inside radius 中文意思是什麼

Straightedge rule ( square rule, slide gauge, inside and outside micrometer, steel tape, feeler, dial gauge, depth micrometer, wire gage, radius gage, thread pitch gage ) is a kind of common measuring tool

直尺（角尺、游標卡尺、內徑和外徑千分尺、鋼捲尺、塞尺、千分表、深度千分尺、線規、半徑規、螺距規）是一種常用量具。

Based on this model, the effects of geometric and structural parameters, such as injection pressure, rear pressure, length - diameter ratio, inlet round angle - radius ratio and non - axis symmetry of nozzle, on the distribution of the cavitation inside the nozzle are analyzed

基於這一模型進一步分析了噴射壓力、背壓和噴孔長徑比、噴孔入口圓角比、非軸對稱噴孔等幾何結構參數對噴孔內空穴分佈的影響。

According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。

The boundary layer can indicate the comprehensive influences of oil reservoirs, the physical properties ( reservoir porosity, permeability, fluid viscosity and its composition ) of inside fluids and development conditions such as pressure gradient : the layer thickness reduces with the rise of capillary radius ; when capillary radius is fixed, the thickness increases with viscosity rise ; the more polarity composition content is, the more obvious the absorption, the thicker the boundary layer, more and more obvious the characteristics of non - darcy filtration

邊界層反映了儲層、流體物性條件（儲層孔隙度、滲透率、流體粘度、組分）和開發條件（壓力梯度）的綜合影響，認為邊界層厚度隨著毛管半徑的增大而減小；在毛管半徑相同的情況下，邊界層厚度隨壓力梯度的增大而減小，最後達到一個臨界值；毛管半徑一定時，邊界層厚度隨粘度增加而增大；極性組分含量越大，吸附越明顯，邊界層厚度越大；邊界層厚度越大，非達西滲流特徵越明顯。

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。

Measurement of inside crook radius of elbow of 90 176 ; series pipe

系列圓管彎頭內彎曲半徑的測量

Based on in - depth analysis on characteristic and function principles of psd, combined with characteristic of measured object, this article presents an new real - time measurement for symmetrical degree, guiding - groove, twining angle, inside radius of long direction pipe ; completes designing work for hardware of function module and application software ; and gives analysis and computation on error sources and uncertain - degree of measure result. based on above work, this article develops a parameter - auto - chosen, integrated and automatic measurement device for beeline degree, guiding - groove symmetrical degree, twining angle and inside radius of long direction pipe

本文在深入分析研究psd的特點和工作原理的基礎上，結合被測量對象的特點，首次提出了長定向管導槽對稱度、纏角、內徑等實時自動化測量的一種新方法；完成了硬體功能模塊及應用軟體的設計工作；並對測量結果的誤差源及不確定度進行了分析和計算；在此基礎上研製了長定向管的直線度、導槽對稱度、纏角及內徑等參數自動、實時綜合測量設備。

The scraping coat technique for the thin layer propellant loading processing in mini inside radius solid rocket motor, precuring - bonding technique and secondary vacuum - pressure casting are developed and used to load the big slenderness ration ( 12. 5 / 1 ) solid rocket motor with thin web, internal insertion radial concentric dual - layer propellant

探索出小口徑薄層藥刮塗成型工藝、預固化粘結技術，二次真空加壓澆注，實施了大長細比（ 12 5 1 ）發動機薄肉厚內嵌式徑向同心雙層裝藥。

The research is based on a type of low - cost desktop rapid prototyping system which replaces the laser with common uv light. in stereolithography process, once the cross - section contours is obtained through the slicing processing on stl model, it is needed to do more data processing such as inside and outside boundaries recognition, facula radius compensation, scanning and path planning to generate process control data

在光固化快速成型工藝中，當由切片軟體對stl模型進行切片處理得到了層片截面輪廓后，為了形成加工控制數據，必須對截面輪廓進行諸如內外輪廓識別、工藝補償、掃描及加工路徑規劃等一系列的工藝數據處理。

A quarter circle with a radius of 1 m ( 1 yd ) from each corner flagpost is drawn inside the field of play

在比賽場地內，以距每個角旗桿1米（ 1碼）為半徑畫一個四分之一圓。