磁畸 的英文怎麼說
中文拼音 [cíjī]
磁畸
英文
magnetic anomaly-
Mri scan revealed brainstem angioma in patient 1, who underwent surgical intervention ; patient 2 had cavernous angioma in the brainstem and received conservative treatment with pharmacotherapy only
經核磁共振圖象檢查,前者診斷為腦干血管畸形,接受開顱手術切除,病理報告為靜脈血管瘤;後者診斷為腦干海棉狀血管瘤,僅接受保守性藥物治療。High - resolution 3d contrast - enhanced mr angiography of the reanl arteries with fluoroscopic triggering and parallel acquisition techniques : preliminary experience
三維動態增強磁共振血管造影在兒童大血管畸形應用中的技術探討The wave of magnetic induction density will bring distortion with the raising of excitating voltage while measuring the magnetization characteristic
在進行磁化特性測量時,隨著激磁電壓的升高,磁感應強度波形將產生畸變。Congenital aortic arch anomalies : contrast enhancement mra and dsa diagnosis
以造影增強磁共振血管成像術診斷先天性主動脈弓畸形The imperfection mutual inductance will excite spurious frequency, and create circulating currents in each choke capacitor branch, therefore cause magnet current distortion
結果表明,諧振電抗器的互感系數的不一致性將激勵寄生頻率,從而在每個諧振電抗器與電容支路中產生寄生電流,並導致磁鐵電流的畸變。The temperature dependences on the resistance in all the thin films show that in the low temperature range the width of eg band level changes the transports, but in the high temperature range the thin films forms the small polarons hopping conductivity. the phase transition induced by the current is explained by the demagnetization and lattice distortion
在高溫部分,材料呈現小極化子跳躍形式輸運特徵;實驗研究了不同偏置電流對薄膜的相變影響,表明電場可以引起材料中磁性的變化和晶格畸變,導致相變溫度點向低溫方向移動;材料的光致相變研究表明光子能量、光強和極化方向對輸運性質有影響。The main origin of the perpendicular magnetic anisotropy in tbco amorphous films is the static interaction between the aspheric distribution charges of non - s tb ions and the aberrant crystal field produced in sputtering and deposition process. the magnetic dipole interaction is in a secondary cause
對于tbco非晶垂直磁化膜而言,具有非球對稱電荷分佈的非s態離子tb與濺射沉積薄膜過程中產生的畸變晶格場之間的靜電相互作用構成了tbco非晶薄膜垂直磁各向異性的主要部分, tbco薄膜內的磁偶極相互作用構成了其次要部分。Electromagnetic compatibility - limits - assessment of emission limits for distorting loads in mv and hv power systems
電磁兼容限值中高壓電力系統中畸變負荷發射限值的評估The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right
通過對同步發電機各種運行曲線的計算,在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響;求出了空載特性曲線和零功率負載特性曲線,在不同的電樞電流下計算得到的波梯電抗不同;求出了功角特性曲線,與不計飽和時的功角特性曲線相比較,功角穩定極限小於90 ;求出無功調節曲線,與不計飽和時相比較, u型曲線向右偏移。The non - ideal bemf waveform of bldcm is often caused by two facts. one is that the platform width of bemf waveform is less than 120 ; the other is the cogging harmonics existed in the bemf waveform
非理想反電動勢波形的無刷直流電機有兩種情況,一種是反電動勢的梯形波的平頂寬度小於120 ;一種是由於磁場分佈受齒槽的影響,反電動勢存在齒諧波,使其波形發生畸變。To solve the aberrance problem of electromagnetic signals caused by fourier transform of limited time and discrete sampling, the function and the influence of windows with different scales were discussed
摘要針對電磁法物探觀測信號離散傅立葉變換中信號畸變問題,研究了不同尺度窗口對信號分析的作用和影響。But, the alarm signals from scada have disadvantages as follows : ( 1 ) the open - air feeder terminal units ( ftu ) are interfered by strong electromagnetic and thunder. besides, the failure of relays and the fault of ftu can also lead to that fault information is interfered and aberrant. ( 2 ) in the process of transmission and commutation, the error in the communication equipment may result in the signals err or lose
然而,現有的scada系統在配電網發生故障時提供給調度員的警報信息有如下局限性: ( 1 )面向現場的戶外饋線終端ftu運行環境惡劣,承受強的電磁、雷電干擾,並且由於繼電器節點故障、 ftu元器件損壞等因素的存在,使得配電網信息受干擾、畸變的可能性較高; ( 2 )在信號傳輸及變換過程中,通訊裝置的故障等原因,也可能導致信號出錯甚至丟失; ( 3 )保護裝置和斷路器本身也有可能誤動或拒動。Contrast - enhanced mr angiography for diagnosis congenital aortic arch abnormality
對比增強磁共振血管成像診斷先天性主動脈弓部畸形Influence of geomagnetic field on the formation of stress induced magnetic abnormalities
地磁場在應力致磁畸變產生過程中的影響Partly because of high sensitivity to flow in vascular structures, mr represents a significant advance in the non - invasive assessment of patients suspected of vascular malformation
磁共振由於對血管結構中的流動性物質有較高的敏感性,所以對懷疑有血管畸形患者進行無創性診斷時它具有很大的優越性。Computer tomographic scan and magnetic resonance imaging showed a mass lesion in the left basal ganglion region
因無法以核磁共振掃瞄及腦部血管攝影檢查排除為動靜脈畸形瘤,於是開刀取樣化驗。Some key parameters to affect hepmg performance are studied and some design rules are given. the principle of load distribution and estimate calculation of permanent magnet and electrical exciting are given. methods of improving the power density and weakening aberration rate of sine wave are research
對影響hepmg性能的關鍵參數進行了計算研究,總結了參數設計規律;提出了hepmg中永磁體和電勵磁的負荷分配原則並給出了估算方法;分析了提高hepmg功率密度和降低電動勢波形正弦畸變率的措施。分享友人