characteristic level of water 中文意思是什麼

characteristic level of water 解釋
特徵水位
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  • level : n 1 水平儀,水準儀;水準測量。2 水平線,水平面;水平狀態;平面,平地。3 水平,水準;水位;標準;...
  • of : OF =Old French 古法語。
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  1. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  2. Based on the establishment of the mathematical model of the water - level controlling system, the boundary control equation of the stable domain of the continuous system and discrete system are found respectively, and the characteristic of stable domain of the two systems is analysed

    其目的是維持前池水位穩定,提高機組單位流量出力,最大限度利用來水,從而提高電站的經濟效益。在建立水位調節模式下調節系統數學模型基礎之上,對連續、離散系統進行了穩定分析。
  3. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況,利用gis技術模擬洞庭湖地形變化,採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化,為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。
  4. High proportions of poverty mountain regions are distributed all over the country and have many common characteristic as follows rugged ground convenient communication and information, low life level of the residents fragile ecosystem, scarce resources of water and soil, great environmental pressure, etc. located in the southeast of chongqing municipality, qianjiang district is one of the major poverty counties named by the sate council moreover, located at the vital organs part of china, transition region between the west and east, and the juncture of the four provinces ( chongqing, hubei, hunan, guizhou ) likewise, close to the region of the three gorges dam

    我國貧困山區面積廣大,遍布全國東西南北,有許多共同特徵;地表崎嶇,交通不便,信息不靈,經濟落後,人民生活貧困,生態脆弱,水土資源稀缺,環境壓力大等等。黔江區位於重慶市東南部,是國務院確定的重點貧困縣,是我國的一個具有典型意義的貧困山區,位於我國腹心地區和中、西部過渡地帶,地處渝、鄂、湘、黔四省市的結合部,又緊鄰三峽庫區,地理位置十分重要。
  5. In the author ' s eyes, wuhan has a god - given advantage in the environment. as there are hills and water, lakes and river, emphasis should be on tree planting and water cleaning. although the city construction has reached a level, they should make it a point of making a consistent, long - term layout which can demonstrate the characteristic that wuhan is by the river and lakes and should also be identical with the specialties of individual administration districts

    作者認為:武漢的環境是得天獨厚的,有山有水,有江有湖,關鍵是要把環境的綠化、凈化放在重要的位置;武漢的市政也己有一定的水準,關鍵是要有統一的、長遠的規劃,並體現出武漢的沿江、濱湖特色以及與各個行政區的發展特色相吻合;武漢的文化有深厚的底蘊,楚風漢韻源遠流長,關鍵是進一步發掘和弘揚,並使其在一些公共場所及標志性建築上得到表徵化體現;武漢的人才和科教優勢明顯,但普通武漢人的素質仍亟待提高,使之更貼近現代化國際性城市的目標,跟上城市化發展的步伐。
  6. ( 5 ) according as different dispatching results under different parameters combination of aertashi reservoir, taking into account hydraulic, energy, investment index etc, the characteristic water level of aertashi reservoir are selected by applying fuzzy optimal selection theory and grey relation analysis theory, and the optimal parameter combination is recommended

    ( 5 )根據阿爾塔什水庫不同參數組合情況下葉爾羌河流域水庫群調度結果,考慮水利、動能、投資等指標,運用模糊優選理論和灰色關聯分析理論對阿爾塔什水庫興利特徵水位進行了優選,推薦了最優參數組合。
  7. Combined with the practical program, the problems of united dispatching of reservoir system in yeerqiang river basin is studied deeply in this paper by using the theory and method of system science, the model of operation of reservoir system is purposed, the characteristic water level of aertashi reservoir are selected, the operation function of aertashi reservoir is established to direct the operation in the future

    論文結合生產實際,採用系統科學的理論與方法對葉爾羌河流域水庫群調度問題進行了研究,提出了葉爾羌河流域水庫群調度的模型,優選了阿爾塔什水庫的特徵水位,並根據長系列結果建立了阿爾塔什水庫調度函數以指導水庫將來的運行。
  8. Finally, to studied the area according to the findings 2004 the level of development to carry on the synthesis appraisal, proposed the analysis countermeasure this text main conclusion is : ( 1 ) this article studies in the arid area ecology industry park appraisal target system has the arid area characteristic the target to include : the unit industry increases the value water to consume the level, the industrial waste circulation use factor, the garden area afforestation rate and so on

    最後,根據研究結果對研究區2004年的發展水平進行了綜合評價,提出分析對策。本文主要結論為: ( 1 )本文研究的乾旱區生態工、 iu園評價指標體系中具有乾旱區特點的指標有:甲一位工業增加值水耗水平、工業廢水循環利用率、園區綠化率等。
  9. According to recorded tidal water level and rate information, the tidal type has been analyzed and tidal characteristic has been ascertained. this provides theoretical reference to the position of water diversion and drainage

    根據實測的潮位及潮流資料對潮型進行了分析,確定潮汐的特性,為引排水位置的確定提供理論依據。
  10. The dynamic characteristic of loops for water level is analyzed especially the reason of ostensible water level. on the basis of these a routine pi controller is designed to control the water level

    在分析了汽包水位迴路的動態特性,特別是「虛假水位」產生的原因的基礎上,設計了常規pi控制器實現鍋爐汽包三沖量控制系統。
  11. Then makes a detailed study on the water - level sensor : analysis its working principles, measurement conditions and accuracy, at present, water - level sensor has various sorts and different prices, this paper makes a detailed research about the principle, characteristic and application of the cyg19 : solid - state pressure transducer. and then the text make a research about the system interference, including interference source, types, propagation path and anti - interference measure. at last, having experiments validates its practication

    目前,由於水位傳感器的種類繁多,價格相差也較大,本文就所選用的固態壓力傳感器cyg19系列小差壓傳感器的原理、特點及應用進行了詳細的研究;再次,對自動量水儀表系統的干擾部分,包括干擾的來源、干擾的類型、干擾的傳遞方式以及抗干擾措施進行了探討;最後,實驗驗證自動量水儀表的可適用性。
  12. Through these studies and analysis, following conclusions could be drawn : ( 1 ) it is necessary to study on harness engineering of landslide and dangerous rock since the main representations of this geological hazard are landslide and dangerous rock through geological investigation ; ( 2 ) it can be concluded though stability analysis that the dingzhuang landslide is stable naturally, which is identical to the in - situ investigation ; ( 3 ) through stability analysis, the landslide would slide if the water level dropped down from 175. 10m to 156. 0m and it rained successively after the three gorges reservoir work. ( 4 ) according to the results of calculation and the characteristic of the landslide, it is suggested that such measures as unloading at upper part, anchorage and pile supporting system and drainage system should be used on the landslide. ( 5 ) according to geological investigation, there are three kinds of dangerous rock in the engineering, those are failing - down rock, collapsing rock and sliding rock

    因此有必要對滑坡進行治理; ( 4 )根據滑坡推力計算結果和本滑坡屬牽引式滑坡的特點,滑坡體上部相對較穩定,中下部處于基本穩定或不穩定狀態,因此建議此滑坡治理採用上部削坡減載與錨拉抗滑樁、擋墻進行支擋結合的處理方法,同時結合截排水等措施進行綜合治理; ( 5 )根據地勘資料,通過對危巖體的形態、規模、基座和底界層及分佈特點和分析,將本工程危巖體失穩崩塌的方式歸納為墜落式、傾倒式和滑塌式三種類型並分別提出相應的穩定性計算方法; ( 6 )分別對本工程中的危巖體進行了穩定性計算,並且發現其都處于不穩定狀態,因此根據實際情況分別提出相應襯砌支撐和清理等加固治理措施,最後還對加固后的危巖體進行了校核計算,滿足要求。
  13. It result in water level rising, hypo - salinification aggravating, sediment silting up, the lake atrophy, marsh extending and nature disaster such as droughu waterlog ^ salinification occurring frequently. completely analysis to geology and hydrology conditions of the district along yellow river in shandong has been applied in this paper and aquifer ' s hydrological characteristic and subsurface flow ' s characteristic have been analysed as keystone in the paper. after finding out the distribution rule and formation conditions of the shallow layer " s ground water resource, divide the district into three hydrological sections according to hydrological conditions and subsurface flow characteristic

    本文對山東沿黃地帶地質、水文地質條件進行了全面系統的分析,並重點分析了區內含水層的水文地質特徵及地下水運動特徵,進一步查明了淺層地下水資源的形成條件和分佈規律,根據水文地質條件及地下水運動特徵,劃分出三個水文地質區,劃分並論證了粘土裂隙含水層的形成及供水意義;確定了科學的水文、水文地質參數,為準確地計算淺層地下水資源奠定了可靠的基礎;根據淺層地下水資源形成特點,建立了地下水均衡方程式,據此,計算了區內淺層地下水資源及淺層地下水可采資源。
  14. The old control system mainly using - and - now ca n ' t meet the high and complicated requirements of modern ship to control its boiler. it is imperative under the situation to use computer for ship control area. and the remarkable plc used currently by industry process control area is the most reliable, simple and convention way to realize computer control on board modern ship. the paper introduce simply the basic principle of plc and the characteristic of simens plc s5 - 115u and a typical boiler system of huge oil tank. on this base, the paper pay more attention to making control programme of s5 - 115u for huge marine fuel oil boiler. and pid control method is singly adopted for water level control and steam pressure control of the fuel oil boiler

    以繼電? ?接觸器為主的老一代控制系統已不能滿足現代船舶對其鍋爐控制的越來越高、越來越復雜的要求,這一領域的計算機化已勢由必行,而應用在當前工業過程式控制制領域中引入注目的可編程序控制器( plc )又是使其計算機化的最簡便和可靠途徑。本文主要介紹可編程序控制器( plc )的基本工作原理、德國西門子可編程序控制器s5 - 115u和大型油輪鍋爐的典型系統,在此基礎上對用西門子s5 - 115u控制大型船舶燃油鍋爐進行了編程。
  15. At the same time, the implemental approaches of the genetic algorithm for water supply systems including both fixed and variable speed pumps were introduced. the direct optimal operation model and two - stage optimal operation model of water supply systems with one or more tanks were proposed, according to the hydraulic characteristic of storage tanks. appropriate fitness function of genetic algorithm was designed to solve upper level optimization and lower level optimization in two - stage optimal model

    在分析了蓄水池數學模型的基礎上,建立了含有蓄水池的供水系統優化調度二級尋優模型和直接優化模型,並設計了遺傳演算法適應度函數分別求解二級尋優模型中的一級、二級尋優,針對二級尋優出現無解的情況,提出了放鬆約束處理和對一級尋優得到的最優水池水位進行修正的方法。
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