高原生態系統 的英文怎麼說
中文拼音 [gāoyuánshēngtàixìtǒng]
高原生態系統
英文
highland ecosystems- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 原 : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
- 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
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 高原 : [地理學] continental plateau; plateau; highland; tableland
- 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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Evaluation result is that city ecosystem colligate index of zhengzhou is the tiptop in central plains city but is quite low compared with import ecosystem cities in our country
評價結果是:鄭州市在中原城市群中雖城市生態系統綜合指標值最高,但與國內重要生態城市相比差距很大。Abstract : large time delay exists in complicated practical processes. for example, in fccu ( fluidized catalytic cracker unit ) reactor - regenerator, the feed is preheated through heat exchanging from fractional column slurry, thus results in large time delay. a predictive control system is designed for such processes, where the kernal algorithm is dynamic matrix control. application results show that the control behavior is improved than original pid control
文摘:實際的復雜工業過程,往往具有大的時滯,例如:煉油廠催化裂化裝置的反應再生系統,其原料油預熱通過油漿換熱實現,因此時滯特別大.本文針對這一類大的時滯過程,設計了以動態矩陣控制為核心演算法的預測控制系統,運行實踐表明:這一控制方案比原pid控制在控制質量上有較大提高It is useful to study the relationship between plants and environments of this region for improving our understandings of the ecosystem frangibility of ordos plateau and the significant roles of vegetation in maintaining the structure and function of the ecosystem
因而,研究該地區植被與環境復雜多變的相互關系有助於我們認識鄂爾多斯高原生態系統的脆弱性和植被對于維持該區生態系統結構和功能過程的重要性。We analyze agent cooperation methods now commonly in use, and, on the basis of ecology and experiences, we propose a competitive price auction contract network protocol. while using the same network traffic volume as the simple auction, our strategy of second overbid competitive price auction can achieve the same effect as the traditional auction. further, we improve traditional contract network protocol, introduce constraints into message transmit, and use fell back punishment and credit when an agent cannot complete the intended task, consequently the traffic volume and the complexity of systems are considerably reduced
本文分析了現在通常採用的agent協同方法,提出基於生態學和經驗的競價拍賣合同網協議,採用的選擇次高價競價拍賣策略能在與簡單拍賣相同的通信量上達到類似於傳統競價拍賣的效果,對傳統的合同網協議進行改進,在消息傳播中加入約束機制和對agent不能完成任務時不採取轉變角色重新招標而採用違約懲罰和信用機制,減少了系統的通信量和系統的復雜度,最後在此基礎上實現一個基於fipa標準的多agent電子商務原型系統。An atom on an excited upper level can execute a downward transition not just spontaneously but also when photons of the radiation field surrounding the atomic interact with it.
處在較高的激發態上的原子不只可以自發地而且可以在它與原子系統周圍輻射場的光子相互作用時發生向下的躍遷。21 " s century is the century of ecology together with sustainable development, is the century of mankind lift environment quality of dwells among the entire system of dwells environment, it is a significant sub system that student resides district in university implement the strategy that our country is developed vigorously in science and technology education, and possess more and more young man to go away into the university school grounds, but student resides district environment improvement and the ecology technique application possess the important sense the dissertation based on living to sum up the history course of change and development of student resided district in home and abroad university and the ecology architecture theories, and analysed the problem on the ecology environment of student resides the district o the relationship that the improvement of dwelld environment in university together with the establishment of ecology view and ecology technique application was elaborateed by the dissertation, and stressly analysed plan - design of ecology technique rule the dissertation obtained the conclusion ought to adopt to " appropriate technique " ecology design measure in student resides district at the moment our country, and not only be able to thrift investment but also be able to acquire well ecology benefit
在人居環境整個大的系統之中,高校學生住區是一個重要的子系統。隨著我國科教興國戰略的實施,有越來越多的年輕人走進了大學校園,而學生住區環境改善和生態技術的應用就有著多重的意義。論文在總結了國內外高校學生住區的歷史沿革和生態建築學理論的基礎之上,分析了我國高校學生住區在生態環境上存在的問題,闡述了高校學生住區的人居環境的改善與生態觀的建立與生態技術應用的關系,重點分析了高校學生住區整體規劃和單體設計的生態技術原則,從學生住區的結構文脈、公共交往空間、整體居住環境、規劃的生態方法、單體的綜合生態技術應用、地下空間的開發利用、生態景觀設計等多個方面,提出了多項「適宜技術」的生態技術應用措施,得出了就目前我國的國情應在高校學生住區設計之初採用多種「適宜技術」的生態設計手段,既能節約投資又能取得良好生態效益的結論。Besides, the growth of gasb expitaxy film was monitored by reflection high energy electron diffraction ( rheed ). the rheed images and intesity oscillation are collected by computer system. it showed that the gasb film prepared in 400 was amorphous and it became monocrystalline when the temperature rose to 500. atomic force microscope ( afm ) was applied to analyse the surface morphology of the films which were grown in diffrent growth rates or substrate temperature. the analysis were compared to simulation results. the experiment results indicated it was easy to form clusters when the rate of growth is high or
此外,本文通過反射式高能電子衍射( rheed )監測了gasb外延薄膜的生長,利用rheed強度振蕩的計算機採集系統實現了rheed圖像和rheed強度振蕩的實時監測。實驗發現在400生長的gasb薄膜為非晶態,溫度升高到500薄膜轉變為單晶。利用原子力顯微鏡對不同生長速率和襯底溫度生長的gasb薄膜的表面形貌進行觀察分析,並與模擬結果進行比較。Professor walter willms, the pasture management expert with agriculture and agri - food canadas lethbridge research center, and professor zhao mengli, specialist in pasture zoology at the inner mongolian agriculture university, were invited to deliver this training. zebai, the dean and grassland management specialist of sichuan grassland science academy, li caiwang and bian zhigao, the grass planting and livestock breeding specialists, and luo guangrong and yang pinggui, yak feeding and breeding specialists, gave presentations on how to improve livestock production grazing management systems, how to evaluate pasture health and the grassland zoology systems, how to manage grazing on the natural grassland and co - manage the grassland and keep balance between the grass and herds
此次培訓邀請了加拿大農業部韋斯布里奇研究院牧場管理專家walter willms教授和內蒙古農業大學牧場生態專家趙萌莉教授,四川省草原科學研究院院長草地管理專家澤柏,牧草種植育種專家李才旺卞志高,氂牛飼養育種專家羅光榮楊平貴,就提高牲畜生產的放牧管理制度,牧場健康和草地生態系統服務評估,天然草地放牧管理及草地共管和草畜平衡,冬春打貯草基地與免耕種草技術,氂牛適時出欄和氂牛雜交改良技術氂牛本品種選育等先進經驗模式進行了介紹。In addition, rainfall is the only source of soil water in loess plateau that has the key function in the water circulation
降水是黃土高原地區土壤水分的唯一來源,土壤水分在生態系統的水分循環過程中起著中樞的作用。Based on the serious shortage of soil moisture, soil aridity and vegetation recession in this region, the following issues are studied in this dissertation : ( 1 ) the meaning of soil water and its role in the water circulation ; ( 2 ) soil water deficit and its influence to vegetation growth ; ( 3 ) the definition of soil dried layer and the causes of its formation ; ( 4 ) soil dried layer distribution and characteristics in north of shaanxi loess plateau ; ( 5 ) the primary study of measurable index of soil dried layer
本論文主要針對黃土高原土壤水分嚴重虧缺現狀以及因之而形成的土壤干化和林草植被衰退現象,主要對以下幾方面的問題進行了研究: ( 1 )土壤水分的意義及其在生態系統水分循環過程中的作用; ( 2 )林草植被土壤水分虧缺狀況及其對植被生長的影響; ( 3 )土壤干層的涵義及成因分析; ( 4 )陜北黃土高原土壤干層的分佈及特徵; ( 5 )土壤干層的量化指標初步研究。As the link of the artificial environment and the natural environment, the urban waterfront which is the main element of the composition of the city makes up the unique landscape of the region, moreover it is the city life carrier
城市濱水區是城市生態系統的有機組成部分。作為城市人工環境與自然環境的結合點,它在構成獨特區域景觀的同時,又是城市生活的載體。黃土高原地質地貌環境復雜,溝壑縱橫,水土流失現象嚴重。It is a unique example of a complex of ecosystems, including tidal flats, floodplains, lowlands and plateaux, and provides a habitat for a wide range of rare or endemic species of plants and animals
該國家公園代表了一個復雜的生態系統,其中的潮灘、河漫灘、低地和高原為當地大量的珍稀動植物提供了優越的生存條件。From the research results, we can see that the initial reason, which leads to the degradation of xuanwu lake ecosystem, is pollution. pollution makes the water and sediments hypertrphiation, increases the opacity of water, and decreases the oxygen in water, so the wetland higher plant communities decrease or disappear. the wetland ecosystem loses the balance, while the biodiversity also decreases
研究結果表明,引起玄武湖濕地生態系統功能退化的初始原因是嚴重的環境污染問題,污染加劇了水體及沉積物中的營養鹽含量,增加了水體的渾濁度,降低了水體中的氧含量,從而導致濕地高等植物群落減少乃至消失,盡而引起濕地生物多樣性下降、生態系統失去平衡。In order to realize ningxia ' s sustainable agriculture development, the problems from population, recourse, environment and economic development must be solved ; examples are like population increase, high birthrate, less developing economy, farmers " lower income standard, lack of water, reducing of forest, grassland and farmland and weakness of the ecosystem
寧夏農業要實現可持續發展,必須解決來自人口、資源、環境及社會經濟發展的問題,如人口持續增長,自然增長率高;經濟發展落後,農民收入水平低;水資源短缺,森林、草原、耕地減少和生態系統脆弱等。Abstract : burrowing behaviors of the plateau zoko rs ( myospalax bailely ) in rel ation to soil hardness were investigated by using radio - telemetry at haibei alp i ne meadow ecosystem research station, qinghai, china
文摘:採用無線電遙測法在中國科學院海北高寒草甸生態系統定位站對高原鼢鼠的挖掘行為及其與土壤硬度的關系進行了研究。A kind of networking and adaptive ecological economy operated according to the principles of ecological - economics of “ totality, co - evolution, recycling and self - reliance ”, having high efficiency of resource use, and harmony with surrounding life - support ecosystem
循環經濟是按生態經濟原理組織起來的基於生態系統承載能力、具有高效的經濟過程及整體、協同、循環、自生功能的網路型、進化型復合生態經濟。Results show that qaidam mountain desert region has the highest average ecological risk value 4. 2585, followed by guoluonaqu alpine scrub meadow region 2. 7640 and qinghai and qilian mountain steppe region 2. 7335 among these ecosystems alongside qinghai - xizang highway and railway through six natural regions. as far as land cover types are concerned, the top three ecological risk values appear in the needle - leaved forest 4. 3096, desert ecosystem 4. 1174 and land without vegetation 3. 6182 respectively, which are higher than those in the other seven land cover types in the study site
評價結果顯示:青藏公路鐵路沿線生態系統所跨越的6個自然區的平均生態風險值居前3位的是:柴達木山地荒漠區4 . 2585 ,果洛那曲高寒灌叢草甸區2 . 7640青東祁連山地草原區2 . 7335沿線10種植被生態系統平均生態風險值居前3位的是:針葉林生態系統4 . 3096荒漠生態系統4 . 1174和無植被地段3 . 6182 。The station was qualified as a open filed research station of cas in 1989 and became one of the leading stations of chinese ecosystem research network cern in 1992. working on the ecosystem structure and function, global warming, biodiversity, long term ecosystem monitoring as well as sustainable pastoral animal production, the station has become a research, demonstration and extension center. geographic location
青藏高原自第三紀隆升成為世界最高的高原以來,就以它獨特的自然地理單元影響著歐亞大陸的大氣環流和各類生態系統的分佈格局,以及高原特殊的生態系統結構功能與生物的生態適應和進化模式,引起國內外科學家的關注。At first, regarding niches and biological communities as basic elements, this paper studies the niche theory, marginal effects of ecosystems, the principle of fuzzy mathematical relation between niche and community, proposing similar prior choice competitive principle, the choice of niches between species and competitive and evolving principle, and verifying guass competition theorem
首先,以生態位( niche )和生物群落為基本單元,抽象研究了生態位理論、生態系統的邊緣效應、建立了生態位與群落的模糊數學關系原理。提出了相似優先選擇競爭原理、物種間生態位的選擇、競爭及演化原理,證明了高斯競爭定理。On the basis of analyzing the rock mechanics, the bit working circumstance and property in the bottom hole of 6000m deep well, and making use of the former equipment such as a derrick, platforms etc, the paper demonstrates that the research and design of the mechanical device have been established including the high pressure simulating well bore, the high pressure connector between the static well bore and the rotating drill pipe, the high pressure simulating system of circulating fluid and the high pressure desander etc. the produce, control and dynamic analysis of the bottom hole four - dimensional pressure ( over burden, confined, pore and column pressure ) have been studied
本文在對井底巖石的受力狀態以及鉆頭的工作環境和特性加以分析的基礎上,藉助原有的井架、平臺等設備,研究設計了模擬6000米井底壓力壞境的高壓模擬井筒、鉆柱高壓轉聯器、鉆井液高壓模擬系統以及高壓除砂器等機械裝置,並研究了井底四維模擬壓力(上覆壓、圍壓、孔隙壓和液柱壓)的產生、控制及其控制的建模與模擬,從而實現井深至6000米的四維井底壓力環境的模擬。分享友人