evenness 中文意思是什麼

evenness 解釋
光滑度
  1. Study on feeding evenness of shelling flour mill

    虛擬現實技術與農業機械開發研究
  2. 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。
  3. ( 2 ) region is mainly made up of large patches which are distributed collectively. region landscape is mainly made up of the hill grassplot landscape of mountainous region and desertification landscape. ( 3 ) with the enhancement of human beings effect, landscape diversity indexes are declined, landscape evenness indexes are reduced, and landscape fragmentations are intensified

    通過這些指數的分析表明:甘肅省以草地景觀為主,斑塊數較多,大小斑塊間差異較大,斑塊形狀較復雜,自相似程度較低,區域總構形較復雜;區域總構形以大斑塊為主體,呈聚集型分佈,構成景觀主體的是山地丘陵草地景觀和裸地景觀;隨著人類干擾強度增加,景觀多樣性下降,均勻度降低,景觀破碎化程度加深。
  4. 4adjust the plane of the ceiling to achieve the evenness and jointless effect

    4調整天花的平面,使其達到平整無縫的效果。
  5. Community ' s a diversity is measured by simpson diversity index, shannon - wiener diversity index and pielou evenness index. the results show that habitats range in a diminishing sequence of diversity indices from broadleaf forest, broadleaf bush, grassland bush to bamboo forest ; that altitude belts range from 600 - to - 1200 - m belt, under - 600 - m belt to 1200 - to - 1800 - m belt, and no longicorn beetles was found above 1800 m ; months from july, may, june to august, a diversity analysis shows that complicated habitats can hold higher biodiversity

    結果表明,不同生境多樣性指數從高到低的順序是:闊葉林、闊葉灌叢、灌草叢、竹林;不同海拔多樣性指數從高到低的順序是: 600 ? 1200m區間、 600m以下區間、 1200 ? 1800m區間, 1800m以上區間暫未發現天牛科昆蟲;不同月份多樣性指數從高到低的順序是: 7月、 5月、 6月、 8月。
  6. 6 diversity fragmentation and evenness of ecological landscape in fukang increase with more utilization and development. the change of landscape pattern about land utilization is mainly area variation of plantation and wasteland in pluvial fan and alluvial plain, the key influence factors are the dynamic of soil moisture and salinity under the development of water and land resource

    6 、在阜康各景觀帶中,隨人為開發利用程度的增強,景觀多樣性、破碎度和均勻性增加;荒漠綠洲土地利用景觀生態格局的變化,集中體現在位於洪積扇與沖積平原的耕地和荒地面積變動上,關鍵影響因子是水土資源利用下的土壤水鹽動態變化。
  7. Abstract for the foursquare - distribution direct current firing implement, the distributing evenness of its air quantity and powdered coal quantity is very important to the safe and economical operation of power plant boiler

    在電站鍋爐的運行中,對於四角布置的直流燃燒器,其風量和煤粉量分配的均勻性對鍋爐安全和經濟運行有著重要意義。
  8. Tests relating to pavements. evenness tests. part 3 : determination of longitudinal evennes indexes calculated from profilometer data

    路面試驗.滑度試驗.第3部分:通過表面光度儀數據計算縱向平滑度指數
  9. The percentage of density of s. costatum in phytoplankton rised from 58. 7 % in last year to 60. 0 % in this year, which resulted a decline of the diversity index from 1. 91 to 1. 75, and evenness from 0. 47 to 0. 42, indicating that the biodiversity and evenness of phytoplankton community in zhelin bay became worse and worse, and the structure of community retrogressed

    中肋骨條藻在浮游植物總數量的百分比由第一年度的58 . 7上升到本年度的60 . 0 ,導致多樣性指數由1 . 91減小到1 . 75 ,均勻度由0 . 47減小到0 . 42 。這表明,與上一年度相比,柘林灣浮游植物群落的生物多樣性和穩定性進一步降低,群落結構退化。
  10. Detection methods of slub yarn are introduced, it is thought that an exact judge of slub yarn could be detected with capacitance evenness tester, which can be popularized

    摘要介紹了竹節紗的常用測試方法,認為電容式條干儀檢測方法對竹節作出較準確的判斷,此法可加以推廣。
  11. Used for rocking stated length of cotton, wool and spun silk siver or roving, and to measure its evenness

    用於搖取棉、毛、絹等條子和粗紗一定長度,確定其均勻度。
  12. Used for rocking cotton, wool and spun silk yarn into sliver and roving with a certain length in order it measure its evenness

    用於搖取棉、毛、絹等條子和粗紗成一定長度,以測定其均勻度。
  13. Used for rocking cotton, wool and spun silk yarn into sliver and rocing with a certain length in order it measure its evenness

    用於搖取棉、毛、絹等條子和粗紗成一定長度,以測定其均勻度。
  14. 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。
  15. We use the landscape acreage index, landscape fragmentation index, landscape apartness index, landscape diversity index, landscape dominance index, landscape evenness index and landscape shape index, to analyze the characteristics of the changes of landscape based on the landscape structure in 1996 and 2004

    研究過程中主要以1996年和2004年土地利用景觀格局為基礎,採用景觀類型面積指數、景觀破碎度、景觀分離度、景觀多樣性指數、景觀優勢度、景觀均勻度、景觀形狀指數分析區域土地利用景觀格局變化特點。
  16. Used for the test of the coarseness and evenness of coarse yarns

    用於測定棉條、粗紗在短片內的粗細均勻度情況。
  17. Work, good optical function, high dependable, low spoilage, good direction - sense, ware length evenness, good stability, used for every environment

    附加損耗低方向性好波長平坦性好環境穩定性好,適用於各種惡劣環境多種封裝形式可選
  18. The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest

    主要研究以下內容: ( 1 )片斷和連續常綠闊葉林的外貌、結構和物種組成特徵; ( 2 )片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性; ( 3 )片斷和連續常綠闊葉林的科( ? )屬水平的植物區系成分; ( 4 )片斷和連續常綠闊葉林生活型組成; ( 5 )在不同的水平梯度格局上(林外、林緣和林內) ,片斷和連續常綠闊葉林的小氣候要素(光照、溫度、風速、濕度等) ; ( 6 )片斷和連續常綠闊葉林的環境和土壤因子,與群落的物種多樣性之間的關系。實驗結果表明: ( 1 )各片斷森林的外貌特點基本上和連續森林一致。
  19. The t - test result shows that the species diversity index, evenness index and consume biomass are no significant differences between 12 years fore - and aft

    T檢驗結果表明,多樣性指數、均勻性指數的消費生物量, 12年前後的差異不顯著( p 0 。 01 ) 。
  20. Taking the land consolidation project of yizheng city in jiangsu province as an example, patch extension index, fractal dimension, diversity index, evenness index, dominance index, fragmentation index, corridor density, etc wee selected to analyze the characteristics of the landscape pattern before and after the land consolidation with the landscape ecology theory

    摘要運用景觀生態學理論方法,以江蘇省儀征市某土地整理項目為例,選取斑塊伸長指數、分維數、多樣性指數、均勻度指數、優勢度指數、破碎度指數、廊道密度等景觀指標,對項目區整理前後景觀格局特徵進行分析。
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