軸向導電 的英文怎麼說
中文拼音 [zhóuxiàngdǎodiàn]
軸向導電
英文
axial conduction-
Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results
這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes
本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋方程組和波導的邊界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場的精確解,並發現了一些有用的特性: ( 1 )模式場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模式;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模式,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。The bandgap is found to broaden with increasing dopant concentration, and it is found that doping with al has the effect of shifting the optical absorption to the shorter wavelength, with both cases being attributed to the burstein - moss shift. we report a study on the fabrication and characterization of ultraviolet photodetectors based on zno : al films. using sol - gel technique, highly c - axis oriented zno films with 5 mol. %
為了研究zno : al薄膜在紫外光探測方面的性能,我們採用溶膠-凝膠旋塗法在si襯底上生長出具有高度c軸取向的zno : al薄膜,摻al濃度為5mol . % ,並以此作為有源區成功制備出了au / zno : al / au光電導型紫外探測器的原型器件,並對其i - v特性、紫外光響應和光致發光等方面的性能進行了研究。On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained
推導了最佳陣元分佈方程,分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析,推導了天線方向圖旁瓣包絡、波束寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參數的關系。Measurement of microwave permittivity and permeability of homogeneous and lossy isotropic materials. method of measurement for circular coaxial guide
均勻以及有損耗的各向同性物質的微波電容率和滲透率的測定.圓形同軸導向裝置的測量方法Secondly, the math model of the high - speed pm generator with a shielding is deduced. the method of how to analyze the electromagnetic field of the generator is introduced. and with the help of a kind of fem software, the parameters of a model machine are calculated and simulated, including the electromagnetic field, no - load voltage, single - side magnetic force, loaded torque and axial force
其次,對轉子帶防護罩的高速永磁發電機數學模型進行了推導,介紹了利用有限元法對電機磁場進行分析的方法,並運用有限元軟體對一臺樣機的參數進行了模擬,包括電機磁場分析、空載電壓波形、單邊磁拉力、負載轉矩以及軸向力等方面的內容。With the reducing of s s fibers " diameter, the axial conductance rate of the fiber was reduced, the resistance increased
隨著奧氏體不銹鋼纖維絲徑的減小,纖維的軸向電導率降低,電阻增加。It is a professional manufacturer of series of linear motion bearings, flange linear bearings, lengthened flange linear bearings, linear slippers, linear guides linear shaft chromeplate non - chromeplate, precise linear guides aluminium support guides, spherical plain bearings rod ends, spherical plain radial bearings, bolt type roller and needle roller bearings. we also can make other nonstandard bearings at any time. our products are used widely in various industrial machineries of weaving, printing, medical, precise machine tool, packing, metallurgy, spaceflight, automatic recording instrument, etc
麗水市豪滾軸承製造有限公司座落在浙江麗水市水閣工業區,是一家專業生產:直線運動球軸承系列法蘭直線軸承系列加長型法蘭直線軸承系列直線滑塊系列直線導軌光軸鍍鉻不鍍鉻精密直線導軌系列鋁支撐導軌桿端關節軸承系列向心關節軸承系列螺栓型滾輪滾針軸承系列,隨時可訂做各種非標型軸承,產品廣泛用於紡織機械印刷機械電動工具醫藥機械精密機床包裝冶金航天自動記錄儀等各種工業機械的配套。Fixed resistors for use in electronic equipment - part 4 : detail specification : fixed power wirewound resistors with solderable axial wire leads - stability class 5 % - assessment level e
電子設備用固定電阻器.第4部分:詳細規范.具有可焊軸向導線的固定功率線繞電阻器. 5 %穩定度.評定級eFixed resistors for use in electronic equipment - part 4 : detail specification : fixed power wirewound resistors with solderable axial wire leads - stability class 1 % - assessment level e
電子設備用固定電阻器.第4部分:詳細規范.具有可焊軸向導線的固定功率線繞電阻器. 1 %穩定度.評定級eFixed resistors for use in electronic equipment - part 5 : detail specification : fixed precision wirewound resistors with solderable axial wire leads - stability class 0, 1 % - assessment level e
電子設備用固定電阻器.第5部分:空白詳細規范.具有可焊軸向導線的固定精密線繞電阻器. 0 . 1 %穩定度. e級評定The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement
研究結果表明,增大砂輪軸向進給速度和減小工件轉速,採用粗粒度砂輪有利於提高磨削矽片的材料去除率,砂輪軸向進給速度對材料去除率的影響最為顯著;適當增大砂輪轉速,減小砂輪軸向進給速度,採用細粒度砂輪可以減小磨削表面粗糙度;在其它條件一定的情況下,砂輪速度超過一定值會導致材料去除率減小,主軸電機電流急劇增大,表面粗糙度變差;採用比# 2000粒度更細的砂輪磨削時,材料去除率減小,矽片表面粗糙度沒有明顯改善。The conclusion that ez is more important during the breakdown of rf ion source is made out by comparing ez and e 6 before breakdown, and then, the breakdown criterion of rf ion source is deduced, and the relation between breakdown voltage and pressure is analyzed too
通過比較擊穿前高頻電場的軸向和幅向分量,得出了軸向電場在高頻離子源擊穿中起主要作用的結論,並進而推導出了高頻離子源的擊穿判據,得出了氣體擊穿時離子源擊穿電壓和放電管內氣壓的關系。Moreover, with the datum come from calculation and test, it seams that after the number of batten floor n > 3 the change of b effected by n is too weak to be ignored. hence, that indicates it is available that the laterlly buckle of the batten column with the single axis of symmetry could be calculated with b worked out from h - shaped anglicizing element without n
此外,由電算和實驗分析可見,值在綴板層數n 3以後,其變化受n值的影響不大,這說明用h計算單元導出的與綴板層數無關的值計算公式是可以用於單軸對稱綴板柱的側向屈的計算。Only appropriate field is applied, can planar waveguide be fabricated in sbn crystal
只有沿sbn晶體的c軸方向施加適當的外電場,才能寫入平面光波導。In the model, johnson - cook strength is combined with gurson - tvergaard - needleman yield criteria, and random distribution of microvoids is used. results show that quasi - periodic axial fracture will appear, which obstructs the mirror current of the armature
在給定微孔洞的初始擾動時,計算結果解釋了鋁電樞表面將要形成的不穩定性,它導致了電樞外表面出現周期性的軸向裂紋,阻礙了鏡像電流,使fcg損耗增加。For the first time, the solenoid collecting magnetic field optical transducing principle is presented in this paper, and it is proved that the way to measure current by polarized light encircling conductor and that by polarized light threading solenoid axes are equivalent
為了解決aoct的長期運行穩定性問題,首次提出了「螺線管聚磁光學傳感原理」 ,證明了偏振光圍繞著無限長通電導體測量電流與偏振光通過通電螺線管的軸向方向測量電流,在光學傳感測量電流的意義上是等價的。Then with the introduction of the expression of radial electric field and azimuth magnetic field, the movement tracks of electrons in the interaction space are modified on account of the azimuth magnetic field decreasing with the decrease of the axial current
接著,引入同軸系統中徑向電場和角向磁場的表達式,並且考慮到軸向電流的逐漸減小會導致角向磁場沿軸向的變化,推出修正後的電子運動軌跡表達式。By using the method of separation of variables, a recursive formula was derived for the electromagnetic fields in a circular coaxial cable with a radial conductor plate and filled with multilayered homogeneous isotropic media, and the relationship between the first and the nth layers of the electromagnetic fields was determined
摘要採用分離變量方法,推導了有徑向導體板、填充均勻的多層各向同性介質的同軸線各層電磁場之間的遞推關系,得到了第1層與第n層介質中電磁場的關系方程。A virtual cathode oscillator with an axially extracted te10 or te11 mode based on the tomachan accelerator in our laboratory is investigated using the pic simulation code. the tomachan accelerator can run with an electron beam of 400kev and 8. 9ka
基於tomachan加速器電子束參數設計的軸向提取te10 / te11模虛陰極振蕩器,不需要改變束-波作用區結構,只需通過更換提取波導,即可實現te10 / te11模式微波的軸向提取。分享友人