positive distribution 中文意思是什麼

positive distribution 解釋
正廣義函數
  • positive : adj 1 確實的，明確的；確定的；無條件的 （opp qualified implied inferential）; 絕對的，無疑問的，...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. The distribution of the brine shrimp hgcs varies greatly from the species studied till now. one hour after hatching, neither the dorsal - anterior area nor the other dorsal area remained positive immunoreactivity signal. and 2 hours after hatching, there was no typical hgcs in the body of the brine shrimp and the remained hatching enzymes may participate in digesting the left vitellin in the nauplius

    鹵蟲hgc最初出現至孵化前1h時均為全身性分佈，從孵出到孵出后2h ，頭鹵蟲孵化酶的生物化學性質及孵化腺細胞的免疫組織化學研究部的孵化酶顆粒已經減少，而變為非全身性分佈，到孵出后sh ，孵化酶顆粒已基本消失殆盡。
  2. Distribution of positive and negative charges inside a cumulonimbus cloud

    積雨雲內的正負電荷分佈情況
  3. In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model

    本文著重以下三個方面的研究： （ ）低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型，研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。
  4. As regards sk ( bias angle ) and kg ( kurtosis ) values, the fluvio - lacustrine facies or palaeosols increases considerably compared with the aeolian sands. the former displays positive bias and the latter often approximately symmetrical distribution with only a minority negative bias

    就sk和kg變化而言，河湖相或古土壤值較之風成砂明顯增高，前者呈正偏，後者常常表現近對稱分佈，僅少數呈負偏。
  5. We analyse the dispersion of stock returns and have the tests of serial correlation. the results show that the trading mechanism has a significant effect on a number of characteristics of stock returns. first, the distribution of open - to - open returns has greater variance than that of close - to - close returns. second. the serial correlation pattern is quite different in the two return series. the open - to - open returns have negative autocorrelation coefficient, but the close - to - close returns is positive. further, employing an arma ( 1, 1 ) model we find that in the opening. returns exhibit higher residual noise and stronger dependence on past returns, reflecting stronger deviations from the random - walk form of the market efficiency hypothesis

    主要表現為：一，開盤收益序列比收盤收益序列具有更大的方差。二，兩種收益序列的序列相關形式不同，開盤收益序列表現為負相關，而收盤收益序列表現為正相關。而且我們通過arma （ 1 ， 1 ）模型的進一步檢驗，發現開盤收益序列比收盤收益序列具有更大的殘差，更依賴于過去的收益序列，也更偏離於市場有效的隨機遊走形式的假設。
  6. Based on the discussions of four typical biological prototypes of swarm intelligent behaviors, namely ant colony foraging, ant clustering, labor division in ant colony, and bird flock foraging, the features of swarm intelligence as a system are analyzed in detail and some important implied characteristics, such as distribution, self - organization, and positive feedback, are revealed and expanded

    在論述蟻群覓食、蟻群墓地構造、蟻群勞動分工和鳥群覓食這幾類典型的群集智能行為的生物學原型的基礎上，深入分析了群集智能的系統特徵和所蘊涵的分散式、自組織和正反饋等重要特性，並給出了翔實的論述說明。
  7. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方法，分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題： （ 1 ）在分析現有幾種典型的管道垂直土壓力計算方法的基礎上，探討了影響垂直土壓力的主要因素以及改進的方法； （ 2 ）分別通過彈性理論分析法和結構力學的方法，建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程，並應用在算例中，把所得結果和有限元方法所得結果進行對比分析； （ 3 ）考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響，利用有限元的思路，建立了地下管道橫向力學有限元計算模型和方法，並且採用大型有限元分析軟體ansys ，針對上埋式管道工程算例，得出了管周土壓力以及管道橫截面應力的分佈狀況和規律，並和理論值進行對比；針對施加柔性填料的上埋式管道工程實例，得出了減荷后的土壓力分佈，並和實測值進行了對比。
  8. There was a positive relationship between the uniformity degree of the piemarker distribution in field and attractive rate

    在棉花和大豆的整個生長期間，苘麻對煙粉虱均有極顯著的誘集作用，但不同播期苘麻的誘集效果差別明顯。
  9. Was first processed by dgd embedment and embedment - free technique and general technique for em morphology. a perinuclear structure consisted of interacted filaments we called lamina - like structure was observed. then using western blot assay, we found a lamin - like component band of 68kd protein in the three - step - fractionated cells. to investigate the distribution of the lamin - like protein in cells, a immunofluorescence experiment for in situ hybridization was designed using goat anti - lamin protein antibodies as the probes. the results revealed that the positive reactivity presented at different part of the cells. the perinuclear cross - actions were distinct, and cross - action with the oral apparatus and the cortex were also obtained

    本文以dgd包埋去包埋技術對草履蟲的核纖層通過透射電鏡和免疫熒光分子雜交等技術進行了觀察。結果顯示，在核周存在由10nm纖維組成的核纖層免疫熒光結果表明，在核周呈陽性反應，並在其表皮口器等部位呈交叉的陽性反應蛋白分子雜交的反應帶在68kd處呈陽性反應。
  10. The systematic and synthetic description and review of lianas, chiefly in tropic, are described and reviewed in this paper, in which some ecological questions of lianas are included distributed as follows : ( 1 ) the conception and significances of lianas ; ( 2 ) liana flora and its distribution in the world ; ( 3 ) its biological characteristics ; ( 4 ) its ecological characteristics ; ( 5 ) its abundance ( density ) and species - richness in tropical forest ; ( 6 ) the ecological significance of lianas - aggregation in gap and the variance of its abundance in the process of forest succession ; ( 7 ) the relationship between lianas and trees ; ( 8 ) the positive and the negative contribution of lianas to tropical forest ; ( 9 ) the types of climbing mechanism of lianas and its competitive predominance ; ( 10 ) global climate - variance ( co2 increase ) promotes abundance of lianas to increase, and some ecological consequence are resulted from which

    摘要對藤本植物（以熱帶為主）研究的動態與發展進行了綜述，其中包括： （ 1 ）藤本植物的概念及重要性； （ 2 ）藤本植物區系和分佈； （ 3 ）藤本植物的生物學特性； （ 4 ）藤本植物的生態學特性； （ 5 ）藤本在森林中的多度（密度）及種的豐富度； （ 6 ）藤本在空地上聚生的生態意義以及它們在森林演進過程中的消長； （ 7 ）藤本與樹木的相互關系； （ 8 ）藤本對森林正面和負面的影響； （ 9 ）藤本的攀援方式類別及其競爭優勢； （ 10 ）全球氣候變化（ co2濃度增高）促進藤本優勢度增長並導致不良的生態後果。
  11. ( 2 ) the distribution, flux and flowrate of the gases are exactly under control. in order to grow high - quality diamond film on si substrate, the quality of diamond film on a mirror - polished single - crystal si surface is examined experimentally, and the enhancement mechanisms of positive or negative bias on nuclear formation is interpreted theoretically

    為了在si襯底上生長高質量的金剛石薄膜，對在鏡面拋光si表面上的成核進行了深入的實驗研究，對襯底偏壓（正、負）的增強成核作用給出了自己的解釋。
  12. The result showed that the biomass of different organs of chinese - fir treated with aqueous extracts of schima superba, castanopsis fargesii and pinus massoniana after six years were increased in some degree, the higher the concentration was, the higher the positive effect was, and low concentration had positive effect on the bark, branch and litter biomass distribution, high concentration had positive effect on the leaf, root and stem biomass distribution ; that the biomass of chinese - fir treated with cunninghamia lanceolata after six years were decreased, the higher the concentration was, the higher the inhibited effect was, and low concentration had positive effect on the leaf, bark, root, branch and stem biomass distribution, high concentration had positive effect on the litter biomass distribution

    結果表明絲栗栲、馬尾松、木荷水浸液處理杉木6年後，各器官的生物量有不同程度的提高，隨著濃度加大其促進作用增強，在低濃度時有利於皮、枝和枯枝落葉生物量分配率，高濃度時有利於葉、根、乾的生物量分配率；杉木水浸液處理杉木6年後，各器官生物量有不同程度的降低，隨著濃度加大其抑制作用增強，在低濃度時有利於葉、皮、根、枝和乾等各器官生物量分配率，高濃度時有利於枯枝落葉生物量分配率。
  13. ( 3 ) by using the method of svd and its second spatial distribution pattern, we can find that there is an evident positive relationship between the spring greenland sea - ice extent and summer rainfall of north china, that is to say, if the spring sea - ice extent of greenland is larger ( smaller ), then there is much more ( less ) summer rainfall in north china

    （ 3 ）採用奇異值分解方法，由第二對空間分佈型可以看出，春季格陵蘭海冰與華北夏季降水存在明顯的正相關關系，即春季格陵蘭海冰面積偏大（小） ，則後期華北夏季降水偏多（少） 。
  14. Through analysis of potential vorticity in isobaric surface field, in low - troposphere a positive potential vorticity disturbance exist and form incline disturbance column northward before rainstorm generation, at the same time have also reflected positive potential vorticity disturbance for severe convection weather trigger role in lower - troposphere ; soon positive potential vorticity disturbance in high - troposphere downward, form one vertical disturbance column, now corresponding precipitation develop stage ; in the prosperous stage of rainstorm that maintains isolines of horizontal distribution and still have straight positive potential vorticity disturbance in 600 - 700 hpa isobaric surface field ; when near ground arises negative potential vorticity disturbance, precipitation also weaken

    通過對等壓面的位渦分析，發現了在暴雨發生前，在對流層低層有正位渦擾動存在並向北形成傾斜的擾動柱，同時也反映了對流層低層正位渦擾動對強對流天氣的觸發作用；隨后高層正位渦向下擾動，形成一個垂直擾動柱，這時對應降水的發展階段：在暴雨的鼎盛階段， 600 700hpa上空維持水平分佈的等值線，在其上還有正的位渦擾動；當近地面出現負的位渦擾動時，降水隨之也減弱。
  15. Variance can be expressed quantitatively as a real, positive number. a variance of zero indicates that all scores in a distribution are identical

    差異可以被量化為一個正實數。零的差異表明在某一區域所有的分數都是相同的。
  16. Based on the mixture distribution hypothesis ( mdh ) theory, the paper conducted an empirical study into the daily liquidity and volatility of three futures, i. e., bronze, aluminum and natural rubber, and discovered that the trade volume and volatility display a significantly positive correlation, there is a significantly negative correlation between the open interest and volatility, and liquidity ratio and volatility have no significant correlation

    摘要根據混合分佈假設理論（ mdh ）等前人研究成果，及對中國期貨市場三個主要期貨交易品種銅、鋁和天然膠期貨的日流動性和日波動性的實證研究，可以發現：交易量與波動率有顯著的正相關關系，持倉量與波動率有顯著的負相關關系；而流動性比率與波動性卻並沒有顯著的關系。
  17. But if the discount factors employed by the members are positive correlated with their total incomes in the firm, even if the adjustment of compensation distribution schedule has no impact on the collective productivity of the firm, it can destroy the total value of the firm, and the compensation distribution adjustment ground on the difference among marginal production rates of the members of the firm can create value only when the difference is significant in some level

    但若企業成員所採用的貼現因子與其在企業中所分配得的總收入正相關，則分配方案調整在不影響企業總生產力的情況下已可能損毀企業總價值；即使是依據邊際生產率差異進行的分配調整，也只有在被調整的企業成員間的邊際生產率差異有一定顯著性的情形下，才能創造價值。
  18. In this thesis, the physical properties of a series of na2fepo4f cathode materials synthesized by various routes are instigated and discussed in the light of structural ( xrd ), thermal ( dta ) analyses and particle size distribution. their microstructures were studied by transmission electron microscope ( tem ) and scan electron microscope ( sem ). the electrochemistry property were evaluated with cells containing the synthesized na2fepo4f as positive electrode

    本文將藉助x -射線衍射、掃描電鏡、透射電鏡、差熱分析以及電化學測試等方法，系統研究多種制備法對所合成的鈉離子二次電池正極活性材料氟磷酸亞鐵鈉的微結構以及循環可逆容量、循環伏安性能、交流阻抗譜的影響。
  19. Income distribution, economic growth and positive financial policy

    經濟增長與積極財政政策
  20. Company size is positive correlation with degree of power distribution, and employee quality, technique lever in the industry, top management team size, restriction in the industry and develop degree in the region are all prominent negative correlation with it

    企業規模與集權度顯著正相關；企業成熟度、企業員工素質、行業技術水平、企業高管團隊規模、行業管製程度和地區發展水平都與集權度顯著負相關。
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