錐型體 的英文怎麼說

A study on bevel gear virtual reality modeling based on pro e

軟體的錐齒輪擬實造型研究

In addition, the structure of field emission triode and double - gated field emission cathodes are also simulated by another software ( ebs )

其次，採用本實驗室的新型軟體ebs對三極體和雙門聚焦結構的尖錐場發射陰極的發射情況進行了模擬。

With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。

We can get electron density with the calculated phase and some common model formula ( such as sphere and cone ) in the wake of hypervelocity projectiles

由計算出的相位並根據彈道靶尾跡的一些常用模型（包括圓球體、鈍錐體等）公式，把相位轉化為尾跡的電子密度。

In this paper, some flows around naca 0012 aerofoil, m6 wing and two different blunt vehicles are simulated, the results show that the present algorithm possesses good characteristics and capability for normal mach number and for hypersonic of simple configurations

通過對naca0012翼型、 m6機翼、鈍頭以及雙鈍錐?柱體的算例驗證，本文能很好的解決一般馬赫數問題，能夠很好的求解簡單外形的高超聲速問題，對于復雜外形飛行器還需要進一步進行研究驗證。

On the base of deducing meshing theory, by simplifying the parameters and using software, the 3d model of the rolling cone - type toroidal drive is given. and the parametric models are realized. the assemble chart of drive is given

在嚙合理論推導的基礎上，通過對滾錐齒超環面行星蝸桿傳動的各參數進行簡化處理，利用計算機軟體對滾錐齒超環面行星蝸桿傳動進行了三維實體參數化建模，實現了模型的參數化，給出了該傳動的裝配圖，並進行了動態模擬。

The likely explanation for this paucity is that during their early evolution in the mesozoic ( 245 million to 65 million years ago ), mammals were small, secretive and nocturnal

哺乳動物錐色素減少的原因，可能是哺乳動物剛在2億4500 ~ 6500萬年前的中生代演化出來時，體型小、潛匿且夜行。

This paper discusses how to improve large taper lining, the steel - fibre liningis improved to be tortoise - shell net structure, to avoid the lining drop and remove a hidden danger

摘要闡述了將沉降器大型錐體襯里由鋼纖維單層襯里改造為龜甲網加耐火澆注料結構，避免了襯里脫落，消除了安全生產隱患。

This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。

In accordance with the problems existed in ir multicomponent gas analysis, a novel mu1tic. omponnt gas - sensitive sensor is developed by using the combination of narrow - band ir filter, light cone and pyroelectric detector array

摘要針對紅外多組份氣體分析存在的問題，採用窄帶紅外濾光片、光錐、熱釋電探測器陣列組合技術，研製了一種新型多組份氣敏傳感器。

Attached to the nc heavy duty vertical lathe is an electrical follow - up device, which is specially designed for accurately machining welding grooves on non - circular thick cylindrical work of variable walls, cone - like work or unequal cone - like work

摘要數控重型立車在非圓形變壁厚筒體，錐體，不等錐體上車削焊接坡口時，採用電氣隨動車削裝置加工，達到並提高了加工精度要求。

Xinchang asian ace automobile bearing co., ltd, an integrated technological enter prise featuring scientific research, development and manufacturing, specializes in the production of tapered roller bearings, cylindrical roller bearings, clutch release bearings, auto steering bearings, wheel hub bearings and so on, which are mainly exported to such countries and areas as usa, europe, africa, south asia and middle east

浙江新昌亞王汽車軸承有限公司位於浙江特色軸承工業園?新昌西山，是一家集科研、開發和生產為一體的浙江省中小型科技企業、紹興市高新技術企業，主要生產圓錐滾子軸承、圓柱滾子軸承、汽車離合器分離軸承、汽車方向機軸承、汽車輪轂軸承及輪轂單元、中心支架軸承，同時可生產汽車水泵軸承、推力滾子軸承、非磨軸承、沖壓軸承等，產品主要銷往美國、歐洲、非洲、東南亞和中東等國家和地區。

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。

The deformation of cone - box shaped part in hydromechanical deep drawing is simulated by the fem software ansys

摘要利用大型有限元分析軟體ansys對錐盒形件充液拉深的成形過程進行了數值模擬。

When we get the surface model, we can project the vertex of polygons onto the input images to get the texture on the correspondent pixel and in turn get the texture on the surface model

多邊形的法向是該錐體平面的法向量。在得到物體表么網格模型后，可以通過計算該多邊形對應于輸入圖像上的像素獲取紋理信息，進而映射得到物體網格平面紋理值。

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。

Abstract : on the base of the analysis of kinematics and dynamics f or i ntroduced some types of cone crushers, this paper constructs the dynamics models with the fin ite element method on the main components of the cone crushers, such as main shaf t, moving cone and offcentering axial bushing. according to the characters of the load, the paper simplifies and counts the external loads. then using the software of ansys and employing the elements of high accurate three dimension block, the paper analyzes the strength and rigidity of the finite element method and a ttains valuable results

文摘:在對引進的某型圓錐破碎機的運動學及動力學分析的基礎上，建立了該破碎機主要部件主軸、動錐及偏心軸套的有限元分析模型.根據載荷特點，簡化並計算了外載荷.應用ansys軟體，選用精度較高的三維塊單元，對其進行了有限元分析，得出了具有參考價值的計算結果

In this thesis, a 2 - d axial symmetric n - s equation was solved by using steger - warming flux splitting, muscl, b - l model and finite volume method to simulate an experiment, which was to observe explosion phenomenon

本文用steger - warming分裂和b - l湍流模型的有限體積演算法求解二維軸對稱navier - stokes方程，數值模擬了錐形激波管中爆炸波運動和爆炸波正壓和負壓脈沖。

Second, based on works mentioned above, an interactive graphic system, i. e. an interactive parametric three - dimensional model - building software about double circular arc profile bevel gear were established according to computer graphics, c language, vc + + language, autolisp programmed and cad technology, in which, language c completed complicated calculation, autolisp language finished model - building, vc + + language accomplished the generation of program interface

在上述工作的基礎上，綜合應用計算機圖形學理論、 c語言、 vc + +語言、 autolisp編程以及cad技術，編制了一互動式圖形系統和雙圓弧弧齒錐齒輪的三維建模軟體。其中， c語言是計算部分， autolisp語言是模型建立部分， vc + +語言完成程序界面的生成。

The calculating mold consisted of shell, pyramidal neck of shell with varied thickness, flange of ring with definite thickness for analytic solution is set up for the strength calculation and the design of the structure dimension of shell flange and pyramidal neck. this theoretic solution is compared with the results of finite element analysis and stress - strain measurement and is verified to be right

為設計計算烘缸法蘭及錐頸的強度與結構尺寸要求，建立以簡體、具有斜面的變厚度圓柱殼的錐頸及具有一定厚度圓環的法蘭環為解析解的計算模型，進行應力求解，將該理論解與有限元分析及應力應變實測結果進行分析對比，驗證該解結果的正確性。