size effect 中文意思是什麼

size effect 解釋
尺寸效應
  • 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...
  • effect : n 1 結果。2 效能，效果，效力，效應，作用，功效；影響。3 感觸，印象；外觀，現象。4 旨趣，意義。5 ...
  1. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑，通過控制反應物的濃度及比例，制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒，光譜測試結果表明，顆粒具有明顯的量子尺寸效應，適當過量的cd ~ （ 2 + ）離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能；採用檸檬酸鈉還原氯金酸，制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒；採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  2. By using serial correlation test and cross - section test through the data of the share companies that were listed in shanghai stock exchange before 16th oct 1998, the size effects in china stock market was tested in the period from 16th oct 1998 to 26th oct 2001. all the share companies which in total 373 were grouped into 11 according to four different criterions. these four different criterions were total circulating captal stocks, total circulating market value, total capital stocks, total value of a share company. through the correlation test between the abnormal return rate and the size of the group, no size effect was found through the size criterion of the total value and the total circulating value except only one period

    運用序列相關性我國股票市場的小公司效應進行實證檢驗，所採用的樣本是在1998年10月16日以前掛牌上市的373家上市公司從1998年10月16日到2001年10月26日，共150周的交易數據。對公司進行以規模大小分組時，分別採用了流通市值、流通股本、總市值和總股本四種不同的標準進行投資超額收益率規模相關性分析，發現以總市值和流通市值為規模標準的實證結果除個別時期內存在著小公司效應外，其它時期並不存在小公司效應，而以總股本和流通股本為標準的小公司效應最為明顯；另外，小公司效應在統計區間內表現出時段性。
  3. Size effect on the dynamic characteristic of a micro beam based on cosserat theory

    理論的微梁振動特性的尺度效應
  4. The results show that the composites were more wear resistant than the matrix, contributing to the " volume effect " and " size effect ", the wear resistance increases with the particle content and size. the composite shows better wear resistance than high chromium cast iron material especially in low load and fine abrasive test condition. the results also indicate that the composite strengthened by ageing treatment was more wear resistant than as - cast composite

    磨損試驗結果表明，鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料具有比較高的抗磨料磨損能力，而且其耐磨性隨著鑄造碳化鎢顆粒體積分數及尺寸的增大而提高，表現出了強烈的「體積效應」及「尺寸效應」 ，尤其是在低載荷、細磨料磨損條件下，復合材料表現出更好的而寸磨性，即使與高鉻鑄鐵（ cr28 ）相比也有很大程度的提高。
  5. The size effect in steel is attributed mainly to the grain size of the material.

    鋼內的尺寸效應主要認為是由於材料的晶粒尺寸造成的。
  6. Size effect and momentum effect is the hot debate issue of china stock market

    規模效應和動量效應一直是中國股票市場上爭論的熱點。
  7. This paper includes five parts. the first is to review the study on the subject ; the second is to discuss the characteristic of chian ' s stock market. the change of money - admitted policy and the questions on the study. the third is to verify the size effect in china ' s stock market by using correlation test and regression test on the bases of four different criterions, each criterion will be applied with two time - series methods. the fourth is to summary the main character of four different criterions, and apply joint test to the criterions that were proved the best concerning the size effect. the illiquidity risk was introduced to the study, the indexes of turn - over rate and the fluctuation of turn - over were used here. however, other factors that may influence the invest return rate as circulating rate and size were also included. according to the result, the size effect will be interpreted. the fifth is to summary the size effect and its explaination, and then to provide some useful invest strategies based on the conc lusion above

    論文分五部分，第一部分對小公司效應的有關研究文獻進行回顧;第二部分我國股票市場的狀況、資金供給政策的變化和我國股票市場實證的相關問題進行論述;第三部分對我國股票市場的小公司效應按照四種不同的規模標準分類，每一種標準均分兩種不同的統計周期分段標準進行實證分析;第四部分小結不同的規模分類、不同統計周期分段的統計結果特徵，然後對小公司效應最明顯的規模分類標準進行多因子聯合回歸分析，這里引入了流動性風險因素，其用換手率和換手率波動指標來衡量，還分別引入了其它影響投資收益率的因子，分別是規模、流通比例。
  8. " size effect " in stock market means that small cap firms have higher income - rate than large cap firms

    規模效應是以股票市值為衡量標準的公司規模的大小和該股票的市場收益率之間呈相反的關系。
  9. The results also indicate that by taking particle size effect into consideration, the theoretical values of optical constants of the cermet films are more consistent with experimental values. at last we discuss the discrepancy between the theoretical results and the experimental results, and the factors that cause the discrepancy are analyzed as well

    但是我們又發現對納米金屬陶瓷薄膜材料的光學常數的計算，考慮尺寸效應和極化因子修正後的值與實驗結果之間仍存在一定的差異，文章最後我們分析討論了產生這些差異的原因。
  10. Study on size effect of melting temperature of pb nanowires

    鉛納米線熔化溫度的尺寸效應研究
  11. Cell - size effect on mechanical property of aluminum foams

    泡沫金屬材料的孔徑效應
  12. The size effect of nanoscale nickel powder

    納米鎳粉的尺寸效應
  13. In this article, four basic properties of nanometer particle are summarized : quantum size effect, surface effect, volume effect, macroscopical quantum tunnel effect, and several ways of preparation and evaluation of nanometer particle are introduced

    摘要綜述了納米微粒的四個基本特性：量子尺寸效應、表面效應、體積效應及宏觀量子隧道效應，並介紹了納米微粒的制備方法及對納米微粒評估的方法。
  14. Studies on size effect of concrete fracture toughness

    混凝土斷裂韌度尺寸效應探討
  15. Size effect of fractal fracture toughness of concrete material

    混凝土材料斷裂韌度分形尺寸效應
  16. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論，運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算，獲得樁端承載力與樁長（埋置深度） 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系，並採用數理統計方法，對81組ansys模擬試驗結果數據進行回歸分析，得到有限元法確定樁端極限承載力的回歸公式，並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析，得到大直徑樁端阻的尺寸效應系數計算公式。
  17. Its band gap is 2. 42ev at room temperature. cds nanoparticles show significant quantum - size effect when their sizes are smaller than 6nm

    當cds粒子的粒徑小於其激子的玻爾半徑（ 6nm ）時，它能夠呈現出明顯的量子尺寸效應。
  18. Ring size effect

    環大小效應
  19. Cdso. iseo. 9 nanocrystals exhibited the excellent resonant and non - resonant third - order optical nonlinearties from electroabsorption spectra. quantum size effect was also observed

    對納晶電調制吸收光譜的測試，納晶表現出很好的共振和非共振三階光學非線性性能及量子尺寸效應。
  20. 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
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