電交替 的英文怎麼說
中文拼音 [diànjiāotì]
電交替
英文
electrical alternations-
Abstract : the paper interprets alternant polarization phenomen on of even alternant hydrocarbons by discussing charge density on every position of even alternate when it is polarized using perturbational molecular orbitals ( pmo )
文摘:本文用微擾分子軌道法( pmo )討論了偶交替烴被極化時各位置上的電荷密度,解釋了偶交替烴電荷的交替極化現象。The sensor used unbalanced principle of alternating electric field around feed cable to detect the state of electric field of cable core over the ground, thereby got out the result that the feed state of cable in mine had no relation to the current in the cable
該傳感器利用饋電電纜周圍交替電場的不平衡原理檢測電纜芯線對地的電場狀態,從而間接檢測出礦井電纜的饋電狀態與電纜是否有電流無關。In listing 3, it points to the interleaved mpeg - 4 movie
在清單3中,它指向交替存儲格式的mpeg - 4電影。In this paper, besides the simulation of the normal physiological condition, ecg waveforms under pathological conditions due to cell membrane ionic channel mutation such of as long - qt syndrome, short - qt syndrome, t wave alternans and brugada syndrome also be simulated and researched, which validated this ecg model, at the same time be beneficial to further research on
文中除了模擬正常生理狀態下的心電圖以外,對長qt間期綜合癥、短qt間期綜合征、 t波電交替和brugada綜合癥等幾種由細胞膜離子通道改變所引起的病態心電圖波形也進行了模擬研究,充分驗證了模型的正確性,同時也為進一步在此上進行疾病治療藥物的研究奠定了基礎。The paper chooses the alternate iterate algorithm after made a compare with all kinds of power flow computation algorithms. the results of the two examples indicate that the platform is efficient and accurate
文中對各種配電網潮流計算方法進行了比較分析,選用了性能較好的交替迭代演算法進行了潮流計算,計算結果表明,本軟體平臺是高效的、正確的。Reactive optimal control of distribution system is based on power flow calculation. alternate iterating algorithm is proposed in this paper according to characters of reactive optimal control. the algorithm has advantages of fast computation speed, a few iterating times, high accuracy convergence and easy programming. it is an effect method applied to reactive optimal control
其次,針對配電網無功優化控制對配電網潮流計算的要求,採用交替迭代演算法進行配電網的潮流計算,該演算法編程簡單、收斂性好、計算速度快,適合於配電網無功優化控制的調用。The radiation field evolves from a steady saturation state to a limit cycle oscillation state, and eventually to chaotic oscillation state as the current increases, the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime, respectively : ( 1 ) in the " soft " nonlinear regime, the radiation field is characterized by period doubled bifurcation and the discrete power spectrum
隨著電流的增大,輻射場經歷由穩定飽和到極限環型的周期振蕩,並最終過渡到非周期性混沌振蕩的演化過程,按其狀態可分為「軟」和「硬」兩種非線性區域: ( 1 )在「軟」非線性區域,場的極限環振蕩態和穩定飽和態是交替出現的,其特徵是典型的倍周期分岔,輸出功率譜是分立的。Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡頻率最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩定An ordinary meter will not respond to these rapid alterations.
普通的電流計無法響應這些快速的交替變化。Organic - inorganic assembly layered perovskite - type materials integrate useful organic and inorganic characteristics on a molecular level. the inorganic component forms an extended framwork bound by strong covalent or ionic interactions, and the organic component is filled in which and thus the organic layer and inorganic layer are alternately stacked. the materials have unique properties such as electronic, optic and magnetic properties, and there has been great interest in studying them recently
層狀類鈣鈦礦有機-無機分子組裝材料在分子水平上結合了有機組分和無機組分的有益特性,無機組分通過強的共價鍵或離子鍵形成擴展的骨架,並將有機組分填入框架中形成有機層與無機層交替的結構,具有某些電學、光學、磁學特性,引起人們的研究興趣。Attenuation by substitution measurement for short - length multimode graded - index and single mode optical fiber cable assemblies
交替測量法進行短長度的多模漸變折射率光纖電纜和單模光纖電纜組件衰減量的測量Cool wall wizard dreaming to automatically download various colors wallpaper to work intensely all day into your computer, no longer feel monotonous and boring ; extremely rich in the network wallpaper, the 12 classification, support manually download new wallpaper ; intelligent frame rapid trimming technology, adaptive various popular display size ; timing can be manually or replacement of desktop wallpaper, different timing of the transformation also supports random transform mode ; circle player in the process, support the insertion of local wallpaper, wallpaper and local networks of pictures that turn ; to hide / show desktop icons, wallpaper and user - friendly viewing ; since the launch set to boot, the first time you gave surprise ; cool wall wizard provide three kinds of styles console skin ( white fashion, classic black, gray and elegant ) ; wallpaper borders can set the color to the background transparent desktop text
雪狐酷壁精靈自動下載各類絢麗的壁紙,讓整天對著電腦埋頭工作的你,不再感到單調、無聊;極豐富的網路壁紙庫,十二大分類,支持手動下載新壁紙;智能邊框快速切邊技術,能自適應各種流行的顯示器尺寸;可以定時或手動更換桌面壁紙,提供不同變換時間的選擇,還支持隨機變換模式;循環播放過程中,支持插入本地壁紙,實現網路壁紙和本地圖片的交替顯示;可隱藏/顯示桌面圖標,方便用戶觀賞壁紙;允許設定開機自啟動,第一時間就給你驚喜;酷壁精靈提供有3種風格的控制臺皮膚(白色時尚、黑色經典、灰色典雅) ;還能設置壁紙邊框的顏色,讓桌面文字的背景透明。The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers
實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系,給出了班圖類型隨上述條件變化的相圖;實驗採用光學方法對正方網格斑圖進行了時空動力學測量,發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成,其中一套的微放電絲位於另一套正方形單元的中心,這兩套微放電絲交替進行放電;考慮到壁電荷之間的相互作用,研究了正方網格斑圖的穩定性;實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的,考慮到電介質表面積累的壁電荷的作用,使用擊穿?熄滅方程很好的解釋了該現象。In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually
為解決這一問題,本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法,即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分,將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分,對前一部分採用特徵線法求解,對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解,這兩部分的求解過程交替進行,最終即可得到水電系統大擾動過程的模擬結果。Slow relief relay
緩動交替繼電器The performance aim requires the discharge time is longer than 5 minutes at 10c, the middle voltage is more than 1. 0v. the discharge capacity is above 60 % at 20a and 0. the life time of discharging at 10a and 2a alternately is over 200 cycles
在研製電池的性能目標中,要求電池ioc放電時間在5分鐘以上,中值電壓高於1 . 0v ;電池具有0 20a放電性能,放電容量達到標稱容量的60以上;電池循環壽命長, 2a 、 10a交替放電循環壽命超過200次。However, in current design flow, designers do not consider whether designs are friendly to opc before they are sent to foundries. in fact, a lot of features in such designs can not be corrected enough because of many factors such as the constraints of environments. so even though such designs are corrected, many lithographic errors still exist
然而,由於在當前的集成電路設計流中,在設計出的版圖送到製造廠商前,電路的設計者並沒有考慮版圖對光學鄰近校正和交替移相掩模的友好性問題,這使得版圖中的一些圖形由於周圍條件的限制,如無法充分進行光學鄰近校正,無法進行交替移相掩模的處理等,從而使得版圖設計即使進行了校正處理,還存在大量光刻故障的可能性。Non - oscillatory and non - free - parameters dissipative ( nnd ) finite difference scheme ( a total variation diminishing scheme ) with second order accuracy was adopted to solve the fluid dynamic equations, a finite rate chemical reaction model was developed to calculate ingredient producing rate, and an adi over relaxation iteration technique was used to solve the electromagnetic discretized equations
採用二階精度nnd格式求解流體力學方程組,採用有限速率化學反應模型計算組分生成率,採用交替方向隱式( adi )超鬆弛迭代法求解電磁場離散方程。The co2 welding process needs the special external characteristic and dynamic characteristic of power source for there are alternately arcing time and short circuiting time at the period of short - circuiting co2 welding
在採用短路過渡方式的co2焊過程中,短路和燃弧過程交替發生,因此它對電源的外特性和動特性有特殊的要求。During the research on substation location in rural power subsystem planning, builds space optimal model on the basis of theory of christaller ? center geography, which utilizing economic supply radius to optimize the number of substations based on the average load density. with the reference of the said number, uses the method of alternative address selection to achieve the optimal solution
在農村電網變電所布局子系統規劃研究中,以克里斯塔勒的中心地理論為基礎,建立了基於gis的變電所布局空間優化模型,該模型利用經濟供電半徑優化平均負荷密度下的變電所數量,並以此為參照,採用交替選址分劃法求得變電所的合理布局。分享友人