測深化學管的 的英文怎麼說
中文拼音 [cèshēnhuàxuéguǎnde]
測深化學管的
英文
brass sheath- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 深 : Ⅰ形容詞1 (從上到下或從外到里的距離大) deep 2 (深奧) difficult; profound 3 (深刻; 深入) thor...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 的 : 4次方是 The fourth power of 2 is direction
- 管的 : ductal
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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。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。There are many methods to detect the quality of the buried pipeline coating, and the advantages and disadvantages of these methods are studied intensively. electrochemistry method which can detect faults of coating and peel them off at the same time is proposed
埋地管道塗層質量檢測方法多種多樣,深入研究了各種方法的優缺點,並最終提出了能同時檢測破損和剝離缺陷的電化學方法。In the present paper, based on the general analysis of status in agricultural industrialization in taizhou, author suggested that the practices of agricultural industrialization locally has been well developed, which may be proved by the following facts : ( 1 ) the leading industry of agriculture has been gradually formed and enlarged, and meanwhile the production of dominant products with the remarkable characteristic of the local zone has become into the larger scale ; ( 2 ) the scale and number of the leading industries and markets for agricultural products are greatly enlarged, with a significantly increased capacity in demonstrating and stimulating others ; ( 3 ) the organization of the special industry in rural areas is consistently developing and name brand projects of high - quality agricultural products has showed the effective results ; and ( 4 ) the governments of all - levels pay more attention to the agricultural industrialization, which provides a nice environment for healthful development of agricultural industrialization. the proposes for promoting 8 major leading industries, including fruits, aquatic products, animals, flowers, melons, tea, food and forestry products are made for development of local agricultural industrialization in the paper, and the main strategies for enhancing agricultural industrialization is also discussed
本文結合臺州實際,提出了臺州農業產業化經營中,果品類、水產類、畜禽類、花卉類、瓜菜類、茶葉類、糧食類和林產品等八大主導產業的開發建議,並探討了加速推進農業產業化進程的主要對策:深入研究農業產業化經營的相關理浙江大學農業推廣碩士學位論文論,充分認識實施農業產業化經營在推進農業、農村現代化建設中的地位和作用;全面實施龍頭帶動戰略;加快農村專業合作經濟組織建設,努力提高農民的組織化程度;加強農業基礎設施建設,加速推進農業綜合開發;加快農業科技進步,建立適應農業產業化要求的農業科技運行機制;加速推進農業信息化:加強農業標準體系和農產品質量安全檢測檢驗體系建設;加強農業產業化經營的風險管理。This paper is consisted of two major parts : one deals with the general working performance of the fmghp by setting up mathematic model and developing computer procedure, getting the datum related to the capillary flow and heat transfer, analysing the working characteristics of fmghp in different working temperature, heat flux and inclination angle etc. in this part, the prediction of capillary and boiling limit are also included. the other major part studies the flow and heat transfer characteristics in the micro - film region formed by the meniscus attached on the metalic fin in the micro rectangular groove. investigations on the influence of width of groove and other factors on heat transfer in this region have been made. the importance of this micro - region in the heat transfer of the entire heat pipe has been unveiled. the heat transfer characteristics gotten by this research could be used in design and application and also optimization of this kind of fmghp
本文在大量查閱現有國內外文獻的基礎上,總結並綜合前人有關微槽平板熱管理論研究方面的成果,對單面刻有槽道的微槽平板熱管進行了較為深入和細致的研究。本文的研究共分兩大部分,其中第一部分考察了該型熱管的整體工作表現,通過建立數學模型和開發相應的計算程序,得到了熱管內部毛細流動和傳熱的數據,分析了熱管在不同工作傾角、不同加熱熱流以及不同工作溫度等情況下工作特性的變化規律,考察了汽液界面上的剪切作用對熱管傳熱量的影響,並且進一步在理論上預測了該型熱管的毛細和沸騰極限。The scheme is based on the asynchronous teaching and individualized learning model in internet. the system is loaded into ‘ the information system of educational administration ’ and tested. in the end the overall and security performance of the system and the prospect is analyzed deeply
本文採用基於internet網異步講授和個別化學習模式的實現方案,設計了一種基於web的遠程教育系統,並載入了「湘潭大學教務管理系統」做了測試,最後對系統的整體性能、安全性能以及研究的前景情況進行了深入地研究和分析,給出了系統運行的情況和性能分析結果。It studies the operation systems and the management systems of the investment project of road bridge. also it sets up the relative model of evaluation after the investment project of road bridge. it seeks for the scientific and reasonable quantification solution of the determination of the nature of target, then takes out the quantification analysis ; in the meantime, the forecast model of dynamical uncertainty sets up to predict the operational profits of the project in the future periods, so as to scientific evaluate and analysis to this project with the result of predict
本文從路橋投資項目的特點入手,首先將后評價的視野向前後兩個方向深度拓展,研究了路橋投資項目后評價的監督機制、管理機制和執行機制,構建了路橋投資項目后評價的數學模型,尋求定性指標科學、合理的量化方法,並對其進行量化分析;同時,建立動態不確定性預測模型,對項目未來一段時期的運行效益進行預測,並根據預測結果對項目進行科學的評價和分析。The conductive behavior of asphalt mixture can be improved with the addition of conductive materials, thus a multifunctional asphalt concrete can be obtained, which would have a profound effect on pavement deicing, damage testing, highway traffic monitoring and so on
通過摻入適量的導電相材料,改善瀝青混合料的電學性能,可望獲得多功能的瀝青混凝土,將會對瀝青路面冬季融雪化冰、路面損壞檢測、公路交通智能化管理等產生深遠的影響。Track maintenance technology is raising while high speed railway was developed in abroad. the developed countries like japan, french and german etc. had made their own high speed track management code. strict managing track smooth qualities by using advanced track measuring car, exhibiting their maintenance level by using advanced measuring system, mechanism construction, scientific diagnosis and automatic management technology
國外高速鐵路迅猛發展,線路維修養護技術水平也不斷提高,主要表現在採用先進的檢測系統、高度機械化作業方式、科學診斷和自動化管理方面。我國鐵路近十年取得了很大的發展,經歷了四次大提速, 1998年8月開始,我國引進瑞典x2000擺式列車在廣深線試運行( 200km h ) 。分享友人