繞極的 的英文怎麼說
中文拼音 [ràojíde]
繞極的
英文
circumpolar-
Features and spatial distributions of circumpolar deep water in the southern india
南印度洋繞極深層水的性質和空間分佈以及南極繞極流的作用( 3 ) on interannual timescale, the changes in the sh ferrel cell lead to the anti - phase variation of the subtropical high and the circumpolar low, i. e., the antarctic oscillation ( aao )
（ 3 ）南半球ferrel環流圈的異常使繞極低壓帶和副熱帶高壓帶的強度出現了反位相的變化特徵，即南極濤動。Geographically, it is a land of extremes ; fertile coastal plains, glaciated high mountain ranges, deep sinuous fiords surrounded by ancient forests, and volcanic plateaux complete with geysers, boiling mud pools and thermal springs
從地理位置上看，紐西蘭是（世界）一塊極端的（ /極品級的）領土， （有）肥沃的沿海平原，冰封的高山山脈，還有由原始森林環繞著的深入的蜿蜒的峽灣，以及死活火山（這一句翻譯得不甚準確） ，熱泥漿池和溫泉。It is also a proven fact that the magnetic poles wander, literally zig - zagging around its axis
磁極搖擺，意思是圍繞它的軸之字形急變也證明了這樣的事實。Because of its oblate shape, the moment of inertia of the earth is a maximum about the polar axis and minimum about an axis in the equatorial plane.
由於地球是扁球體，繞極軸慣量矩最大，而繞在赤道面內的軸的慣量矩最小。He gives all of the credit for his success to his coach. he surrounds himself with positive people. his coach is doug blevins
他把成就歸功于教練，以積極的人環繞你，若沒有我的教練，我就不能成功，他這樣說。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。Abstract : the effects of airfoil geometric parameters on wing " s spacial and polarized scattering characteristics have been systematically revealed. the results of the study indicated that the calculating value of diffraction from trailing edge by using the formula of the straight wedge is very far from experimental results for vertical polarization, and the contribution of thickness of the trailing edge to scattering must be considered in the calculation. the scattering peak of leading edge depends only on radius of airfoil for horizontal polarization. but for vertical polarization, it depends on maximum thickness and the location of maximum thickness. engineering formulas for evaluating all scattering peaks were given in the paper. it is important for the design of low - rcs wing
文摘:系統地揭示了翼形幾何參數對機翼的空間散射特性、極化散射特性的影響規律.研究發現，在垂直極化狀態下用理論尖劈公式計算機翼后緣繞射的計算結果與實驗結果相差甚遠.提出在垂直極化狀態下機翼后緣繞射的計算必須將后緣厚度考慮在內的見解.對於水平極化，前緣散射波峰只與前緣半徑有關；而對於垂直極化，前緣散射波峰與翼形最大厚度以及最大厚度位置有關.給出前後緣散射波峰的工程估算公式，為低雷達散射截面（ rcs ）機翼設計提供依據Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel
由於十二相發電機中四個y繞組的中點電位不等，電機內部沒有公共參考點，從而在判斷整流元件導通時，不能象三相同步發電機整流系統那樣認為陽極電位最高或陰極電位最低的整流元件導通，本文採用了以線電壓代替相電壓建立十二相整流發電機的數學模型，從而解決了十二相發電機無公共參考點的問題。Considering the relations between idle load characteristics and armature winding parameters of the salient pole propulsive synchronous motor ( spsm ) with its structure, stator tooth and magnetic saturation, the analysis of numerical method for the back electromotive force calculation of spsm is given under various exciting current values
摘要針對凸極式同步推進電機的空載特性及其繞組參數與電機結構、定轉子齒槽、磁場飽和等緊密相關的問題，分析了在不同勵磁電流下同步推進電機相反電勢的數值計算方法，提出了採用電機磁場能量微動法計算相繞組的參數，並對一臺十二相同步推進電機的繞組參數及其空載特性進行了計算和測量。It looks little different to a normal shirt but contains stainless steel wires twisted around viscose yarn, which means it works as an electrode
這種襯衫看上去與普通襯衫並無多大區別，但其內部包含著一些纏繞在纖維膠線上的不銹鋼細絲，它們可以起到電極的作用。Firstly, considering the molecular pump is small and the elimination of heat condition is bad, this paper presents the structure of the mb, including the material of the rotor and stator, the number of magnetic poles, the stator slot shape of mb, the layout of the magnetic poles, the coins winding and so on
首先綜合考慮了分子泵體積小、磁軸承散熱條件不好的特點，設計了分子泵磁懸浮軸承的結構，選擇了軸承鐵芯的材料，設計了磁極的布置、槽的形狀、磁極數目和線圈纏繞方式。In this thesis, the basic operation theory of salient - pole synchronous motors is discussed ( based on the analysis of the electromagnetic relationship among stator winding 、 rotor winding and damper winding, the transitional process of salient - pole synchronous motors ( asynchronous starting, the thesis provids a novel control method and connection of exciting winding during salient - pole synchronous motors ( asynchronous starting
本文論述了凸極同步電動機的基本運行原理，在分析了凸極同步電動機定、轉子繞組及阻尼繞組的電磁關系的基礎上，研究了凸極同步電動機異步起動的過渡過程，提出了一種新型的凸極同步電動機異步起動過程中勵磁繞組控制方法和線路。Our theorists have contributed a great deal by studying, expounding and publicizing the theory that practice is the sole criterion for testing truth, the scientific analysis of the party ' s history, especially in the period since the founding of the people ' s republic, and the need to build socialism with chinese characteristics, to reform the economic and political structures, build a socialist society advanced in ethics and culture and to educate people in communism and patriotism
關于實踐是檢驗真理唯一標準的討論，關于黨的歷史特別是建國以來歷史的科學總結，關于建設有中國特色的社會主義，關于經濟和政治體制的改革，關于建設社會主義精神文明和加強共產主義、愛國主義思想教育，圍繞這些，理論界做了許多研究、論證和宣傳工作，發揮了積極的作用。Located or found in one of the polar regions
環極的，圍繞極地的位於或發現於一個極地區域中的This model not only reckons in the effects of the space distribution and the connection pattern of the windings, the position of the short circuit point and the space harmonics of the gap magnetic field, but also takes into account the pole geometry, slot effects, saturation and eddy current in the rotor
該模型不僅能考慮繞組的分佈與聯接方式、故障的空間位置、氣隙磁場的空間諧波，還能細致地考慮磁極形狀、鐵芯的飽和和渦流等因素。The study in this thesis will provide reference in improving salient - pole synchronous motors " asynchronous starting capability and designing the control exciting winding scheme
本文所作的研究工作，對凸極同步電動機異步起動的起動性能有所改善和勵磁繞組的控制設計方面的研究有一定的指導意義。In view of the problems existing in the research and producing of the iii image tube in our country, a study of the iii image intensifier have been carried on, the work introduced in this dissertation is as following : ( 1 ) the way to evaluate the properties of nea photocathodes has been proposed. that is using the spectral response and xps measurement results to determine the property parameters of nea photocathodes
本文針對國內在三代管研製方面存在的問題，圍繞「三代像增強器研究」作了以下工作： （ 1 ）研究nea光電陰極的性能評估，提出通過光譜響應和變角xps測試確定陰極特性參量，從而有效地解決nea光電陰極的性能表徵問題。We are in the process right now, of acquiring and finding people who will turn their home into a house of power and if you are interested in doing that, i want you to write me, call me, go to our website and register and let us know that you are receiving a call from god to open your house and create a house of power
讓積極的人環繞你，在那裡得力得鼓勵，我們仍然在物色有信心的人，願意開放自己的家成為權能之家，讓人可以聚集一起，得力量得鼓勵，得著神要他們得著的。若你願意這樣做，請與我們聯絡，在我們的網站也可以得到相關資料。網址是houseofpower . org ，也可以從hourofpower . org進入。Surround yourself with positive people, positive things, sunshine, rainbows, and roses, you will feel much better
如果你身邊所圈繞著的都是樂觀積極的人和事，或者都是陽光、彩虹和玫瑰，你就會感到更愉快。分享友人