生態年齡 的英文怎麼說

中文拼音 [shēngtàiniánlíng]
生態年齡 英文
ecologic age
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 年 : Ⅰ名詞1 （時間單位） year 2 （元旦或春節） new year 3 （歲數; 年紀） age 4 （一生中按年齡劃分的階...
  • 齡 : 名1. （歲數） age; years 2. （年限） length of time; duration 3. （某些生物體發育過程中不同的階段） instar
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  2. So, population reproduction is not steady, and the get to the permanent steady quiescence need a long time. from the age structure, it also shows that during these twenties years, hetian belong to the intergraded reproduction of high birthrate, low death rate and high growth rate

    同樣，年齡構成指標從靜態和動態角度出發也反映出和田在近20年前後是屬于高出生、低死亡、高增長的過渡階段的人口再生產類型，年齡結構較為年輕。
  3. Mr. weston was a man of unexceptionable character, easy fortune, suitable age, and pleasant manners.

    魏斯吞先生有無可非議的品德、富裕的家產、合適的年齡和愉快的態度。
  4. Stage structure ecological models i. e is considered. it is a two - species system, where the both species have two stages. immature and mature. and the mature species arc aquated

    為了能真實的反映這種生理現象，在建立生態模型時常將種群按其生理特徵分成幼年和成年兩個階段，即年齡階段結構模型。
  5. Ten risk factors for survival were analysed by multiple logistic regression analysis in this study : patient ' s age, smoking or not, degree of amputation, mechanical type of injury, amputated level, number of venous anastomosis, number of arterial anastomosis, using vessel graft for artery or not, using vein graft for vein or not, and ischemia time

    我們利用多變項的羅吉斯回歸分析法來分析年齡、有無吸煙、斷指的嚴重程度、斷指的傷害型態、斷指的發生部位、動脈的吻合數目、靜脈的吻合數目、有無使用血管植瓣、缺血時間等危險因子對存活率的影響。
  6. Abstract : the restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task

    文摘:本文對兩期遙感圖像進行解譯，並在gis支持下提取露水河林業局主要河流兩岸各緩沖區森林資源信息，經分析得到各類地物在1985年及1999年的變化趨勢.結果表明:在河流沿岸對森林的採伐強度1999年較1985年明顯減小，整體生態環境較1985年有所改善.在緩沖區1 ， 2 ， 3除中齡針葉林大幅度增加外，其它地物類型面積均減少，由此可以看出，在這三個緩沖區內針葉林得到了較好的恢復.在緩沖區4內，中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊，有利於森林生態系統的穩定與功能的發揮，十五年間緩沖區4受到的干擾相對較小.濕地數量在四個緩沖區內均有所減少，雖然在緩沖區4內森林生態系統恢復的較好，但濕地面積仍有所減少，說明保護及恢復濕地資源是一件非常艱巨的任務，必須引起高度重視.圖5表2參12
  7. The restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task

    本文對兩期遙感圖像進行解譯，並在gis支持下提取露水河林業局主要河流兩岸各緩沖區森林資源信息，經分析得到各類地物在1985年及1999年的變化趨勢.結果表明:在河流沿岸對森林的採伐強度1999年較1985年明顯減小，整體生態環境較1985年有所改善.在緩沖區1 ， 2 ， 3除中齡針葉林大幅度增加外，其它地物類型面積均減少，由此可以看出，在這三個緩沖區內針葉林得到了較好的恢復.在緩沖區4內，中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊，有利於森林生態系統的穩定與功能的發揮，十五年間緩沖區4受到的干擾相對較小.濕地數量在四個緩沖區內均有所減少，雖然在緩沖區4內森林生態系統恢復的較好，但濕地面積仍有所減少，說明保護及恢復濕地資源是一件非常艱巨的任務，必須引起高度重視.圖5表2參12
  8. Model of ecology birth - death process with age structure

    帶年齡結構的生態生滅過程模型
  9. Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession

    對縉雲山森林植被的4個優勢種群3個年齡級生態位寬度進行了研究.結果表明，川灰木利用資源的能力最強、分佈廣，為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化，分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展，導致環境的改變不適于其幼齡個體的生長，群落演替到針闊葉混交林階段，最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力，是種群分佈與群落演替的內在原因，光因子和營養元素（如n ）是群落演替的主要外部動力
  10. The commonly used detecting and evaluating techniques include the drowsy driver detection system, the steering attentio n monitor, the road alert system and the psychomotor vigilance tester, etc. fatigue driving is a serious problem that leads to thousands of vehicle crashes each year. the drowsiness and fatigue may play an important role in traffic crashes. of the drowsiness - detection measures and technologies evaluated in this study, the measure referred to as " perclos " is found to be the most reliable and valid determination of a drivers alertness level

    機動車駕駛員駕駛疲勞特指駕駛員在連續行車后所產生的生理和心理機能以及駕駛操作效能下降的現象，也就是正常的機動車駕駛員（年齡20歲至60歲，身體狀況良好，有一年以上道路駕駛經驗）由於身體狀況、精神狀態、連續駕駛時間過長等原因造成的不能對意外情況做出及時正確的反應並正常操作控制機動車輛的身體狀態。
  11. On the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  12. Abstract : on the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    文摘:在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  13. In our experiments, the morphological alterations of testis microvascular architecture, enos distribution and blood - testis barrier at different ages had been observed by microvascular corrosion casting technique, sem, tem, immunohistochemical method and morphometry. these results were not only theoretically important but also practically valuable in physiology, pathology, aging biology, morphology and so on

    本文採用血管鑄型、掃描電鏡、透射電鏡、免疫組化及體視學分析等方法對不同年齡大鼠睪丸微血管構築、 enos分佈及血睪屏障的變化進行了系統的研究，以期為睪丸生理、病理學、老年生物學和臨床應用提供理論、形態學及動物實驗方面的依據。
  14. Morphic features of the growth spurting adolescent of different developing types

    青春發育突增期高峰年齡不同發育學生形態特徵
  15. Woman was more ease to sub - healthy status compared man. the older and the more work, the more people to sub - healthy status. smoking, alcoholism and shortfall exercise will raise the incidence rate of sub - healthy status

    女性亞健康狀態發生率高於男性，隨年齡增大、工作量增加亞健康狀態發生率增高，吸煙、酗酒與缺乏體育鍛煉會增高亞健康狀態的發生。
  16. There have significant difference between different age, antecedents, grade, lessons in a week, p < 0. 05 ; smoking, alcoholism and shortfall exercise will raise the incidence rate of sub - healthy status, p < 0. 05

    05 ；不同年齡、文化程度、任教年級、周課時數的教師亞健康狀杏發生率有顯著差異， p 0 05 ；吸煙、酗酒與缺乏體育鍛煉會增高亞勝龐狀態的發生， p 0
  17. There have been a mass of research documents showing that many visual functions deteriorate with age both for human beings and for animals. age - related visual function decline could not be completely attributed to optical and retinal changes. considerable visual impairments in the old might result from morphological ( such as cell loss, dendritic change and synaptic density decrease ) or functional ( such as weakened gaba inhibition ) degeneration of visual pathways. in this article we made preliminary studies on the mechnisam underlying visual function degradation by electrophysiological and morphological methods

    隨著年齡的增長，人及動物的許多視覺功能出現衰退，老年性視覺能力降低並非完全由眼的光學因素和視網膜形態、功能變化導致，不少方面可能決定於衰老引起的視覺中樞結構（如神經元丟失、樹突野改變及突觸密度下降等）和生理功能（如皮層內gaba能抑制作用減弱等）的改變。
  18. The stability of the equilibrium in a lotka - volterra competition models with stage structure and distributed maturation delays is concerned

    摘要主要考察了具有年齡結構和分佈時滯的競爭生態模型平衡解的穩定性，以及連接兩個邊界平衡解的行波解的存在性。
  19. At the same time, the age structure, time - specific life table, survivorship curve, fecundity schedule and leslie matrix were obtained through ana1ysing the demography and age struct ' ures of each subpopulation

    對種群年齡結構研究中，編制了種群靜態生命表、生殖力表，利用建立的矩陣模型預測了種群數量的動態趨勢，並進行了環境篩的分析，推斷了種群致危因素。
  20. Analysis has been done on the human behaviour and reaction duration of the investigated persons inside the buildings with different ages, different gender, different educated level, different fire experiences, different location inside buildings, different activities, different health conditions and different approaches of fire alarm. three highest distribution values of the first human behavior were concluded about fire reporting, fire identifying and fire warning to others. this paper have first obtained the range of reaction duration and the characteristics of frequency distribution under different situations of the investigated persons inside the buildings in china

    在總結前人對人的火災行為研究經驗的基礎上，本文首次對陜西、山西、河南三省的169起建築火災逃生行為進行了問卷調查，對回收到的274份問卷的個人信息、環境信息、火災行為反應信息進行了頻率分佈統計；分析了不同年齡、不同性別、不同受教育水平、不同火災經驗、在建築物內的不同位置、不同活動狀態、不同身體狀況、不同獲悉火警信息途徑的調查對象的第?行為反應及反應時間；得出了報警求助、查證火災信息、通知他人火災信息等三個最高的火災第一行為反應分佈值；得到了建築火災中調查對象第一行為反應的時間范圍及不同條件下的分佈特徵。
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