水動力綜合法 的英文怎麼說

中文拼音 [shuǐdòngzōng]
水動力綜合法 英文
hydrodynamic synthesis
  • : 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...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 綜名詞[紡織] (織布機上使 經線交錯著上下分開以便梭子通過的裝置; 綜片) heddle; heald
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地稻節灌溉技術進行優化研究,系統地分析了不同節灌溉技術對稻生理指標及產量的影響,採用了多目標模糊優化的方,對灌技術進行評判,優選了節灌溉技術,論證該地區宜採用稻控制灌溉技術;闡述控灌技術通過調節和控制稻的需規律,降低稻高產情況下的無效量消耗,從稻生理、生態節兩方面分析了控灌技術節機理,針對性地總結出稻各生育期實施節控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉態到株高,土壤分變化,抗病蟲害、抗倒伏能,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間鹽變化狀況,驗證控制灌溉技術在鹽堿地區稻灌溉中應用的適應性,通過分析稻控制灌溉淋洗條件下稻生理生態指標,提出優化控制灌溉+間歇淋洗組模式,為進一步在高礦化度地區試驗稻控灌技術奠定基礎。
  2. After entry of wto, there are still many maladjustments in guangxi ' s seed industry, such as the weak foundation of sees industry development ; the unformed market of the seed industry for fair competition ; small - scale seed enterprises ; no systematic connection among the cultivation, breeding and marketing ; lower qualification of staff who work in the seed industry and with weak sense of laws, and lack of the knowledge in operating experiences in the international market and trade etc. yet the un - efficiency system, unclear property right in enterprises, the lack of an effective mechanism to promote the rational use of resources in the seed industry and the lack of such concept as " the government creates environment and enterprises create fortune " are the deep - seated causes of the problems in guangxi ' s seed industry. therefore, the key points for promoting development of guangxi ' s seed industry under the wto framework are to focus on the promotion of the developing capability of seeds " integrated products, constantly deepen reforms, to adjust various relevant factors in the system of the seed industry which is inconsistent with each other, and to establish a new - pattern system with evident characteristics of the time spirit in order to meet the requirements of the market economy. hereinto, the specific strategies and measures for promotion of guangxi ' s seed industry development under the wto framework include kee ping up reform and innovation of the system of the seed industry, executing of non - nationalization reform in state - owned seed enterprises, formulating and executing relevant supporting policies, the improving the legal system in the seed industry, increasing public financial support on the seed industry, promoting the integration of cultivation, breeding and marketing, strengthening human resource development, developing the main body of the seed industry ' s market and making proper conditions for the functions of seed associations in the seed industry development etc

    研究結果認為:發展種子產業應該把著眼點放在促進種子整體產品的開發上;種子產業的發展依賴于能充分發揮整體功能的新型種業體系的構建,而目前廣西種業體系中的品種選育、種子生產加工、種子經營以及政府管理、公共支持和社會服務六個主要組成部分都存在明顯的缺陷與不足;廣西種子企業競爭總體處于較弱平;面對wto ,廣西種子產業仍有諸多的不適應,突出表現在產業發展基礎薄弱、尚未形成可以公平競爭的種業市場、種子企業規模小、育繁銷脫節、種業人才素質不高、種子企業律意識淡薄、國際市場運作經驗和國際貿易知識不足等多個方面,而體制不順、企業產權不明晰、缺乏促進種業資源理流的有效機制以及「政府創造環境,企業創造財富」的正確理念正是導致目前廣西種子產業不能適應入世需要的深層次原因;因此,以提升種子整體產品開發能為核心,不斷深化改革,調整種業體系中不相協調的各有關因素,構建起符市場經濟體制要求的具有鮮明時代特徵的新型種業體系,是wto框架下加快廣西種子產業發展必須堅持的指導思想;其中,加快種業體制改革和創新、實施對國有種子企業的非國有化改造、制訂落實有關扶持政策、完善種子規體系、加大公共財政對種子產業的支持度、推進育繁銷一體化的形成、加強人才培養與引進、壯大種業市場主體、實行重點突破戰略、發揮種子行業協會作用等等,都是wto框架下加快廣西種子產業發展應該採取的具體對策措施。
  3. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方在理論和應用方面的新成果,探索在計算方面的新途徑以促進lb方實用化的發展,本文進行了下列研究工作:述了lb方在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在邊界條件和通用邊界條件的基礎上提出了一種新的聯邊界條件方,它了上述兩種邊界條件的優點,在流場的各種邊界處理中取得了非常好的效果,經過模塊化的處理以後這種邊界條件具有更好的實用性;針對均勻網格的lb方計算效率較低的不足,提出了雙重網格的latticeboltzmann方,通過二維poiseulle流、后臺階流和渠道方槽流三個算例的模擬,證明這種方能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方的分塊-耦演算,利用lb方的計算特性實現塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算的特徵和優點,以及它所具有的應用前景。
  4. In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration

    本文用tti方研究了烴源巖有機質的熱演化史和油氣生成史,並結區內構造發育特徵,探討油氣在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓曲線和壓汞,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉類型,對可能存在的油氣藏進行了分類,並試圖從油氣的生成與運移、儲集條件、保存條件等方面,態地評價石炭系?下三疊統油氣成藏條件,並結構造演化特徵,預測其油氣藏類型和成藏模式。
  5. Ln power system full dynandc simulation, the electric - mechanical transient processes of dynamic elements of power system should be simulated in detail, and the detailed dynandc models of mid - term and long - term processes are necessary based on the research and analysis for the ndd - term and long - term models, the dynandc models, such as thermal power plant, hydraulic power plant, nuclear power plant and the automatic generation control ( agc ), which are necessary to power syst

    系統全過程態模擬除了需要詳細模擬電系統態元件的機電暫態過程外,還要有詳細的中長期過程的模型。本文在調查和分析的基礎上,研究了電系統全過程態模擬所需要的火電廠系統的數學模型、電廠態模型、壓堆核電站模型以及自發電控制( agc )模型及其演算,並在電系統全過程態模擬軟體中得到了實現。
  6. In appraisal items choosing, we divide the items into three categories : profits, risk adjustment, and fluidness. detailed appraisal items are also set up to mirror the funds achievement comprehensively. in appraisal method choosing, we adopt universality analysis and the common used data envelopment analysis ( dea ) together, i. e., analyze the score of the numbered items first, then use dea and the analyzing software ems to calculate the funds " relative validity and get a rank of fund comprehensive achievement, trying to reflect the funds items and performance objectively

    在基金的評價指標選擇方面:將基金的評價指標主要分為三大類:收益類、風險調整類和流性類,並設定了細分評價指標,求全面地反映基金的業績平;在評價方選擇方面:採用了一般性分析和基金評價中目前較為流行的數據包絡分析( dea )相結的方,即通過對指標的量化評分進行比較分析,通過數據包絡分析,利用ems分析軟體計算基金的相對有效性,從而進行業績排名,求客觀地評價基金的各項指標和績效。
  7. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,的活是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下位升高降低了滑坡體的有效應,另一方面是由於地下的長期浸泡降低滑體及滑帶的學強度,這兩方面的因素均將直接降低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的系和庫位在175m與145m間變化時滑體條塊的受變化,從而使對作用於滑坡體上的系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、雨季(暴雨或長期降雨狀態) 、 175m庫位、地震以及庫位由175m調節下降至145m等各種不同情況的有機組,本文系統地歸納總結出了10種典型計算工況,並具體給出了相應的作用荷載的計算方,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性分析評價方對三峽庫區的滑坡穩定性分析是實用可行的。
  8. So, optimization of breakwater planning is of great practical value and should be resolved immediately. at first, the paper narrates the development of numerical modeling, which includes shallow water dynamics theory and method, and compares the boussinesq model and mild - slope equation model. the purpose is to select one model that best fit for wave calculation in harbor engineering

    本文首先述了波浪數值模擬的發展概況,其中包括淺學的常用理論和方,並詳細比較了目前使用較多的boussinesq模型和緩坡方程模型,其目的是選擇其中較為適港區工程波浪計算的模式,並將其作為優化模型的驗證或用於適應度計算。
  9. Counters for applications for various permits and certificates for trade or import export purposes of the agriculture, fisheries and conversation department, applications for incorporation and registration of companies, public searches of the companies registry, registration services for medical and healthcare professionals, registration and licensing services relating to chinese medicines, school dental clinics, sai ying pun dermatological clinic and chai wan social hygiene clinic of the department of health, shroff for receiving payment of debts damages of the department of justice, some support services to schools, teachers and the general public provided by the education and manpower bureau, registration services for electrical workers, lpg cylinder wagons, lifts and escalators, builders lifts tower working platforms and amusement rides provided by the electrical and mechanical services department, processing of sick leave clearance for employees claiming work injury compensation by the labour department, sections dealing with family litigation and insolvency matters and criminal matters of the legal aid department, licensing and port formalities at four marine offices and advance booking of professional ship surveying and inspection service of the marine department, services for offenders and medical social services at department of healths kowloon bay integrated treatment centre provided by the social welfare department, road driving tests and driving ability assessment services to people with disabilities provided by the transport department and customer enquiry centres and meter testing services of the water supplies department will move to a five - day week with effect from january 1, 2007

    漁農自然護理署處理貿易或進出口許可證和證明書申請的櫃臺公司注冊處的申請注冊成立公司及辦理公司登記服務公眾查冊生署的醫護專業人員的注冊服務中醫藥注冊和發牌事務學童牙科診所西營盤皮膚科診所及柴灣社會生科診所律政司的接收償還債款損害賠償繳費處教育統籌局為學校教師和公眾提供的部分支援服務機電工程署的電業工程人員石油氣瓶車升降機及自梯建築工地升降機塔式工作平臺及機游戲機的注冊服務勞工處為申索工傷補償的雇員辦理銷假手續律援助署負責處理家事訴訟清盤及刑事事宜的組別海事處的四個海事分處的發牌服務及關務專業船舶檢驗及檢查服務的預約服務社會福利署的違者服務及於生署九灣治療中心提供的醫務社會服務運輸署的路試駕駛考試及殘疾人士駕駛能評估服務,以及務署的客戶諮詢中心及表測試服務等,都會在二零零七年一月一日起推行五天工作周。
  10. On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand

    在分析國內外已有關于小城鎮土地利用的理論與評價方的基礎上,首先對小城鎮在我國的發展、地位和作用進行了深入的分析,判明我國小城鎮發展經歷了一個曲折向上的發展階段,已成為鄉鎮企業的載體,農村剩餘勞的蓄池,城鄉物資交流的樞紐,農村精神文明的基地,是我國城市化的重要途徑;其次,對小城鎮土地資源利用現狀和特徵進行了探討,並對發展小城鎮建設導致的土地利用問題進行了剖析,表明目前我國大多數小城鎮土地效益和規模效益低下,佔用耕地過多,直接影響農業的發展,影響小城鎮的地位和作用;通過小城鎮土地供需分析研究表明,我國土地短缺十分嚴峻,小城鎮土地需求缺口較大,小城鎮必須理利用現有土地,增強集約功能和土地經濟效益,從而緩解需求壓;最後,論文通過運用特爾菲,描述統計分析、多元統計分析(主成分分析)和系統分析中的層次分析( ahp )等一系列方,結定性和定量兩方面,從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析,篩選、建立了土地資源利用評價指標體系,在因子評價的基礎上,建立了土地利用評價模型,並給出了評價過程和方
  11. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上,運用礦料體積進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方分析礦料級配和孔隙率之間的關系,並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的理級配;通過對不同孔隙率典型級配混料的性能研究,學和功能性能,得出了ogfc的理孔隙率范圍:針對高速公路面層對ogfc學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復改性的方開發出了適ogfc的高粘度改性瀝青,摻加聚物纖維,提高ogfc的最佳瀝青用量,進而改善了混料的高溫性能和抗損害性能,優化設計出能滿足高速公路路用性能,車轍穩定度達5000次/ mm以上,融劈裂強度比90 ,透系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混料。
  12. This paper gives a review on the five analysis approaches of fluctuation pressure on the hydraulic structures and hydromachines : the method of probability and random process, the method of time - space correlation, the method of fitting data, the method of distribution hypotheses on the data of test survey stations, and the hydromechanics method

    摘要述了工建築物及利機械上脈的五種分析方:概率和隨機過程;時空相關;數據擬;根據實驗測點數據分佈假設;流體學方
  13. With the retrospection of the developing course of the bored pile foundation and combining with my practical experience, the paper expatiates upon the design principle of percent of fit of the stone - fill grouted concrete and the main factors of the influence strength target, and the final pile technique introduction of the hollow pile of the stone - fill grouted concrete and the precast prestressed concrete ; baesd on the theory of slurry hydraulics, empirical calculation formulas of the radis and height of diffuse slurry are deduced in this paper ; it analyzes the test pile materials of the hollow pile foundation, such as luoyang yi river bridge and dangwang jian river bridge ; the new technique of the hollow pile, which provides the generalization and application with base materials, expounds its feasibilities, adaptabilities and economy

    本文通過分析國內外鉆孔樁基礎的發展歷程及研究現狀,重點討論了填石壓漿混凝土空心樁、預制預應混凝土空心樁的成樁工藝、填石壓漿混凝土的配比設計原理及影響強度指標的主要因素;根據泥漿學原理,導得了考慮各種因素的泥漿液在預填骨料中的流影響半徑和上升高度;結河南省洛陽伊河大橋、黨灣澗河大橋工程實踐,討論了填石壓漿混凝土空心樁基礎的質量檢測方及標準;並在此基礎上,深入分析了樁側、樁端承載能,提出了填石壓漿混凝土空心樁的設計計算理論和方。最後,論證了空心樁新工藝的可行性、適應性、經濟性,為大推廣應用空心樁新技術提供了可靠的技術資料。
  14. Based on integration of " high yield & benefit and good grain quality of modeled cultivation of foodstuff crop ( rice ) and its consultation system ", this thesis sets it ultimate goal to deal with the knowledge discovery in the consultation system of simulation - optimization decision making in quality and high - yielding rice cultivation. after a close study of the features of the database in rice cultivation, this thesis introduces the system engineering theory of agent aralysing and designing and offers a practical new way to promote the intelligence of the knowledge discovery system in rice cultivation database, to improve the efficiency of data mining and the human - computer interactive ability to realize the integrated knowledge - based combination between human and computer or among the sub - systems

    本文以廣西「糧食作物(稻)兩高一優模式栽培技術集成與咨詢系統研究」為背景,以基於專家系統( es )的稻優質高產栽培模擬優化決策咨詢系統的知識獲取問題為導向,針對稻栽培數據庫的特點,從系統工程角度引入面向agent的分析與設計思想,提出一種用多agent從稻栽培數據庫中發現知識的人機作、半自的知識獲取方,實現利用多agent的自主性、反應性和社會性,提高稻栽培數據庫知識發現系統的智能平、數據挖掘效率和人機交互能,實現人機之間、各子系統之間基於知識的柔性集成,為稻栽培知識發現提供了一條新的可行途徑。
  15. Adopting the actual county - grade database of land use firstly founded in china, combining with the comprehensive influential factors of land use change, using the correlative statistic software and the mathematic analytical methods ( principal component analysis, gray relating analysis, multivariate time series markov chain analysis, multivariate regression analysis, gm ( 1, 1 ) gray model, gray series gm ( 1, n ) model methods etc ), this paper analyses the dynamic change of land use and driving force in jiang ' an county qualitatively and quantitatively. the results indicate : 1 the land resource per capita and the area of single - land - use type in jiang ' an county are not prior to other places in yibing city or sichuan province. however, the terrain is dominant in choosing the way of land use

    本文採用全國首批建立的「縣級土地利用現狀數據庫」的基礎數據,結影響土地利用變化的經濟、社會、環境等因素,採用相關分析軟體( dps 、 spss )和數學分析方(主成分分析、灰色關聯度分析、多元回歸分析、多元時空序列馬爾柯夫鏈分析、 gm ( 1 , 1 )預測模型分析、灰色序列gm ( 1 , n )模型分析等方) ,對江安縣土地利用變化及其驅進行定性、定量研究,研究結果表明: 1江安縣人均總的土地資源數量和單一土地利用類型的數量在宜賓或四川省區域內均無優勢;地形對土地利用方式的選擇起著主導作用;土地利用變化的總趨勢是:耕地、林地、交通用地和域面積不斷減少,居民點及工礦用地和未利用地面積不斷增加;景觀多樣性指數呈現「 」趨勢。
  16. In the end, the decision - making order of scrolling development of cascade hydropower stations is obtained under different power demands by comprehensive analysis

    然後運用多種方進行分析,運用電電量平衡方論證開發方案的適應性,通過分析得到了不同電需求下的梯級電滾開發決策順序或者可接受的編序。
  17. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    (三)採用模態疊加針對爆破作用,進行邊坡的響應分析,得出了以下結論: ( 1 )振頻率為0 . 3hz時,坡面頂部平向加速度峰值最大;考慮,可認為該邊坡的自振頻率為0 . 3hz左右; ( 2 )地形對爆破地振存在放大作用,研究剖面的坡面,平向加速度及位移在地形相對高差45米左右最大,而後隨相對高差的增高而減小,相對高差為100米時,平向位移及加速度絕對值均大於坡腳; ( 3 )強迫振段,平向加速度值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越小; ( 4 )當爆破振速較小時,變形破壞的形式表現為坡頂表面滑塌型。
  18. In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges

    本論文採用三準設防、兩階段設計方、彈性反應譜計算理論,運用橋梁結構非線性地震響應分析程序nba ( theprogramofnonlinear ? aseismicanalysisforbeambridge )進行計算;通過收集大量的實橋設計資料,經分析計算,歸納總結出計算上下部結構相對位移的簡便計算方;並國內外的經驗值,提出梁的支承長度se的設計原則;同時運用學突加荷載的原理,推導分析了預應鋼絞線式(鋼棒連接式)落梁防止裝置設計承載的計算方和設計伸長量s _ f的取值;最後本文通過實橋計算,說明了落梁防止系統設計的方
  19. Due to the influence of the corrosive agents in the outer environment, the resistance and dynamic reliability of the chemical structures declined with time very fast. and it is difficult for the chemical structures that with the normal design reliability level to fulfil their structural functions. on the condition that the design service life is confirmed, the design reliability level of the chemical structures should include the corrosive environment and its effect on the structures. based on agents ' corrosiveness fuzzy classification, this paper suggests a practical method on design reliability level decision - making of the industrial structures, which is very useful for the anti - corrosion design of the industrial structures

    化工結構由於受到外部腐蝕性介質環境的影響,其承載能態可靠度平隨使用時間衰減過快,按照普通結構設計可靠度平設計的工業建築常難以順利完成設計使用功能.因此,在設計基準期預先確定條件下,化工結構的設計可靠度平應考慮腐蝕性環境及其對建築結構的影響特點來決策.根據介質腐蝕性模糊分級,提出了工業建築設計可靠度平的一種實用決策方
  20. After the overall evaluating the waterway of fuzhou city is given in this dissertation, the software of surface - water modeling system is adopted to construct the hydrokinetic modeling and water quality modeling for a part waterway. the method of respondent coefficient is adopted to calculate the water environment capacity, and the pollution loading rate needed to be cut down is got

    本文在對福州市城市內河進行評價后,採用地表環境模型系統( sms )軟體對其中一段內河進行了學和質模擬,並採用影響系數計算了理想的環境容量,得出需要削減的污染負荷。
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