生態系動力學 的英文怎麼說
中文拼音 [shēngtàixìdònglìxué]
生態系動力學
英文
dynamics of ecosystem- 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
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
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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。Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically
本論文運用mcdf方法,通過系統考慮電子相關效應和馳豫效應,分別研究了cs離子的4d內殼層激發態衰變動力學特性,超重元素bh ( z = 107 )的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。As to the high speed of electric spindle system, the angle - contact bearings are usually applied to supporting the shafts. because the supporting stiffness of rolling bearing is non - linear, especially under the circumstances of high speed and ultrahigh speed, the internal working status is so complicated that it is not regarded as routine linear support and ordinary non - linear support. centrifugal effect of the rolling bearing increase the factors of influencing the supporting stiffness
高速電主軸系統的轉速很高,通常都採用角接觸球軸承作為支承,由於滾動軸承的支承剛度呈非線性形式,特別在高速和超高速情況下,滾動軸承內部的動力學狀態十分復雜,由於滾動體運動所產生的離心力作用,使得影響其支承剛度的因素增多,不能作為常規的線性支承和普通的非線性支承處理。The dynamic behavior of natural red pine woods ecological system
天然紅松林生態系統的動力學行為Transference kinetics of radionuclide nuclide 95 zr in fresh water ecosystem
在淡水生態系中的遷移動力學Part 3 : the paper set out from big system and coordination view, use the systematic dynamics method to analyse all - sidedly that the city expands the relation with various kinds of ecological factors, and natural factor discern mode of city develop, point out city ecological problems are production by improper use the environment ecological factor during city expand, it cause the problems production, such as the function of natural system disappearance or lose efficiency ; systematic circulation obstruct, material energy transform efficiency being low, and so on
第三部分:從大系統大協調觀出發,運用系統動力學方法全面分析城市擴展與各種生態因子的因果關系,及城市發展的自然因子識別模式,指出城市生態問題的產生是由於城市擴展對環境生態因子的不當使用,導致自然系統功能的缺失或失效,系統循環受阻,物質能量轉化效率低下等問題的產生。In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform
使用電子掃描顯微鏡( sem ) 、激光掃描顯微鏡( lsm ) 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析,運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究,應用matlab simulink語言對摩擦系統進行了振動動力學模擬,系統地研究了摩擦噪聲的形成機理。Via the investigation on the subjects such as philosophy of moral education, semasiology, logic, anthropology, psychology and so on, the author thinks that the ultimate goal is to cultivate the value character of our students. this character is an " attitude " dynamic system which consists of the subsystems such as " moral cognition ", " moral emotion ", " moral behavior ", etc. it is built on the basis of our traditional culture, which focuses on three dimensions of " learn to be ", " learn together " and " learn to act ". and it embodies the respect - responsibility ( individual to himself, to others, to society, to nature and so on ) value which is the students " core character as well as the goal of education that our moral education should pursue
透過道德教育哲學、語義學、邏輯學、人類學、心理學等多學科的考察,論文認為,學校道德教育的根本目的在於培養受教育者的德性品質(品格) ;受教育者的品格是由「道德認知」 、 「道德情感」 、 「道德行為」等子系統組成的「態度」動力系統;建立在傳統文化基礎上,圍繞「立身」 、 「處世」 、 「行事」三個維度,體現「尊重?責任」關系(生命個體對自己、他人、社會、自然等)價值觀,既是受教育者核心品格,也是學校道德教育應該追求的教育目標。China has also taken part in global oceanographic activities, including the gsmmp ( global studies and monitoring of marine pollution ), the toga ( tropical ocean and global atmospheric project ), the woce ( world ocean circulation experiment ), the jgofs ( joint global ocean flux study ), the loice ( land - ocean interaction in the coastal zone ), and the globec ( global ocean ecosystem dynamics ), making positive efforts to promote worldwide oceanographic cooperation
中國參與了全球性海洋科研活動,包括全球海洋污染研究與監測、熱帶海洋與全球大氣研究( toga ) 、世界大洋環流試驗( woce ) 、全球聯合海洋通量研究( jgofs ) 、海岸帶陸海相互作用研究( loice ) 、全球海洋生態系統動力學( globec )等,為推動全球海洋科技合作作出了積極努力。In the light of the recent work in biological models, especially in the chemostat models, the dissertation provides a systematic study on the asymptotical behaviour of some chemostat models built by delay or diffusion differential equations. the main contents and results in this dissertation are as follows : i ) the global asymptotic behavior of the chemostat model with the beddington - deangelies functional responses and time delays is studied. the conditions for the uniform persistence of the competing populations are obtained via uniform persistence of infinite dimensional systems
本論文基於當前生物學模型,特別是恆化器模型的研究現狀,深入系統的研究了時滯和擴散方程描述的幾類恆化器系統的漸近性態,本文的主要內容包括以下幾個方面:一、研究了具有beddington - deangelies功能性反應函數的時滯恆化器模型,利用無窮維連續動力系統的一致持續生存的理論給出了兩競爭種群一致持續生存的充分條件,利用單調動力學系統得到了系統的全局漸近穩定性。Pitch control system consist of three channels which is formed by three drive units. base on need of bench, drive system scheme is designed. single channel three - loop position servo system which is formed by linear motor is simulated. then kinetic behavior of rotor and system ’ s force coupling relation is analyzed. a compensation method for dynamic load which is caused by rotor rotation is presented base on structure - invarient theory
根據實驗臺的技術要求,設計了整個驅動系統方案。對由直線電機構成的單通道三環位置伺服系統進行了設計和模擬。分析了旋翼運動的動力學特性、系統力耦合關系,並根據結構不變性原理對由旋翼運動產生的動態載荷提出了補償方法。So it is chiefly that soil co2 concentration and its influencing factors should be studied in ordered to learn the mechanism of epikarst ecosystem and global carbon cycle. karst dynamics laboratory, ministry of land and resources, has been studied the mechanism of seven typical epikarst ecosystem and global changes through igcp 299 ( geology, climate, hydrology and karst formation, 1990 - 1994 ) and igcp 379 ( karst processes and the carbon cycle, 1995 - 1999 ) to igcp 448 ( world correlation of karst ecosystem, 2000 - 2004 ), while observation and analysis and research of epikarst ecosystem in mt. jinfo have just been beginning. the thesis analyzes that based - on observational point of green pond and deep dell in the west slope of jinfo mountain, co2 concentration and regularity of epikarst ecosystem contrasting woodland with uncovered land have been studied through the observation of temperature and humidity and co2 concentration
國土資源部巖溶動力學開放研究實驗室以igcp229 、 igcp379和igcp448項目為依託,開展了我國7個典型的表層帶巖溶生態系統運行規律及其全球變化影響研究,而其中金佛山的觀測、分析與研究則才剛剛起步,本文以金佛山西坡摘公碧潭幽谷為觀測點,主要通過coz濃度、溫度和濕度的觀測,開展林地表層帶巖溶生態系統與裸地表層帶巖溶生態系統coz濃度特徵及其變化規律的對比研究,這對進一步深入研究巖溶生態系統運行機制和全球碳循環以及開展全球巖溶生態對比有著重要意義。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
本研究立足於生態區域法的基本思路,採用系統設計的思想,通過農學、生態學、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,從土地利用現狀與動態、驅動力、 wofost模型產量模擬、生態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 ,農用地中糧食作物仍佔43 。To examine the physical processes impacts on the biological processes, we follow the idea of globec focusing on three steps : field survey, process analysis and modeling study
海洋生物資源的變動和物理環境密切相關,物理過程與生物過程的相互作用在生態系統中起重要作用,也是全球海洋生態系統動力學研究的核心內容。And then probe into the principle of brand ecological management, such as brand ecosystem dynamics, management principle and
並從宏觀上初步探討了品牌生態管理的原理,如品牌生態系統動力學、調控原理以及品牌生態系統的辨識指標體系等等。Abstract : the coupling between deformation of flexible body and the inertia forces caused by large overall motion is handled so simple that the complate erroneous results will be produced in dealing with the problems of high speed large overall motions by using traditional theory of flexible multibody systems
文摘:傳統的柔性多體系統建模理論由於對柔性體的變形及其與大范圍運動產生慣性力之間的耦合處理得過于簡單,所以在分析存在高速大范圍運動柔性多體系統的動力學性態時會得到完全錯誤的結論。Through the deep study of f. d. demello dynamic model of electromechanical transition and synchronous generator theory, we proposed a new control strategy of excitation device that can eliminate the negative - damping phenomenon, which is directly against the cause of producing negative - damping represented as low frequency oscillation in the system
通過深入研究f . d . demello機電暫態的動力學模型以及同步發電機理論,針對系統產生負阻尼即低頻振蕩的原因,我們提出了一種新的可消除負阻尼現象的勵磁控制策略。However power law might just mean soc, i. e. it is a inadequate criterion, so our results could n ' t predict the complete existence of soc in multiplicity production in high energy collisions ( soc means the relative fluctuation studied by us is not surely to be dynamic fluctuations ). however, the result gives us enough confidence and courage to probe into a strong interaction theory in multiplicity production of high energy collisions based on non - equilibrium physics
然而,由於冪次分佈與soc並沒有嚴格對應關系,而只是在較大的程度上作為soc的判據,這使得我們的結果並不意味著高能碰撞的多重產生里就一定有soc存在從而我們所考察的起伏就一定是動力學起伏,但它仍然給了我們足夠的信心和勇氣去探索一個建立在非平衡態基礎上的高能碰撞中多重產生的強相互作用理論。Three axis optical tracking test table is a kind of powerful instrument used to reproduce the flying posture of flying weapons in laboratory. the test table, together with equipment producing target, simulates the attacked target and flying missile, which can really simulate the various flying postures in space and dynamic characteristics. thus, the performance of sensors, control system and actuator and so on can be tested and evaluated, which provides various reference bases for developing, improving and redesigning flying weapons
三軸光學跟蹤試驗轉臺是一種在實驗室條件下復現飛行器或導彈在空中飛行姿態半實物模擬的有力工具,它和目標發生裝置組合在一起模擬導彈跟蹤目標的過程,可以真實地模擬出導彈等飛行器在空間的各種姿態和動力學特性,從而對其傳感器件、控制系統和執行機構等硬體設備的性能加以測試和評價,為飛行器的研製、改進和再設計提供各種參考依據。This paper simulate oxidation - deoxidize reaction, o enzyme catalysis and the origin of life. the stella mode of oxidation - deoxidize reaction can help student understand chemistry reaction in integer, train student understand correlation from the all and the one. stella simulation help us to research enzyme catalysis promoter stable state former dynamics, and to observe the basic measure of the whole response or some response directly, and offer effective datum that can be used to analysis complicated response mechanism, because of too many relevant disputes of origin of life, to introduce student various kinds of theories maximally, we use stella software to imitate, strive to give students the ultimate thinking space, make them to be able to verify their idea in the models. in this course, teachers and students can observe the result and test the theory through simulation, learn what to happen when the former hypothesis and scene changed, and turn the study way of infusing and absorbing into discussion study, make study especially thinking ability of student get improvements by a large margin
氧化還原體系的stella模型能使學生對復雜的化學反應有整體理解,培養學生從整體的角度理解各種物質間的相互作用聯系; stella幫助我們對酶催化反應穩態前動力學進行研究,可以直接地觀察整個反應的基本步驟或局部反應,提供可用於分析復雜反應機制的有效數據; stella創建的生命起源的模型,力爭給學生最大的思維空間,使他們可以在模型中驗證他們的想法,在此過程中,教師和學生可以通過模擬以試驗理論、觀察結果,並學習到原有假設或情景改變時會有什麼情況發生,將灌輸性、吸收性的學習方式變為討論式學習,使學生的學習特別是思維能力得到大幅度的提高。分享友人