河系型式 的英文怎麼說
中文拼音 [héxìxíngshì]
河系型式
英文
river system pattern-
At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。Building up the math - model of transient for the all hinge of riverbed power station with the kaplan turbine, building a simulation software for this kind of system and calculate the transient which take into account the effect of the ground swell on the riverbed. this program also can calculate the different kind of the kaplan turbine
針對轉槳機組河床逕流式電站的樞紐系統,建立了全樞紐過渡過程的計算模型,並且編制了相應的計算程序,進行了計及河床涌浪的全樞紐系統的過渡過程模擬計算,該程序能對同一樞紐中含有不同型號機組的電站同時進行過渡過程計算。According to the calculation formula of the ratio of pile and soil of compound foundation bearing capacity, and base on the calculation formula of the ratio of pile and soil given in this thesis, the relation model of rayl eigh wave velocity and gravel pile compound foundation bearing capacity is deduced
根據復合地基承載力應力比計算公式,基於本文提出的應力比計算模型的基礎上推導了瑞雷波速和碎石樁復合地基承載力之間的關系模型,建立了日本模型、武漢地區模型、下遼河平原模型三種模型的碎石樁復合地基承載力計算公式。Directed by new theories and approaches of sedimentology, diagenesis and reservoir evaluation, focused on marine clastic reservoir of donghe sandstone member, in tarim basin, strata and depositional system of donghe sandstone member are classified ; typical depositional facies types, depositional model and horizontal distribution have been studied through depositional facies analysis of 17 single wells, combined with seismic data. major diagenetic events, stages and " four history " collaboration have been systematically analysesed, furthermore, the relation between reservoir diagenesis and porosity evolution has been built ; thorough studies on reservoir lithology, physical property and pore structure, reservoir development related to depositional envoironment, diagenesis and tectonic has been discussed ; reservoir has been evaluated and predicted by five influential parameters drawn from the results of the study on depositional facies, diagenesis and reservoir characteristic. in the end, favourable reservoir body distribution has been pointed out
本論文以沉積學、沉積巖石學、沉積成巖作用與儲層地質學、儲層評價技術的新理論新方法為指導,以塔里木盆地巴楚組東河砂巖段海相碎屑巖儲層為主要研究對象,通過17口典型井的單井地層沉積相分析和成巖作用分析,結合地震資料,對東河砂巖段地層和沉積體系進行了詳細劃分,研究了東河砂巖段分佈區的典型沉積相類型、沉積模式及其平面展布特徵;系統分析了東河砂巖段碎屑巖儲層的主要成巖事件、成巖期次及其四史配置關系,指出了儲層成巖與孔隙演化的關系;深入研究了東河砂巖段碎屑巖儲層的巖石學特徵、物性分佈、孔隙結構等特徵,著重討論研究了沉積環境、成巖作用和構造作用對儲層發育的影響;運用「權重」評價法結合地層沉積相、成巖演化和儲層特徵研究的結果,選取了五個對儲層發育有重要影響的參數對儲層進行了整體的評價和預測,指出了塔里木盆地東河砂巖段儲層有利儲集體的分佈狀況。In the past, more emphasis has been put on the flow pattern and the division ratio of water and sediment discharge. in order to study the division characteristics, a theoretic model is proposed in this thesis, which combines the plan configuration of channels with the minimum energy dissipation rate theory
本文將河流動力地貌學中的平面形態和最小能耗率理論相聯系,研究分汊河道的分流特性,並推導理論分流模式;另一方面,通過建立二維水流數學模型,與理論分析結果進行比較。The present utilization and existing problems in water resource of the north of huaihe river in anhui are introduced. based on such research objects as northern guo river of bozhou, jiangtang of fuyang and key city zones, a mathematical model with systems engineering viewpoint is established and used to investigate in water resource problems in the area. the main contents are as following : ( 1 ) groundwater resource and present utilization ; ( 2 ) mensuration of calculational parameters of groundwater and calculational methods ; ( 3 ) economic parameters of irrigation areas ; ( 4 ) establishing northern wo river forecast model with finite element method, areal well - group method and water balance method ; ( 5 ) establishing optimal water resource allocating model for northern jiangtang and new cihuaixin river irrigation area and investigating in the combination of surface water and groundwater, optimal agricultural planting - mode and optimal distribution proportion of various water sources ; ( 6 ) some existing exploitation problems and advices about water resource in the area
本論文針對淮北地區水資源開發利用現狀及存在問題,以安徽亳州渦河以北地區、阜陽姜堂鄉和重點城市區為研究對象,運用系統工程觀點,採用數學模型方法,對該區水資源問題進行了綜合研究,主要內容為: ( 1 )地下水資源及開發利用現狀; ( 2 )地下水計算參數測定和計算方法; ( 3 )灌區經濟參數; ( 4 )採用有限單元法、面狀井系法、水均衡法,建立亳州渦河以北地下水位預測模型; ( 5 )建立阜陽姜堂及茨淮新河北部的農灌區水資源優化配置模型,應用系統分析的方法,研究地表水與地下水聯合運用,農業最優種植模式及各種水源的最佳分配比例; ( 6 )淮北地區水資源開發利用存在問題及建議。That the connotations, forming mechanisms, and the calculation methods on each element involved in water price are studied systematically and deeply. the water prices of luanhe basin, tianjin city and yinluanrujin iwt system in the typical year 2000 are calculated as the cases. the problems including the relationships between water price and water demand, as well as the bearing capacity of the consumer to water price are discussed
提出了水價構成的理論公式;對水價構成中各基本要素的內涵、形成機理及其計算確定方法進行了較系統深入地分析研究,並對2000典型年灤河流域、天津市和引灤入津調水系統的水價問題進行了實證研究;對水價與需水量的關系以及用戶對水價的承受能力等問題進行了一定的分析探討。The paper introduces the theory of health of urban ecosystem into the study of ecourban in connection of national ecourban building which is now in the ascendant, builds a health evaluation model of urban compound ecosystem according to related studies, using as the standard for judging the level of ecourban building ; decides the multi - index weight of the model by using the method of entropy right, avoiding a subjective judgment which might be caused by the method of subjective evaluation and ; applies the model into living examples of ecourban planning of nanyang city, describes the development level of each sub - system of nanyang city and other cities of henan province, the coordination level among each sub - system and the overall health statement of compound ecosystem in a quantitative way, providing scientific decision - making basis for ecourban building of nanyang city
摘要針對當前全國方興未艾的生態城市建設,將城市生態系統健康理念引入生態城市研究當中,根據相關研究構建了城市復合生態系統健康評價模型,作為評判生態城市建設程度的標準;利用熵權法確定模型中的多指標權重,避免了採用主觀賦值法可能帶來的臆斷性;將評價模型應用於南陽市生態城市規劃實例中,以定量的方式描述了南陽市以及河南省其他城市各子系統的發展水平、子系統間的協調程度以及復合生態系統的整體健康狀況,為南陽市生態城市建設提供了科學的決策依據。From the point of view of risk, a index system of risk assessment of winter wheat losses caused by drought was established, including the meanings, token models and estimate methods of risk index of natural water deficiency rate, risk index of yield reduction rate and trending vector coefficient of disaster resistance capability, then on the base of these indices, the comprehensive risk index model of losses caused by drought was established and regionalized. the results indicated : the high risk region included the middle north of shanxi, some of middle of shaanxi and some of hebei in east ; the higher risk region included some of middle of shaanxi, the tangshan region and some of west of hebei ; the moderate risk region included the middle of s
從風險的角度,建立了冬小麥乾旱災損風險評估的指標體系,包括自然水分虧缺率風險指數、減產率風險指數和抗災性能趨勢向量系數的意義、表徵模式和估算技術方法,在此基礎上構建了災損綜合風險模型,並對模型參數區域化,結果表明:冬小麥乾旱災損高風險區在陜西中北部、山西中部的部分地區和河北滄州的部分地區;較高風險區在山西中部的部分地區、河北的唐山地區和西部的部分地區;中風險區在陜西中部、山西南部、河北滄州的大部分地區;低風險區在陜西中南部、河南中北部、北京市、天津市、河北中南部和山東省。Dased upon the introduction of correlative theories, articles and viewpoints, this paper construes status in quo of current professional manager market of china and hebei province, and finds out the key problems ; this paper refers to the background and main issues of professional managers " selection, and the structure of managerial talents ; according to the presentation of dynamic standpoints in identifying the abilities of professional managers and the concept of degree of informational asymmetry, we obtain the conclusion that to some extent the talents of professional managers are identified ; then, we give models of factor analysis of anticipant costs and incomes in the process that study on the selection of manager ; based upon the character of informational incompleteness about managerial capability, this paper discusses predominance and inferior position about choosing in and out of the corporation and the problems of arrangement in pairs or groups for two modes ; finally, we put forward the measures and suggestions to settle the problems
本文在介紹相關理論和與論題相關的文章及觀點的基礎上,分析了中國及河北省當前職業經理人市場現狀,找出問題的關鍵;分析了職業經理人選聘的背景、存在的主要問題,以及職業經理人才能的結構;通過對職業經理人才能識別的動態性觀點和信息不對稱程度的引進,說明了在一定程度上職業經理人才能是可識別的;在此基礎上,論文引入了期望成本收益分析模型,對職業經理人的選擇進行較為系統的研究;基於職業經理人能力的不完全信息性質,指出企業內部選擇方式和外部選擇方式的優劣勢,討論了兩種方式的搭配問題;最後提出了解決措施和建議。本文的創新之處在於提出了期望成本收益分析模型,從企業和個人兩方面分析了職業經理人選聘過程。As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result
在系統開發過程中,首先採用mmg分離式數學模型及相關的系列化試驗結果,建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程,並編制計算程序,經與試驗結果比較,證實了計算結果的正確性;為了解mmg數學模型中模型參數變化對操縱性指數的影響程度,作者在上述已有程序基礎上,對有關模型參數進行偏移修正,探討了相應參數變化后的操縱性指數,對船舶操縱性指數對模型參數的靈敏度進行了詳細的分析與探討,所得結論與工程實際相吻合,具有實際應用價值,並為進一步提高船舶操縱性預報的精度打下了基礎;然後,在已有的船舶靜水操縱運動模型基礎上,考慮雙槳雙舵的影響,建立了內河雙槳雙舵船舶的操縱運動模型;最後,綜合考慮風浪流作用力的影響,進行了船舶的操縱運動模擬計算。This text is by way of would rather analyses the yellow river hydrology silt characteristic, river course property of ningmeng as well as after the long liu reservoir application to the influence of meng heduan, the importance would rather to have expounded that train in the ning meng river course. by way of analysing the present situation of the ningmeng course river course management and father, and puts forward the major problem that exists, and carries on corresponding countermeasure research be dead against these problems. according to property and the engineering present situation of river course, engineering experience and the correlation theory are used, to renovates the principle and renovates the scheme and the measure has carried on the analysis research of overall system
通過分析寧蒙河段河道整治及河道管理的現狀,提出存在的主要問題,並針對這些問題進行相應的對策研究。根據河道的特性和工程現狀,運用工程經驗及相關理論,對整治原則、整治方案和措施進行了全面系統的分析研究;對整治流量、整治河寬和整治半徑進行了分析和計算;對河道整治工程的幾種結構形式進行了分析和評價;提出了具體的整治措施及工程整體布局;對黃河上的幾種新型結構形式進行了特性分析以及功效評價;最後對寧蒙河段今後治理和研究提出了若干建議,並對前景進行了展望。In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment
懸沙輸運模型利用切應力方法來確定對流擴散方程中的泥沙源函數,其中的臨界起動速度利用經典的泥沙起動流速公式前面增加一個局地系數得到,這個系數能反映河床底質結構及固結程度,通過系列數值試驗和實測資料的統計分析確定。Distributed simulation study of multi - geographical process was carried out in the study area of lianshui basin, xingguo county, jiangxi province supported by rs and gis, using the simulation models system developed by usda. this project is funded by the national natural science fund titled " integration and systematization of mathematic models for soil and water resources study in a basin and its application "
本文以國家自然科學基金項目「流域土壤和水資源模擬模型的集成和系統化及其應用」為依託,選擇美國農業部開發的流域尺度的地理過程模擬模型,在遙感和gis技術的支持下,在江西興國縣的瀲水河流域進行了多種地理過程的分散式模擬研究。In this paper, the study status about freeze - up of domestic and overseas was discussed first, then based on thermodynamic theories and river ice hydraulic theories, using the observed data to calculate parameters, the freeze - up forecasting mathematical model in inner mongolia reach was established. in the model, the calculating method of heat exchanging coefficient was perfected properly, and the river characteristics was quantified for the first time. the forecasting result indicated that the model precision is high, and the freeze - up forecasting formula is all - purposed
本文首先論述了國內外有關封河研究的現狀,然後在此基礎上針對存在問題,以熱力學理論及冰水力學理論為基礎,利用實測資料率定參數,建立了內蒙古河段封河預報數學模型,其中對熱交換系數的計算進行適當的修改,並將河道條件量化考慮進封河預報數學模型中,證明預報精確度高,且各河段預報公式具有通用性。The study on the development model of agricultural science and technology park : make a comprehensive survey of the agricultural science and technology park development, statistical data on the agricultural science and technology park in the year of 2002 was applied to do macro analysis, with the result of development problems and propose the settlement. this study is conducted based on typical case study and theoretical analysis from the aspects of growing background, overall effect, operating model and the driving force in four national agricultural science and technology parks : shandong vegetables demonstrating park, henan xuchang national park, gansu dingxi park and beijing shunyi three - hi agricultural pilot model area. then analyse and sum up the general laws and different points. the creative research of this paper lines in raising the new theory of sci - tech agricultural industry organization for the first time, build up the theory analysis framework for agricultural science and technology park ; according to the theory analysis framework, sum up the development general model from choosing the national agricultural park in typical region ; build up th
運用典型案例剖析與理論分析總結相結合的方法,分區域按照發展成效在全國范圍內選取山東壽光蔬菜高科技示範園、河南許昌農業科技園區、甘肅定西旱作生態型農業科技園區和北京順義三高農業示範區,從園區的成長背景、建設發展的總體成效、運作模式和園區發展的動力等幾個方面對農業科技園區的發展進行了深入研究,並對園區發展模式的共性規律和差異之處進行了分析歸納;本文創造性的研究在於:首次提出了科技農業產業組織理論,構建了農業科技園區理論分析框架;根據這一理論分析框架,通過選取典型區域的國家農業科技園區進行實證研究,總結歸納了園區發展模式共同特徵並進行了差異分析;首次提出了適用於不同評價對象和評價意圖的三套國家農業科技園區評價指標體系,並創造性運用多元統計分析方法和系統分析方法對國家農業科技園區進行綜合評價。The stuffs from the nupper of the machine, falling into the high - speed rotating impeller, strike with other stuffs which more around the impeller because of high - speed centrifugal force. after they strike matually, whirling fluid is produced between the impeller andoutercovering. through repeatedly striking and rubbing, the stuffs are crushed into pieces and straightly come out of the lower. the operating process forms into closed circuit, circulate repeatedly and then attains the fineness of the product
制砂機機制砂生產線打砂機砂石料破碎生產線建築砂生產線制沙機打沙機河南重型機器廠是生產制砂機系列設備的專業廠家, pcl直通沖擊式破碎機制砂機用途廣泛,其性能已達到國際領先水。該沖擊破制砂機是目前最行之有效,實用可靠的碎石機器。In accordance with the problems existing in the present research, taking milky way mcar as the object of study, some creative work has been as follow : 1. a systematic introduction was given about the shaping method, characteristics and developing history of mcar. the present experimental and theoretical researches situations and the preliminary conclusions were summarized
本文以銀河拱型波紋鋼屋蓋為研究對象,基於國內外的研究及應用狀況,針對目前所存在的問題,主要進行了如下一系列有意義的研究: 1 、系統的介紹了金屬拱型波紋屋蓋的成型方法、特點、發展歷史,綜述了這種新型結構形式的理論、試驗研究現狀。Through such division, the author gives out scientific analysis and results on the chronological sequences and evolving process. part four : stage division. combined with porcelains excavated in henan province, the author divides white porcelains into four stages : the first on is from northern qi to sui dynasty, i. e. 575 a. d. to 617 a. d., sum to 105 years ; the second is from the early to prosperous tang dynasty, i. e. 618 a. d. to 766 a. d., sums up to 148 years, the third one is
在詳盡佔有出土白瓷材料和吸收前人相關研究成果的基礎上,本文首先對所收集到的河南地區出土的早期白瓷進行了器類劃分,並對主要器類進行了型式分類;其次,從出土白瓷的數量、工藝發展水平、歷史背景等方面綜合考慮,對河南早期白瓷進行了分期嘗試,確立了河南白瓷的四個發展時期;然後又初步探討了河南各遺存出土的白瓷的窯口歸屬問題,推定了一些白瓷的源流;最後,對河南早期白瓷窯與邢窯、定窯、耀州窯以及景德鎮窯的關系與交流情況進行了簡單地論證與分析。This type was adopted for the first time in cangzhou city and hebei province, and it is suitable for the region with poor foundation, it offers wide condition for the construction and it is economical, its exterior is handsome, especially suits for the bridge of city. this paper is of great importance for guiding the design and calculation for this type of bridge ; and it promates the research and application of the new type of cfst for the purpose of widely spreading it in the field even the resign
下承式鋼管混凝土系桿拱橋型式在滄州市乃至河北省都是首次採用,適于建於地基條件較差的地區,施工條件寬松,造價較經濟,外型美觀,尤其適用於城市橋梁。本文對今後該類型橋梁的設計計算和施工具有重要的指導意義,為在本行業乃至本地區繼續推廣鋼管混凝土這一新型結構的研究與應用起到了推動作用。分享友人