超限維數 的英文怎麼說
中文拼音 [chāoxiànwéishǔ]
超限維數
英文
transfinite dimension-
The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be
編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序，實現了對固體浸沒透鏡光存儲系統的數值模擬；著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性；分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。Founded in 1993, shenzhen chaowei industry co., ltd. a professional manufacture, engaging in lcd clock, mini phone, am fm radio, digital recorder, practical electric gifts and quartz clock core. with the franchise of import and export, chaowei is also a permanent member of shenzhen clock watch association
深圳市超維實業有限公司成立於1993年，是lcd鐘迷你電話機am fm收音機數碼錄音機實用電子禮品和贈品及石英鐘機芯的專業製造商，是深圳市鐘表行業協會的常務理事單位，擁有自營產品進出口權。Since the economic conditions are limited, the bearings with the excellent capability and heavy carrying capacity could be hardly chosen and used, and many bearings are demand to be serviced sustained, whose service life has reach or outreach the design life. the accidents are always taken place for some reasons such as very difficult maintenance, badly working conditions and eyeless using
我國由於經濟條件的限制，不僅難以做到全面選用性能優良、承載能力高的低速重載滾動軸承，而且對多數已經達到或超過理論設計壽命的軸承仍要求能夠繼續服役，加之維修難度較大，工作環境惡劣，盲目使用易引發事故。In 1997, pro zhang constructed four class of simple finite dimension cartan - type modular lie superalgebras : w, s, h, k. and gave a supposition of the classification of modular lie superalgebras of finite dimension. now someone found the fifth class simple finite dimension cartan - type modular lie superalgebras ho
在1997年，張永正教授構造了四類有限維單cartan型模李超代數： w ， s ， h ， k ，並提出一個關于有限維單模李超代數分類的猜想。The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied
本文的主要工作是用隱式有限差分法求解三維非定常紊流n - s方程組，數值模擬剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流，並在此基礎上研究了彈性機翼的氣動彈性問題。The gejiu super - large tin - copper - polymetallic deposit is famous for producing tin. but now the sustainable development of the whole gejiu ore district faces the tremendous challenge, that is to say, the ore in the surface of ground and in the shallow stratum will soon be mined completely. the situation of resources in gejiu ore district is very tension
個舊錫銅多金屬超大型礦區以錫礦生產馳名世界，但經過數十年的開采，大部份探明錫多金屬儲量已經開采消失，多數礦山已受地質保有儲量不足困擾，達不到生產設計能力，部分礦山甚至已到「等米下鍋」的資源危機的境地而難于維持正常生產，個舊市新建礦業有限公司就是其中之一。In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress
本文結合實際工程，對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗，確定了該壩粉煤灰的靜動力學指標；然後根據比奧（ biot ）固結有效應力原理，採用鄧肯（ duncan ）非線性應力應變模型，對該灰壩的二維靜力應力和變形狀態進行了分析；最後利用本文提出的地震超靜孔壓指數函數模型，採用等價粘彈性動力有限元方法，對該灰壩在地震作用下的動力穩定性進行了分析評述。According to the geological conditions of baise project, erosive bands and joint fissures, f6 fault and grout curtain are fully simulated to establish 3d numerical model of the dam and its foundation. 3d non - linear fem is used to analyze the stress and strain and to appraise the operation state of both the dam and it ' s foundation under different operation conditions. by overloading the upstream water level and reducing rock strength parameter, the dam foundation ' s degradation process is simulated and the damage pattern and paths are determined, and finally the safety factor is determined
2 、根據百色的地形地質條件，充分模擬了蝕變帶、節理裂隙、 f6斷層、灌漿帷幕等，較為真實地建立了壩體與地基相互作用的整體三維數值模型；採用有限元法對壩體及壩基在不同工況下的應力應變狀態開展分析，評價各工況下壩基的運行狀態；而後採用超載法和綜合法對大壩穩定性進行分析，模擬壩基的漸進性破壞過程，從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑，最終確定壩基超載安全系數和綜合安全系數。Firstly part of quadratic term of taylor series is chosen ; a low - dimension surface is used to approximate limit state surface ; and the modified reliability formula is derived
首次選取泰勒級數的部分二次項，用一個距原點最近點處擬合的超低維曲面近似極限狀態面。Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design
根據閥門cad發展趨勢，針對成都乘風閥門有限責任公司閥門設計現狀，本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統，主要完成的工作和成果如下：根據公司提供的幾種不同結構閥門的二維工程圖紙，利用mdt三維設計平臺建立了三維參數化基本圖形庫，其中包括所有零部件和總裝配模型圖及二維工程圖；依照閥門設計的一般步驟設計了參數編輯器，用來對閥門尺寸參數進行編輯、輸入、輸出等，具有參數雙向同步顯示功能，使用十分靈活方便；根據用戶的需求，為了使設計達到精確、可靠、實用的要求，設計開發了輔助計算器，能自動完成閥門設計過程中所需的各種結構計算，並可以輸出閥門設計計算說明書；為了使設計人員更具有競爭力，本系統利用internet intranet技術設計開發了虛擬設計中心子模塊，虛擬設計中心集成了網路會議、終端服務、超級鏈接等功能，可以讓設計師直接使用服務器上的應用程序，與intranet internet上的其他設計專家進行交流、共享軟體資源，實現遠程協同設計。Let f be a field and charf = p = 3. in this paper the generators of modular simple lie superalgebras w, h, s, k and ho of cartan - type are determined. their derivation algebras and their dimensions are determined, also. the main results are following : ( l ) let t = { xki | 1 < i < m, 0 < ki < 3ti }, s = { xi | m + 1 < i < s }, then t sgenerates k ( m, n, t )
設f是特徵p = 3的域，本文決定了f上有限維cartan型單李超代數w型， h型， s型， k型和ho型的生成元和它們的導子代數及其維數Derivation algebras play an important role in the research of lie algebras and lie superalgebras. until 1988, the derivation algebras of finite dimensional modular lie algebras of cartan - type had been researched
由於導子代數在李代數及李超代數的研究中起著非常重要的作用。到1988年，已研究了有限維cartan型模李代數的導子代數。With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings
本文以北京地鐵八王墳車輛段地上超大結構（車輛段大平臺及其上的小區樓房）及其地基基礎為研究對象，在研究和分析有關資料的基礎上，用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型，並以列車振動加速度時程作為模型輸入，進行了地基?樁基礎?地上結構的整體動力學分析，分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響，得到了如下結論： （ 1 ）隨著與地鐵線路距離的增大，地面的振動強度有減小的趨勢； （ 2 ）地面豎直方向的振動強度較之水平方向的略大； （ 3 ）隨著與振源距離的增大，在水平方向上，地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小； （ 4 ）在豎直方向上，每幢樓各層端點的振動速度、加速度完全相同，表明樓房各層在豎直方向上的運動狀態一致； （ 5 ）各幢樓房豎直方向的振動強度比水平方向的大； （ 6 ）增加軌道彈性是減輕地面和地上建築振動的有效途徑。The moving grid of type c - h for wing are generated by an algebraic procedure. the steady and unsteady transonic ( and subsonic ) viscous flows around wing are numerically simulated. the 3 - dimensional time - averaged compressible navier - stokes equations with b - l or j - k turbulent models are solved by the implicit lu - n7nd algorithm
用代數方法生成機翼的c - h型運動網格，從三維非定常n - s方程組出發，利用lu - nnd有限差分格式和b - l或j - k湍流模型建立了一種數值模擬三維機翼的亞、跨、超音速定常及非定常粘性繞流的方法和程序。Global one - dimensional finite volume euler equations coupled with chemical reactions are implicitly solved to simulate the reacting flowfield of the combustor of scramjet fueled by hydrogen or hydrocarbon
本文採用隱式格式強耦合求解有限體積法離散的考慮化學反應的廣義一維euler方程，數值模擬氫或碳氫燃料超燃沖壓發動機燃燒室的化學反應流場。To estimate of ultimate bearing capacity from the cohesion and unit weight of soil and embedded depth ( overburden ), the kinematical approach of limit analysis based on the three - dimensional mechanism was used
文中利用極限分析中的機動法，構建了一個臨近基坑矩形淺基礎的三維機動許可破壞模式，按照地基承載力的傳統表達方式，分別給出了單獨考慮土的粘聚力、基礎埋深（超載）和土的自重影響的承載力系數。分享友人