錐體上面 的英文怎麼說

中文拼音 [zhuīshàngmiàn]
錐體上面 英文
facies superior pyramidis
  • : Ⅰ名詞1. (錐子) awl2. (似錐物) awl-shaped things 3. (錐體) cone Ⅱ動詞(鉆) drill; bore
  • : 體構詞成分。
  • : 上名詞[語言學] (指上聲) falling-rising tone
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. Since we can't specify lx and ly, the vector l can lie anywhere on the surface of a cone whose axis is the z axis.

    由於不能確定Lx和Ly,矢量L可以處于以Z軸為軸的圓任意處。
  2. Since we can ' t specify lx and ly, the vector l can lie anywhere on the surface of a cone whose axis is the z axis

    由於不能確定lx和ly ,矢量l可以處于以z軸為軸的圓任意處。
  3. 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並具有局部形收縮截的軸對稱激波管利用兩相常比熱完全氣的歐拉方程組和有限積tvd格式在局部正交的網格進行了二維數值模擬。將消除兩種介質界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。
  4. 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,通過對滾齒超環行星蝸桿傳動的各參數進行簡化處理,利用計算機軟對滾齒超環行星蝸桿傳動進行了三維實參數化建模,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。
  5. 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,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拚命讀書,在他前的是一堆金錠,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制的不完善,功名考試極大的限制了學生的思維和想象力。
  6. 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、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 )提出了轉式閃速熱解反應器的最小角設計、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。
  7. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明: ( 1 )超音速霧化器的氣流場在導液管下端形成一個倒渦流,在二維空間呈軸對稱的雙峰分佈,負壓形成於這個倒渦流內; ( 2 )修正後的霧化氣速度公式可以滿足超音速霧化的要求; ( 3 )影響超音速霧化工藝最根本的因素有氣液質量流率比( gmr )的大小、霧化氣流量和倒渦流范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介質微n _ 2 ,導液管突出高度取h = 6 . 0mm ,霧化氣壓力取p = 1 . 0mpa ,合金過熱度取t = 167 ( t = 350 )時,所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方綜合性能最好。
  8. When she lit her lamp to get up in the morning she found that the snow had blown through a chink in the casement, forming a white cone of the finest powder against the inside, and had also come down the chimney, so that it lay sole - deep upon the floor, on which her shoes left tracks when she moved about

    她早點了燈準備起床,卻發現雪已經從窗戶縫里被風吹了進來,在窗戶裏形成了一個用最細的粉末堆成的,煙囪里也有雪吹進來,地板積了鞋底那麼厚的一層,當她在地板來回走動的時候,地板就留下她走過的腳印。
  9. Finally, by means of comparing the theoretical tooth surface equation with the tooth surface equation included errors of cutter position and cutter position angle, the quantitative analysis of the theoretical tooth shape and the tooth shape considering the errors of cutter position and cutter position angle was curried out based on the software above. from which, the effect of errors of cutter position as well as cutter position angle on the processed tooth shape and transmitting behavior of this kind of gearing was studied

    最後,通過比較雙圓弧弧齒齒輪齒理論方程與加入刀位及刀位角誤差后的齒方程,應用述軟和通過進一步的數值計算,進行了無誤差的理論齒形與加入刀位及刀位角誤差后所得到的實際齒形之間的定量分析,比較直觀、方便、準確地對刀位及刀位角誤差對雙圓弧弧齒齒輪的齒形以及傳動的影響進行了初步研究。
  10. The causes of formation of global form errors for sbg and its separation method are analyzed theoretically. the tooth surface deviation and pitch deviations resulted from tooth surface distortion are separated and derived

    從理論分析了螺旋齒輪整誤差的形成原因及其分離方法,根據整誤差的性質,分離出由於齒變形所引起的齒距誤差,獲得了齒偏差。
  11. 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

    多邊形的法向是該的法向量。在得到物表么網格模型后,可以通過計算該多邊形對應于輸入圖像的像素獲取紋理信息,進而映射得到物網格平紋理值。
  12. 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以降低求交計算的復雜度,該演算法可以減少光向圖像平投影計算的次數,以邊池搜索取代散亂點集進行的三角剖分; ( 2 )基於退化多邊形求交的多可見殼模型重構,系統引入退化多邊形的概念,把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,與傳統多可見殼重構相比,該演算法有以下幾點創新:在圖像平以退化多邊形組織投影和物輪廓的交集,把任意與物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多邊形快速相交演算法,該演算法在一定程度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點,從而得到物的點雲。
  13. It is comprised of a sensor head ( a quadrangular pyramid tip, a base, four quartz crystal plates ) and a network analyzer and an apparatus to apply three - axis force. according to mechanics, four plates of the quadrangular pyramid tip correspondingly receive four one - dimension forces when applying a three - axis force to the sensor head. because quartz crystal has a force - frequency effect, namely, resonance frequency change of the quartz crystal is in direct proportion to one - dimension forces applying to it, four certain resonance frequency changes of the four quartz crystal plates are corresponding to a three - axis force

    當傳感頭受三軸力作用時,根據力學的分析可以確定三軸力與四角四個單向力之間的對應關系,用分別貼在四角四個的四片壓電石英晶作為壓敏元件,由於石英晶的力頻效應(即石英晶在受到應力作用時,它的諧振頻率與應力大小成正比) ,從而最終確定了四片石英晶的諧振頻率改變量與傳感頭所受三軸力大小和方向之間的對應關系。
  14. The normal direction of such polygons is the normal direction of the cone face, on which the polygons lie

    網的基本單位是多邊形,該多邊形的所有頂點在一個經由物輪廓邊的
  15. 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

    述工作的基礎,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齒輪的三維建模軟。其中, c語言是計算部分, autolisp語言是模型建立部分, vc + +語言完成程序界的生成。
  16. And so without artificially analysing all the converging planes of the cone and ranks of the army or classes or ranks of any department whatever, or public undertaking, from lower to higher, a law comes into existence, by which men always combine together for the performance of common action in such relation that the more directly they take part in the action, the less they command, and the greater their numbers ; and the less direct the part they take in the common action, the more they command, and the fewer they are in number ; passing in that way from the lower strata up to a single man at the top, who takes least direct share in the action, and devotes his energy more than all the rest to giving commands

    因此,不用特意分解連成一的圓的各個部分一支軍隊的所有官職,或任何行政機關或公共事業中由最低級到最高級的職稱和職位,我們就可以看出一種法則,根據這種法則,採取聯合行動的人們結成下的關系:愈多地直接參與行動的人,他們的指揮權就愈小,他們的人數就愈多而愈少地直接參與行動的人,他們的指揮權就愈大,他們的人數也就愈少照這樣從底層升到最後那個人,那個人最少地直接參與行動,最多地發號施令。
分享友人