磁地方時 的英文怎麼說

中文拼音 [cídefāngshí]
磁地方時 英文
magnetic local time
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  1. The characteristics of the field - aligned currents facs measured by isee 1 and 2 satellites during substorms are studied. these characteristics include the variations of facs with the interplanetary magnetic field, local time,

    分析了由isee - 1和isee - 2飛船在亞暴期間觀測到的場向電流的特性，包括場向電流所伴隨的行星際磁場地方時與
  2. Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission

    瞬變電磁法是一種時間域電磁測量方法，是利用不接地回線或接地線源向地下發送一次脈沖磁場，在一次脈沖磁場的間歇期間，採用不接地線圈接收感應二次磁場。
  3. In the tenet of quality first, credit utmost, the company will consistently provide smco permanent magnetic products of all shapes and specifications to new and old clients at home or abroad with superior quality and competitive prices. meanwhile, the company can also process permanent magnetic elements of different specifications according to the clients drawings and provide services concerning materials and application

    本著「質量第一，信譽至上」的宗旨，我司一如既往地以優良的品質和極具競爭力的價格向國內外的新老朋友提供各種形狀及性能的釤鈷永磁產品，同時還可按用戶的圖紙加工不同性能的永磁元器件，提供選材及應用方面的技術服務。
  4. The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation

    二、在高頻變壓器原邊，當開關管接收控制信號脈沖列（經調制的spwm波列）導通時，在低頻調制信號的正半周或負半周內，施加在變壓器繞組上的是同一方向的電壓，變壓器磁芯中的磁通可能將級進地逐漸增加，導致磁芯飽和，造成磁偏或單向磁化，導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。
  5. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。
  6. Meanwhile, based on the magnetic material theory, a complete analysis and summary are carried out on the three crystal structure and technology theory ; especially the ingredient analysis is made on the microscopical morphology and x - ray diffraction and its mixtures existence and relevant metallurgy about the typical second resource such as coldrolling iron and oxide red, steelmaking sludge and feso4 based on the practeal investigation of the pre - burning materials in domestic products plant, especially the analysis on the domestic markets and components, and connecting with reality and material characters in panzhihua iron and steel ( group ) cmpany, we established the product orientation and developing direction in panzhihua iron and steel ( group ) company ; after carrying out the technology reform on the old no. 1 magnetic product plant of enterprise company, making a detailed study on the various conditions for establishing a plant, the feasible research report is formed of 1400 tons ( per year ) feo preburning material and 3000 tons ( per year ) middle and high quality magnetic products ; so a necessary and reliable supports are provided both theoretically and practically for the development of the magnetic industry in panzhihua iron and s teel ( group ) cmpany

    同時，對磁性材料的理論基礎，尖晶石、磁鉛石、石榴石三大晶系結構以及其工工藝理論進行了較為全面的歸納、分析和總結；尤其針對攀鋼產生的二次資源如冷軋鐵紅、煉鋼污泥、硫酸亞鐵等三種典型原料分別作了成分分析、微觀物理形態以及x光衍射分析、其夾雜物的存在形式及相應的金相分析。對國內鐵氧體磁性材料的預燒料及磁件生產廠家的工藝、設備、技術、成本、質量狀況進行了實地的調研，特別是對國內磁性材料的市場及競爭對手進行了詳盡的分析，在此基礎上，結合攀鋼實際及原料特點確立了攀鋼發展磁材產業的產品定位及發展方向；對企業公司原有磁件一廠進行了技術工藝改造，對建廠各項條件進行了詳細的分析，形成了了年產14000噸年鐵氧體預燒料以及3000噸年中高檔磁件產品的可行性研究報告，從理論上和實踐上為攀鋼磁性產業的發展提供了必要的可靠的依據。
  7. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  8. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。
  9. First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given

    由於缺陷的識別是一類典型的反問題，因而首先從時諧電磁maxwell方程和helmholz方程出發，具體地闡述了求解正散射問題的有關方法，包括各種（夾雜）邊界條件下的數值解法，就解的存在性唯一性給予了肯定的回答；隨后對逆散射問題的理論作了簡短的回顧，包括解的唯一性以及非線性不適定積分方程的處理等；然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數方法，鑒于近場數據獲得的重要性，對近場測試時邊界識別的方法給予了相應的證明，並且實現了數值模擬。
  10. A very important one is the intersystem prediction and analysis of electromagnetic compatibility to the radio systems in this electromagnetic environment. this paper presents research on the intersystem prediction and analysis of electromagnetic compatibility to the radio systems positioned by the geographical longitude and latitude coordinate system and the elevation system. it can give assistant solution to the interference among the radio systems so as to avoid functional degradation and even failure after the systems disposed and mounted and the money and time wasting

    本文對處于陸上局部區域內的、以經緯度地理坐標系和高程系進行定位的無線電系統間的電磁兼容性預測進行了研究，以對系統間的相互干擾情況作出預測，給解決局部區域中無線電系統間相互干擾問題的方案提供支持，以避免在系統布置、安裝完成之後出現相互干擾情況而使系統性能下降，甚至失效，造成資金和時間的浪費。
  11. The relative exploration methods include : tem, csamt, seismic prospecting for metal deposits, geophysical prospecting in well, deep penetrating geochemical exploration, high resolution magnetic, and high resolution gravitational exploration

    相關的找礦技術包括時間域瞬變電磁法（ tem ） 、可控源音頻大地電磁法（ csamt ） 、金屬礦地震方法、井中物探方法、深穿透地球化學方法、高精度磁法、高精度重力等。
  12. Parks the recording heads off the disk surface during spin up, spin down and when the drive is off

    在盤片加速或盤片降速期間，以及當硬碟機關閉時，會將磁頭停放在遠離磁碟表面的地方。
  13. One famous example occurred in 1989 when a storm - induced current caused a failure in hydro - quebec s electric power system. six million people in canada and the usa ran out of electricity for over 9 hours

    一九八九年，由太陽磁暴所造成的誘發電流導致魁北克省的水力發電裝置崩潰，加拿大和美國多處地方停電超過九小時，六百萬人受到影響。
  14. Space - time wave has a far greater and wider significance than particle wave vibration. no matter what mechanical vibration, electromagnetic surge or vocal wave, they are all manifestation of space - time vibration or a certain wave in special scope, all of which are general phenomena in nature of both macrocosm and microcosm, and can be expressed by stwf

    時空波動比粒子振動或波動有更廣泛深刻的含義，凡有空間有物質存在的地方都存在著時空波動，無論是機械振動電磁振蕩聲音振動等均是時空波動的某種表現形式，或是在某個特定時空范圍的波動，這種自然界的普遍現象在宏觀或微觀世界都可用時空波函數表達出來。
  15. As for what life would be like at a time of flip - flopping polarity, paramount pictures ' s new geophysical thriller the core suggests that birds will lose their way and that humans will live under frequent radiation alerts

    為了呈現生命在地磁反轉時會變成什麼樣子，派拉蒙影業在他們所拍攝的驚悚片地心毀滅中，便描述飛行的鳥兒將會迷失方向感，而人類的生活中將會充斥著輻射警報。
  16. Diskettes should be stored out of sight when not in use. if they contain highly sensitive or confidential data, they must be locked up

    當磁盤不在使用時應該儲存在看不見的地方。如果他們包含高度敏感或機密數據，必須存放在可上鎖的地方。
  17. Better yet, if even more of the heap were persisting to disk, it could launch a script set up by the dba to dynamically change the amount of memory allocated to the heap, or temporarily steal memory from another under - active heap a new feature in db2 v8. 2

    然而更好的方式是在大多數堆持續保留在磁盤上時，可以（根據dba的設置）啟動一段腳本，動態地改變給堆分配的內存數量，或者臨時性地從其他較不活躍的堆中偷竊一些內存（這是db2 「 stinger 」中的新特性） 。
  18. It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed

    瞬變電磁法（ transientelectromagneticmethod ）是一種時間域的電磁勘探方法，利用階躍波或其它脈沖電流場源激勵，在大地產生過渡過程場，斷電瞬間在大地中形成渦旋交變電磁場，測量這種由地下介質產生的二次感應電磁場隨時間變化的衰減特性，從測量得到的異常分析出地下不均勻體的導電性能和位置，從而達到解決地質問題的目的。
  19. Sunspots are islands of intense magnetic bundles punching through the solar surface. the magnetic bundles constantly interact with each other and sometimes create unstable configurations that then lead to eruptions in the form of flares and plasma ejection

    其實黑子是磁纜貫穿太陽表面的地方，這些磁纜會互相影響，有時會出現不穩定的排列，引發耀斑和等離子體拋射等表面爆發。
  20. This paper analyzed the data obtained at mcmurdo and thule neutron monitor ( nm ) stations and at guangzhou muon monitor station during the cme event in march 1991. the results show that in this event when the cme structure passed the earth, it was shifted to the earth ' s southern hemisphere and the strongest magnetic structure associated with the cme passing the earth at about 2000ut, march 24. 1991

    我們利用mcmurdo和thule兩個臺站的銀河宇宙線強度的觀測數據和廣州多方向介子探測器記錄的宇宙線強度的數據分析了1991年3月cme的特徵，注意到cme是一定程度地偏向地球的南半球，並給出了cme中最強的磁場結構到達磁層的時間為1991年3月24日2000ut左右，這是過去沒有注意到的一個特徵。
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