斷面法 的英文怎麼說
中文拼音 [duànmiànfǎ]
斷面法
英文
crosssectional method-
The amounts of limnodrilus hoffmeisteri increased gradually from baihe to huacao section, and reached a peak in huacao section ; species from annelida, mollusca were not found in beixinjing and wuninglu sections ; species from oligochaeta were found and had certain numbers in zhejiang road section as the result of the effect of counterflow of the huangpu river
1材料與方法1 1采樣斷面及采樣點在蘇州河上海市區段的上游至下游共設6個采樣斷面，分別是白鶴、黃渡、華槽、北新涇、武寧路和浙江路斷面。每個采樣斷面又分別設3 - 6個采樣點。The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm
以胸高斷面積代替種群生物量，分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究，運用改進單純形法對模型進行優化，擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢，南方紅豆杉種群的最大增長速度出現在第10齡級，即胸徑為68 76cm時期。The authors put forwards a new method which select the terrain profile perpendicular to falling line ( opposite direction of gradient ) to determine the candidate points on ridge and valley
摘要利用有關數學原理從理論上對地形高程斷面極值法進行了分析和深入的研究，指出了該方法的不足。Application of golden section method to chanel transect design
黃金分割法在渠道斷面設計中的應用Due to complex and varied geological conditions for 4 headrace tunnels at zipingpu project, real time monitoring technique was used during informatization construction according to new austrian tunneling method, system observation for typical sections was conducted by following in - situ construction, based on which inverse analysis for rock mechanics parameters was conducted
針對紫坪鋪工程4條引水發電隧洞復雜多變的地質條件，採用新奧法隧洞信息化施工中倡導的實時動態監測技術，跟蹤現場施工進行了典型斷面的系統觀測，在此基礎上進行了圍巖宏觀力學參數的反分析研究。This unevenly location of fdi and it ' s fluctuate trend affected the balanceable development of regional economy profoundly. based on the international capital flows and the economic facts of fdi flowing into china, this paper establishes an analytic framework with international economics and regional economics, then analyzes the effect of fdi on regional economic growth and in the end put forward the regional policy advice which would stimulate foreign investments inflowing into china
本文以經濟全球化趨勢下的國際資本流動和改革開放的經濟現實為背景，借鑒新制度經濟學和新古典經濟學分析方法，建立了國際經濟學、區域經濟學和發展經濟學的分析框架，理論分析與實證研究相結合，重點運用數理統計方法和計量經濟模型，利用時間序列和橫斷面數據對fdi對我國區域經濟增長的影響進行了全面分析，並提出了引進外資的區域政策建議。Third, some methods of evaluating water quality and computing water capacity, which are often used in water quality management, are studied and an example of estimating dong jiang cross - section is given
針對水質管理的具體要求，探討了多種水質評價方法和水容量的計算方法，並給出東江斷面水質評價的實例分析。Abstract : a research on theory and practice is conducted on the acoustic methods of discharge measurement in low head hydropower plant. taken hydraulic efficiency experiment in certain hydropower plant as examples, the general methods about how to locate the discharge measurement plane, install transducers and choose the integration methods are put forward. an improvement method is proposed finally
文摘:從理論上和實踐上，對低水頭電站超聲波測流進行了較為詳細的研究，並以某水電站為例，對測流斷面定位、聲路布置和面積積分給出了一般方法Another is curvature - parabolic method according to centrifugal acceleration of the vehicle in settlement section
另一種是依據汽車在沉降斷面上行駛時的離心加速度來進行控制的曲率拋物線法。Polycrystalline silicon - examination method - assessment of sandwiches on cross - section by chemical corrosion
硅多晶斷面夾層化學腐蝕檢驗方法The research works finished in this paper are listed below : 1. solving the problem in testing of cylinder vessels that the sensors disposition is very rigorous, carrying out study of freewill triangle network orientation and linear orientation, bringing forward the discriminance which distinguish the validity of orientation array using character string method the first time, at the same time, solving the problems that judgement of orientation array, elimination of camouflage location, avoidance of repeat location, etc. 1 '. carry ing out the study of the orientation of defects in stand lank floor with the method of freewill planar triangle orientation, advancing bran - new discriminance on the validity of orientation arrays, orientation points, and the disposing means of the acoustic sources near sensors and those near common border
本文進行的主要研究工作有： 1解決柱式容器檢測中傳感器排布要求較嚴格的問題，開展任意三角形網路排布檢測技術與線定位技術研究，首次提出了利用字元串格式判斷線定位陣列有效性的判別方法，並解決了任意三角形定位中存在的定位陣列判斷，偽定位的剔除，重復定位的避免等一系列問題； 2利用平面任意三角形定位方法開展常壓立式儲罐罐底缺陷定位技術研究，提出了全新的定位陣列有效性判斷、定位點的有效性判斷方法；以及頂點聲源和邊界聲源的處理辦法。To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice
針對目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點，提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化（ cdt ）為技術核心，認為所有道路幾何設計過程都是地面模型和道路（設計）模型進行幾何運算的結果.基於此，本文設計出相應的演算法步驟，同時完成了相應的軟體開發，使得該三維演算法能和傳統的方法進行對比.此外，結合工程實例，採用了不同的道路橫斷面間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度，該演算法可用於道路、場地平整等工程土方量計算At last, the model and practical data including mutating data are processed with this method and e processing results show that the false points of data section are completely rejected without losing the useful information, and it is easy to be interpreted
最後用該方法對含有突變點的剖面模型數據和野外實測數據斷面進行處理，處理結果表明，突變點被完全剔除，但不損失有用信息，易於對其進行推斷解釋。As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method
鑒于目前橋梁斷面顫振導數識別的水平和存在的問題，本文通過對大跨度橋梁非定常氣動力、顫振分析方法及顫振導數識別方法的回顧和評述，基於現有的非定常氣動力和顫振導數的測試方法，在國家自然科學基金與鐵道部重點學科基金的聯合資助下，研究開發了一套在風洞中採用強迫振動法測試顫振導數的裝置。The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points
利用基於變步長中心差分格式的顯式積分方法分析瞬態軋制過程；提取穩態單元集節點形成截面網格；利用隱式積分方法分析軋制道次間隙瞬態溫度場；對型鋼斷面進行平面四邊形網格劃分並映射節點溫度數據；利用六面體單元構建有限元分析模型，映射單元節點的溫度、積分點的等效塑性應變，進行數值分析。Combined with the real example of monitoring pressure on the supporting system in the long span underground space of dk7 + 692 section at jiao - xin line of chongqing light railway, it is set forth the methods about choosing the support system and its parameter, digging methods of underground space, measuring and testing methods for the stress of the support system ; the testing results and variation pattern were analyzed for the stress of the initial supporting i - steel axial stress of bolt, stress of shot - concrete, supporting pressure of temporary i - steel and stress of steel of the second lining, then, the reason for deformation of the support system induced by sharp increase of i - steel was determined
摘要結合重慶市輕軌較新線大坪車站大跨度地下空間dk7 + 692斷面施工支護體應力監測的工程實例，闡述了該大跨度地下空間支護結構的參數選擇、地下空間的開挖方法、支護體結構的應力量測方法及測試手段；分析了支護體初期支護工字鋼拱應力、錨桿軸力、噴射混凝土內應力、臨時工字鋼支撐應力、二次襯砌鋼筋應力等測試結果和變化規律；確定了工字鋼拱應力急劇增大而可能引起支護體系失穩的原因。On the background of globalization of economy, the action of restricting competition is rising increasingly in the world, which severely obstruct liberalization of trade and investment while world trade liberalization pace speed up. in view of authoritative competition regulation which regulate enterprises ’ internationally restricting competition action have not set up yet, most countries adopt the extraterritorial application of anti - monopoly law to prevent international monopoly effectively, with a purpose to protect the domestic market to develop healthily and orderly. by exploring the fundamental problems in extraterritorial application of anti - monopoly law and theoretical and practical experience of all countries in the world, the thesis further discusses the mode of our country in the field
本文分四部分對反壟斷法的域外適用問題進行說明:文章首先從反壟斷法域外適用的基本問題入手，介紹反壟斷法域外適用問題的產生及其必然性，簡要描述國際法協會紐約年會上所確認的三種反壟斷法域外適用理論依據的涵義、內容及彼此之間的區別;其次對美國、歐盟在反壟斷法域外適用方面的實踐進行優缺評析，指出設置反壟斷法的域外適用條款已經成為世界反壟斷立法的普遍趨勢;然後論述反壟斷法域外適用過程中產生的沖突及對沖突進行協調的方法;最後對我國反壟斷法域外適用應採用的模式進行探討，說明我國設立反壟斷法域外適用制度的必然性和總體思路，明確我國反壟斷法域外適用制度應包括的內容以及保障域外適用制度順利實施所應建立的配套機構。Analysis of acceptance measuring accuracy using fixed - section method
固定斷面法驗收測量精度分析The paper introduces the progress and the statue quo of tunnel portal construction, discusses the condition to employ full face method, bench cut method, single side heading method and double sides heading method of portal construction, points out advantages and disadvantages of these methods. the order to adopt these methods of single track, double track and tri - track tunnel in shallow - depth, uneven pressure and incompact ground is also advised after compare
討論了全斷面法、臺階法、單側壁導坑法和雙側壁導坑法在隧道洞口段施工中的使用條件和優缺點，對這四種施工方法從各個方面進行了比選，提出了單線、雙線和三線隧道的洞口段處于淺埋、偏壓、鬆散的地層中時各種施工方法選擇的先後順序。The application of method of alter average section in earthwork volume calculation
用變更平均斷面法計算鐵路土石方工程量分享友人