前錐面 的英文怎麼說
中文拼音 [qiánzhuīmiàn]
前錐面
英文
front cone-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。A drop of water was cut in half by a plane passing through its bulbous front and tapered tail.
平面將水珠的鱗莖狀前鋒和錐狀尾巴的分成兩半。All vertices are clipped by the front plane of the viewing frustum
所有頂點都被視圖截錐的前平面所剪輯。The directrixes of the in former two transmissions are the loxodrome and the geodesic on the pitch cones, that of the latter is an equal - pitch line along the direction of straight generatrixes in the hyperboloid surface, also is the vertical trajectory of the straight generatrixes
前兩種傳動形式的準線分別為節錐面上的斜航線與測地線，後者的準線為單葉雙曲面上沿直母線方向的等螺距曲線，且為直母線族的正交軌線。The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed
對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。Steel barge loaded with a bulldozer, prime movers, gravel, pipes, iron mesh, into a prime spot in a very famous dive site in the world, flattening 3, 984 sq. feet of corals
西巴丹島自幾百萬年前的一次火山爆發冒出海面后，小小的珊瑚蟲開始環繞火山錐繁衍生息，最終形成一個面積160公頃，圓周5 . 3公里的珊瑚礁。The illustration is by hand to express, quote from this literary reference of “ the head hangs the beam, the zhui stabs ” of ancient times, but the ancients cloud : " in the book there is gold house ", an monster is binding the hair to try very hard to studying on the ceiling, there is a large number of gold ingot in front of him, but his is die of have eyes fixed on this gold, still stay the exit water in mouth, take the irony meaning, deliver the deep province of person, attack current education system in china not perfect, the examination is hardly limited the student ' s imagination and creative ability
用手繪插畫的形式來表現，引用了古代「頭懸梁，錐刺股」的這一典故，而古人云： 「書中自有黃金屋」 ，一個怪人正把頭發綁在天花板上拚命讀書，在他面前的是一堆金錠，而他的眼睛正在死死的盯住這堆黃金，嘴裏還留出口水，帶有諷刺意義，發人深省，抨擊了中國現行的教育體制的不完善，功名考試極大的限制了學生的思維和想象力。More attentions are taken to the applications of the interferometer for the quantificational and real - time measurements in the following aspects : the laser ' s wavefront, the homogeneity of laser bar, angle deviation of flatness optical components, and surface roughness
重點研究了數字式波面干涉儀的應用，定量、實時測量了激光波前質量、激光棒波前畸變、利用波面計算錐體棱鏡角度、表面粗糙度等。Current nod external nomal method can accurately solve the initial clearance of contact curved surface. the accurate analysis of load distribution, longitudinal load dispersion and contact patterns to spiral bevel gears has been deduced, and that the variation of the contact center of loaded spiral bevel gears and the contact center of non - loaded spiral bevel gears has been analysed
當前節點外法矢法可以精確計算接觸曲面的初始間隙量，本文用這一方法對螺旋錐齒輪齒間載荷分配、齒向載荷分佈以及接觸區形狀進行了精確分析，而且分析了加載情況下螺旋錐齒輪齒面接觸中心點軌跡與無載下螺旋錐齒輪接觸軌跡的變化。Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles
文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密度的計算，分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法，概述了航天飛機迎風面中心線和離開中心線橫向熱流密度的計算.計算結果表明，本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度Along the route which passes through the ngari plateau, known as the " roof of the world ", you can be fascinated by the circular - cone - shaped gold - colored peaks of the mount sangula, the vast green zharinamco lake, and the dawa lake surrounded by lush pastures, the snow - capped mount baling kangri, the mysterious guge kingdom ruins and the fantastic clay forest, as well as the holly mount kang kingpoche
沿途，桑木巴提山圓錐形的金黃色山峰，扎日南木錯遼闊清碧的湖面，達瓦錯豐美的水草，巴林網日群峰上的皚皚白雪，札達一帶神秘的古格遺址和荒漠而奇特的土林地貌，以及普蘭境內被多種教派譽為聖地的神山崗仁波劉昨聖湖瑪旁雍錯，都會傾倒前來游覽的旅人。Modular units for machine tool construction. spindle noses with " cone and face ". bearing surfaces
機床構造的模塊裝置.帶"錐和面"支承表面的主軸前部It also introduces the producer ' s system of sbeg. analyses the production process and makes a proposal to improve it. according to the reality of sbeg, on principle of lean thinking, it designs some projects in order to put lp in practice, especially how to ameliorate the equipments of abrade to realize continuous process ; it also analyses operation change approaches in detail in order to offer some suggestions to shorten the operation change time and it brings forward maintenance methods fitting the continuous process, especially the use of statistics in forecasting maintenance
根據sbeg的實際情況，基於精益思想的原則，設計了精益生產方式實施的具體方案：為了實現屏生產線生產連續流程，根據sbeg的具體情況，設計了屏后加工設備改造的方案，並對不同品種產品所需后加工各工序設備數，以及對應的節拍進行了計算；針對目前錐成型作業轉換時間長的狀況，分析了作業轉換的詳細步驟，提出了縮短作業轉換時間的具體方法；設計了全面設備維修方案，以保證連續流程的正常進行，並將數理統計方法應用到制定預測性維修方案中。In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object
同時利用共極線原理把三維計算投影到二維平面以降低求交計算的復雜度，該演算法可以減少光錐向圖像平面投影計算的次數，以邊池搜索取代散亂點集上進行的三角剖分； （ 2 ）基於退化多邊形求交的多面體可見殼模型重構，系統引入退化多邊形的概念，把錐體平面的交集中不連通的部分用一個退化多邊形來表示，並引入了新的基於退化多邊形的求交演算法，與傳統多面體可見殼重構相比，該演算法有以下幾點創新：在圖像平面以退化多邊形組織投影錐體和物體輪廓的交集，把任意錐面與物體輪廓的交集歸一到一個退化多邊形；基於退化多邊形的二維平面上多邊形快速相交演算法，該演算法在一定程度上就是兩個有序鏈表的合併，大大簡化了先前的布爾求交計算； （ 3 ）基於光線跟蹤的演算法，該演算法中所有通過輪廓頂點的光線和對應其它圖像輪廓的光錐進行求交計算，最後得到每次求交計算得到線段的交集，該線段的頂點就認為是物體表面點，從而得到物體表面的點雲。Simultaneity it can generate the three - dimensional model of corresponding gear in a minute after by directly inputting gear parameters and the parameters of tooth form, which could prove th at the general tooth surface equation of double circular arc profile bevel gear obtained above was correct
同時也可直接輸入齒輪參數和齒形參數，來生成相應齒輪的三維模型，從而證明了前面推導的雙圓弧弧齒錐齒輪通用齒面方程式的正確性。The measuring and controlling software of this intelligent check system is development by using the popular virtual instrument developing tool - labwindows / cvi. the software realizes the system frame that the control computer is the key part in the system. the software has the virtual instrument panel and it is easy to operate
本文利用目前流行的虛擬儀器開發軟體labwindows / cvi ，開發出一套以計算機為中心、具有虛擬儀器面板的錐齒輪傳動綜合智能檢測系統，具有操作簡單的特點。分享友人