錐上角 的英文怎麼說

Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

這種方法的積分方程的積分核里含有復雜的微積分運算，為了簡化計算，本文在推廣的海倫積分方程的基礎上，對方程進行了簡化，推導了nakano方程，並以平面阿基米德螺旋天線，平面等角螺旋天線，軸向模圓柱螺旋天線，具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例，用矩量法求解了天線上的電流分佈，研究了螺旋天線輻射的寬頻帶特性，所得的結果均與參考文獻吻合很好。

Benefit of this modified shape is that the expansion around the first corner reduces the initial pressure coefficient on the frustum to low values.

這個改進的外型的優點是繞第一角點的膨脹會把截錐上的初始壓力系數減少到很低的值。

The beyond is the simple notation of serial number of pricker, totaled 7 digits of codes, in which the first digit represents the diameter of needle - bar of pricker, the second digit represents the siding of triangle side on functional section of pricker, the third digit represent the length of functional section of pricker, whereas in standard notation, it represents the distance from needlepoint to gradual deflating small port ( lower port ), the fourth digit represents the total length of pricker, which is the distance from the inside of bending helve to the needlepoint, the fifth digit represents the total quantity of dents on the cording of functional section, and the sixth digit represents the model of barb on functional section, while the seventh digit represents the distance between barbs on functional section

以上為刺針編號的簡單寫法，共7位代碼，第一位是刺針針桿的直徑；第二位是刺針工作段三角面的邊寬；第三位是刺針工作段的長度，同標準寫法所不一樣的是針尖到漸縮錐小口（下口）的距離；第四位是刺針的總長度，按彎柄內側至針尖的距離；第五位是工作段棱上的總齒數；第六位是工作段上鉤刺的型號；第七位是工作段上鉤刺與鉤刺之間的距離。

It can roll different kinds of paper cone cup after the paper ( such as the stencil paper, pe coated paper and aluminum foil papaer ) is sprayed with thermosol. this machine can shape angles from15

它能在各種紙張上噴塗熱溶膠后卷繞成形各種圓錐紙杯，圓錐紙杯的角度可以在15o18o ，

The glint suppression using high resolution range profile under conical angle measurement is studied, the angle information in signal components of scatters are extracted and averaged to suppress the glint. nonlinear kalman filtering methods under near spherical coordinate are analyzed and used to get more accurate tracking

研究了圓錐掃描測角體制下基於距離高分辨的角閃爍抑制方法，利用距離維高分辨像，提取強散射中心反射信號分量，在此基礎上估計出各個強散射中心的角度測量值，採用平均方法減少角閃爍對測角的影響。

Abstract : this paper analyzes theoretically the effect of the reversed cone angle and length of the plug on restraint and elimination to the distortion of the internal spiral ribs, and put forth the design methods of the plug in drawing rifled tube

文摘:從理論上分析了芯棒倒錐角和芯棒長度對內螺旋凸筋形狀畸變的抑制和消除作用，提出了採用倒錐形等螺距芯棒拉拔內螺紋管時芯棒幾何參數的設計方法。

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。

At first, on the basis of the sufficient and necessary optimality conditions, we give a certain algorithm to compute the trust region subproblem ; then, we draw out a different scheme for parameter vector in cim

在分析子問題最優性條件的基礎上，我們給出了錐函數模型信賴域子問題的求解演算法；並從數據擬合的角度提出了對錐模型中參數向量的另外一種選擇方案。

A series of results are achieved such as fluid field thermal field pressure field and stress field. those results show that sphere target has better heat exchange and convenient fluid structure and that cone target is easy to accepting neutron and has the convergent stress. taking into account the thermal - hydraulic and physics discipline, solid target choose sphere structure but liquid target still should further consider of material study

計算結果表明：圓球靶型散熱快，流道設計方便;錐形靶易於接收中子，但結構易引起應力集中，在綜合熱工、物理兩個角度，固態靶選取圓球型鎢靶比較滿意，液態靶區的計算需要在材料研究的基礎上進行。

Conical seating at an angle to flow is self aligning, tight and always closed in a no - flow situation. even in vertical ( flow - up ) pipe runs, this valve provides exceptionally tight shutoff

圓錐形閥座與流向具有一定的角度，能夠自行調整，在無流體狀態下能夠始終緊密關閉。甚至在垂直（流向朝上）管道上，這種閥門具有特別緊密地關閉特性。

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錐齒輪齒面理論方程與加入刀位及刀位角誤差后的齒面方程，應用上述軟體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錐齒輪的齒形以及傳動的影響進行了初步研究。

In the paper, the latticed shell of double - layer hyperbolic pyramid is vertically applied to the structure of cooling tower and reinforced concrete planks with ribs are put up around the latticed shell, in accordance with situation that the most latticed shells are applied to lateral roof and cooling tower is put up by the reinforced concrete structure, a kind of new construction that includes the lower reinforced concrete structure and the upper latticed shell structure is established

本論文把雙層雙曲線四角錐網殼結構豎向應用於冷卻塔的筒壁，在網殼的周圍掛鋼筋混凝土帶肋板。由於目前大多數網殼結構都水平應用於屋蓋或樓蓋結構和冷卻塔筒壁大多數採用鋼筋混凝土結構，本文的研究形成了一種上部網殼結構下部鋼筋混凝土結構的新型結構。

Along with the striking vertical nose fins they added in france, the team also added two ' horn ' wings, similar to those on the mclaren, behind the driver ' s head

除了在鼻錐加上兩片特殊的直立鰭之外，在法國，車隊亦在車手頭部後方加上兩片牛角狀的翼，類似邁凱輪車上的那些。

Squares with tapered and parallel sides for valves for shipboard use

船上閥用帶有錐形和平行面的直角器

Screen coordinates are expressed in number of pixels, while coordinates in the frustum are normalized to a range of - 1. 0 to 1. 0

視圖錐截體的原點（ 0 ， 0 ）在屏幕中心，而屏幕坐標的則在屏幕的左上角。

The viewing frustum has an origin ( 0, 0 ) at the center of the screen, while screen coordinates have an origin at the upper left of the screen

視圖錐截體的原點（ 0 ， 0 ）在屏幕中心，而屏幕坐標的則在屏幕的左上角。

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。

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錐體四個面上單向力之間的對應關系，用分別貼在四角錐體四個面上的四片壓電石英晶體作為壓敏元件，由於石英晶體的力頻效應（即石英晶體在受到應力作用時，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體的諧振頻率改變量與傳感頭上所受三軸力大小和方向之間的對應關系。

Direction ( mule drive ) and is also suitable for use on conical pulleys ( taper - cone drive )

成角度地轉動，還適于錐形帶輪上（圓錐驅動） 。