真空腔 的英文怎麼說
中文拼音 [zhēnkōngqiāng]
真空腔
英文
vacuum-chamber-
4. the thrust measurement device was calibrated, and the accuracy was 2 % fs. at the same time the signal of thrust measurement was input to the computer. e - type chromel - constantan thermocouple was used to measure the temperature of mpt, and the accuracy was 5 % fs. the vacuum measurement was realized by using zdf - 5427m vacuometer, and the accuracy was 3 % fs
（ 4 ）對推力測量系統進行了標定並實現了計算機採集，推力測量系統最大相對誤差為2 fs ；溫度測量目前還只限於對mpt諧振腔壁溫的測量，使用e型鎳鉻?康銅熱電偶即可較容易實現，其測量精度為5 fs ；真空測量採用zdf - 5427m微機型復合真空計，其由熱偶計和熱陰極電離計復合而成，該真空計測量控制精度為3 fs 。The vacuum is picked up from one of the primary-barrel venturis and is called venturi vacuum.
真空是由主腔中的一個腔的喉管建立的，被稱為喉管真空。Finally we focus our attention on studying the emission spectrum of two atoms driven by a single - mode field in an ideal cavity. we showed that the atomic emission spectrum is insensitive to the phase of field for the two atoms initially in the coherent superposition state tf / = v2 / 2 ( j +, - ) h ? + } ), when the two atoms is initially prepared in ( fs * } = cos ( 0 / 2 ] +, + ) + sm ( 0 / 2 ) ei ' p -, - ), the atomic emission spectrum is associated with not only the field photon - number distribution and the atomic populations, but also the phases of the field and the atomic dipole
接著考察了好腔中由單模量子場驅動的雙原子發射譜，結果表明初態為的雙原子發射譜與驅動場的相位無關；而初態為的雙原子發射譜不僅與光場的光子數分佈以及原子的布居數有關，而且依賴于光場的相位以及原子偶極矩的相位，並且在適當的條件下，壓縮真空場可將雙原子俘獲在相干疊加態。It is found that if the cavity dissipation is losses and the reservoir is in vacuum, the quantum nonlocality appears periodically. when the cavity dissipation and the average photon number of the reservoir are taken into account, the initial quantum nonlocality will be lost. the rapidity of the loss of the initial quantum nonlocality depends on the amplitude of the initial field, the average photon number n and the cavity damping constant k
結果表明，如果腔場無損耗且處于真空庫，則量子態周期性地顯現出一定的非局域性；如果考慮到腔場的損耗和熱庫的平均光子數，那麼，量子態將會喪失它初始的非局域性，初始量子非局域性喪失的速度與初始腔場的幅度、腔的衰減系數以及熱庫的平均光子數有關，場越強、平均光子數和衰減系數越大，量子非局域性喪失得就越快。In this thesis, we studied the effects of the initial field state and thermal environment on quantum nonlocality and purity in atom - field system, in which the field initially in the squeezed vacuum state and in the squeezed coherent state are considered respectively
本文研究了光場初態和熱庫性質對原子?場耦合系統量子非局域性的影響，分別討論了腔場初始處于壓縮真空態和壓縮相干態兩種情形。The piston moves up and down in the piston chamber primarily in response to changes in intake manifold vacuum.
活塞主要因進氣歧管真空度的變化而在活塞腔內上下移動。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It is a quite complicated system and involves many fields : accelerator physics, microwave electronics, vacuum physics, low temperature physics and etc. based on this facility, there are some physics issues " analysis and numeric simulation on the accelerator in this dissertation
中物院應用電子學研究所的30mevlinac是為fel實驗建成的國內第一臺l波段駐波腔加速結構linac ，它涉及到加速器物理、微波電子學、真空物理學、電子學和控制學等多種學科，是一個非常復雜的系統。According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity
論文的工作和新見解主要包括： 1在設計狀態和工作狀態下，根據mpt的實驗參數，對mpt使用不同工質時的性能進行了工程估算，這對mpt現階段的實驗研究和今後的研究有重要的指導意義； 2對于he 、 ar推進工質，討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功率、工質的質量流量以及環境真空度對mpt真空啟動和穩定工作的影響，並探討微波的輸入功率、工質的質量流量對諧振腔壓強、推力、反射功率以及諧振腔溫度的影響； 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質，主要討論與he 、 ar工質不同的特性，並從長遠的眼光和工程應用的角度，認為其可行性不容置疑，潛在優勢不可忽略，是未來mpt應用的主流推進工質。Unlike oil pumps for traditional industries, our dry pumps are specified for the use of semiconductor companies. the rotor of vacuum space is not sealed with oil, but with the application of the minute clearance and high - speed rotation. therefore, a special demand is laid on the precision manufacture techniques, assembly procedures and profile design of roots rotor
以乾式真空幫浦為例，在2001年2月第一臺賣出去以來，已賣出數百臺，本乾式真空幫浦等級屬於半導體廠專用乾式真空幫浦，不同於傳統產業使用的油式真空幫浦，旋轉轉子真空腔體內不用油去密封，而是用微小的間隙配合高速旋轉的轉子進行密封，因此特別講究精密加工技術精密組裝技術魯氏轉子線型設計。To achieve this temperature, the atoms must be isolated in a vacuum cell, suspended in free space by magnetic fields, and chilled by laser cooling and another technique called evaporative cooling [ see box on page 51 ]
要達此溫度，原子必須隔離在真空腔里，利用磁場而漂浮在真空中，並以雷射冷卻法或另一種稱為蒸發冷卻的技術來降溫（參見87頁降溫大法） 。By the design of microwave electric field mode and microwave mode converter ( mmc ), the thesis participated in equipping an domestic microwave plasma chemical vapor deposition ( mpcvd ) equipment with a quartz glass window and water - cooled stainless steel resonant chamber in 2450mhz / 5 kw, introduced the basic machineries and functions of the sub - systems, including microwave system, gas - route system, vacuum system, detecting system and safeguard system
論文通過微波場型和模式轉換器的設計，參與建立了一套2 . 45ghz 5kw帶有石英玻璃窗、水冷卻不銹鋼諧振腔的微波等離子體化學氣相沉積（ mpcvd ）系統（ mpcvd - 4型） 。論述了包括微波系統、氣路系統、真空系統、檢測系統和保障系統等結構的組成及基本功能。These equipments are vacuum system which is made up of diffusion pump, pipes, water - cooling baffle and rotary vane pump ; the whole chamber, wall and water - cooling wall are made of stainless steel ; the lower part is equipped with cool water sleeve which can fast take out air to gain 10 - 4 or higher vacuum, therefore they are widely used in high - tech fields, such as the platting, electronic, metallurgy, chemical engineering, atomic energy, materials and medicine etc
Kt系列擴散泵機組是由凸腔擴散泵管道水冷擋板機械泵等組成的高真空系統，整個泵腔泵壁及水冷壁全部由不銹鋼作成，下部配有降溫用急冷水套，抽氣速度快，極限真空高，它可使被抽容器獲得10 - 4或更高的高真空，因此廣泛適用於鍍膜裝飾電子冶金化工原子能材料醫藥等等各種高新技術領域。( 3 ) constructs fiber optical sensing system for vacuum measuring, carries out vacuum measuring using elastic deformation of metal diaphragm for reflex fiber sensor
設計了一套強度調制型光纖真空度傳感系統，並利用真空腔室金屬膜片壓差的彈性微形變實現了反射式光纖真空度連續檢測。Consequently, bec researchers got accustomed to surrounding their vacuum cells with powerful but cumbersome electromagnets
因此， bec的研究人員習慣在真空腔旁，繞上強力卻笨重的電磁鐵。On the other hand, we design the vacuum equipment to research the coating technology using explosive wires
此外，利用裝置的初級能源系統，設計了利用爆炸絲在真空腔中鍍膜的裝置。Considering two two - level atoms initially in the non - maximally entangled state, one of them is put into an initially empty cavity and resonant interaction occurs
摘要考慮兩個全同的處在非最大糾纏態的雙能級原子，將其中一個與共振的真空腔場相互作用。On the other hand, most of stms were produced overseas. these stms are always equipped with advanced components such as vacuum chamber, therefore they are costly and require severe maintenance
但是國內現有的stm大多依賴國外進口，這些stm包含了真空腔等高級部件，因此價格昂貴，且維護要求極其嚴格。In the third chapter, three two - level atoms initially in the w state, then two atoms of them will be put into two initially empty cavities and make resonant interaction respectively. after manipulating the atom outside the cavity, we will consider the change of the squeezed feature of the cavities
第三章中，我們將處于w態的三個原子中的兩個分別注入到兩個與之共振的真空腔場中，再對腔外的原子進行操作，來研究操作前後腔場雙模壓縮性質的變化。The second chapter will consider three two - level atoms initially in the ghz state, then an atom of them will be put into an initially empty cavity and make resonant interaction. after manipulating the atoms outside the cavity, we will consider the change of the squeezed feature of the cavity. moreover, this result will be generated to n two - level atoms
在第二章中，我們提出了這樣一個模型，就是將處于ghz態的若干兩能級原子中的一個注入到與之共振的真空腔場中，然後對腔外的原子分別進行旋轉和測量操作，來研究操作前後腔場單模壓縮性質的變化。分享友人