cavity well 中文意思是什麼
cavity well
解釋
洞穴井-
The risorius and the buccinator muscles assist in the retraction of the lips, as well as support entrapment of air within the oral cavity
笑肌和頰肌幫助唇的收縮，也支撐了整個口腔的氣體流通。 -
The propeller cavitation range determined by calculation method presented in this paper agrees with the observation result of cavity image at cavitation tunnel very well, which proves the practicability of this method
應用本文計算方法確定的螺旋槳空泡范圍經與空泡水洞中的空泡圖象觀察結果比較，證明了該方法的可行性。 -
For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。 -
Vertical - cavity surface - emitting lasers ( vcsel ' s ) have distinct advantages over conventional edge emitting lasers, such as small divergence angle, single longitudinal mode operation and very low threshold current. they are especially suitable for making two - dimensional ( 2 - d ) arrays as well as vcsel ' s based integrate devices
垂直腔面發射半導體激光器（ vcsel ）與傳統的邊發射半導體激光器相比，它具有發散角小、單縱模工作、非常低的閾值電流等優點，尤其它適於二維面陣集成和與其它光電子器件集成。 -
The properties of cavity sandwith panel infill steel frame, such as hysteresis characteristics, stiffness, ducfility, failure models and characteristic of dissipation of energgy were gained in the test and compared with ordinary steel frame. the properties of cavity sandwith panel infill is abtained as well. 2
通過試驗得出了空腔砌塊復合墻體鋼框架在低周往復荷載作用下的p -滯回性能、剛度關系、延性系數、破壞形式及耗能性能等特性，並與相同尺寸的一榀純框架的相關特性作了對比分析。 -
Introduced working state real time monitoring and testing, fault diagnosis system and its key instrument, including the working principle of torsion, axial force, rotary speed as a whole sensor, the main parameter index of oil well using progressing cavity pump
介紹了螺桿泵採油系統工況實時監測與故障診斷系統及其核心儀器：扭矩、軸向力、轉速一體化傳感器工作原理、主要參數指標。 -
Abstract : introduced working state real time monitoring and testing, fault diagnosis system and its key instrument, including the working principle of torsion, axial force, rotary speed as a whole sensor, the main parameter index of oil well using progressing cavity pump
文摘:介紹了螺桿泵採油系統工況實時監測與故障診斷系統及其核心儀器：扭矩、軸向力、轉速一體化傳感器工作原理、主要參數指標。 -
And then, the cavity flow is simulated, and the streamline and pressure contour at different reynolds number are plotted, the stream function and location of vortex centers are agree well with the previous results, which indicate the incompressible lattice bgk model is reliable
進而對方腔流的速度場和壓力場進行了計算，繪制了不同雷諾數下的流線圖及壓力等高線圖，得到的迴流渦的位置和流函數的值和現有的數據十分吻合，表明本文不可壓格子模型是可靠的。 -
In this thesis we discuss these three aspects in detail and our main research work is outlined as follows : in section 2 we first give a definition of entanglement and illustrate some distinctive qualities of entangled states, then explain how to describe entanglement of multi - particle quantum state. in section 3 we show many existing different schemes for preparation of entangled states by spontaneous parametric down conversation, cavity quantum electrodynamics and iron traps, moreover we present new schemes to prepare multi - atom entangled states as well as multi - cavity entangled states
在第二章中我們將給出糾纏態的定義和度量，研究糾纏態的一些特性，第三章中我們將系統介紹目前理論上利用自發參量下轉換，通過腔量子電動力學和離子阱制備糾纏態的各種方案，以及在實驗上的進展，並在論文中重點提出了利用原子和腔場相互作用來制備多原子糾纏態和多腔場糾纏態的方案。 -
In this thesis, the mechanism analysis and numerical simulation on the coupling flow field of microwave plasma within resonant cavity of mpt was discussed and the subsystem of small thrust measurement as well as the vacuum experimental study of mpt were completed
在航天飛行器上有廣闊的應用前景。本論文對mpt微波等離子體耦合流場進行了機理分析和數值模擬，建立了mpt的小推力測量系統，協同進行了mpt真空環境實驗研究。 -
Mushy pvc ( dop + additives ) - beater ( stir well ) - vacuuming ( materiel has been completely dewatered and debubbled after vacuuming ) or mix with color paste which has been processed by ball mill and then dropped into mould cavity by needle cylinder ) - solidified in the constant temperature box ( color fixing ) - input basic material - sent to the constant temperature box in the flowing way and then forming and then forming and sent out automatically - cooled by fan - finished products
糊狀pvc （增塑劑dop +助劑- - -打漿機攪拌均勻- - -抽真空處理） （真空機處理后的物料已完全脫離水分和氣泡）或球磨機處理后的色漿混合後用針筒滴入模具形腔- - -放入恆溫箱中固化（色彩定形） - - -注入底料- - -流水式送入恆溫機，定型后自動送出- - -風扇冷卻- - -成品 -
A slight oscillation showed dant s that all went well. at the end of an hour the stone was extricated from the wall, leaving a cavity a foot and a half in diameter
他開始撬動，大石塊動了一下，他明白這個主意不錯，一小時以後，那塊大石頭就從墻上挖了出來，露出了一個一尺半見方的洞穴。 -
Conclusion casting post - core crown with cavity retention form is a convenient technique which can restore the residual crown and root of the short molars effectively and optimize the retention form as well
結論：洞固位形鑄造樁核冠修復短磨牙殘根殘冠既方便，簡潔，又解決修復體固位困難問題。 -
Then some cavity quantum electro - dynamic ( cqed ) effects are studied by experiment. the photoluminescence ( pl ) intensity enhancement at resonance wavelength and suppression at off - resonance wavelength, emission spectrum narrowing as well as emission intensity redistribution in space are observed in the microcavity device fabricated with distributed bragg reflector ( dbr ) and silver mirror as well as that done with two silver mirrors
分別在帶有dbr結構的平面微腔及全金屬鏡構成的平面微腔中觀察到了諧振模式處的輻射增強及非諧振模式處的輻射抑制，發射譜線窄化以及輻射強度空間分佈重組等腔量子電動力學現象。 -
Using the typical moled structure glass / dbr / ito / htl / eml （ etl ） / al ， the el spectrum narrowing, intensity enhancement in the normal direction as well as emission intensity redistribution in space are observed. by the introduction of single layer silver film instead of the dbr / ito multilayer, a ( / 2 - length cavity is obtained. using this kind of microcavity, three - color single mode pl from a single material alq and three - color single mode el from double layers pvk / alq are achieved for the first time
通過以金屬銀替代多層結構的dbr / ito ，既作為反射鏡，又作為el器件中的空穴注入電極，設計出腔長只有（ / 2的超短微腔，採用同一種寬譜帶材料alq作為光發射層，首次報道了三基色單模光致發光和pvk / alq雙層結構的三基色單模電致發光。 -
Studies the reinforce of the sliding construction, which is applied to the main structure, heavy load supporting and supporting for cavity. puts forward a effective reinforce program. the synchro - control, automation and inspection of the sliding construction is researched as well
分析了滑移施工中的加固問題，闡明了加固基本原理及計算方法；通過對胎架滑移主體結構加固、重載承重架加固以及空洞支撐加固的分析，提出了有效的加固方案。 -
Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。 -
Laser diodes : feedback and stimulated emission. cavity design ; double heterostructure concept. quantum well, wire, dot active regions. strained layers ; pseudomorphic active regions
回饋與受激放射。共振腔設計，雙異質結構之概念，量子井、量子線與量子點之主動層。應變層，假晶材料之主動層。 -
The trends of dpssl are pointed out, the wide application fields, as well as the bright market future of high power dpssl are also summarized. in the chapter 2, all kinds of solid - state laser gain materials are introduced in detail. in the chapter 3, the theory on the mode - matching of the pump beam and the cavity mode is analyzed in detail based on the basic theory and work principle of ld - pumped all - solid - state laser
本論文第一章從二極體泵浦固體激光器的優勢出發，介紹了二極體泵浦固體激光器的發展，指出了dpssl的發展方向，概括介紹了大功率dpssl的諸多應用領域和廣闊的市場前景；第二章對固體激光增益材料作了詳細的介紹；第三章基於ld泵浦固體激光器的基本理論和工作原理，從理論上詳細分析了ld端面泵浦激光器中泵浦光與腔模的匹配問題。 -
The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well
對產生946nm譜線的準三能級結構給出了較為完整的分析，利用激光諧振腔處于穩態時的速率方程，導出了準三能級nd ： yag946nm起振時，透射損耗與最佳激光晶體長度的關系，在與1064nm透射損耗相比較的基礎上，給出了不同的腔損耗情況下的最低鍍膜要求，並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系，這為設計室溫下高效運轉的946nm激光器的提供了理論基礎，這種分析方法對研究此類低增益，準三能級或三能級激光系統輸出特性有借鑒意義。
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