磁場安 的英文怎麼說
中文拼音 [cíchǎngān]
磁場安
英文
field ampere turns-
Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁矢量位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解,給出了球內電場和球外磁場的並矢格林函數。Sar safety levels with respect to human exposure to radio frequency electromagnetic fields, 3 khz to 300 ghz ; amendment 2 : specific absorption rate limits for the pinna
處于射頻電磁場3khz至300ghz的人體的安全等級.修改件2 : pinna的特定吸收率This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw
基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體,利用體外的組合電磁線圈產生加載電流控制的驅動磁場,其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩,從而有效地完成驅動動作要求。The following year she won even greater acclaim for her role as actress dorothy dandridge in made - for - cable s introducing dorothy dandridge 1999, for which she won a golden globe for best actress in a tv movie mini - series. in 2000, she received box office success in x - men 2000 in which she played storm, a mutant who has the ability to control the weather
不料,金鋼狼休-傑克曼飾, hugh jackman與萬磁王伊安-麥克萊恩飾, ian mckellen的出現,使人類對變異人的恐懼彌漫于地球的每一個角落, x戰警陷入了進退兩難的危機中,開始了一場正義與邪惡的戰斗。No adjustment needed. the magnetic coil is static and does not need dust brushes or similar protective devices. all components are located in the main body ( the clutch housing ) for fast and easy installation with no need for further adjustmeng
不需要做調整. . .由於是磁場線圈靜止型,可以免去灰刷等的維護工作,而且所有的零件全部安裝于主體(離合器輪殼) ,可以很簡單地安裝到機械中,不需要做調整。The main products of our company : series of mining emulsion pump station, series of electric haulage shearer, sparying pump station, series of mining flame - proof vacuum / air electromagnetic starter, series of mining vacuum / air feeding switch, series of mining fame - proof and natural - safe. type ac soft starter, series of hydraulic stand valve and pipe system, high flow rate quick - moving valve, the new product nearing into market - the hydraulic support electric - control system, mining electric drill, hydraulic valve test table, electric performance test table
公司主導產品為:系列電牽引採煤機、系列礦用乳化液泵站、噴霧泵站、礦用隔爆兼本質安全型交流軟起動器、系列礦用隔爆真空、空氣電磁起動器、系列礦用真空、空氣饋電開關、系列液壓支架閥類及管路系統、大流量快速移架閥、即將投入市場的新產品? ?液壓支架電液控制系統、煤電鉆系列、液壓閥試驗臺、電性能試驗臺等。The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed
本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電流法、分佈電流法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式,分析靜態力?位移特性; ( 3 )建立空芯動圈式直線永磁同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。The hardware consists of 1, 500 active rfid wheretag transmitters temporarily attached to new vehicles as they roll off the assembly line as part of the wherenet vtms system ; 700 wheretag transmitters that are permanently fixed to trailers belonging to nissan ' s dedicated suppliers or temporarily attached to others as part of the yard management application ; 120 whereport magnetic " exciters " positioned between gates and at key choke points across the complex ; and a local infrastructure of 80 wireless wherelan locating access points, according to wherenet
車輛跟蹤與管理系統包括1500個臨時安裝在流水線新車體上的rfid傳感器; 700個傳感器被永久安裝在尼桑公司供應商的運輸車上或臨時安裝在其他車輛上以便進行車場管理; 120個磁性激發器將安裝在門口和場區重要節點;以及一套80個無線定位接入點的內部系統。The generators are of dirp - proof with rotating field type and with the adoption of harmonic excitation system, that allow your easy operation and simple maintenance
發電機為防滴轉場式,採用諧波勵磁系統,使用安全可靠,維護簡單方便。In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm
本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎,重新設計了以dsp為控制核心的控制系統,主要解決原系統存在的以下問題: ( 1 ) pc機既要實時控制數據的採集與發送,又要進行圖像的后處理,整個系統的實時性難以達到要求; ( 2 )隨著spm功能的擴展,一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能,另一方面也意味著自動控制量的增加和數據處理量的增加; ( 3 ) 16位a d 、 d a都採用的是購買的板卡,也通過isa槽插在pc機內,成本高,不利於擴展; ( 4 )另外,數字板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。This paper develops a brain tumors heating curing instrument, which is based on the endogenetic field. it works by heating the ion and polity elements in the tumors organization, making the molecule twist and fracture. in that way, the temperature in the brain tumors is 3 ~ 7 c higher than the normal organization, and kills the brain tumor
本文研製了一種基於內生場的腦腫瘤射頻熱療儀,通過內生場加溫促使腫瘤組織的離子和極性分子在電磁場中發生分子扭動、摩擦,產生熱滯留,使得腫瘤組織的溫度高於周圍正常組織的3 ~ 7 ,從而燒死腦腫瘤細胞,達到安全治愈腫瘤的目的。This paper makes a further analysis of the traditional opinion about ampere force that is the macroscopic showing of lorentz force, and it demonstrates that microscopic nature of ampere force is composition of electric field forces applied by hall electric field which is caused by lorentz forces for the positive ions at the crystal lattice of the conductor in magnetic field
摘要對安培力是洛倫茲力的宏觀表現的傳統說法進行了深入剖析,指明了安培力微觀本質是由於洛倫茲力而引起的霍爾電場對磁場中載流導體的晶格正離子施加的電場力的合力。Comment and deduction of amperecircuital theorem of stable magnetic field
穩恆磁場安培環路定理的論述與推導In order to realize flux feedback control, the request of air gap flux density measurement is studied. using the 3d magnetic field analysis software, how and where to install the magnetic field sensors have been discussed. then two magnetic fields measuring methods have been chosen : the hall effects measurement and the electromagnetic induction method
為實現磁通反饋控制,分析了懸浮磁場對磁通密度測量的要求,利用三維磁場分析軟體對磁場測量元件的安裝方式與安裝位置進行了分析,選擇了兩種磁場測量方法:霍爾效應法與電磁感應法,並分別設計了測量及信號放大、濾波電路,實現了懸浮磁場的測量。Safety levels with respect to human exposure to radio frequency electromagnetic fields, 3 khz to 300 ghz
人體受3khz - 300ghz射頻電磁場輻照的安全等級Given that a strong field can affect body chemistry in this way, researchers need to conduct some laboratory experiments to verify the safety of a 20 - tesla shield
由於強烈磁場可能影響身體的化學反應,研究人員必須以實驗測試20特士拉磁場的安全性。At last, we used ferrite to avoid the disturbance form metal to the electromagnetic field, and the magnetic antenna can be fixed on the metal directly, then that ensured the running reliability of the system
最後採用鐵氧體防大塊金屬對電磁場的干擾,使得磁性天線可以安裝在金屬表面,從而保證了系統穩定可靠的工作。It could provide high definition examination image of all body systems and organs, which is a safe, precise, reliable, woundless, high definition diagnosis of tumor and all kinds diseases. full digital computerized three - dimensional precise position system
Mr磁共振掃描主要利用強磁場和射頻脈沖的原理,藉助計算機技術,對人體各系統各臟器病變進行高清晰度影像學檢查,是一種安全準確可靠無創的先進診斷設備。Shimonishi seisakusho is a technology development - oriented company that is mainly engaged in manufacturing a variety of products that exploit the potential of permanent magnetism, ranging from door - use magnetic catches to industrial - use large - size adsorption plates and magnetic conveyance systems
我們是應用各種有永久磁力的磁場,磁氣,生產以磁石為主,從開關用的磁石球到工業用的大型吸著安裝板,磁石輸送機等的技術開發型企業。This subject is a research about manufacturing silicon magnetic - transistor with rectangle - plank cubic construction on silicon surface by mems technology, meanwhile it also makes a experiment - research on characteristic of silicon magnetic - transistor manufactured experiment expresses that silicon magnetic - transistor with rectangle plank cubic construction which is made by mems technology owns many virtues, which are as follows : first, stronger v - i characteristic curves and higher magnetic sensitivity ( collector current magnetic sensitivity of sample can achieve to 227 % / t ), second, lower negative - temperature coefficient that is small
本課題主要研究採用mems技術在矽片上製作矩形板狀立體結構硅磁敏三極體,並對製作的硅磁敏三極體樣品基本特性進行實驗研究。實驗結果表明本課題採用mems技術設計、製作的矩形板狀立體結構的硅磁敏三極體樣品具有較理想的伏安特性曲線、具有較高的磁靈敏度(樣品集電極電流磁靈敏度可達227 / t ) 、具有負溫度系數且溫度系數較小、在磁場一定時i _ c i _ b線性關系較好等優點。分享友人