open cavity 中文意思是什麼
open cavity
解釋
開口腔-
The hymenium may be directly exposed to the air, as in the gills of the mushroom ( a basidiomycete ) or may open into a flask - shaped cavity, as in the perithecia of certain ascomycetes
子實層可能直接暴露于空氣，像蘑菇（擔子菌）的菌褶，也可能似瓶狀開口，如某些子囊菌的子囊殼。 -
Other than paying attension to these areas during the operation, the author believes there are several points for the effective removal of cholesteatoma : 1 ) use of open or open - closed method for mastoidectomy ; 2 ) incision made over some safe site on the cholestratoma sac to remove its content beforehand, which will fascilitate the elevation of matrix after wards : 3 ) exposure of the fallopian canal in the tympanic cavity before lowering down the facial ridge ; 4 ) care be taken of pediatric cholesteatoma ; 5 ) good control of blood pressure and bleeding during the operation ; and 6 ) illumination
除了特別的注意這些部位外，開放腔或開放后再封閉的手術法，由外而內的將外耳道先行擴大以充分露出術野，大型膽脂瘤囊袋內容物先取出再予剝離，講求顏面神經嵴削低的技巧，以及對小兒例的警戒心，術中出血的控制和照明的良好等，均為防止膽脂瘤殘留的要訣。 -
Several new styles of radial klystron oscillators are studied theoretically and numerically. these new members include : the radial klystron oscillator with foldaway - concentric cylindrical cavity, the radial reflex klystron oscillator with virtual cathode and radial reflex klystron with open foldaway - concentric cylindrical cavity
它們是折疊式諧振腔徑向速調管振蕩器，高功率虛陰極徑向反射速調管振蕩器，開放式同軸折疊式諧振腔徑向反射速調管振蕩器。 -
Pronounced with the tongue placed low and flat and with the oral cavity wide open, like the a in bath when pronounced like the a in father. used of vowels
開的發音時，舌頭放低並放平，口腔敞開，正如bath一詞中的a和father中的a發音一樣時。用於母音發音 -
A x - band six - cavity tro is studied. with the voltage 760kv 6ka and the magnetic field 2. 6t in the simulation, output power is about 1. 5gw is obtained, and interaction efficiency is 31 %. a noveland high accurate numerical synthetic technique is presented for determining the high frequency characteristics of six - cavity with open boundary
對粒子模擬的輸出微波功率的作出診斷，找到讀取微波功率快速有效的方法：在電場和磁場同相的前提條件下，對時域波形進行傅立葉變換，微波功率頻域的二倍頻所對應的幅度即為微波x波段渡越輻射振蕩器的理論和實驗研究平均功率的大小。 -
The numerical method based on the coupling of the finite difference method in time domain with the discrete fast fourier transform is applied to calculate the first four eigenfrequencies and eigenfunctions of the six - cavity with open boundary. the absorbing boundary condition for tem wave is tested numerically, and it is applied to writing the code. the cold testing of the cavity is done and the results are good agreement with the numerical results
計算x波段六腔開放腔前四個模式的場分佈;根據第二章公式分別計算x波段六腔開放腔前四個模式的電子負載電導並總結了這四種工作模式渡越效應的規律，基於這種小信號理論分析了x波段渡越輻射振蕩器，得到了工作模式及可能產生的模式競爭。 -
In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system
發現： （ 1 ）在考慮doppler展寬的情況下，通過選取合適的實驗室條件（比如合適的原子環境溫度等）可得到合適doppler展寬值，從而使系統獲得最佳增益； （ 2 ）要想實現系統的頻率上轉換，同時又要獲得足夠強的無反轉激光增益，則系統頻率轉換比不能選取的太大； （ 3 ）對于開放系統，比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的： （ 4 ）由於dopp1oy展寬的存在，當探測場與驅動場的傳播方向相反時，增益在探測場失諧的某一段區域產生振蕩，且振蕩的振幅、頻率失諧范圍的大小與dopper展寬的取值有關。 -
In the part of the experimental designs, a experimental configuration of an unstable cavity by use of two bbo crystals compensating the walkoff effect and pumped by reflection is presented, and two set of controlling systems designs of open and closed loop are also presented ; we realized closed loop controlling system of bbo optical parametric oscillator tuning system, by using american general scanning inc. ' s controller to control bbo crystal ' s rotation, and scaled the output wavelength with charge coupled device
在實驗設計上給出了利用兩塊bbo晶體補償走離效應返回式泵浦非穩腔的實驗設計，設計了開環和閉環兩套控制系統。通過使用美國通用掃描公司的掃描頭控制bbo晶體的轉動，用ccd對bbo - opo輸出波長進行標定，實現了bbo - opo調諧系統的閉環控制，相對波長調諧誤差小於0 . 04 ，並給出了354 . 7nm泵浦的類相位匹配bbo - opo輸出波長隨晶體轉角變化的理論和實驗曲線。 -
With the development of the industry, the need of the high performance material urge people to open up the big power equipment, the cylindrical cavity could not suffice the need
隨著工業的發展，對高性能材料的需求促使人們開發大功率的反應設備，傳統的圓柱腔已無法滿足需要。 -
Based on this arithmetic, the high frequency characteristics of five - cavity with open boundary is calculated by the code written in fortran language. then the transit effect of five modes of five - cavity with open boundary is also calculated using code mathcad and matlab. the results show that the working mode of five - cavity transit tube oscillator is 3 / 6 mode, and the analysis of the theory are in good agreement with the simulation results
根據從基於四腔渡越時間效應的自調制出發，經過一段飄移，然後再採用雙間隙提取腔邊耦合輸出高功率微波的思路，採用粒子模擬方法優化設計出一種峰值功率為1 . 5gw ，頻率為9 . 3ghz的六腔渡越輻射振蕩器，並研究了它的一系列工作特性。 -
When the pressure inside the mold cavity is too great, the mold opening force is greater than its clamping force. then, the mold will be forced to open and cause burr overflow
當塑料在模腔內的壓力太大，其分模力大於鎖模力，因而迫開工模，就會產生毛邊。 -
Simulation results show 2. 5 gw output power with a frequency of 1. 25ghz can be generated with an input of 620kv voltage, dc input power of 10. 5gw electron beam. ( 3 ) the radial reflex klystron with an open foldaway - concentric cylindrical resonant cavity integrates the resonant cavity and reflex cavity within one foldaway coaxial cavity, so it is a very compact high power microwave device
然後對這種器件進行了數值模擬研究，得到的典型結果為:輸入電壓620kv ，輸入直流功率io . sgw ，輸出微波峰值功率為2 . sgw ，虛陰極振蕩頻率被鎖定，頻率為1 . 25ghz ，微波飽和時間小於sns 。 -
Abstract : based on the enhanced effect of spontaneous emission in cavity quantum electrodynamics, the microcavity effect of vertical cavity surface emitting lasers ( vcsels ) is analyzed, and the results obtained in ordinary open cavities and in three - dimensional closed cavities are compared
文摘:依據腔量子電動力學中自發輻射增強效應，分析了垂直腔面發射半導體激光器的微腔效應，比較了普通開腔和三維封閉腔中的結果。 -
We can carry out surgical operations by combining the operation instrument with all kinds of endoscopes, such as alimentary cancer, stopping proliferation of tumour, getting through esophagus, resections of esophagus carcinoma and so on, avoiding cutting open trachea cavity and the curative effect will be prominent
其他獨特的用途，如食道癌晚期打開通道，擊碎膀胱結石，膽管結石等。同時也可用於普通外科口腔耳鼻喉科神經外科泌尿科婦科整形外科皮膚科等各醫療學科，進行臨床手術和醫學研究。 -
An open - ended coaxial resonant cavity for moisture content sensor is presented and developed
基於此提出了一種開路同軸諧振腔水分傳感器。
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