角形斷面 的英文怎麼說
中文拼音 [jiǎoxíngduànmiàn]
角形斷面
英文
angle section-
A commode, one leg fractured, totally covered by square cretonne cutting, apple design, on which rested a lady s black straw hat
斷了一條腿的五斗櫃，整個兒用剪裁成四角形的蘋果花紋印花裝飾布蒙起來，上面擺著一頂黑色女用草帽。The forces that developed from the deformation in the cross-frame were primarily transmitted from the connection plate into the web by the upper pair of intermittent fillet welds.
因橫向框架中的變形所發生的力最初由連接板通過較上面的一對間斷貼角縫傳入腹板中。Because of yizheng orogeny in late cretaceous, braided delta system of anfeng was formed by rifling in subei basin and rising of sedimentary base level
摘要受晚白堊世儀征運動的影響，蘇北盆地拉張斷陷，沉積基準面上升，從而形成了比較完整的安豐退積型辮狀三角洲沉積體系。By modeling of " y " - shaped junction of the compound river channel with an intersection angle 90, the flow velocity and water level at the junction were obtained by use of the acoustic doppler velocimeter ( adv ) and point gauges
摘要通過製作交匯角為90的復式斷面河道" y "型交匯河口模型，利用三維聲學多普勒流速儀（ adv ）和測針獲取流速及水位數據，對支流河口處的水流流態包括水面形態、水流流速和水流分區進行分析。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。The main conclusions are as follows ; firstly, under the influence of three phases of episodic activities, three two - order sequences is composed of three depositional cycles and three regional unconformities ; secondly, under the control of structure activities such as fault - block activities and the influence of three - order climate cycles and source recharge, lower cretaceous can be divided into six three - order sequence ; thirdly, because fault activities is weak and fault slope is gently, fan deltas exist in steep slopes in early and later stages and subaqueous fans exist and turbidite fans exist in troughs in middle stage
主要的結論為：其一，受三期幕式活動影響，斷陷形成了3個大的沉積旋迴和3個區域不整合面，構成了下白堊統3個二級層序；其二，受斷陷內翹傾和塊斷等構造活動的控制，以及三級氣候旋迴和物源供給因素的影響，下白堊統劃分出6個三級層序；其三，在單斷斷陷湖盆中，湖泊階段的早、晚期由於凹陷邊界斷層活動較弱，斷面較緩，陡坡可以發育扇三角洲，在湖泊階段的中期主要為水下扇砂礫巖體，並在窪槽區發育濁積扇。The curves of the consolidation settlement in soft clay base of flood land are gained, which compare the effect of sand drain. the settlement - time curves in different period are also gained, which increase the height of embankment to 8m, based on the test data of hang - yong highway. furthermore, the consolidation settlement characters of these entity engineering are analyzed, and, the variation rules of the rate of grade and degree of the curves in different period in the whole section, the maximal settlement and the liner regression relations between the rate of grade and degree are calculated
本文利用大變形固結有限元分析程序（ lscfea ）中的小變形平面固結分析單元（ sse2 ） ，結合實體工程項目進行了地基固結沉降的有限元計算，分別得出河灘相軟土地基在考慮砂井和未考慮砂井作用下的固結沉降曲線及杭甬高速公路試驗段在高堆載情況下的固結沉降曲線；並對以上曲線特徵進行了分析，得出各時間段曲線斜率、角度在整個斷面的變化規律，以及沉降最大值與斜率、角度變化之間的線性回歸關系。We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc
目前，解決混凝土開裂的方法是綜合的，我們調查研究了混凝土開裂的原因，開發研製了高性能抗裂外加劑，優化混凝土的設計和施工方法，並通過補償收縮達到混凝土體積穩定，提高抗裂強度，滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術，應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法，從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題，發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。To understand and deal with deflation becomes a new task. deflation has been paid close attentain to by academic circles and govern ment departments around the globe. on the basis of investigating the related literature of deflation at home and abroad, the auther of this paper puts emphasis on studying china ' s deflation, including its cause of formation, mechanism of the formation and effectiveness of monetary policy during deflation by qualitative and quantitative analyses, positive and normative analyses, theoretical analysis and case confirmation ; then points out the orientation of china ' s monetary policy by raising the efficiency of monetary policy in the future and avoiding deflation
本文在分析研究國內外在通貨緊縮判斷標準、形成機理、治理對策等方面研究方法及研究現狀的基礎上，採用實證分析與規范分析相結合，定性分析與定量分析相結合，理論概括與實踐歸納相結合的方法，從多方位、多角度對產生中國目前通貨緊縮的原因進行分析，從理論上梳理出中國目前通貨緊縮形成的邏輯過程，並對通貨緊縮時期貨幣政策的效果及未來貨幣政策的取向進行了深入分析和有效探索。In accordance with the occurrence behavior of roof strata and the fracture characteristics of key stratum in shallow seam longwall mining, studied post - buckling behavior of roof key stratum in the process of mining by using initial post - buckling theory, which derived a critical load and a breaking span of the main roof during the first weighting, determined the final subsidence and the maximum rotation angle for broken key stratum, and presented an application with the example of daliuta 1203 face
摘要根據淺埋煤層頂板巖層的賦存特點和長壁開采時關鍵層的變形破斷特徵，應用初始后屈曲理論探討了開采過程中頂板關鍵層的后屈曲性態，得出了老頂初次來壓時頂板的臨界載荷和破斷步距，確定了頂板破斷后的極限下沉量和回轉角，並以神東礦區大柳塔1203工作面為例給出了工程實例。Secondly, the finite - element analysis on the typical slope section is performed with establishment of geology model, definition of boundary condition and proper selection of mechanical parameters. the result shows that the slope is of integral stability, and the failure mode mainly comprises infrequent block drop and wedge body breakage. considering the two failure modes of plane failure and wedge body breakage, and stability calculation under different work conditions, the slope stability is discussed and the sensibility ana lysis on its fraction angel and cohesion force is made
然後通過建立地質模型、確定邊界條件、選擇合理的力學參數，取典型斷面對邊坡進行數值分析，分析結果表明斜坡整體是穩定的，破壞類型以零星掉塊和楔體失穩下滑為主；為了定量計算邊坡的穩定性，對邊坡兩種破壞類型：單滑面下滑和雙滑面楔形體下滑，考慮不同工況進行穩定性計算，並對摩擦角和粘聚力進行穩定的敏感性分析。The whole dissertation can be divided into 9 chapters, which are mainly engaged on the comparative theories of the common balance and the partial balance, and the methodology of the demonstration and criterion economics to do the analysis and res earch on the purpose of making relatively thorough and deep assessment on the policy - making and related improvement suggestions on such areas as the implement performance of the agriculture policies, the requirement structure of agriculture, the structure of employment, the basic elements and arrangement of agriculture production, the sustainable development of agriculture and the agriculture internationalization etc. the basic innovative points of the dissertation are as follows : ( 1 ) to establish a systematic framework for the research on the policies of agriculture industry and the structure of agriculture industry ; the framework for grand agriculture industry structure ; the framework of subject relationship in the agriculture socialized service system ; the circulation framework of sustainable development for agriculture ; the model framework for corporation development for agriculture institution ; ( 2 ) to expand the external scope of the concept of agriculture ; ( 3 ) to put forward the ideas of the corporation orientation by restructuring and innovating the present agriculture operational institution ; ( 4 ) to raise the viewpoints to set up the quality standard system for agriculture produce and to initiate the same system of the internal and external trade ; ( 5 ) to offer the suggestions on guiding the development of the township and private enterprises through the industry policies ; ( 6 ) to raise the innovative viewpoint by way of the systematic analysis on agriculture and the employment structure of the countryside, the district arrangement, technological innovation and the marketing system of agriculture produce ; ( 7 ) to put forward the comprehensive thinking way to broaden the logistics services for agriculture produce ; ( 8 ) to raise the new idea of the agriculture supporting system and the policy suggestions on expanding the areas for the government to support agriculture industry, reorganization of agriculture insurance system and aid to the weak masses of the countryside
本課題是在國家農業產業政策不斷完善和產業經濟學科科學發展的背景下，從農業產業政策的實踐出發，從大農業產業結構、組織、技術、資金、勞動力、土地等資源配置以及區域布局、國內外關聯等角度，以農業產業政策與農業發展的互動關系為切入點，提出了農業產業政策調整取向，初步形成和發展了政策理論。全文共分9章，主要運用一般均衡和局部均衡比較等理論，實證、規范經濟學研究等方法進行探討，對農業產業政策實施績效、農村需求結構、就業結構、農業生產要素和布局、農業可持續發展、農業國際化等命題以及對策建議作了比較全面深入的評析。本課題研究主要有以下創新觀點：初步搭建了農業產業政策和結構理論框架，設計了政策和結構體系圖；延伸了「農業」概念外延，提出了「大農業」的構想；提出了農業產業經營組織再造和創新的公司化發展方向，設置了農業產業化、公司化發展模式圖和產業化公司模型圖；設計了農業可持續發展良性循環圖和農業資金投入效益模型圖；提出了建立農產品質量標準體系、推行內外貿一體制的觀點；建立了農業保障體系參照圖，建議通過產業政策引導鄉鎮、私營企業和「三資」企業發展；剖析農村勞動力就業結構、區域布局、科技創新、農產品市場體系；提出了加大農產品物流配送的整體思路；提出了農業支撐體系新觀念及擴大政府支農范圍、重構農業保險體系、扶持弱勢群體的政策建議。Cross section is a set of polygons and for this reason some relative algorithms for polygon are studied firstly. new algorithms for orientation and inclusion test for simple polygon are proposed. and ghosh ' s convex hull algorithms for simple polygon and convex polygons, subramanian ' s triangulation algorithm for arbitrary planar domain and o ' rourke ' s intersection algorithm for convex polygons are modified to make them more robust
斷層輪廓為簡單多邊形，首先對多邊形的一些相關演算法進行了研究，提出了一種判斷簡單多邊形方向及點在多邊形內外的新方法，改進了subramanian的平面多連通域的三角劃分方法、 ghosh的多邊形的凸包及多個多邊形的凸包演算法和o ' rourke的凸多邊形的求交演算法。In the paper, the flexural river distribution, flexural radius, central angle and flexural coefficient at middle reaches of huaihe river are analysed statistically, and the cross - section of river is prelimary analysed
摘要文章著重對淮河中游的彎道分佈及彎曲半徑、中心角、曲折系數進行了統計分析，並對彎道的斷面形態進行了初步探討。Profile of fillet weld
角焊縫斷面形狀2 ) for making the meshes consistent on the common boundaries of adjoining surfaces, a new approach of boundary discretization is employed. 3 ) the boundary - representation structure is adopted to fulfill the mesh generation over combined surfaces. 4 ) the quality of surface meshes is improved by point creation on 3d scan lines and diagonal swapping procedure
通過引入可移動的虛邊界解決了閉合曲面的剖分問題；通過對鄰接曲面公共邊界的統一處理，保證了組合曲面拼合處網格的相容性；以邊界表示數據結構為基礎實現了三維組合曲面的全自動網格剖分；採用空間掃描線布點、診斷交換等技術，優化了網格的質量；並以autocad為支撐平臺objectarx為開發工具，開發了一個基於幾何造型的曲面三角形網格全自動生成程序。Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent
本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。Put forward the technology that locating the defects with spherical surface freewill triangle, estimating the validity of located points with the method of projection the first time
開展球面任意三角形定位技術研究。首次提出球面任意三角形定位，投影判斷定位點有效性的定位方法。According to the actual condition in jinchuan longshou mine, using three - dimensional numerical simulation, this paper analyzes the stresses, displacements and safety factors of mined - out area and filling body under the conditions of different filling height of down hexagon drift, and the drew conclusions provide theoretic guidance for safety mining
結合龍首礦的實際情況，利用三維數值模擬的方法對龍首礦下向六角形大斷面進路不同充填高度情況下采空區及充填體的應力、位移及安全率等進行了分析研究，所得出的結論為礦山安全生產提供了理論指導。A kaleidoscope creates stunning visual effects by reflecting the edges of the mirrors and the space enclosed between them repeatedly. mirrors arranged in an equilateral triangle, a square or a regular hexagon behave in a similar manner
萬花筒將旁邊的三角形平面及相關的空間利用鏡子不斷重覆，有此功能的鏡子組合包括三角形正方形和正六邊形等。分享友人