical conductivity decreases and seebeck coefficient increases. thermoelectric performance figure ( zt ) cosbs nano - compound with grains size of 200nm has reached 0. 43

    通過對一系列不同晶粒尺寸cosb _ 3化合物的熱導率、電導率和seebeck系數的測定，討論了晶粒尺寸大小對結構納米化對熱導率、電導率和seebeck系數的影響，結果表明：隨著cosb _ 3化合物晶粒尺寸的減小，晶格熱導率_ l顯著降低，從而導致cosb _ 3化合物的熱導率的降低；電導率也有一定的降低；以及seebeck系數顯著增加。
  7. Multiple comparison method and similarity coefficient method were developed to estimate population size of the giant panda. the chi - square testing was used to determine the relationship between the occurrence of pandas and the type and intensity of human disturbance. habitat selection of the giant panda and impacts of human disturbance, such as logging, livestock grazing, herb collecting, poaching, road building, were quantitatively analysed by habitat selection index of manly

    同時還利用manly （ 1993 ）的選擇指數（ selectionindex ） ，定量分析王朗大熊貓對生物和非生物生境因子的選擇，特別是分析如採伐、放牧、采藥、偷獵、修路等人類干擾對大熊貓及其生境的影響，從而為保護區大熊貓的管理提供依據，將造成大熊貓瀕危的人類干擾降至最低。
  8. The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard

    我們的研究和改進工作包括:研究最優非均勻自適應量化器，及其自適應演算法;研究波形預測函數，以及函數零點、極點的自適應演算法;基於每n （ n 1 ）個樣本所對應符號的概率統計，對預測殘差量化值再進行huffman編碼，進一步降低比特率。
  9. The average partical size of bismuth ruthenate and pbo - b _ 2o _ 3 - sio _ 2 glass was researched. the smaller bismuth ruthenate partical is, sheet resistivity is lower and temperature coefficient of resistance ( tcr ) is more positive and the refiring change ratio is nearer to zero. the limit size of bismuth ruthenate partical is 0. 56 m

    研究了各相粉體平均粒徑對膜層性能的影響，結果表明:釕酸鉍平均粒徑越小，膜層的方阻值越小，電阻溫度系數偏正，重燒變化率越接近零值，球磨工藝的極限平均粒徑為0 . 56 m 。
  10. Drawing piece unfold size is one basic condition under the calculation on coefficient, number of drawing, handbooks or books of press are not given, practice press production, die designer designs drawing die by experience calculation, after testing, according to deformation, state, defect shape of testing blank, shape and unfold size is revising, finally, unfold size and shape of blank are determined, designing period is longer, cost of die and work piece is to raise, economic benefit is to reduce

    拉深件展開尺寸是拉深可行性分析中計算拉深系數與拉深次數的前提條件，現有沖壓手冊或教材對于復雜拉深件的展開尺寸計算尚未論述。復雜拉深件的沖壓生產中，模具設計者憑經驗估計拉深可行性，設計製造拉深模進行反復試壓，根據試壓件的形變狀態，缺陷形貌，制定坯料展開尺寸和形狀，周期較長，因而生產成本高，經濟效益不佳。
  11. For better veracity of simulating model, model is used lookup - table module to calculate the thermodynamic character of refrigerant, and datas of experience and test is combined in the compressor module, also the coefficient of heat transfer changing by running parameter is decided by computational procedure. in addition, choosing congruence step size solves the divergence of simulation procedure

    為了使模擬模型具有相當的準確性，模型中採用查表模塊進行製冷劑熱力性質計算，壓縮機模塊中將實驗數據與經驗計算數據相結合，通過程序運算確定冷凝器和蒸發器傳熱系數與運行參數之間的關系，並成功解決了模擬程序運行發散的問題。
  12. We have investigated transport properties of electrons in magnetic quantum structures under an applied constant electric field. the transmission coefficient and current density have been calculated for electron tunneling through structures consisting of identical magnetic barriers and magnetic wells and structures consisting of unidentical magnetic barriers and magnetic wells. it is shown that the transmission coefficient of electrons in a wider nonresonance energy region is enhanced under an applied electric field. the resonance is suppressed for electron tunneling through double - barrier magnetic ( dbm ) structures arranged with identical magnetic barriers and magnetic wells. incomplete resonance at zero bias is changed to complete resonance at proper bias for electron tunneling through dbm structures arranged with different magnetic barriers and magnetic wells. the results also indicate that there exist negative conductivity and noticeable size effect in dbm structures

    對磁量子結構中電子在外加恆定電場下的輸運性質進行了研究.分別計算了電子隧穿相同磁壘磁阱和不同磁壘磁阱構成的兩種磁量子結構的傳輸概率和電流密度.計算結果表明，在相當寬廣的非共振電子入射能區，外加電場下電子的傳輸概率比無電場時增加.對于電子隧穿相同磁壘磁阱構成的雙磁壘結構，共振減弱；對于電子隧穿不同磁壘磁阱構成的雙磁壘結構，無電場作用時的非完全共振在適當的偏置電壓下轉化為完全共振，這時的電子可實現理想的共振隧穿.研究同時表明，磁量子結構中存在著顯著的量子尺寸效應和負微分電導
  13. Thus, the conclusion is drawn : when the diffusion coefficient of cf is invariable and the diffusion time is under a certain range, the beginning corrosion time of the steel in the corner of the rectangular section is independent of the size of rectangular section ; ( 4 ) through the numerical value calculation of rectangular section, the law is found of the influence on modifying coefficient of rectangular section of the thickness of protection layer of concrete and diameter of the steel and the thickness of cf on the surface of concrete, based on which practical calculating method of beginning corrosion time of the steel in the corner of rectangular section is set up

    從而得到結論：在氯離子擴散系數一定的情況下，在一定時間范圍內，矩形截面邊角區域鋼筋的初始銹蝕時間不依賴于矩形截面的截面尺寸； （ 4 ）通過矩形截面邊角區域鋼筋初始銹蝕時間的計算，分析了保護層厚度、鋼筋直徑、混凝土表面氯離子濃度對修正系數的影響，並在此基礎上建立了氯離子侵蝕下矩形截面邊角區域鋼筋初始銹蝕時間的實用計算方法。
  14. It analyses the causes to bright image movement, studies principle to compensate image movement, conforms project to compensate image movement, and designs framework to compensate image movement in the article ; to analyze and design configuration of the scanning mirror, to select matters of mirror and its support structures on the principle of consistent line expansion coefficient ; to ascertain type of moment electromotor by most rotating angle speed and most rotating moment which are required by loads in the period to take pictures, as well as by figuration size of electromotor ; to design retarder according as the electromotor parameters ; to design and optimize lightweighted mirror shapes, because the mirror is key part ; to design flexure support structure, to analyze static and dynamic characteristics of the support structure by name of patran program for validating desig n rationality ; to study function of the scanning mirror electric control system ; to test precision of the system, the results indicate the rationality of design of the scanning mirror system

    本文通過分析像移產生原因、研究像移補償原理，確定像移補償方案，並根據像移補償原理設計補償機構；分析與設計掃描反射鏡系統結構，根據材料線膨脹系數一致原則，選擇反射鏡及其背部支撐的材料；由掃描反射鏡在擺掃周期內的最大擺掃角速度確定力矩電機的額定轉速，根據負載力矩確定電機的額定轉距，綜合電機外型尺寸等因素，確定執行元件? ?電機的型號；根據所選電機的參數指標，設計1 ： 6速比的減速器；利用patran軟體對掃描反射鏡系統中的關鍵件? ?反射鏡進行輕量化設計與優化；設計反射鏡柔性支撐結構，並通過軟體分析支撐結構的力學特性，驗證反射鏡柔性支撐結構設計的合理性；從原理上研究掃描反射鏡控制系統功能；進行系統精度測試，測試結果表明掃描反射鏡系統設計的合理性。
  15. The step size for coefficient update in the mf is controlled by the estimated snr

    通過sf估計輸入信號信噪比（ snr ）來控制mf系數更新的迭代步長。
  16. The program is applied to simulate the procedure of the upsetting, and the influence of size coefficient and weight function on the calculation results are also analyzed

    採用編制的程序以圓柱體的鐓粗過程為例，分析了尺寸因子、權函數等對計算結果的影響。
  17. First, the basic theory of static load sharing mechanism has been presented, mainly including manufacturing and assembly error of each gear component ' s axis and each bearing ' s axis, gear size ( tooth thickness ) errors, simultaneous error of middle two - tooth. the formula of equivalent mesh error has been deduced, the load sharing coefficient has been computed. second, the influences of each error on the static load sharing coefficient have been discussed

    首先，從靜力學的角度研究了星型齒輪系統均載的基本原理；確定了影響齒輪系統均載特性的製造和安裝誤差，主要包括：各個齒輪構件的中心軸線製造和安裝誤差、軸承中心軸線的製造和安裝誤差、齒厚偏差、雙聯星輪同時嚙合線誤差；推導了這些誤差的當量嚙合誤差的計算公式，分析了系統的均載特性。
  18. With checking and optimization, some rational suggestions on bridge location, shape and overall arrangement is put forward. after construction checking, the author also puts forward some requests for construction pre - cove and safety pier setting, at the same time gives optimum design on joint balance pier. construction structure checking indicated that not only the strength and stability coefficient of rotation stiffness framework is affluent, but also the section size

    通過驗算及優化，對該橋推薦方案的橋址、武漢理工大學碩士學位論文橋型及橋梁總體布置提出了合理化的建議;通過施工驗算，對施工預拱度及保險墩的設置提出了要求，對交界平衡墩進行了優化設計;施工結構驗算表明，轉體勁性骨架強度、穩定性富餘系數較大，截面幾何尺寸過大，結構設計過于安全保守，並提出了結構優化的方法，從而大大節省了工程投資，加快了工程進度，增強了橋梁的美觀。
  19. The difference among the elasticity modulus of various microstructures is probably the main reason, which caused the experiment results above. under the same experiment conditions, such as sample shape, size, surface roughness, establishment of testing system, pressure on the probe, and thickness of coupling medium, the variety of relative attenuation coefficient ( or ) in different heat treatment samples is measured and compared by measuring the attenuation obtained from the cylindrical surface of column. the result is as following : for 40cr and 38crmoal, a mt < az mq < a s < a p + f ; for gcrlssimn, a mt < a annea < s < a p + f ; and a increased with the increasing of frequency

    在保證試樣形狀、尺寸、表面光潔度、系統參數設置、施加在探頭上的壓力以及耦合層厚度等測試條件一致的情況下，利用棒材圓柱面測衰減系數法，分別測定並比較上述不同熱處理試樣相對衰減系數的變化情況，得到的實驗結果是：對於40cr及38crmoal鋼， _ （低溫回火） （淬火） _ （高溫回火） _ （正火） ；對于gcr15simn鋼， _ （低溫回火） _ （退火） _ （高溫回火） _ （正火） ；且隨著頻率的提高，衰減系數均呈現增加的趨勢。
  20. The complicated mountain topography and disturbed degradation ecosystem cause the landscape characteristics of high patch size coefficient of variance, anomalistic patch shape and high fragmentation degree. the moderate erosive intensity and area are both the greatest, which mostly distributed in the degraded landscape affected by human unreasonable activities

    巫溪縣復雜的山地地勢及受干擾的退化系統，形成了其斑塊面積變異性大、形狀不規則、破碎化程度高的景觀特點，中度侵蝕是侵蝕強度與面積均大的侵蝕類型，且主要分佈在受人類不合理開墾、濫砍濫伐活動的退化景觀上。
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