波圖利奇 的英文怎麼說
中文拼音 [bōtúlìjī]
波圖利奇
英文
potulic-
( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given
論文主要包括三個方面： （ 1 ）分析了凹面反射的焦散現象，給出了不同凹面反射的焦散圖； （ 2 ）分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了二維凹面反射波動場焦散區奇性主要有折疊（ fold ）和尖點（ cusp ）兩種的結論，利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式，並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果； （ 3 ）分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了三維凹面反射波動場焦散區奇性主要有折疊（ fom 、尖點kusp和燕尾k ）三種的結論，提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法，並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。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。Fabrizio miccoli has told juventus that he ' s unwilling to join porto given his time on loan with rivals benfica
法布里奇奧?米科利已經告知尤文圖斯，他在結束目前租借于本非卡的合同后並不願意加盟競爭對手波爾圖。More than a dozen artists lead by stuart craig, the production designer of the movies, have set up house in the studio to make sure every detail is considered, said scott trowbridge of universal
奧蘭多環球影城度假村的斯考特?特羅布里奇說，由《哈利?波特》電影的美工設計師斯圖亞特?克雷格領頭的十多個藝術家們已在影城安營紮寨，以保證每個細節都考慮周全。Who has been working with a creative team to make sure the park resembles the books and films. more than a dozen artists lead by stuart craig, the production designer of the movies, have set up house in the studio to make sure every detail is considered, said scott trowbridge of universal
奧蘭多環球影城度假村的斯考特特羅布里奇說，由哈利波特電影的美工設計師斯圖亞特克雷格領頭的十多個藝術家們已在影城安營紮寨，以保證每個細節都考慮周全。Rowling, who has been working with a creative team to make sure the park resembles the books and films. more than a dozen artists lead by stuart craig, the production designer of the movies, have set up house in the studio to make sure every detail is considered, said scott trowbridge of universal
奧蘭多環球影城度假村的斯考特特羅布里奇說，由哈利波特電影的美工設計師斯圖亞特克雷格領頭的十多個藝術家們已入住影城，投入到公園的建造中，以確保每個細節都能原汁原味。In the portuguese half stankovic tries to flick on a favalli pass to martins but it ' s misguided and porto regain possession
在波爾圖的半場斯坦科維奇接法瓦利的傳球后試圖迅速在分給馬丁斯，但被波爾圖斷下。分享友人