水文化學動態 的英文怎麼說
中文拼音 [shuǐwénhuàxuédòngtài]
水文化學動態
英文
hydrochemical regime- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 文 : Ⅰ名詞1 (字) character; script; writing 2 (文字) language 3 (文章) literary composition; wri...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 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
- 水文 : hydrology水文測驗 hydrologic survey; 水文成因分析 hydrologicall genetic analysis; 水文地理學 hydr...
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Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process
論文在對研究區土地荒漠化現狀野外調研和不同時相( 1987tm 、 1996tm和2000ccd )遙感圖像土地荒漠化信息提取和演變分析的基礎上,結合研究區已有的多元信息基礎資料及研究成果(包括地質、地理、多時期的水文氣象、經濟、人文以及dem數據等) ,運用gis強大的空間分析功能和概率統計、曲線估計、邏輯分析、主成分分析、層次分析等數學方法綜合研究了土地荒漠化與各驅動因子之間的相關關系,揭示了研究區土地荒漠化的主要驅動因素,探討了荒漠化動態演化規律。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。According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain
根據《隨機水文學》理論中的時間序列分析法,建立了適合三江平原井灌水稻需水量預報的非平穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江平原井灌水稻降雨預報的月平均降雨模型;根據最小二乘法,計算出幾種常用水分生產函數中的敏感指數及敏感系數,進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實數編碼的加速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )相結合,推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。From i planned for ink and wash ? exhibition of works of ten famous chinese painters to the later southeast china ? exhibition of chinese oil painters sketch works, once upon a time at west lake ? exhibition of stories and archives of west lake and 11 artists, a painting a world ? exhibition of works of contemporary young and middle - aged chinese ink and wash painters, natural scene ? exhibition of works of emerging painters in jiangsu, zhejiang and shanghai, and series exhibition of flowers and birds, waters and mountains, and figure paintings of artists of zhejiang, jiangsu and shanghai, all of these exhibitions actually reflected my observation and thinking over the cultures of jiangsu, zhejiang and shanghai from the point of comparison
從我策劃水墨狀態?中國畫名家十人展開始,到后來的在江南?中國油畫家寫生展、曾經西湖?一個西湖和十一位藝術家的故事文獻展、一畫一世界?當代中青年水墨畫家邀請展、自然風?江浙滬新銳畫家邀請展和江浙滬花鳥、山水、人物系列展等等,這些展事活動全過程事實上是我從比較學的角度對江蘇、浙江和上海三地文化所做的觀察與思考。Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method
研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。Focusing on the sanyang wetland in wenzhou of china, and inspired by the principle of life and cosmos from taoism, the plan analyses the rules of water regime, lifecycles and cycling human productive behaviors ecologically, and tries to combine them through an efficient spatial - temporal organization to make " everything take its own course naturally ", in order to respond to complex challenges faced by the project : agricultural production, environmental deterioration, flood threat as well as habitat regeneration
選取溫州三?濕地為研究對象,汲取道家對于生命和宇宙規律的認識,對水文周期、動植物生命周期和人類生產活動周期的規律進行生態學研究,試圖通過經濟有效的時空布局將其巧妙嵌套,讓萬物「自然而然」自行其道,以回應基地面臨的農業生產、環境品質惡化、洪水威脅以及棲息地再生等復雜的挑戰。In this dissertation we research the inversion pattern of three water through environment isotope information analysis, evaporation pattern analysis and inversion analysis of groundwater ; quantitatively analyse inversion amount through rule computational method and numeric value imitation, supplying scientific foundation for evaluation of water resources and rightful development and use
論文通過環境同位素信息分析、潛水蒸發試驗分析、近河岸地帶地下水動態分析研究三水轉化規律特徵;採用常規計算方法和數值模擬方法,定量分析地下水各轉化資源量。為研究區水資源評價及合理開發利用提供了科學依據。According to the theory of hydrology, hydro - chemical and hydrology, geology and isotopic geo - chemical, and the method of non - linear regression mathematics, the author researched and analyzed the cause of formation and variable features of lakes in jiuzhai valley, then draw the conclusions as follow 1
以水文地質學、水文地球化學、地質學、同位素地球化學的理論為依據,並結合非線性回歸數學方法,對九寨溝湖泊成因和動態進行分析研究,得出如下結論: 1The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation
本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:沙坡頭地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉速率最大,即群落結構變化最大。This paper firstly introduces the phylogeny and actuality of tide - power stations ; the development style of them ; and then, establishes the mathematics model of optimal regulation of tide - power stations ; narrates how to use eq, dynamic programming, genetic algorithm to solve the problem of optimal regulation of tide - power stations individually ; makes comparison of three kinds of methods, pointing out the excellence and weakness of each method ; discusses some particular problems of tide - power stations, differing from normal water power stations. besides, this paper uses vb to develop an optimal regulation software which can be used in all tide - power stations
本論文首先介紹了世界潮汐電站的發展史及發展現狀;潮汐電站的建庫方案;然後建立潮汐電站廠內經濟運行和短期優化調度的數學模型;在此基礎上,進一步使用等微增率法、動態規劃法和基因遺傳演算法來求解潮汐電站優化調度問題,並對三種方法作了比較,指出各自的優缺點;論文也探討了潮汐電站優化調度中不同於常規水電站優化調度的特殊問題的處理方法。The present studies aimed to find the responses of neurons and glias in the target and other brain areas of the linear accelerator - irradiated rats. in the first experiment, time - dependent neurons changes in the brain after hemispheric irradiation at an single - fraction maximal dose of 20 gy were observed by investigating the expression of an immediate early gene, fos protein. the results shown : compared with that of the un - radiated rats, the expression of fos protein in the irradiated brain decreased distinctly 24 hours and 1 week after irradiation
首先,利用即刻早期基因fos的表達,做了同一照射劑量( 20gy )照射大鼠半腦后不同存活期間( 1d , 7d , 14d , 2ld , 28d )大鼠全腦神經元動態變化的觀察,發現:受照射后1d 、 7d大鼠腦內各部位fos蛋白表達均明顯減少,隨著時間的延長,其fos免疫反應性細胞數量逐漸增加,照射后28d ,延髓、第四軍醫大學碩士學位論文腦橋內hs免疫陽性細胞數量恢復並超過正常對照組水平,但中腦、間腦及端腦內未恢復到正常對照組水平。The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics - like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic ; the empirio - equations of soil water retention curve including temperature and the empirio - equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better
本文以水熱耦合效應為主題,基於研究對象的動態變化特徵,應用化學動力學原理,建立了含水、熱因子以及水熱耦合效應的土壤水分蒸發、肥料氨揮發動力學方程,以及施入土壤中的尿素轉化為銨態氮的動力學型方程;為使水勢?含水量關系式更好適應變溫條件應用的要求,建立了含溫度因子直接表徵土壤持水曲線的經驗方程,以及含溫度因子的穀苗葉水勢與土壤含水量關系經驗方程。On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models
論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域,在對評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上,概化了其水文地質條件,構建了相應的地下水資源評價概念模型與數學模型,並給出其數值解法和相應的計算流程;論文在介紹數學模型的兩種常用數值解法和模型空間離散的矩形網格生成技術的基礎上,實現了基於gis的評價模型空間離散矩形網格的自動生成;最後,論文從基於gis的評價模型基本信息管理、模型空間時間離散方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成,並將模型評價結果可視化。For the practice of the water supply system of three gorges project construction, this study set up a microcosmic hydraulic model. at the same time, it set up the forecast model by the analysis of time series in water consumption both by day and by hour. and finally, the study states an optimal decision mathematics model, which aims at making the least power consumption during the water supply
針對三峽工程施工供水系統的實際,本文建立了供水系統的微觀水力分析模型;同時,採用時間序列分析方法建立了日用水量和時用水量預測模型;最後,建立了以總耗電量為最優目標的優化決策數學模型,並採用動態規劃方法進行模型的尋優計算。Abstract : according to working characteristics of the mechanical construction system of cement concrete pavement, this paper presents the mathematical model of this system by applying the theory of stochastic service system to describe the motion law of the mechanical construction system
文摘:根據高等級公路水泥砼路面機械化施工工藝,利用隨機服務系統理論,提出了水泥砼路面機械化施工系統的數學模型,動態地描述了水泥砼路面機械化施工系統機械運行的一般規律A dynamic model for dissolved inorganic nitrogen ( din ) and phosphate ( po4 - p ) cycles and budgets in jiaozhou bay was established according to the principles of d - n - p - z model. in the model, 6 state variables ( din, po4 - p, phytoplankton, zooplankton, organic detritus, and dissolved organic nutrients ) were included. logically this model was divided into three modules - nutrients input, nutrients cycle in seawater, and output of both dissolved substances ( e. g
本文根據n ? p ? z ? d模型的基本原理,建立了膠州灣氮、磷營養鹽循環收支動力學模型,主要包括營養鹽輸入,營養鹽生物、化學遷移和轉化內循環,溶解態和顆粒態物質水動力輸出3個邏輯模塊,涉及溶解無機氮( din ) 、磷酸鹽( po _ 4 - p ) 、浮游植物、浮遊動物、有機碎屑和溶解有機態營養鹽6個狀態變量。This research is a part of the liaoning natural science fund - " study on the mechanism of saving water and cost for the rice planting technology of germinated rice seed direct sowing with recycling paper mulching " ( 20022082 )
本研究是遼寧省自然科學基金「紙膜覆蓋水稻種植工藝及其作用機理」 ( 20022082 )的一部分。本文在查閱了國內外大量文獻資料的基礎上,研究了國內外節水技術的研究動態和水稻種植機械化的發展。The thesis analyse the dynamic characteristic of heat - exchange equipment from the regulation channels and interference channels by the way of system simulation, and confirm the law of dynamic response of the second average temperaure when the first flow ( or temperature ) or the second flow change, and finish the design of heat power station ' s energy regulation system hereby it. at last, it simulate heat - exchang equipment and heat power station ' s energy regulation system by using matlab / simulink
本文用系統辨識的方法分別從調節通道、干擾通道對換熱器動態特性進行了分析,確定了當一次側流量(或溫度)或二次側流量變化時,換熱器二次側供回水平均溫度的動態響應規律,並據此建立了換熱器數學模型組成了熱力站能量控制系統。最後用maflab / simulink對換熱器和熱力站能量控制系統進行了動態模擬。In this paper, we analyze the statistic characters of time - delay in detail, and put forward to adopt elman nn to forecast time - delay intelligently, design appropriate compensator based on adaptive smith forecast theory. the experiment results prove that this method can improve the forecast accuracy and system ' s dynamic performance. in the application of real time data transmission, forward error correction ( fec ) is a good method to resume the lost data
針對這個問題本文進行了詳盡的統計特性分析,並且提出採用elman動態神經網路結構對網路時延進行智能預測,並根據自適應smith預估補償控制原理設計合適的時延補償器,並且應用於基於web的二階水位控制系統中,實驗結果證明了採用此方法可以提高預測精度,使時延補償器適應時延變化的動態性更強,從而在保證系統穩定性的基礎上,西安理工大學碩士學位論文提高系統的時延補償精度。In this dissertation, the structure character of the marine boiler was introduced, the dynamic characteristic of it was analyzed, and a dynamic mathematical model of the boiler steam - water system was established. based on this model, a simulation model was obtained, and it was used to simulate the working process of the marine boiler
本文介紹了船用鍋爐的結構、特點,根據其工作過程及運行工況,分析了船用鍋爐所特有的動態性能,在此基礎上建立了船用鍋爐汽水系統的動態數學模型,並將此模型轉化為模擬模型對其進行了模擬研究。分享友人