生態出生率 的英文怎麼說

中文拼音 [shēngtàichūshēng]
生態出生率 英文
ecological natality
  • : 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;...
  • : 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
  • : 率名詞(比值) rate; ratio; proportion
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. 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:從大系統大協調觀發,運用系統動力學方法全面分析城市擴展與各種因子的因果關系,及城市發展的自然因子識別模式,指城市問題的產是由於城市擴展對環境因子的不當使用,導致自然系統功能的缺失或失效,系統循環受阻,物質能量轉化效低下等問題的產
  3. The main process of regional ecological risk assessment includes 5 stages : regional analysis, risk receptor selection, risk sources analysis, exposure and hazard analysis, and integrated risk assessment. arming at flood, drought, storm tide, petroleum pollution accident and flow breaking in the lower huanghe river, the probability and distribution of each kind of risk sources are evaluated. the authors bring forward indexes and formulas to measure hazarded degree and risk value of ecosystem. by using remote sensing data, historic record, survey data and by means of geographical information system, regional ecological risk assessment is finished. on the basis of assessment result, the environmental risk management countermeasure of the huanghe river delta is advanced

    以黃河三角洲為例進行了區域風險評價理論和方法的探討。針對黃河三角洲主要風險源洪澇乾旱風暴潮災害油田污染事故以及黃河斷流的概進行了分級評價並提度量損失與風險的指標和公式,分析了風險源的危害作用運用遙感資料歷史記錄調查數據和地理信息系統gis技術,完成了區域風險綜合評價在此基礎上提黃河三角洲的區域風險管理對策。
  4. The paper made an ecological anatomy, a cultivation experiment on the lime - soil habtat and an analysis on the diurnal variation of photosynthetic an transpiration rate from three aspects of morphology, transplantation, physiology. the conclusion is that : ( 1 ) from the viewpoint of morphological anatomy, it has typical xerophyte structure such as strong root system, small leaf area, dense floss under the leaf surface, high stomatal density, the small opening degree, developed vessels and palisade tissues etc

    從形學、栽培學和理學三方面對迷迭香進行解剖、石灰土上的栽培實驗以及光合蒸騰速日進程的分析,得以下結論: ( 1 )在形解剖上:迷迭香具有發達的根系,較小的葉面積,葉片下表面密被絨毛,氣孔密度大,開度小,厚的角質層和發育良好的木質部和柵欄組織等典型的旱結構。
  5. First each of the eight factors, i. e., per capita water resource available, per capita water requirement quantity, environmental water use rate, utilization rate of water resource, industrial water requirement quantity per 10, 000 industrial product value, water requirement module, regional irrigation rate was analyzed. then the water resource capacity in hejin city was evaluated by applying the fuzzy comprehensive estimation

    選取了人均水資源可利用量,人均供水量,需水,水資源利用,萬元工業產值需水量,需水模數,活需水定額,耕地灌溉等8個評價因素,利用模糊綜合評判模型對其水資源承載能力進行了評價研究,並提了河津市水資源安全對策。
  6. The flowage of information exists in the movement and development of financial ecology. information is the base of financial ecology, there is no financial ecology without information. the research of information efficiency of financial ecology is meaningful that information pervasively exists in financial ecology and has some important characters

    對金融中信息效的分析,是以帕累托最優配置作為標準,加入所有制約束,並引用了瓦爾拉斯均衡,最後得金融中具有信息效的機制。
  7. In order to make the agriculture and rural economy of this area keep on fast, persistent and stable developing, it must be on the basis of controlling soil erosion and improving eco - environment, and on the advanced science and technology to combine enhancing yields of main farm product with increasing peasant ' s incomes, to support resource exploitation, and to raise technical level of agriculture industry

    從渭北旱原資源開發歷史和經驗中可得,該區域實現農業和農村經濟持續發展的途徑和措施是:以提高水資源利用效為中心,以挖掘資源潛力、充分發揮資源優勢為基礎,以科技進步為先導,著力提高農業產業技術水平,以控制水土流失、改善環境為前提,把增加重要農產品產量與增加農民收入統一起來。
  8. The sub - model for design of population density was developed according to the principle of determining boll number from target yield, fruit node from boll number, fruit branch from fruit node and population density from fruit branch by integrating the effects of sowing date, cutout date, effective temperature accumulation above 12, variety type, and fertilizer and water management levels. sowing rate was then decided by integrating the effects of different soil water and salt contents, ph, temperature and sowing style on seedling emergence rate with relative weight method

    基於「以產定鈴、以鈴定節、以節定枝、以枝定苗」的原理,同時考慮播種日期、打頂日期、 12的有效積溫、品種株型特性、肥水管理水平差異等因素來確定適宜的種植密度;在此基礎上,應用相對權重法計算土壤含水量、含鹽量以及整地質量和播種方式等多個環境因子對的綜合影響,進而確定播種量。
  9. Furthermore, they argue, an expansion of offshore production would dramatically increase the risks of an environmental disaster such as the one that struck santa barbara in 1969, when an undersea well blew its top, releasing a slick that spread over 800 square miles of ocean and soiled 35 miles of coastline

    他們進一步指,海上石油的開采將會極大的增加如同1969年聖巴巴拉發危機(海上油井的泄漏,擴散方圓八百海里的水域,並且污染了35海里長的海岸線)的的幾
  10. The two basic theories of non - equilibrium thermodynamics, the minimum entropy production and the dissipative structure, are introduced. it will be shown that, by using the relationship between the entropy production and the rate of energy dissipation, the minimum entropy production is equivalent to the minimum rate of energy dissipation

    本文首先介紹了非平衡熱力學的兩個基本理論?最小熵產原理和耗散結構理論,並根據熵產與能耗關系,得最小熵產原理與最小能耗原理二者等價的推論。
  11. The type, direction and frequency degree of land use change not only reflect the process of the space - time dynamic change of the earth ' s surface landscape and become the most salient landscape mark of the earth surface system, but also become the base of rebuilding the equilibration of land use - ecosystem - productivity

    土地利用變化類型、變化方向和速以及變化的頻繁程度不僅反映了地球表面景觀的時空動變化過程,成為地球表層系統最突的景觀標志,而且還成為了重新建立土地利用? ?? ?產均衡的基礎。
  12. This paper is based on the urban ecological principle and method, by analyzing and studying many key elements of the economic, social and ecological factors in beijing, explores the connection between the urban development and garden green land increased in beijing, summarize the development laws of the garden green land. this paper worked out, development of the garden green land in beijing dependence on upgrading of the industrial structure, afforestation invest, average gdp, policy, olympic games and their own ecological functions, etc. the remarkable change has taken place in the quantity and pattern of the garden green land in beijing. through analysizing the data in 1995 and 2000, the garden green land rose from 16577ha up to 21151ha, increased by 27. 6 %, urban green coverage rate rose from 32. 68 % up to 36. 34 %. especially, it developed rapidly in the public green land and the urban islolated green land, increased by 35. 6 % and 62. 3 % separately, and they have become the main components of garden green land in beij ing

    本文以城市學的原理和方法為基礎,通過對北京的經濟、社會和因素內諸要素進行分析和研究,探索其與北京城市園林綠地發展之間的聯系,總結城市園林綠地的演變規律。本文研究得,北京市園林綠地的發展與產業結構的升級、園林綠化投資、人均gdp 、政策、奧運會及其自身的功能等呈正相關性。北京城市園林綠地的數量和格局也發了顯著變化,從1995年和2000年的數據分析,北京城市園林綠地由16577ha上升到21151ha ,增長了27 . 6 ,城市綠化覆蓋由32 . 68上升到36 . 34 。
  13. Statistics from departments concerned show that by the end of 2004, of the 170, 000 hectares of available land, forestry covered nearly 50, 000 hectares and the forestry coverage rate and afforestation rate were 29. 4 % and 30. 3 % respectively

    據相關部門統計,到2004年底,我市國土面積近17萬公頃;林業用地面積近五萬公頃;森林覆蓋29 . 4 % ,林木綠化30 . 2 % ;我市林業發展"十一五"規劃中提,要將我市建設成為珠三角城市森林濱海花園圈。
  14. In the agricultural total output value internal structure, output value of forestry and animal husbandry occupy 80 % of it, and realize fully exploitation and utilization of the superiority environment factors ; in the crop planting output value internal structure, the economical crop output value occupy 51. 18 % of it, and give prominence to develo pment of the regional superiority ( resource superiority ) and characteristic agriculture ( chinese medicinal materials etc ) ; in the animal husbandry output value internal structure, the grass - eating animals output value ( including rabbit output value ) occupy 84. 55 % of it, thereinto, the rabbit output value occupy 66. 2 % of it, and realize operation of large scale ; enhance meat, egg and milk per person ( increase proportion of beef and mutton, reduce proportion of pig ), and reduce grain per person and oil plants per person, and enhance forest - coverage rate, source of manure index etc, and enhance ecological benefit

    到2020年時農業總產值達到了2000年的2 . 75倍,人均產值達2753 . 42元,是2000年的2 . 39倍,總產值內部,林業和牧業產值佔80 ,充分實現了優勢環境因子的開發利用;種植業內部,經濟作物產值佔51 . 18 ,突了區域優勢(資源優勢)和特色農業(中藥材等)的發展;牧業內部,草食畜產值(含兔)佔84 . 55 ,其中兔產值占牧業產值的66 . 2 ,實現了規模化經營;提高了人均肉蛋奶佔有量(其中增加牛羊肉比重,降低了豬肉比重) ,降低了人均糧食和油料佔有量,同時還提高了森林覆蓋、肥源指數等指標,從而提高了效益。
  15. China is a developing country, having expansion section and numerous population, but its economy is not imbalance among vary areas. in the westward area of the china, there is weak ecosystem, high population natural growth rate, and big stress of offering unemployed persons an occupation, little number and low quality of human resource

    我國是一個發展中國家,地域遼闊、人口眾多、地區之間經濟發展不平衡,尤其是西部地區環境脆弱,人口自然增長高,勞動就業壓力大,人力資源數量不足、質量不高,經濟落後,這些問題已經成為西部乃至全國經濟可持續發展的突障礙。
  16. The situation of yellow river dry - up is gradually rigorous. it has being influenced the development of the lower reaches of yellow river and the implement of strategy on developing the western areas. based on analyzing the harmfulness, causes of its dry - up from the factors of physical geography and human activities, this article put forward the engineering and non - engineering control measures for controlling yellow river dry - up : strenghtening the unified management and despatch for its water resource ; resorting to compulsion to save water ; quickening key projects duild for the addition of balance and water storing capacity ; increasing synthetical administer to ecological environment ; increasing effectivesupply of water resource

    黃河斷流形勢日趨嚴峻,斷流的頻增加、時間延長、里程增大,嚴重製約了黃河流域尤其是黃河下游地區的可持續發展和開發大西部戰略的實施.在分析黃河斷流造成的危害、黃河斷流的自然因素和人為因素的基礎上,提了加強黃河水資源的統一管理和調度、採取強制措施厲行節約用水、加快骨幹工程建設增加調蓄能力、加大流域環境綜合治理的力度、適時開源增加水資源的有效供給等工程性和非工程性措施,以防治黃河的斷流
  17. Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation

    利用可精確控制水分條件的水肥平衡場,在不同水肥耦合處理的條件下,研究了水肥耦合對玉米光合特性及產量的影響,結果表明:不同水肥耦合處理的條件下,玉米的光合速有所不同,氣孔導度的變化與光合速的變化表現基本一致,而對蒸騰速、細胞間co2濃度影響不大.其中,在自然降水條件下,有機肥和無機肥的配合,有利於玉米子粒灌漿期維持較高的光合速,表現良好的產量潛力.充足水條件下,有機肥和無機肥的配合,光合速及氣孔導度表現較低,表現產量有所下降,說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然條件下,為充分發揮玉米的產量潛力,最佳的管理措施是增施無機肥和有機肥的配合
  18. After the theory research and the place characteristic of modern urban plaza were analyzed, the principles of humanized design in modern plaza were deduced such as entity principle, ecology principle, walking principle, diverse principle, place principle

    論文在理論研究基礎上,在分析現代城市廣場特徵之後,提了現代城市廣場設計原則:即整體性原則、效性原則、性原則、步行化原則、多樣性原則、場所精神原則。
  19. Abstract : in this paper, the major problems in water resources, flood and drought, and water environment in china are analysed, and new subjects of study on hydrology are pointed out, including the uncertainty of hydrological phenomena, the effect of human activities on hydrology, the calculation of water level frequency, the optimum effcet of water resource development and utilization, the analysis of water supply and demand, the mechanism of water - saving agricultural irrigation, flood and drought prevention, etc

    文摘:從水資源開發利用與保護、水旱災害防治等方面論述中國當前存在的主要水問題:水危機和水浪費同時存在、水污染日趨嚴重、防洪減災任重道遠、環境破壞嚴重、全球氣候變暖產不利影響;進而論述水文學研究面臨的新課題:水文現象的不確定性、人類活動對水文的影響、水位頻計算、水資源開發利用的最佳效應、水資源供需分析、農業節水灌溉機理及水旱災害的防治,並指必須加強對這些新課題的研究
  20. Population dynamics the study of the factors influencing the fluctuations in numbers in a population or of its gene pool : the factors affecting birth and morality rates, immigration and emigration, and reproductive potential ( for example, seed size, dispersal, and dormancy )

    種群動:主要研究影響種群及其基因庫數量波動因素:這些因素影響種群內、死亡、遷入及遷殖潛力(如種子的大小、傳播以及休眠) 。
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