比重修正因數 的英文怎麼說

中文拼音 [zhòngxiūzhēngyīnshǔ]
比重修正因數 英文
specific gravity correction factor
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ動詞1 (修飾) embellish; decorate 2 (修理; 整治) repair; mend; overhaul 3 (寫; 編寫) write;...
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 數副詞(屢次) frequently; repeatedly
  • 比重 : 1 (部分在整體中所佔的分量; 比值) proportion 2 [物理學] (物體重量和其體積的比值) specific grav...
  1. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方面的一些最要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參,也說明了壓汞法測孔對研究結果的影響素,指出了壓汞法在孔結構研究中的局限性;第三章是著分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔系統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參進行了相應的試驗據對分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的對混凝土強度計算產生的影響,檢驗模型的確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  2. In optimal decision model : ( t ) nine main environmental impact indexes are summarized and qualmed from the main aspect of environmental impact of road construction based on the principles of comparability and measurability ; ? calculate each index with analytic hierarchy process, and introduce the concepts of educing matrix and absolute coincidence matrix to adjust judgment matrix in order to meet with satisfactory consistency ; ( 3 ) introduce the distance to calculate the weight of expert ; ? analyze the relationship coefficients with gray relationship method, then integrate the weights of indices and experts with them to obtain the compositor of ail of the schemes

    在方案優選模塊中:針對公路建設中環境影響評價滯後於公路建設的現象,將環境素的影響提到設計階段,並對環境指標進行了點分析,提出了用於選的9個定量指標;採用層次分析法確定各級指標的權,並對判斷矩陣予以;引入距離測度的概念解決各專家的權值問題;運用灰色關聯法分析各指標的關聯系,並結合指標權、專家權,最終得到各方案的關聯度優劣排序。
  3. And the last, some sea trial results show that the match among the main engine and propeller is slightly heavy for the real vessel construction. although the reasons are very complex, most of them can be resolved by the method of propeller trailing edge modification. because of lack of guidance in theory, the actual quantities of modification were very difficult to decided and lots of quarrels may be raised between the shipyard and the owner before

    最後,針對實際船舶建造過程中,部分船舶的試航結果表現出來的機槳匹配稍問題,雖原較復雜,但絕大部分可以採用螺旋槳隨邊的方法解決,為沒有理論據給予指導,很容易引起爭議,在具體量上較難卻定,其後的螺旋槳工況更難準確預報。
  4. Multi - span plastic greenhouse structure design theory has been studied systemic which include design loads, design methods and system optimization designs aimed at the situations above - mentioned, meanwhile, theory analysis and designs have been completed for series east - china multi - span plastic greenhouses in accordance with the local climate characteristic. some elementary conclusions are summed up : ( 1 ) in the aspect of multi - span plastic greenhouse structural design loads researches, based on the contrast analysis of loads provided in foreign and chinese standards, analysis and discussion are mentioned about the definition loads, the estimation and load cases for multi - span plastic greenhouse structural design in details, some conclusions are summed up first : i, wind load : under the present conditions, it is unnecessary to

    得到一些初步的結論: ( 1 )在連棟塑料溫室結構設計荷載研究方面,從分析較國外關于溫室建築及我國工業與民用建築設計荷載規范的角度出發,針對連棟塑料溫室結構設計中的荷載定義方法、計算取值、荷載組合等進行了較深入的探討和分析,首次得到以下結論: 、風荷載:在現有條件下,考慮風壓高度變化系、陣風作用子和風荷載體型系,按中國建築結構荷載規范( cbj9 ? 87 )計算風荷載是可以的,不必進行現期博士學位論文摘要
  5. Secondly, on the premise of the principle of minimum cost and serving object and planning aim of logistics distribution network in a city, the paper analyses systemicly all the factors on total cost, establishes arithemetic model, calculates with ristricted function method, then gets the initial distribution network. thirdly, the aticle evaluates and revises the results calculated from the foregoing madel with delphi method and secondary comparative model, thus gets ulteriorly optimized distribution network. at last, the importance of constructing logistics information platform is put forward, at the same time the flatform ' s requirment, function formation and running mechanism are analysed synthetically

    本文首先分析了我國與國外物流發展的差距與異同,並根據我國物流業發展的客觀環境,提出了市域物流配送網路規劃的概念以及開展此項工作的要性和迫切性;其次在最小成本原則和明確市域物流配送網路服務對象與規劃目標的前提下,對影響總成本的各項素進行系統分析,從而建立基於最小成本的學模型,並採用制約函法對所建模型進行求解,得到最初的配送網路;再次由德爾菲法和二次選模型對模型求解結果分別進行初次和二次評估,從而得到進一步優化的配送網路;最後提出建設市域物流信息平臺的要性,並對其需求、功能組成及運行機制進行了綜合分析。
  6. Differential gps has become the prime and essential positioning system for many applications. this paper introduces the principles of the differential global position systems. clarifies the arithmetic of the pseudo - range dgps. by the high - class differential reference station receiver called javad receiver which being used in our laboratory now, some necessary work has been done : data digging from javad receiver ; data decoding, data encoding, and data transmission through the net and pc serial port ; further more, the gps receiver interface language has been analyzed to control differential reference station receiver

    此,差分gps技術( dgps )應運而生,並得到飛速發展,其市場前景看好。 dgps在許多定位應用中已經成為要的定位系統,本文論述了差分gps的原理,闡明了偽距差分的基本原理與演算法:在實踐上針對實驗室現有的較先進的javad差分參考臺進行了偽距差分據的提取、據解碼、據編碼、據的網上傳輸。
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