極小平均值 的英文怎麼說

中文拼音 [xiǎopíngjūnzhí]
極小平均值 英文
minimum average value
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • 均值 : [數學] mean value
  1. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種(系)配製完全雙列雜交組合20個,通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應,不存在母體效應,並以加性遺傳效應為主,分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高,分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體優勢較大,分別為13 . 3 %和3 . 5 % ,達到了顯著;鈴重的超親優勢為2 . 0 % ,不顯著;衣分為顯著的負( - 2 . 1 % ) .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上,親本相當配製的組合雜合顯性較高,其超親優勢正向顯著,而親本(差異較大)所配組合沒有超過高親的.這表明親本差異、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關,遺傳改良的難度較大
  2. From the second to the fifth chapter such problems concerning state - owned property right are illustrated respectively as its definition, valuation and price fixing and capital sources of undertaking party and the disposal and use of transfer income. problems are raised with regard to the process of current property right system diversity in state - owned enterprises, such as the disagreement to the definition of state - owned property right, no standard of evaluation, imperfection of price fixing system and relative confusion of transfer income disposal and use. what ' s more, new solutions are offered : the probe into state - owned property right definition " changsha model " is confirmed positively ; two specific ways of quantification - - " the method of average growth rate of state - owned property right " and " the method of average cost of labor in market " ; the concept " present value of earnings " is applied to the property evaluation of receivable accounts, finished goods, invisible assets and so on ; the unjust in price fixing of state - owned property right can be avoided by improving property valuation methods, perfecting capital market especially property right trading market and bettering information publishing system ; as to the guarantee problem of human resources financial contribution, an original key is offered

    第一章運用產權理論對國企產權多元化改革進行經濟學分析;第二章至第五章主要圍繞國有產權的界定問題、評估問題、定價問題、承接方的資金來源問題、轉讓收入的處置運用問題分別進行闡述,指出了當前國企產權多元化過程中存在著國有產權界定不統一、評估不規范、定價機制不完善、處置運用相對混亂等諸多問題,並提出新的解決思路:肯定國有產權界定「長沙模式」的積探索意義,提出量化職工創造剩餘價的「國有資產增長率法」和「市場勞動成本法」 ;將「收益現」概念運用到對應收賬款、產成品、無形資產等資產評估之中;應從完善資產評估方法、完善資本市場特別是產權交易市場和健全信息公開機制三個方面來解決國有產權定價不公問題;就人力資本出資的擔保問題提出實際債務承擔額(比例)應於名義出資額(比例)的新思路,並認為人力資本市場上的交易價格應包括絕對出資額和相對出資額兩部分。
  3. 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

    研究了各相粉體粒徑對膜層性能的影響,結果表明:釕酸鉍粒徑越,膜層的方阻,電阻溫度系數偏正,重燒變化率越接近零,球磨工藝的粒徑為0 . 56 m 。
  4. Based on the method of limitation analysis of soil plasticity, researching from the soil arching mechanism of soil - nailing retaining, the upper limit of the critical height of soil - nailing slopes and the minimum horizontal length from coping of the potential slide surface to the edge of deep excavation are obtained through the analysis to weight of soil and vertical loading and the mechanism of soil and soli - nailing acting reciprocally

    摘要基於土的塑性限分析方法,以質土坡為例,從土釘支護結構的準粘聚力理論出發,綜合考慮土體自重、坡頂的條形荷載,以及土釘與土體的相互作用的機理,推導出了土釘支護的臨界高度的上限和潛在螺旋曲線滑動面在坡頂方向距基坑邊沿的最距離解析表達式,可供基抗支護設計參考。
  5. But the comprehensive properties were improved remarkably. with the addition of carbon nanotubes, the polarization of charging process decreased, the plateau of discharge became flatter and the migration of potential of peaks value of cyclic voltemmograms reduced. for the other hand, the exchange current increased, ohm resistance and electrochemical reaction resistance of the electrodes decreased, the diffusion resistance of hydrogen and the resistance of adsorption decreased, too

    摻入碳納米管對儲氫合金電的容量影響較,但其電化學性能卻有較大的改善,主要體現在:充電的化減,放電臺更加穩、循環伏安曲線的峰電位隨掃描速度增大的遷移量減,交換電流密度增大,電的歐姆電阻、電化學反應、擴散電阻和吸附電阻
  6. Accordring to basic concept and assumes essentially on the basic of sweden method of slices, be living below the maximum equilibrium state, the function expression about stability safety homogeneous slop is deduced, and the slope surface is consist of two lines and an arc, afterwards according to analysis theory of minimal value ruling on the basic of the maximum, genetic algorithm is applied to slove the dangerousest slide situation and radius and corresponding safely factor

    根據瑞典圓弧法的基本概念和基本假定,在衡狀態下,推導了兩直線段質斜坡穩定性安全系數函數表達式,然後根據限分析理論的原理,利用遺傳演算法,求出了邊坡穩定性安全系數,並得到最危險滑動面的滑弧半徑和滑弧中心坐標。
  7. After annealing at 600, because of formation of multi - vacancy - type defects that have long positron lifetime, positron annihilation average lifetime increased. when the average positron lifetime increased to maximum value ( 360ps ), the interstitial oxygen concentration decreased to minimum value ( 4 1017atoms / cm3 ). this result suggested that oxygen was involved in the formation of multi - vacancy - type defects

    正電子湮沒技術測試證明,快中子輻照直拉硅中在大約600退火時產生的多空位缺陷具有較長正電子壽命,可以使正電子壽命增加,當樣品的正電子壽命達到最大時( 360ps ) ,其間隙氧含量降到一個( 4 10 ~ ( 17 ) atoms / cm ~ 3 ) ,這說明氧參與了這些缺陷的形成。
  8. It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan

    首先,藉助hilbert空間理論,提出了距離估計的d -解,給出了d -解的必要條件,這個條件在線性函數類里即是二乘估計法, d -解的必要條件滿足的方程實質上將二乘估計法推廣到多函數及非線性函數類。再而,詳細地研究了多元弱穩序列自回歸模型ar ( p )的參數經典的矩的替代估計和大似然估計,獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱穩序列自回歸模型的、白噪聲的協方差陣的大似然估計都有依分佈收斂到多元正態分佈的統計性質。
  9. By driving expressions and using the method in numerical integration, the results of numerical calculations are analyzed, discussed and contrasted with different conditions, and they showed that there are evident differences in the mean attenuation, scattering, and back scattering cross sections of oblate spheroid particles when the variance is so small that it is near to zero namely it is the same as the rotatory axes are parallel with one direction and when h - polarized and v - polarized incident waves happened. these differences are depended on the relative differences in the average orientation of rotatory axes and the polarized directions of incident wave

    通過公式推導和數積分計算並對結果做了討論和分析,對比各種情況表明:扁橢球粒子群在方差很接近為0時,與粒子群旋轉軸一致取向的情況相同,入射波水化和垂直化時的衰減截面、散射截面、後向散射截面有明顯的不同,這決定於旋轉軸取向和入射波化方向的相對差異。
  10. Pbo - b _ 2o _ 3 - sio _ 2 glass reacts with bismuth ruthenate and lead ruthenate is produced as transition layer. the transition layer can make the interface gradually change and the properties of resistors are improved at the same time. based on the study above, the way to get series of pastes was developed

    鉛硼硅玻璃粉體粒徑對厚膜電阻的性能影響有一點,約為1 . 51 m ,在該點處膜層的方阻,電阻溫度系數絕對,重燒變化率最接近零
  11. Silylate - terminated polyurethanes with built - in hydrophilic sites were synthesized. when the polymer is dispersed in water, the silane alkoxy end - groups of the polymer undergo hydrolysis, followed by condensation to form a stable cross - linked aqueous dispersion. tem studies indicated that with more incorporation of hydrophilic sites, the particle size of the dispersion decreased. it was also found that the film property depended on the particle size when the crosslinking density in particels was much higher. the average molecular weight of the elastically effective network chain mc measured by swelling experiments shows fairly good agreement with the theoretical value of mc. it was also found that the cross - linking density of the casting film may increase during the film formation and drying process

    將硅氧烷封端的含親水基團的線性聚氨酯預聚體分散於水中,獲得穩定的聚氨酯分散體.由於硅氧基團水解、縮合,在分散體粒子內產生擴鏈交聯反應,生成了交聯水基聚氨酯分散體.透射電子顯微鏡研究表明分散體粒徑、分佈寬.掃描電子顯微鏡研究了成膜結構及成膜性能與粒徑的關系.溶脹實驗計算獲得的兩交聯點之間的分子量與理論分子量相符.研究還發現此分散體膜在乾燥過程中可進一步交聯.膜的水溶脹及機械性能表明,此分散體具有大的工業應用價
  12. The bistatic average intensity firstly rises wt time to a top point, then it goes down, and the decaying rule is close to the monostatic reverberation intensity ap ) j { jgj : 8kq @ f9tt & z decaying rule, but reverbefation intensity will be closely related to the relative site of the transducers

    收發分置時的混響強度隨時間的變化先是增加,到一個時再隨時間的變化而有規律地減,其衰減規律與收發合置混響強度衰減規律一致,其強弱與接收水聽器所處位置有關。
  13. This paper calculated the maximum mean velocity of wind and correspondences fluctuating wind continuous chart in duration of 100 years using greatest table sequence record in 10 minutes every month ( 3 ~ 5years ) in the basis of service life of the designed bridge and more probability

    本文從實際風速時程記錄開始,利用短期( 3 5年)連續的10分鐘月最大時程記錄,在一定保證率下,按照樣本推算的方法,推算100年一遇的風速以及在此基礎上的脈動風時程。
  14. Secondly, by using the great fem programme, analyzes the mechanism of bearing and deformation of rigid - soften composite piles foundation. draw a conclusion : exist a specific value, when the number of the rigid pile less than it, increase the number of the rigid pile, effect of reducing the settlement of rigid - soften composite piles foundation is distinct, on the contrary, when the number of the rigid pile more than it, increase the number of the rigid pile, effect of reducing the settlement of rigid - soften composite piles foundation is indistinct. finally, analyze and sum up some important design ' s constitutes of the rigid - soften composite piles foundation

    其次,採用有限元計算程序,對剛柔復合樁基進行了三維有限元分析,考察了在不同荷載水下,不同剛柔性樁比例的情況下,復合地基的沉降量、土體的沉降等線和應力等線以及剛性樁和柔性樁樁頂荷載比隨不同基礎荷載水的變化規律,得出了一些具有實際指導意義的結論:當總樁數不變,長樁比例增加到一定程度時,再增加剛性長樁的數量對地基整體沉降幾乎沒有什麼效果;剛柔樁分佈一定,柔性樁實際承載力於其限承載力時,外加荷載的增加,剛性單樁和柔性單樁所承當荷載的比基本不變。
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