h-index 中文意思是什麼

h-index 解釋
h指數
  • h : = 【電學】 henry; 【化學】 hydrogen; 【物理學】磁場密度 (intensity of magnetic field) 地磁水平...
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  1. Combining with fragstats software, landscape diversity index ( h ), landscape dominance index ( d ), landscape evenness index ( e ), fractal dimension, landscape contagion index and landscape fragmentation index are calculated. they show : ? grassplot landscape is a primary landscape type in gansu. the numbers of big patch is much more

    以甘肅省為例,基於景觀生態學基礎上,利用arcview和arc / info地理信息系統軟體對甘肅省景觀系統進行分類,結合景觀指標計算軟體fragstats計算出了甘肅省景觀多樣性指數( h ) 、優勢度指數( d ) 、均勻度指數( e ) 、斑塊分維數、聚集度指數以及斑塊的破碎度指數。
  2. The refractive index and the changing behaviour of the a - sic : h films were calculated by using uv - vis - nir spectroscopy interference wave and it was found that the hydrogen content and ir transmittance were decreased with y rays irradiation dose. lt is very interesting that the sp ' c - h bonds were observed by the raman spectra for the first time and expand the application scopes of raman spectroscopy in structure analyse fields

    根據uv ? vis ? nir光譜中的干涉條紋,計算出了y射線輻照下a - sic : h薄膜的折射率及其變化趨勢,並由此得出y射線輻照導致其氫含量變小及紅外透過率變小的結論。有趣的是:還首次用raman光譜觀察到了dlc薄膜中sp ~ 3c - h鍵隨輻照劑量改變的變化規律,擴大了其在結構分析領域中的應用。
  3. In 1996, guo [ 9 ] has further proved that the index of the normalizer of every sylow subgroup of g is an odd number or a prime if and only if g is a soluble group and g = kh, where k and h are the hall subgroups of g, k is a nilptent subgroup which is normal in a 2 ' - nilpotent. in this paper, we shall study the nilpotent length of finite groups whose sylow normalizer indices are of prime powers

    1996年,郭文彬教授沙1證明了一個群g的西洛子群的正規化子的指數為奇數或為一個素數冪當巨僅當g為可解群而且g二尤廳,其中k和h都是群g的hall一子群, k是正規于g的一個2 』一月恤21子群的冪零子群, h是2一冪零群。
  4. Using the net assets per capital, the investment return rate, the t - m model, the h - m model, the single factor evaluating model which consists of the treynor index, the jensen index, the sharpe index and the square m index, we evaluate the performance of the twelve mutual funds. and we come to the following conclusions : ( 1 ) after the modification of the risk factor, our mutual funds in the recent one year outguess the market ; ( 2 ) better performance comes from the aid of the government, the improvement of the investment environment and the hard, smart work of the managers especially in the way of selecting some securities in the capital market. ( 3 ) though we make progress, there are still many problems which prevent the further development of our mutual funds such as the devise of the management fee and the characteristics of different funds, all of them divided into the subjective ones and the objective ones

    通過使用投資基金單位凈資產和投資收益率指標、單因素整體績效評估模型,包括treynor指數、 jensen指數、 sharpe指數和業績的m ~ 2測度以及t - m 、 h - m模型對12隻樣本基金進行實證研究,實證研究表明: ( 1 )經過風險調整后,在最近的一年中,我國證券投資基金的業績總體上優於市場基準組合; ( 2 )基金業績的提高得益於管理層的重視、投資環境的改善和基金經理的經營,而基金經理的良好業績是通過一定的證券選擇來獲得的; ( 3 )已成為證券市場上舉足輕重力量的基金在發展過程中雖然取得了一定的成績但其進一步發展還面臨著許多問題,有主觀存在的諸如管理費率的設定、基金風格方面的問題等等,也有客觀存在的諸如證券市場現階段的不完善等等,所以,我們應該抓住《證券投資基金法》問世帶給基金業發展的契機,大力促進證券投資基金規范發展,採取各種措施做大、做優和做強基金業。
  5. The density with the biodiversity increasing shows " m " model. ( 3 ) the correlation analysis shows : elevation, slope, development stage and biomass are main factors which affect the biodiversity pattern in the research region. the biodiversity of the quercus aliena var. acutesrata community shows the patterns with the elevation and slope affecting : on sunny slope, the species diversity increases with the elevation increasing below the attitude of 1640m and its climax is at this attitude ( the diversity index h = 1. 68 ), upward this point, the diversity index descends slowly. the evenness shows ascend trend with the elevation upward, its climax point at 1800m ( the evenness index jsw = 0. 78 ), then descending after this point

    ( 5 )通過分析,銳齒棟群落生物量與生物多樣性呈現如下關系:在海拔1500一170枷范圍內,銳齒棟群落生物量與物種多樣性之間呈單峰曲線關系;在海拔1700一1900m范圍內,生物量與物種多樣性之間呈不明顯的波動關系;在海拔1900一2100m范圍內,生物量隨物種多樣性的增加而增大,通過對不同高程內生物量與物種多樣性分析發現,隨著海拔的上升,最大生物量對應的物種多樣性略有增加趨勢;在相同海拔和坡向條件下,生物量與物種多樣性之間也呈典型的單峰曲線關系;群落凈生產力與物種多樣性之間總體上也呈單峰曲線關系。
  6. Mainland - backed stocks maintained their decline, with the h - share index falling 5. 36 per cent on the prospect of further economic austerity measures

    市場憂慮內地將推出進一步的宏觀調控措施,導致國企股持續下跌, h股指數下跌百分之5 . 36 。
  7. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時,作者嘗試放鬆指數水平滿足隨機遊走過程的假設,推導出指數水平呈線性趨勢的資產組合選擇模型;此外,作者基於資產不可交易這一假設,提出了b股、 h股和非流通股等情形的資產定價模型,並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。
  8. Most complete wireless weather coverage available : high and low day temperature in celsius or fahrenheit, weather type icon and text, real feel ( rf ) temperature ( what temperature really feels like ), wind direction, gust and speed in mph, km / h or m / s, uv index ( the sun ' s ultraviolet intensity level ), amount of day precipitations in in, cm or mm, pressure, visibility and more

    最完整的無線天氣覆蓋可以利用:攝氏和華氏的溫度高低,天氣類型圖標和描述,實際感覺到的溫度(真正你感覺到的溫度) ,風向,風力和風速,時速或秒速,紫外線指數(太陽紫外線強度等級) ,降雨雪量精確到英寸,厘米,毫米,壓力可見的描述,還要其他的嗎
  9. For a maximal subgroup m of a finite group g the normal index of m is the order of a chief factor h / k where h is minimal in the set of supplements of m in g. in this paper we can obtain some results about solvability and supersolvability by using the normal indexes of maximal subgroups of finite groups

    有限群g的極大子群m的正規指數是指g的主因子h k的階,其中h為m在g中的極小正規補。本文利用正規指數的概念,獲得有限群可解,超可解的若干結果。
  10. Firstly, a ~ ( h ) save some path information for each node as add - ons and build hash index on these information, then a ~ ( h ) use these information to reduce time complexity of all computing above

    該演算法將一些路徑信息作為每個結點的附加信息預先保存起來,並對這些信息建立hash索引。
  11. Hang seng china h - share index fund

    恆生中國h股指數基金
  12. Compared with the reality, it shows that this model and its parameters are defined reasonablly. to analyse the arrangement of drainage system with different spacings and depths, with unsteady flow formula and benefit index, this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field, which can be solved by the method of projected gradient. by this model, we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21. 5 8m, h = l. lm

    論文通過對不同埋深、間距的塑料暗管排水布局的分析,結合非穩定流公式和效益指標,提出了麥田排水暗管布局的二維非線性規劃模型,並利用梯度投影法求解,得出長江下游濱海地區塑料排水暗管埋設的最優方案為埋深h = 1 . 1m ,間距s = 21 . 58m 。
  13. During the process of system reasoning, h / hcs - 017 swath sounder was used for reference. by the procedure of scheme reason of hydro - device, such as performance choosing and parameters rough estimation, device selecting and performance index ' s checking computation, balance between application index and technical index of system, elementary technical scheme and report text are studied out in final. finally, we applied the theory and method in the software, designed in vc6. 0, which can be used for the further improvement of swath sounder aftertime

    在系統論證過程中,借鑒了h hcs - 017型條帶測深儀的系統論證,通過性能的選取及性能參數的估算、設備方案的選擇和使用性能參數指標的驗算、設備使用指標與技術指標的平衡等水聲設備方案論證的程序,最後擬定初步的技術方案和報告文本。
  14. Based on the introduction and analysis of the approach of h ( subscript ) loop shaping, aiming at the problems that the weight functions are chosen by trial and error, and the synthetical performance index of the controller is hard to meet the frequency and time domain performance requirements, an improved weight function selection method is proposed based on engineering design and chaos optimization

    摘要在介紹和分析h (下標)迴路成形基本設計力法的基礎上,針對權重函數選取需要反復迭代、過程繁瑣、所得控制器難以同時滿足時域和頻域性能指標等問題,提出了一種基於工程設計、輔以混沌優化理論的權重函數選取方法。
  15. Abstract : design ideas, technical features and system architectures of advanced process control for polypropelene units were introduced together wit h on - line calculations for the controlled variables such as the yield of polypr opelene, concentration of monomer, hydrogen concentration in liquid phase and the melt flow rate index. attentions in implementation were pointed out

    文摘:介紹聚丙烯裝置先進控制技術的設計思想、技術特點和系統構成,並介紹產率、漿液濃度、液相氫氣濃度、熔體流動指數等被控變量的在線計算,指出了實施中應注意的問題。
  16. H " was calculated using the shannon - wiener formula : h " = ? pi ? pi e was calculated using the pielou ' s evenness index e : e = h ' hmax = h ' ? s the results showed that diversity index on different parent materials varied between 0. 49 to 1. 02, the different parent materials followed the sequence of igneous rock > sedimentary rock > metamorphic rock > unconsolidated material ; the evenness index on different parent materials varied between 0. 27 to 0. 64, the parent materials followed the sequence of igneous rock > sedimentary rock > metamorphic rock > unconsolidated material

    多樣性指數運用shannon指數公式計算,均勻度指數運用pielou指數公式計算。分析結果表明發育于不同母巖上的多樣性指數范圍為0 . 49 1 . 02之間,從高到低依次為火成巖、沉積巖、變質巖和疏鬆物質;土壤均勻度指數范圍為0 . 27 0 . 64之間,從高到低依次為火成巖、沉積巖、變質巖、疏鬆物質。
  17. As concentration of salt solution increased, the vigor index, germination index and the length of shoot and radical gradually decreased. the radicle was sensitive to salt stress and had low tolerance. it can be concluded that p. hendersonii has high salt tolerance, h. strobilaceum has low salt tolerance

    隨著鹽溶液濃度的升高,大葉白麻和鹽節木種子的活力指數和發芽指數下降,幼芽和幼根的長度逐漸變短,幼根對鹽分脅迫敏感,忍耐力不強。
  18. Choosing hanzhong region as investigating region, the species of acridoidae as object, by the means of systematic research, location research, seasonal research and full - scale research, the student studied the biodiversity of acridoidae in hanzhong according to the results of analysis and clustering by use of software tools such as excel and spss on the biodiversity indexes including species richness index ( ds ), shannon - wiener index ( h " ), simpson index ( a. ) and pie index, and pielou index ( e )

    本研究以漢中地區為研究范圍,以蝗總科acridoidae昆蟲對象,通過系統調查、定點調查、季節調查和全面普查等為研究手段,應用excel電子表格和spss等工具軟體對調查數據進行聚類和分析,選擇物種豐富度指數、 shannon ? wiener信息多樣性指數( h 』 ) 、 simpson優勢度指數( ) 、 pielou均勻度指數( e ) 、種間相遇機率( pie )和物種多度等多樣性研究指標研究了漢中地區蝗總科生物多樣性。
  19. H - shares index futures h

    股指數期貨
  20. H - shares index and additional derivatives market data now available on hkex website

    香港交易所網站提供h股指數及更多衍生產品市場資料
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