磁場穩定性 的英文怎麼說
中文拼音 [cíchǎngwěndìngxìng]
磁場穩定性
英文
magnetic field stability- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 磁場 : [物理學] (傳遞運動電荷或電流之間相互作用的物理場) magnetic field
- 穩定性 : antiwhip
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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By using the maxwell ' s equations and axial symmetry, a method on calculating non - static axial symmetry fields with unstable charge source is given
摘要利用麥克斯韋方程組和場的軸對稱性,給出了由對稱軸的非靜態電場計算含不穩定電荷源的軸對稱非靜態空間電磁場的一種方法。These results indicate that the magnetic field should have upper stability when the particle beam is low polarized while the requirement of the stability of the magnetic field can be lowered when the particle beam is high polarized in the experiment of producing the polarization of the particle beam. and the complementariness can be used as a negative feedback to stabilize the polarization of particle
這一結果表明,在產生離子束極化的實驗中,在離子束低度極化的前期階段,磁場應具有較高的穩定性,而在離子束極化度較高的後期階段,磁場的穩定性要求可以放鬆;自旋的縱向分量的無規漲落和橫向分量的無規漲落的互補性有可能用來做成穩定離子極化的負反饋。At the same time, on the basis of above results, the stability problem of the polarization of particle self - spin is discussed in irregular magnetic field of accelerator. the discovery that the low degree polarization system is very sensitive to the irregular magnetic field while the high degree polarization system is very stable is found. the irregular fluctuation of the vertical ponderance is complementary to that of the horizontal ponderance due to the self - spin conservation
同時,在此基礎上,利用su ( 2 )代數動力學方程研究了加速器中帶自旋離子的極化對磁場的含時無規擾動的穩定性問題,發現:低度極化的系統對磁場無規擾動十分敏感,而高度極化的系統對磁場無規擾動十分穩定;自旋守恆導致自旋的縱向分量的無規漲落和橫向分量的無規漲落存在著互補性。The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc
計算了電流峰值時觸頭間隙中心平面和觸頭片上的縱向磁場分佈,可以看出加入鐵芯后縱向磁場強度和徑向磁場均勻性增強,這有利於提高真空電弧的穩定性。A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g
加速度計的解析度、靈敏度閾值和高的熱穩定性是設計時主要考慮的參數。本論文中使用推?挽式長撓性結構來保證低靈敏度閾值,同時保證抗振魯棒性。為了提高熱穩定性,本文中討論了利用永久磁鐵作為磁場源;微加工技術被引入擺組件的結構設計和利用力矩線圈作為激勵線圈來簡化電感式的檢測裝置。A reversal could knock out power grids, hurt astronauts and satellites, widen atmospheric ozone holes, send polar auroras flashing to the equator and confuse birds, fish and migratory animals that rely on the steadiness of the magnetic field as a navigation aid
逆轉會破壞能量網格,損害宇航員和衛星,加大臭氧層空洞,發送極光到赤道而搞亂鳥類,魚和遷徙動物,它們依靠磁場的穩定性作為導航幫助。The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply
交流勵磁發電機的基本結構與繞線式異步電機相同,其定子側接電網,轉子上採用三相對稱分佈的勵磁繞組,由變頻器提供對稱交流電勵磁,且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制,從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速,使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力,性能超越傳統同步發電機和感應發電機,因而有著廣闊的應用前景。In the past, two following respects that the study on magnetoelastic stability theory was main and centralized : first, setting - up and revision of the soft ferromagnetism plates buckling theory model ; second, represented by the tokamak thermonuclear current - carrying rector coil, the stability of current - carrying coils and poles under magnetic field has been studied
以前,對磁彈性穩定性理論的研究主要集中以下兩方面:一、軟鐵磁性薄板屈曲理論模型的建立及修正;二、以tokamak核聚變反應堆環向磁場載流線圈為代表的對載流線圈及載流桿件的穩定性研究。To satisfy the experiment request, the equipment generating magnetic field and the angular instrument are improved. for light wave from semiconductor laser is infrared wave in the experiment, the calibrating measurement utilizing visible light from he - ne laser is used. firstly the light path is adjusted using visible light roughly
在搭建系統時,根據實驗要求對磁場儀(小磁場時的穩定性)及摘要第2頁測角儀(測量精度)進行了改進;在調整光路時, (又據使用的紅外激光光源的特點,採用了先利用he ne激光器的可見光波粗略校準光路,然後換用半導體激光器精確校準光路的方法。Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method
本文基於netomac模擬軟體,以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容,主要做了以下工作:建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型,並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點,將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小,設計了三段式預調度演算法:用靜態規劃法求解整個預調度計劃周期內的優化問題;用優先級法求解機組組合問題;用改進的powell法求解最優潮流問題。Under a certain magnetic field, the density and stability of anode plasma determines the ion current density and its fluctuation
在確定磁場強度下,陽極等離子體密度和穩定性決定了引出離子束流密度的大小及其波動幅度。This instability would be rectified by an electronic shift in the opposite direction, but the rate at which the shift took place would be affected by any magnetic field around
這種不穩定性可通過電子反向快速移動得以糾正,但電子移動速率會受到周圍磁場的影響。Uniqueness and stability of solution to the linear transient eddy current electromagnetic field problem for determining solution
線性瞬態渦流電磁場定解問題解的唯一性和穩定性The high magnetic field, high ( bh ) max value and well magnetic stability are important characteristics for its practical applications
高溫超導永磁體的高場、高磁能積和良好的磁穩定性等特點為實用化鋪平了道路。Study of cherenkov instability for a plasma immersed waveguide in a finite magnetic field
有限磁場作用下等離子體背景中的切倫可夫不穩定性研究It is included that the factors which affect the resonance frequency and how to reduce the affection, so that the magnetostrictive weak magnetic fiber optic sensor has a high sensitivity and good stability
給出了影響共振頻率的因素及解決頻率漂移的辦法,從而得到既有很高靈敏度又有很好穩定性的光纖直流弱磁場傳感器。On this basis, draw magnetoelastic movement stability equation of thin current - carrying plates under the effect of electric magnetic field and machinery load
並在此基礎上,得出了載流薄板在電磁場與機械荷載共同作用下的磁彈性動力穩定性方程。However, it has not been seen in all documents yet that the study of stability of thin current - carrying plates and shells, etc. structure under strong magnetic field which is common occurrence to project
而對工程中屢見不鮮的在強磁場作用下的載流薄板、薄殼等結構元件的穩定性研究則尚未見諸文獻。Also ac exited generator have many excellent characteristics, it may improving the stability of electric power system, its rotor speed may adjustable, it have abilities for active and reactive power regulating in self - help ways, it not lose steps even when operated in deep lead phase, so it especially applied in wind electric power plant and pumped - storage hydraulic power plant
交流勵磁發電機作為發電機運行的風力發電系統,利用變速恆頻技術后可大大提高風能的利用率。交流勵磁發電機可改善電力系統穩定性,轉子轉速可變,具有獨立的有功無功調節能力,可以深度進行運行而不失步,特別適用於風力發電、抽水蓄能電站等場合。On the basis of producing the mathematical model of calculating the induced currents on the passive feedback coils, the distribution and variation of the induced currents and the eddy currents magnetic field are given by numerical calculation. these conclusions are necessary to study the vertical unstability of plasma and design the coils
在建立求解被動導電板感應電流數學模型的基礎上,通過數值計算,給出了感應電流的分佈和變化情況,同時對渦流磁場的分佈和變化也給出詳細的計算結果,這些結論對研究等離子體垂直不穩定性和線圈的設計是必需的。分享友人