field poles 中文意思是什麼
-
Birds and compasses know north from south because, like a giant bar magnet, the earth ' s magnetic field has two poles that line up closely with the planet ' s axis of rotation
候鳥與指北針都知道何為北方、何為南方，因為地球就像一條巨型磁鐵棒，它的磁場有兩極，且這兩個地磁的磁場線和地球的自轉軸非常接近。 -
When reconnection is initiated on the dayside magnetopause, the interconnected imf and geomagnetic field lines are swept back by the solar wind over the earth ' s poles, pouring energy into the northern and southern lobes of the long magnetotail on the nightside
當磁力線重連在晝側的磁層頂上開始發生，連在一起的imf和地球磁場磁力線便被太陽風往後吹，掃過地球南北極，把能量灌入長磁尾的南北兩葉。 -
Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。 -
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。 -
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。 -
The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet
論文對-磁鐵的有關物理問題進行了較為詳細的論述，從解析形式和數值模擬兩個方面給出了-磁鐵的磁場分佈，對單個粒子在-磁鐵中的運動進行了分析，利用數值求解方法研究了帶電粒子在理想四極磁場中的運動規律，提出了歸一化運動方程和理想軌道等物理概念，定量給出了消色散的入射角、軌道長度和x方向最大距離的解析表達式。 -
Characterizing and analyzing the dynamic properties of the humanoid - robot is one of the key problems in the research field of robot. but at present, the existing mo - deling methods of the humanoid - robot dynamics are based on the theory of traditional multi - rigid - body dynamics, and usually simplifying the system as framework with multi - rigidity poles and simplex joints. for this reason, the walking dynamic perform - ance of the humanoid - robot is pictured only approximately by these methods
精確地描述和分析系統動力學特性一直是仿人機器人研究方向需要解決的關鍵課題之一，而至今為止，針對此系統的已有建模理論和方法一般是以其結構剛性桿件簡化，以及將桿件以單純鉸鏈聯結成「骨架」為前提，建立在傳統多剛體動力學理論基礎上，這些研究成果由於結構的簡化和多剛體理論的局限，只能近似地反映仿人機器人系統的步行動力學特性。 -
, magnitude of electric field, distance between poles, area of electric field, the influence to brake torque of conventional interface state and dimension and the like. its actual values has been tested by the heat balance calculations. the er
討論分析了電流變液的種類、電場的大小、電極間的距離及電場的面積（改變制動器的直徑及寬度） 、傳動系統界面狀態及尺寸等參數對制動力矩的影響，通過對制動器的熱平衡分析計算驗證其具有實用價值。 -
Occasionally, however, the dipole part of the field reverses, causing the locations of the north and south magnetic poles to switch
不過，有時候磁場的偶極部分會倒轉，導致了北磁極和南磁極的位置轉換。 -
Characters of the flow field of molten metal in mhd caster are s imulated and analyzed by means of numerical simulation. relationship between flow field of molten metal and the number of magnet poles, arrangement of magnet pole s, rotating velocity of magnetic field as well as helical arrangement of permanen t magnets is revealed. it can be used as reference for optimizing design of perma nent caster
利用數值模擬對不同磁場條件下的永磁鑄機金屬液流場特徵進行了模擬分析；揭示了金屬液流場與永磁體極數、磁極排布方式、磁場旋轉速率以及永磁體螺旋式排布之間的關系，為永磁鑄機的優化設計提供了參考依據。 -
So this method has many advantages in calculating special field such as 3d field and highly saturated field. the calculation results meet the requirements of engineering. this paper analyzes, models and calculates a six - pair poles hybrid claw - pole alternator
具有有限元法和等效磁路法的優點，因此，此方法在計算特殊的電機磁場如三維磁場或者高度飽和的磁場能夠發揮其自身的優勢，滿足電機工程設計的要求。 -
Due to 12 / 8 poles doubly salient permanent magnet motor, planar finite element method ( fea ) is applied to analyze the magnetic field inside the motor. and a series of static characteristics are investigated, such as field distribution, air gap magnetic density, field flux, inductance, static torque
針對12 / 8極永磁式雙凸極電機，採用二維平面有限元法對電機內磁場進行分析計算，研究了電機磁場分佈、氣隙磁密、繞組磁鏈、繞組電感、靜態轉矩等一系列電機靜態特性。 -
In the hall effect, hall electromotive force is not only related to the current density, magnetic field and the distance of the poles, but also to hall coefficient directly
據知，霍耳效應中輸出的霍耳電動勢除了跟輸入的電流強度、磁場強度及輸出電極的間距有關外，還與霍耳系數成正比。 -
About every million years or so, the field reverses polarity : the north and south poles switch position
大約每過一百萬年左右，地球磁極翻轉一次:南北磁極位置對調。 -
Through paleomagnetism, ( the study of the magnetic properties of rocks ), scientists now have solid proof that the earth ' s magnetic field, and thus the geomagnetic north and south poles, have reversed itself namy times in the past
通過古磁學（巖石磁特性研究） ，科學家現在擁有地球磁場一致證據，因而地磁北極和南極，在過去已經翻轉多次。 -
The brushed are so placed that when the sides of an armature turn ( or coil ) pass through the middle of the region between field poles, the current though it changes direction
電刷是這樣安排：當電樞繞組（或者線圈）的邊通過勵磁磁極區域中部時，流經其的電流就會改變方向。 -
The brushes are so placed that when the sides of an armature turn ( or coil ) pass through the middle of the region between field poles, the current though it changes direction
電刷是這樣安排：當電樞繞組（或者線圈）的邊通過勵磁磁極區域中部時，流經其的電流就會改變方向。 -
The thesis is devoted to the pole shape optimization in order to improve the homogeneity of the magnetic field in a large imaging volume between the poles
本文的主要目標是對主磁體上下兩極面的極靴進行形狀優化，以提高樣品區的磁場均勻度，並擴大均勻區范圍。
分享友人