水覆蓋區 的英文怎麼說
中文拼音 [shuǐfùgěqū]
水覆蓋區
英文
water-covered area-
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,森林覆蓋率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,採用野外巖溶生態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,找出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) ,樣地土壤微生物指標(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。Based on the actual situation in the upper reaches of minjiang river, the main assessment factors such as strata structure, landform, vegetation covering eco - environment, surface water, ground water, agrotype and geological hazard are selected in this paper
本文根據岷江上游的實際情況選取巖性構造、地形地貌、植被覆蓋生態區、地表水、地下水、土壤類型及地質災害等因素作為評價因子。In most cases, extracting oil involves chopping down the forest that blankets the region, draining the boggy ground, stripping off the topsoil and literally digging up the oily sand below
在大多數情況下,要從油沙中提煉出石油需要先把覆蓋該地區的森林砍掉,排乾地面的水分,去掉表層土然後當然就是把地下的油沙挖出來。It is a very complicated problem to estimate evapotranspiration ( et ) over a large area natural surface. based on the information of satellite remote sensing and geography, the natural surface is divided into 6 categories : water, bare soil, dense grass, partly grass covered, forest, bosk
利用遙感資料求取ndvi ,依據ndvi和地理信息資料,將地表分成6類:水體、裸地區、草地?裸地區(有草覆蓋但未完全覆蓋) 、草地完全覆蓋區、樹林區、灌木叢區。The primary representations of the vulnerabilities of water resource in hengyang basin where is a typical hilly region with red and purple soils in south china are analyzed : the precipitation re source varies greatly in spatial and temporal distribution ; the soils and rock property are not in favor of water and soil conserving ; the structure of crops needs a high water consumption ; and the farm irrigation works are timeworn and frangible
摘要以中國南方典型的紅壤和紫色土丘陵區衡陽盆地為例,分析論述了衡陽盆地地表水資源脆弱性主要表現在:降水資源時空分佈不均勻;不利於水土保持的地表物質組成和植被覆蓋;耗水量大的農業種植結構以及調蓄水功能弱的農田水利工程體系等方面。Applying the radar technology to estimate relative change of soil moisture in vegetated area
應用極化雷達估算農作物覆蓋地區土壤水分相對變化To date, birdlife have listed sixteen important bird areas ( ibas ) in the region, specifically to cover the most important breeding, passage and wintering sites
國際鳥盟已經在這一地區列了16個重要鳥區,覆蓋了遷徙水鳥的主要繁殖,途徑和度冬地。The forest cover will rise from 10. l percent to 27 percent in 30 years in the other three major control regions, namely soil erosion areas in the middle reaches of the yellow river, wind eroded areas on the loess plateau and areas along river sources in qinghai province
用30年左右的時間,使黃河中游水土流失區、黃土高原風沙區、青海江河源頭三個重點治理區森林覆蓋率由目前的10 1提高到27以上。The evapration of water area is calculated by et0 multiplied by kc ; and then the evapotranspiration estimation models for other categories ( singular underling surface ) are presented ; based on bare soil and dense grass models the evapotranspiration estimation models for partly grass covered surface is presented combined with vegetation fraction data. it is feasible and logical each categories using singular way and mean, the result of regional evapotranspiration over south ningxia is given
將水體單獨處理,由參考作物蒸散乘以比例系數直接計算得出水體蒸發;建立了4種單一類型下墊面(裸地區、草地完全覆蓋區、喬木林區、灌叢區)蒸散計算模型;對混合下墊面(草地?裸地區)區域蒸發(散)計算方法使用裸土和草地完全覆蓋蒸發(散)計算模型,然後結合植被覆蓋度給出。Baby seeding direct sowing with re - paper covering were introduced in this paper in this study, many experiments were done include leveling the land of 20 hm2 paddy field experiment by using laser controlled land leveling machine in jing ertun village of liaoyang city, testing and summarizing the rules of breeding the baby rice used to sowing, investigating the growing of rice during its whole growth duration, testing and analyzing the performance both a kind of baby rice seedling direct planting machine and the baby rice seedling - throwing machine
本文還介紹了水稻紙膜覆蓋直播種植技術的種植方法。本文通過在遼陽市太子河區景爾屯村的20hm ~ 2水田應用激光設備進行平地作業,對乳芽培育的工藝規范進行了試驗和總結,跟蹤調查了水稻全生育期的生長狀況,分別對一種水稻乳芽直播種植機械和乳芽拋播機械進行了性能檢測與分析。According to the principles of " positive and steady, scientific programming and rational layout ", the cpc municipal committee and municipal government have programmed the city from a high starting point, constructed the city according to a high standard, administered the city at a high level, managed the city with a high efficiency, made the city green with a high quality made a total investment of nearly 2billion yuan, completed a large group of infrastructures and greening and beautifying projects in succession, made the size of constructed downtown area increased from less than 6square kilometers to 132squme kilometers, completed greenbelts with an area of 316hectares, made green percentage of coverage up t032 %, per capita public greenbelt area up to 10. 72 square meters, initially formed a garden - style ecologieal city with " trees shadowing the street, soft green grass carpeting the ground, greening all the year round, blossoming out in 3seasons ", gained honors and titles of " state - level excellent city in urban environment comprehensive renovation ", " provincial - level landscape garden city ", " award of residential environment of henan "
市委、市政府按照"積極穩妥、科學規劃、合理布局"的原則,高起點規劃城市,高標準建設城市,高水平管理城市,高效益經營城市,高品位綠化城市,共計投資近20億元,相繼完成了一大批基礎設施和綠化美化工程,建成區面積由原來的不足6平方千米,擴大到132平方千米,市區擁有綠地316 :公頃,綠化覆蓋率達32 % ,人均公共綠地面積10 . 72平方米,一個"綠樹成蔭、芳草遍地、翠點四時、花開三季"的園林化生態城市已具雛形,榮獲"全國城市環境綜合整治優秀城市" 、 "省級園林城市" 、 "河南人居環境獎"等榮譽稱號。The basic technologic scheme on microwave transmission, currently maturate and advanced microwave transfer technology and equipment, efficiency slot gap antenna, character quality filter, mixer, exact crystalloid concussion apparatus, power backspacing technology, pre - distortion adjustment. furthermore, the technologic schemes practicing using multilevel microwave transfer technology in some areas such as lengshuijiang is introduced in the paper
採用了當前比較成熟、先進的微波傳輸技術和設備,如高效的縫隙天線、高品質濾波器、混合器、高精密的晶體震蕩器、功率回退技術、預失真校正技術,結合工程實際,設計了湖南電廣網路33家合資公司的mmds無線微波數字電視覆蓋的基本技術方案,和個別地區(冷水江市數字微波工程)的多級微波傳輸的具體技術方案。Based on the above studies. the different programs on how to use the rainwater resources efficiently is developed. which is decided by the water deficiency amount for agricultural production. a series of measures have been put forword. first, different geological regio should take different methods. second. the rainwater utilization through collection and storage projects or through reduction in evaportranspiration and increasion in infiltration should be combinated organically. third, the high efficiency of rainwater ' s utilization should be attained. therefore, water resources crisis can be alleivated efficiently and the agriculture sustainable development can be improved in baoding area
通過對典型年實測資料的分析,較深入研究了不同作物對雨水資源的利用效率及其影響因素。本文提出了根據缺水量等級決定的雨水資源利用方案的技術思路,因地制宜的提出了平原區以覆蓋抑制蒸發利用和雨水富集疊加利用為主的雨水資源高效利用措施,保定山區以就地攔蓄入滲利用利雨水富集疊加利用為主的雨水資源高效利用措施。The gullies are formed by the processes of infiltration - interflow - collapses. ( 2 ) in the slope with sand - loess, the major factors of water erosion are the rainfall intensity and rainfall amount of annual first rainfall. ( 3 ) in the region, the evolution processes of slope gully system results from alternative actions of sand deposition and water erosion
( 1 )有片沙覆蓋的斜坡小區,徑流量少,但徑流含沙率大,坡溝的形成過程是:垂直滲流坡地潛流崩塌; ( 2 )在沙黃土斜坡小區,每年春末夏初降雨的強度及降雨量是決定坡面產沙量的關鍵因素; ( 3 )該區坡溝系統的形成發育是風沙沉積、風蝕與水蝕交替作用的結果。The degraded ecosystems include : > 25 dry land, mountain dry land, low density forest, grassland of low cover rate or moderate cover rate, all of which are the sources of soil and water loss. the low intensity of soil and water loss accounts for 55 % of the project area, the moderate for 23 %, and fierce for 12 %
早地、山區早地、疏林地以及低、中覆蓋度草地,也是水土流失主要的策源地;其水土流失的強度也表現出微度侵蝕占項目區的55 % ,中度侵蝕佔23 % ,強度侵蝕佔12 % 。We energetically advocate straw mantle to lily flower in living through the winter in east of gansu, because straw mantle protect the environment, keep moisture, and effectively adjust growth course of lily flower, make the output form period avoid the furthest serious spring arid, increase the water and fertilizer utilize efficiency, increase production observably
隴東塬區黃花菜越冬田間覆蓋應大力提倡秸稈覆蓋,由於秸稈覆蓋既環保,又保墑,而且能有效調節黃花菜發育進程,使產量形成期避開隴東春早最嚴重時期,提高水、肥利用率,增產顯著。During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched
為了分析主動探測空間動態性能,本文首先提出以「目標進入雷達覆蓋區概率」 (簡稱為「覆蓋率」 )作為評價指標;然後將三維探測空間轉換為不同高度層對應的水平探測圓,針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形,採用相對運動的方法,分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再運用蒙特卡洛法進行模擬計算,分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比對性能的影響。This paper sums up present and history karst collapse in tai ’ an, shandong province. it mainly spreads in the quaternary system cover areas where the looser layers are thinner, underlying open karst caves and cracks are under the quaternary system
本文分析了山東省泰安市巖溶地面塌陷的形成歷史及現狀,從地下水動態及地質環境監測結果入手,研究得出塌陷主要分佈在鬆散層較薄的第四系覆蓋區,發生時間主要集中於枯水年份或年內枯水期和豐水期初。A third of this vast region, the world ' s biggest patch of frozen ground, is covered with lakes that are growing as subterranean ice melts
隨著地下冰層的溶化,這個世界上最大的凍土帶有三分之一的地區被這樣的湖水覆蓋,而且湖水的水量在不斷增長。Groundwater types and development patterns are summarized over the areas covered by loess in the east part of the ordos basin
總結了東部黃土覆蓋區的地下水類型及開發利用模式。分享友人