community structure 中文意思是什麼

community structure 解釋
居住區組成
  • community : n. 1. 村社；社會，集體；鄉鎮，村落；【生物學】群落，群社。2. 共有，共用；共同體，共同組織；聯營（機構）。3. 共（通）性；一致（性）；類似性。
  • structure : n. 1. 構造，結構；組織；石理，石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】（直接經驗中顯現的）結構性，整體性；整體結構。adj. -d ,-less adj.
  1. Moreover, the presence of the activities of aerobes and anaerobes in the immobilized sludge is further conformed by specific activity experiments in aerobic and anaerobic conditions, and the microorganism community structure of the co - immobilized granular sludge in micro - aeration condition is also deduced

    厭氧好氧活性實驗也進一步證實了固定化顆粒污泥中厭氧、好氧菌活性的存在，並進一步推導出了微氧條件下氯酚固定化顆粒污泥的菌群結構。
  2. The course covers productivity and biogeochemical cycles in ecosystems, trophic dynamics, community structure and stability, competition and predation, evolution and natural selection, population growth and physiological ecology

    課程包含生態系之生產力與生物地質化學循環、營養動力學、群落結構與穩定性、競爭與捕食、演化與天擇、族群成長，及生理生態學。
  3. Community structure of ciliates in the cage fish culture farm of liujiaxia reservoir in spring

    劉家峽水庫網箱養魚場春季纖毛蟲群落結構
  4. Studies on community structure of ciliates from activated sludge in yanerwan sewage plant in spring

    採用常壓柱層析及薄層層析從大花翠雀
  5. Changes in community structure and function changes are a function of changes in geomorphic, physical and biotic variables

    Rcc宣稱生物群落最大限度利用自然河流中的能量和資源，物理因素的變化將導致群落結構的變化。
  6. Community structure of soil macro - invertebrate in greenbelt habitat in shanghai

    上海城市綠地生境中春季大型土壤動物群落結構研究
  7. Lindane ddt deltamethrin and carbofuran to exert a certain influence to soil nematode density, nematode community structure in being cultivated in a pot and experimental, but not a decisive factor

    林丹、 ddt 、溴氰菊酯和呋喃丹對模擬實驗中的土壤線蟲密度、線蟲群落結構產生一定影響，但不是決定因素。
  8. Studies on community structure, dynamics of insect and predacious arthropod in corn field

    玉米地昆蟲及捕食性節肢動物群落結構及動態研究
  9. The diversity, community structure, and species composition of springtails in the soil reflect the status of soil quality and contamination

    土壤中跳蟲的多樣性以及群落結構、物種組成都反映了土壤的質量和污染狀況。
  10. The intergration and stratification of village community structure in modern shandong

    近代山東村落社區結構的整合與分化
  11. Soil microbial biomass and viable population size ( plant counts ) were negatively affected by the elevated metal levels, but the size of soil basal respiration rate and microbial metabolic quotients were positively influenced by the increasing heavy metal pollution levels. microbial community structure also changed with increasing contamination, as indicated by biolog data and principal component analysis of biolog community metabolic profiles. soil microbial metabolic profiles ( awcd ) values, community richness and diversity index in mine - soils decreased remarkably as compared

    相關分析結果表明，土壤重金屬含量和土壤基礎呼吸、微生物量cfn 、代謝剖面（ awcd ） 、微生物商（ cmic / corg ） 、代謝商（ qc02 ）與人工栽培的香根草植物地上部分呈顯著或極顯著正相關（卜0 . 6653飛0 . 8945 」 ） ;微生物量c 、微生物量n 、生化作用強度、酶活性、群落shannon指數（ h ）和微生物群落豐富度（ s ）與人工栽培的香根草植物地上部分生物量呈顯著或極顯著地負相關（ r =一。
  12. Capacity evaluation of different media for isolating predominant phenol - degrading bacteria from activated sludge with community structure - specific dna probes

    微生物群落結構探針雜交評價不同培養基從活性污泥分離優勢菌群的能力
  13. The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor, gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity. the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion. according to investigation, surface erosion area occupies 80 % or so or erosion area, in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area

    研究結果主要包括： （ 1 ）巫溪縣生態退化特徵表現：作為生物生長基質的部分土壤薄而貧瘠，保水保肥能力差，部分地區基巖裸露，土壤的不斷退化導致植物種多樣性減少，植物種群結構逐步由復雜趨向簡單化；縣內水土流失的類型主要包括面蝕和溝蝕兩大類，據調查，面蝕面積占侵蝕總面積的80左右，其中坡耕地面蝕佔耕地侵蝕面積的70左右。
  14. The vegetation types are described of baishanzu national nature reserve in qingyuan county, zhejiang province. the surveyed area covered25thousand hm 2 in which27sample plots with20m 20m each were selected. based on the importance value of plant species, six vegetation types were devided, viz. evergreen broadleaved forest, evergreen and deciduous broadleaved mixed forest, coniferous and broadleaved mixed forest, coniferous forest, mountain dwarf forest, and mountain shrub and herbosa. floristic composition, community structure, and trend of community succession of each vegetation type are described

    對近20年來多次調查的資料進行系統整理，將百山祖植被主要劃分成6個植被類型:常綠闊葉林、常綠落葉闊葉混交林、針闊葉混交林、針葉林、山地矮林和山地灌草叢，其下可分為22個群系;同時對群落的種類組成、結構和演替趨勢作了概述。
  15. Community structure of rodents in foping nature reserve

    陜西佛坪自然保護區嚙齒動物群落結構研究
  16. 21 tyler j r, wilkinson d m, huberman b a. email as spectroscopy : automated discovery of community structure within organizations. in it proc

    本文演算法的時間復雜性為o n2 ，實驗表明在處理動態網路的時間效率上優于經典的gn和其改進演算法。
  17. The national academy of science, 2002, 99 : 7821 - 7826. 16 tyler j r, wilkinson d m, huberman b a. email as spectroscopy : automated discovery of community structure within organizations. in proc

    該演算法時間復雜性為o n2的主要不足是需要一定的先驗知識例如共體數目和每個共體的粗略大小，而這些先驗知識事先難于獲取，尤其當我們面對未知的符號網路。
  18. This paper selected the middle part of taihang mountain as study area. the species diversity, interspecific association and correlation, and niche breadth and niche overlap were studied. the community types, community structure, ecological relationships between species diversity and community types, environmental variables were analyzed in details

    本文以太行山中段植被為研究對象，從植物群落的物種多樣性、種間關系及群落優勢種的生態位寬度和生態位重疊三個方面深入探討和研究了該地區群落類型、結構、生態及分佈格局，群落多樣性與群落類型、生境、群落結構之間的關系，以及主要優勢種的種間關系。
  19. The community structure, dynamics of pest and predacous arthropod in a banana field

    香蕉園害蟲和捕食性節肢動物群落結構及動態研究
  20. Community structure and its dynamics of pest, predatory and neutral insects ina jujube ecosystem

    捕食性和中性昆蟲群落結構及動態研究
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