柱半徑 的英文怎麼說
中文拼音 [zhùbànjìng]
柱半徑
英文
column radius-
This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo eh11 and the position and radius of reflector
摘要分析了圓柱形波導氣體激光器中的耦合損耗,給出了最低階波導模eh11的耦合損耗與反射鏡位置、曲率半徑的函數關系。Measuring element diameters for the radial or diametral dimension for testing tooth thickness of cylindrical gears
圓柱齒輪齒厚測試用的半徑或直徑測量元件的直徑Thyrses 5 - 7 cm in diameter, sparsely flowered, with 2 - 5 white sterile marginal flowers about 2 - 3 cm in diam. ; peduncles 2 - 4 cm long ; fertile flowers yellowish white, corolla c. 3 mm in diam., rotate, lobes ovate, half as long as corolla tubes ; stamens nearly as long as corolla, anthers oblong ; styles slightly higher than calyx teeth
聚傘花序直徑5 - 7厘米,花稀疏,外圍有2 - 5朵白色、直徑2 - 3厘米的不孕花,總花梗長2 - 4厘米;可孕花花冠黃白色,直徑約3毫米,輻狀,裂片卵形,長約為筒之半;雄蕊與花冠幾等長,花藥矩圓形;柱頭略高出萼齒。According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger
運用非牛頓流體力學理論和數理方法,結合抽油泵柱塞運動特點,假設液體為不可壓縮的,液體在縫隙中流動的水力半徑很小,呈層流流動,柱塞在每一位置的瞬間,流動做定常流處理,建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件,引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度,並給出縫隙流流速、流量的解析解。In this paper, we designed the structure of the gear and rack in this actuating mechanism, elaborated the theory of its formation, and deduced the profile function and gearing function of the gear and rack. furthermore, we deduced the inherent radius of going around a turn under certain circumstance, the condition of the correct gearing and the continuous transmission. in order to make the mechanism move steady, we designed the derivation mechanism and manufacture the modle
本文對該傳動機構中的漸開線柱齒鼓形齒輪和空間齒條的結構進行了設計,並給出了齒輪和齒條的成型原理,推導出了漸開線柱齒鼓形齒輪和空間齒條的齒廓參數方程、嚙合方程;進一步分析並確定了漸開線柱齒鼓形齒輪、空間齒條在給定嚙合傳動條件下所能實現的固有轉彎半徑和運動約束條件,並對其側隙及效率進行了計算和分析。In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。In the first part, the method of velocity coefficient was used to design a 100mm diameter impeller with five single - arc - cylinder blades, and the method of velocity moment was applied to design the volute " s cross - section. the volute " s cross - section is a rectangle, which was designed as a whole structure with the front shroud of the pump. a special lighting window was designed on the side
在第一部分工作中,設計了一個帶半開式葉輪的微型泵:葉輪外徑100mm 、共5片單圓弧圓柱形葉片;蝸殼採用速度矩法設計,內為矩形斷面,和泵殼前蓋板為一整體、透明結構,側面專門設計一個打光窗口。" account customers are an important segment of our customer base, and through the scheme we intend to show our recognition of their support over the years, " said mr. luk
14號巴士…西灣河至赤柱炮臺。在黃麻角徑下車,步行三分鐘便到達中心(大約每半小時一班) 。3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens
3 .針對由柱透鏡和聚焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題,提出了:用一段直徑為600 m的裸石英光纖代替柱透鏡,對半導體激光器輸出光束進行準直整形;用球透鏡光纖對準直后的光束進行聚焦,直接實現和光纖耦合,來代替聚焦透鏡和光纖耦合的環節。With the different loading ratio of parallel to axis and normal to axis direction, damage defects will occur bulking problem. by varying the degree of material anisotropy relative to the loading axis such as poisson ' s ratio and shear modulus, crack growth bulking strain value parallel to or normal to the loading axis is different. the parameters controlling the growth or arrest of the delamination damage are identified as the geometry and the depth of defects and radius of cylindrical etc. at last, it was investigated that the delamination damage is often induced by the tip of matrix damage under higher stress
研究結果表明:殼體筒段受軸向拉伸和內壓載荷作用時,軸向和環向載荷的比率不同,母層和子層可能發生拉伸屈曲,也可能發生收縮屈曲,或者同時發生拉伸和壓縮屈曲;母層與子層各向異性存在差異,即泊松比與剪切模量不匹配時,將使子層板的邊界上承受壓縮和剪切作用,當分層達到臨界狀態則發生屈曲,當母層與子層的各向異性差異越大,則發生分層屈曲的可能性越大;分層損傷的屈曲應變值與子層自身的彈性模量、分層子層的形狀、厚度以及圓柱半徑等因素有關。The curvature interference of the gear and the influence of radius of the mill - cutter, axial misalignment, and center distance on meshing are analyzed. based on these analyses, propose two methods to achieve point - contact : to change the radius of the mill - cutter and increase the center distance
在分析了弧齒線圓柱齒輪的嚙合傳動不產生曲率干涉的條件和刀盤展成半徑、軸線平行度誤差、中心距對嚙合影響的基礎上,提出了點接觸弧齒線圓柱齒輪實現的兩種方案:調整刀盤展成半徑和增大中心距。According to the virtual endoscopy automatic navigation, using the two - distance field - based 3d center path finding algorithm to find the path, adopting the cylindrical approximation of tubular organs to replace the center path by several approximate cylinders, while using distance transformation that is substituted by euclidean distance to calculate the approximate cylinder ' s axis and radius, the algorithm can save much time
摘要針對虛擬內窺鏡自動漫遊技術,利用基於雙距離場的三維中心路徑提取演算法進行路徑提取,採用管狀器官的圓柱狀近似,將中心路徑用多個近似的圓柱體代替,用距離變換代替歐式距離公式計算近似圓柱體的軸和半徑,節省了大量的計算時間。The effect of the radius ratios of the hollow cylinder to the wave propagation is also discussed
還討論了壓電圓柱殼體半徑比對波傳播的影響。Main factors influencing radius definition and pillar leaving in calculation of the strata movement
巖移計算中主要影響半徑確定及煤柱留設的問題分享友人