magnetic cooling 中文意思是什麼
magnetic cooling
解釋
磁冷卻-
Increasing the cooling velocity and additions of nb and zr can refine the a - fe dendrites in as - cast alloys, decrease the amount of a - fe phase after homogenization treatment. as a result, the magnetic. properties were improved
提高鑄錠的凝固速度及添加nb和zr可以促進鑄態合金內- fe相的晶粒細化及均勻分佈，減少均勻后殘留的- fe相，提高均勻化的效率和質量，從而提高磁體的矯頑力。 -
A high - speed generator is much different from a low - speed one not only on the mechanical aspect but also on the electrical - magnetic aspect. the main content of this paper are focused on the followings : first of all, a series of problems caused by the high speed are researched and the relative solutions are given out about the stator, the research focuses on stator losses, winding type, cooling system and so on
高速發電機轉速很高，無論在機械性能方面，還是電磁性能方面都與低速電機有較大不同，本文主要內容就是圍繞高速永磁發電機的設計特點從以下幾個方面展開的：首先，對高速電機因高轉速引起的一系列問題進行了研究，提出了解決相關問題的措施。 -
3. we do short circuit analysis upon multiple magnetic circuit transformers by use of steady non - linear analysis and get the leakage reactance respectively between high voltage and high voltage 、 high voltage and low voltage 、 two high voltage and low voltage 、 low voltage and high voltage and low voltage and two high voltage. what ’ s more, we do finite element analysis upon the temperature field of transformers and according to its distribution we get the wind speed to forced air cooling
3 、採用穩態非線性分析法對多磁路變壓器進行短路阻抗計算，利用能量法計算出變壓器高壓與高壓、高壓與低壓、兩高壓與低壓、低壓與高壓以及低壓與兩高壓之間的漏感;對變壓器的溫度場進行有限元分析，確定溫度場分佈情況。 -
After a simulated sample is given, we compute on this sample coupling analysis and steady non - linear analysis. by contrast with the experimental outcome of short circuit, we make certain that steady non - linear analysis should be used to analyze a true model. and then, we confirm the external conditions of finite element heat analysis after analyzing the cooling ways of multiple magnetic circuit transformers
2 、論述了有限元分析的電磁場和溫度場的理論基礎;製造出模擬樣機，分別用耦合場分析法和穩態非線性分析法對其進行計算，計算結果與其短路實驗結果進行對比，驗證了穩態非線性分析法計算結果的可信性;分析多磁路變壓器的冷卻方式，確定有限元熱分析的外部條件。 -
Magnetic head is designed by six magnetic poles in symmetrical distribution, the design of excitation loop and excitation angle makes magnetic field act on welding arc region which could control welding arc effectively. the insulation, cooling and hermetization of magnetic head avoid the influence on magnetic field of outside ; miniaturization design of magnetic head could achieve different welding process
磁頭裝置採用六磁極對稱勵磁方式設計，勵磁線圈和勵磁角度的設計使產生的磁場恰好作用於焊接電弧區域以實現對電弧的有效控制;磁頭的絕緣，冷卻，密封設計避免了焊接過程中外界因素對磁場的干擾;磁頭整體的小型化使該裝置可以實現多種形式的焊接工藝。 -
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） 。 -
Evaporative cooling can work only in a trap, and magnetic traps are the ones that work best with this cooling technique
蒸發冷卻法只有在阱里行得通，而這種冷卻技術配合磁阱來做效果最好。 -
3. sliding bearing and isolation cover are the key parts which influence magnetic force pumps " safely running, pump ' s interior pressure and cooling holes are induced through analyzing outer and inside alnicos, sliding bearings " cooling flux
滑動軸承和隔離套是影響磁力泵可靠性的關鍵部件，通過分析冷卻內外磁鋼和滑動軸承的冷卻流量，反推計算出泵內壓力場，給出冷卻孔設計的方法。 -
The main works and results we have accomplished are as follows : 1 ) red - detuned locking of cooling / trapping laser to the cycling transition of cesium cooling has been accomplished by means of a double - passed acoustic - optical frequency shifting system and the technique of saturated absorption spectroscopy. the short - term residual frequency jitter is less than 350khz ; 2 ) automatic controlling system by computer programs has been established for laser cooling and trapping and cavity qed experiment. the laser and magnetic fields can be controlled by the acoustic - optical modulator and the electronic - controlled logic gate respectively
具體如下： 1 ）採用了往返兩次通過的聲光頻移系統結合飽和吸收光譜技術的實驗方案，實現了冷卻俘獲激光頻率相對于銫原子冷卻循環躍遷的負失諧鎖定，短期頻率穩定度約在350khz以內，並可方便地調節其負失諧量而無須對后續光路再作調整； 2 ）建立了一套基於計算機程序控制的、銫原子激光冷卻與俘獲實驗所需的時序控制系統。 -
In order to obtain the tolerance requirement for the magnetic field homogeneity of the solenoids in electron cooling device, the source of the magnetic imperfection and its influence on the transverse temperature of electron beam were investigated by means of numerical simulation, and taking the space charge effect of electron beam into account
摘要分析了直螺線管磁場缺陷的來源，考慮了電子束的空間電荷作用，採用數值方法模擬計算了磁場缺陷對電子束橫向溫度的影響，獲得了電子冷卻裝置中直螺線管磁場的均勻性要求。 -
The layout of cooling pipe was determined according to the above results. the magnetic force produced by ssm magnet on the anti - solenoid of scq magnet was calculated, which is in good agreement with that by bnl and ihep. the magnetic flux was
應用ansys模擬了scq磁體中的反螺線管線圈在ssm磁體中的受力情況，計算的磁場力得到美國bnl實驗室計算結果以及中科院高能所（ ihep ）採用opera - 2d程序計算結果的驗證。 -
On structure design aspect, a closed magnetic route around the gmm is formed, so magnetic symmetry and intension of gmm are improving ; on analysis of electricmagetic characteristics aspect, ansys software is applied to analyze the gma to optimize its structure ; on ampliflcatory power system aspect, based on the characteristic of driving power of gma and the principle of constant current source, a power amplifier using power mosfet is designed ; on testing equipments aspect, measure bracket is designed including transom, stand beam, screw, pedestal ; on cooling system aspect, a constant temperature cooling system is designed theorily
本文根據稀土超磁致伸縮材料的特點及其在工業元件、系統中的應用要求，在以往微位移致動器的基礎上，克服他們的不足，經過各方面的完善，設計出一種精確的、適合於主動控制的稀土超磁致伸縮位移致動器，主要在稀土超磁致伸縮致動器結構設計、電磁特性分析、功放系統以及最後的實驗測試系統方面進行了設計，同時對溫度冷卻系統也做了一些理論設計。 -
In this thesis, we intended to eliminate the a - fe phase by adjusting the composition and the cooling velocity. the effects of sm content, cooling velocity and the additions of nb and zr on the microstructures of sm - fe alloys and magnetic properties of sm2fe17nx were studied. effects of nitrogenation techniques on magnetic properties were also studied
本文力圖通過控制合金成分及冷卻速度的方法來消除sm - fe合金中初生的- fe相，系統地研究了sm含量，凝固速度及nb和zr的添加對sm - fe合金微觀組織的影響，及合金成分和氮化工藝對sm _ 2fe _ （ 17 ） n _ x磁性能的影響。 -
The present thesis considers the guidance performance of a superconductor when it moving quasi - statically above the permanent magnetic guideway. with different cooling conditions, the guidance forces of superconductors of different geometrical sizes are measured
在實驗方面，利用現有高溫超導磁懸浮測試系統對不同場冷條件下不同尺寸高溫超導體的準靜態導向性能進行了測試。
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