無徑流區 的英文怎麼說
中文拼音 [wújìngliúqū]
無徑流區
英文
areism-
As a result, vulnerable ecological environment is showed with the ecological bearing capacity in middle reaches of hetian river. in the view of the features of landscape pattern in the middle reaches of hetian river, the landscape protection principles of development, harmonization and reality and ecological landscape construction principle including adapting nature, mutualism, adjusting ecosystem and meliorating function, local regulation and whole " harmonization are put forward
A ，指出區域內生態環境質量在提高，但依舊無法脫離荒漠生態體系，是一種極其脆弱的生態環境。針對和田河中游地區景觀生態的具體特點，提出了發展、協調、現實的景觀保護原則以及適應自然、共生互利、調整結構，改善功能、局部控制與整體協調的景觀生態建設原則，相應地制定出河流廊道建設、綠色植被建設以及綠洲建設的景觀生態建設途徑In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model
本文著重以下三個方面的研究： （ ）低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型，研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。Hydrology regime and river channel evolution become complex because of double influences of river flow and tide. there is little appropriate method so far. therefore, when the impact us assessed of water project on flood control, the following aspects should be focused on, river evolution and stability of project - sections, design tidal level, flood - tide combination scheme, pre - project and post - project impacts on river channel, water level and flow condition
長江河口段為潮流河段，徑流潮流的雙重作用使得區域水文情勢、河道演變規律錯綜復雜，開展防洪影響評價研究時，河道演變及工程段穩定性分析，設計潮位的分析計算，洪潮組合方案擬定，工程前後對河道及水位流態影響的模擬等均是目前尚無十分成熟的方法，需要進一步研究的課題。The non - irrigation plantation in moving sand dune and sandy girder areas should adopt some biological and engineering measures such as runoff - collecting to improve effects of rainfall, reduce losses by evaporation and depth leaking, and improving circulation and transformation of water in sandy plantation ecology system by reasonable allocation
在無灌溉條件的流動沙丘和沙梁地，通過徑流匯集利用，充分實現降雨的有效化，利用各種生物和工程措施來減少植被系統的無效蒸發散損失和深層滲漏，通過合理配置提高水資源的循環與轉化是沙區發展免灌植被的主要途徑。Firstly, the fractal dimensions of daily rainfall and daily runoff are calculated by using the box - counting method. the result demonstrated that daily rainfall and daily runoff has multifractal property in a range of temporal scale. so the multifractal spectra are calculated
首先用盒子數法來計算日降雨過程和日徑流過程的分形維數，研究了無標度區間的范圍，並計算了日降雨過程和日徑流過程的多重分形譜。Based on theory of water travel in catchment and reasoning formula, a new calculation model for flood flow design of culvert and small bridge in sichuan hilly area where is no runoff data is derived in the paper
因此，本文以著名的流域匯流公式為主，引入推理公式的思想，進行合理的概化導出了適合於四川丘陵地區無徑流資料的中小橋涵設計洪水計算的新模型。Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street
輕軌運輸系統lrt源起於歐洲街道電車street car ，街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落，但隨著都會地區機動車輛不斷增加，道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際，輕軌車輛技術已不斷提升，具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計，搭配先進控制系統及彈性的路權型式，使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點，如高性能輕軌列車與汽車共存，低底盤的車廂創造無障礙車站空間，道路即是車站設備，旅客可以在街區上下車，提供沿線居民高度的便利性，消除交通堵塞噪音及空氣污染等，輕軌系統並與街景充分的調和，成為活動的都市意象。( 2 ) in term of two cases that being upstream long - liu regulation or not, solved optimal model to obtained compensation results of water supply and generation electricity. the ning - meng system increased water 17. 08 * 10a8 m3, the downstream system increased 7. 13 * 10a8 m3 ; the runoff power stations increased generation 8. 93 * 10a8 kw - h, the san - xiao increased 9. 10 * 10a8 kw - h
（ 2 ）按照「無」龍劉調節和「有」龍劉調節兩種情況，分別進行模型求解計算，對比分析得到黃河上游水電站為中下游提供的水量以及電量補償調節結果：多年平均上游水電站為寧蒙灌區增加有效供水17 . 08億m ~ 3 ，為下游省市增加有效供水7 . 13億m ~ 3 ；為上游徑流式電站增加電量8 . 93億kw ? h ，為三小增加電量9 . 10億kw ? h 。Potassium lost by runoff was equal to that lost by bed load in fallow farming system, but in the systems with more sediment such as traditional farming system, grass stripe, and contour ditch potassium loss was mainly through bed load which accounte
08 ，泥砂流失量和有機碳流失量佔全年流失量的90以上。徑流量和泥沙流失量的大小順序均為無保護性措施、侵蝕嚴重的試驗區5 （ ck ：對Research in the translocation and transformation of phosphorus in soil - water system is of importance to environmental p management and controlling the eutrophication. a series of experiments and investigations in this paper were conducted to study the changes of p pool by a long - term applying fertilizer p, the translocation and transformation of phosphorus between interface of soil and water in relation to their environmental effects, using the upland fields from yellow soil area of guizhou province
在貴州中部地區，通過對有代表性的黃壤旱地進行采樣分析和盆栽試驗，對其磷庫變化及其環境影響進行了研究，同時採用無界徑流小區試驗、野外坡面徑流小區試驗以及模擬降雨徑流試驗對坡旱地地表徑流中磷的含量水平、形態特徵、生物有效性、遷移規律、磷流失量及其影響因素進行了研究。Although there are several studies on influence degree of human factors on river runoff, generally acknowledged model to appraisal the weight of human activities has not show yet at present because the regional natural conditions differ widely
國內雖有一些衡量人為因素對徑流量影響程度的研究，但由於所處地區自然條件大不相同，所以目前尚無公認的評價人類活動因素在徑流量變化原因中所佔比重的模型可資借鑒。There are only researches about the slope loss ' s soil particle characteristics and the temporal process of hillslope agro - forestry compound system nutrient loss in the yangtze river watershed, and deficient to the mechanism and process parameters of hillslope sediment and nutrient loss of three gorges area, and there is not a preferable systematic prediction model of sediment runoff and nutrient loss also, let alone forming benefits evaluation model of hillslope harnessing measures
目前在長江流域僅有坡面流失土壤顆粒特徵和坡面農林復合系統養分流失時間過程的研究報道，而對三峽庫區坡面土壤泥沙及養分流失的機理及過程參數的獲得尚無報道，還沒有一個較系統的泥沙徑流及養分流失的預測預報模型，更談不上構成坡面治理措施的效益評價模型。分享友人