食物動態 的英文怎麼說

中文拼音 [shídòngtài]
食物動態 英文
trophic-dynamic
  • : 食名詞(用於人名) a word used in person's name
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • : 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
  • 食物 : food; eatables; edibles; aliment; eating; eat; meat; bait; gear; vivers; nosh; provend; 代用食物 ...
  1. Motivated by this observation, this paper studies the problem of efficiently processing k nn k - ge 1 search on r - tree - like structures storing historical information about moving object trajectories. two algorithms are developed based on best - first traversal paradigm, called bfp k nn and bft k nn, which handle the k nn retrieval with respect to the static query point and the moving query trajectory, respectively. both algorithms minimize the number of node access, that is, they perform a single access only to those qualifying nodes that may contain the final result

    例如,若已知的軌跡,則學家可能提出如下兩種查詢: i在時間區間ti , tj內找到離一個給定的靜點譬如源實驗室等最近的k條軌跡ii在時間區間ti , tj內找到離一條預先指定的軌跡最近的k條軌跡。
  2. We constructed fences using 2 x 2 x 2 factorial design to examine the effect patterns of food availability, predation and interspecific competition on population dynamics and spatial behavior of reed voles, microtusfortis. we expected to test two hypothesises : ( 1 ) availability of high quality food, predation and interspecific competition have independent and addictive effects on population system dynamics for small mammalia herbivore ; ( 2 ) availabiliry of high quality food could reduce home range and aggressive behavior level between individuals of microtine, predation and interspecific competition have independent effects on spatial behavior of microtine

    以2 2 2析因實驗設計,在野外圍欄條件下,探討可利用性、捕及種間競爭對沼澤田鼠( microtusfortis )種群及空間行為的作用,旨在檢驗下述特定假設: ( 1 )高質量的可利用性、捕及種間競爭對植性小哺乳種群系統具有獨立的和累加的效應; ( 2 )高質量的可利用性可降低田鼠個體間的攻擊行為水平,並導致其巢區減小;捕與種間競爭對田鼠的空間行為亦有獨立的作用。
  3. This note studies two - species metapopulations dynamics com mon model considering of the affect of interspecific interaction to colonization and extinction rate and rescue effect, demostrates the conditions of two specie s capable of coexistence in the competitor, predator - prey or mutualist system

    在考慮種間相互作用對定居率和絕滅率的影響以及逃避效應的基礎上建立了兩種相互作用的異質種群的一般模型,通過模型分析說明了競爭、捕和互惠共生系統中兩種能夠共存的條件
  4. Studies on community structure, dynamics of insect and predacious arthropod in corn field

    玉米地昆蟲及捕性節肢群落結構及研究
  5. Recent studies have focused on rehydration on recovery from prolonged exercise, consumption of glycemic index meal on exercise performance, and whole body energy metabolism and thermoregulation during exercise

    實驗室近期的研究主要集中在血糖指數對運能力的影響、運中機體的能量代謝和體溫調節、以及學童肥胖與靜生活等方面。
  6. For each fedding treatment, the longitude and latitude of the root egg, the number of egg chambers with each developmental grade all changed in a parabola model. the results from native page indicated that there were two specific protein i. e. vitellogenin ( vg ) or vitellin ( vn ) in the female wasp of n. vitripennis

    同一種餵處理中,卵巢長度的時間幾乎都無變化; 1級卵子數、 2級卵子數和成熟卵子數的變化,是拋線變化趨勢,即先增加,然後減少;基部卵子短徑和長徑也是拋線變化趨勢。
  7. The theoretical analysis shows that any human activities, responsible for the changes of rock, air, water, soil and biology inside or outside the caves, will influence inevitably cave animals in terms of such levels as molecule, cell organelle, cell, tissue, organ, system, individual, population, society and ecosystem. these effects can be observed on cave animal ' s shape - building, activity, tissue structure, metabolism, space - time distribution, biothythm, structure of population and society, food chain, bio - relation, diversity of population and society, and function of the above - mentioned levels

    理論分析表明,凡是能夠引起地表和洞穴巖石、空氣、水、土壤、生等變化的一切人類活都不可避免地使洞穴在分子、細胞器、細胞、組織、器官、系統、個體、種群、群落和生系統各級層次上產生效應,這些效應具體表現在影響洞穴建成、行為、組織結構、新陳代謝、時空分佈、生節律、種群和群落結構、鏈結構、生關系、種群和群落多樣性以及各層次所表現的功能的多少、快慢、強弱等方面。
  8. Especially in the north slope, the broad - leaved wood of red pine, the animal ( insect ), plant ( tall tree, shrub, herb ) and the tree grows plentiful. the living creature is numerous, and the complete vegetative chain of formation is with the food net, provided the proper and living space for the animal ( insect ) and plant ( tall tree, shrub, herb )

    長白山作為我國北方溫帶地區最高的山峰,保存了最為典型和完整的森林生系統,特別是在長白山北坡的紅松闊葉林帶,樹種豐富,生繁多,形成完整的鏈和網,對生活于其中的(昆蟲) 、植(喬木、灌木、草本)提供了適宜的生活空間。
  9. Moreover, under those conditions, the global stability of the positive equilibrium is proved for the two models without delays. iii ) the asymptotic behaviour of the chemostat model with predator - prey populations and delays is studied

    三、研究了單營養鏈的恆化器模型的漸近性,利用波引理給出了邊界平衡點全局吸引性的充分條件。
  10. This study run through the basic idea of ecoregional approach methodology and systematic design by integrating agronomy, ecology, environmental economics, resource economics and maths. the study methods included macro - and micro - analysis, qualitative and quantitative analysis, theoretical and case study, statistical analysis and model simulation and so on. resources shortage and environmental pollution casued by intensive agriculture were examined for a specific suburban area shunyi district beijingissues were systematically analyzed including landuse changes, landuse driving force, water - limited yield simulation with wofost model, ecological, environmental and economical analysis of landuse, as well as optimizing pattern of landuse with rcsadss model

    本研究立足於生區域法的基本思路,採用系統設計的思想,通過農學、生學、環境經濟學、資源經濟學、數學等多學科的交叉與融合,宏觀與微觀、定性與定量、理論與實證研究等相結合的方法,運用統計分析、模型模擬等技術手段,在大量調研基礎上,針對目前大城市郊區農業用地中存在資源短缺、環境污染等問題,以北京市順義區為典例,從土地利用現狀與、驅力、 wofost模型產量模擬、生環境經濟分析及種植業結構優化模式等方面進行了系統研究,獲得如下研究結果: ( 1 ) 2002年順義區的土地利用仍以農業用地為主,耕地、園地、林地和牧草地之和占總土地面積的56 ,農用地中糧仍佔43 。
  11. In the summer stratified water column, the deeper the maximum depth of food distribution is, the stronger the dvm is performed ; the increase of the gradient of temperature in the thermocline layer can decrease the magnitude of the dvm and form the thermal barricade to the copepod ; the effects of the predation pressure on dvm is complex. on the one hand, the variations in the distribution depth of the predation pressure vs. the thermocline layer or the depth of the maximum food can modify the dvm patterns of the copepod. on the other hand, different predation pressure induces different dvm patterns

    在夏季分層水體中,的最大分佈深度越大,向下遷移的幅度也越大;溫躍層的溫度梯度增大可以減小遷移的幅度,成為橈足類垂直遷移的溫度屏障;捕壓力對垂直遷移的影響較復雜,一方面,捕壓力的分佈深度與溫躍層或峰值的相對位置的變化能夠改變橈足類垂直遷移的模式,另一方面,捕壓力強度不同,橈足類垂直遷移的幅度也不同,捕壓力越大,遷移的幅度越大,當捕壓力增加到一定程度,橈足類停止向上的遷移,大部分時間呆在水體深層,可能進入捕壓力引起的「滯育」狀
  12. The community structure, dynamics of pest and predacous arthropod in a banana field

    香蕉園害蟲和捕性節肢群落結構及研究
  13. Community structure and its dynamics of predatory arthropod in jujube orchards intercropped with different herbage species

    間種牧草棗林捕性節肢群落結構的
  14. This paper stuffed with twelve important grain and vegetable crops, studied the injury symptom, dose reaction, injury threshold value and influential factor of main pollutant so2 on various plants, tested the dynamic transformation of pod, cat, mda, soluble protein, free pro and chlorophyll of resistant plant and sensitive of these physiological biochemical transformation with plant resistant ability. meanwhile, simply studied the protective role of the five compounds on plant. the result indicated the followings

    本實驗以12種重要的糧和蔬菜作為研究對象,研究了主要大氣污染二氧化硫( so _ 2 )對不同植的傷害癥狀、劑量反應、傷害閾值以及影響因素,測定了抗性和敏感植在受到so _ 2污染后植體內過氧化酶( pod ) 、過氧化氫酶( cat ) 、丙二醛( mda ) 、可溶性蛋白質、游離脯氨酸和葉綠素的變化,並分析了這些生理生化變化和植抗性的相互關系,同時還對5種化合溶液對植的保護作用進行了初步研究,結果表明: 1
  15. In summary, the exotic species can affect native bird species in four main ways, 1 ) predation of birds or eggs by the exotic mammals ; 2 ) competition for habitats and foods with exotic birds, and loss of genetic diversity by hybridization with the closely - related exotic species ; 3 ) direct and indirect alterations of native habitats and food resources, and predation by the exotic invertebrates ; and 4 ) loss and fragmentation of habitats for native birds through altering species composition and structure of native plant communities by exotic plants

    外來生對鳥類的影響主要表現在以下幾方面: ( 1 )外來哺乳對成鳥、幼鳥或鳥卵的捕作用; ( 2 )外來鳥類與本地鳥類競爭棲息地和資源,與當地的近緣種雜交而造成基因流失; ( 3 )外來無脊椎改變本地鳥類的棲息環境和狀況,甚至直接捕本地鳥類; ( 4 )外來植入侵改變入侵地的植群落組成和結構,造成本地鳥類的棲息地喪失或破碎化,並通過改變入侵地生系統的鏈結構而對高營養級的鳥類產生影響。
  16. 6. the biodiversity of phytoplankton had risen slightly since 1990 ' s, but the biodiversity of zooplankton, as a key link in the food chain, had been falling in the same time

    膠州灣的浮游植多樣性指數雖然自90年代以來處于上升趨勢,但作為鏈中重要環節的浮遊的多樣性指數卻處于持續下降狀
  17. The minshan mountains black bears " population viability analysis ( pva ) has been carried out. the vertex software is used to simulate on population dynamics with the kind without inbreeding and inbreeding cause death same price coefficient is 3. 14, food poor harvest and human - caught as disaster change factors based on the already various parameters collected

    在已收集的各項參數和環境資料的基礎上,以岷山山系內各縣所轄區域作為研究區域,運用vertex軟體,對沒有近親繁殖和近親繁殖致死等價系數為3 . 14 、欠收和人類誘捕為災變因子等影響下的種群進行了模擬。
  18. In accordance with archaeological discoveries of ba culture in three gorges region, and analyses about these material, some points on ba minority ' s living customs can be drawn that they lived in a good ecological environment ; their main tools in daily life are crockery, which is not only large in number but also is featured with round bottom ; they live on paddy rice, fish and other propagations ; salt plays an important role in their life ; the location of ba culture relics, namely waterside or mesa near waterside, reflects their habitation features and construction mode residing before rivers

    摘要根據三峽地區與巴文化有關的考古發現,再從這些資料中分析巴人生活習俗有幾大特點:巴人生活的生環境良好;早期巴人的主要生活用具是陶器,陶器不但種類很多,並且多圜底器,圜底器一直貫穿巴人生活的始終;巴人以稻米、魚類和其他為重要的來源;鹽在巴人生活中具有重要的經濟地位;巴文化遺存多在水邊或水邊臺地上,反映了巴人臨水而居的居住特點和建築方式。
  19. The nitrogen fertilization not only improved the nutrients and habitats for arthropods but also altered the dynamics and structure of food web through the changing the aquatic invertebrate community in rice fields

    稻田生系統中施用氮肥不僅可以改進節肢的營養條件和生境,而且還可以通過水生無脊椎群落的變化改變整個鏈的結構和
  20. In our dynamic data base there are more than 60. 000 of these companies, going through all the branches. the data base includes manufacturing companies industry, consumer good, food beverage etc., service companies hotel chains, travel service provider, tourism associations, insurance companies, exhibitions and congress organizers etc. as well as retail and wholesale supermarkets, consumer good markets, automotive traders etc

    在我們的數據庫內,這樣的公司多達60000家,覆蓋所有的行業,包括生產企業工業消費品和飲料類服務公司連鎖酒店旅行社旅遊協會保險公司展覽會議組辦機構等批發商和零售商超市消費品市場,車行。
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