電對流 的英文怎麼說
中文拼音 [diànduìliú]
電對流
英文
electric convection-
In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。Protocol of counter immunoelectrophoresis for mink aleutian disease
水貂阿留申病對流免疫電泳操作規程Dynamo effect in no convection regions of the celestial bodies
無對流區天體中的發電機效應Ozone enhancement was observed in the lower troposphere over kunming on 21 march 2001 using electrochemical concentration cell ozonesondes
摘要2001 - 03 - 21在昆明用電化學臭氧探空儀探測到了對流層低層異常的高濃度臭氧分佈。That the earth has an iron - rich liquid core, sufficient energy to drive convection and a coriolis force to twist the convecting fluid are primary reasons why the geodynamo has sustained itself for billions of years
地球擁有富含鐵的液態核心、有足夠的能量驅動對流,並具有科氏力可使對流的流體扭轉,這些是地球發電機之所以能自我維持數十億年的主要原因。Hot water is likewise less dense than cold water and rises, causing convection currents which transport energy
熱水是同樣密度較低,比冷水上升,造成對流電流,其中運輸能源。Stream media interaction education video dibble 、 video teaching 、 network television, analyzing stream media will become more and more focused. network stream media technology will serve distance education and lifelong study well
通過對流媒體技術的遠程教育應用視頻點播、視頻教學、網路電視的研究,分析流媒體將會被遠程教學越來越關注。Above the troposphere is the stratosphere, followed by the ionosphere and capped by the exosphere
在對流層上是平流層,接著是電離層,最上層是外逸層。A piezoelectric fluidic angular rate sensor ( pears ) is a kind of flow sensor. in this thesis peats were researched
Cjsys - a5型壓電射流角速度傳感器(以下簡稱壓電射流角速度傳感器)屬于氣流式傳感器,本學位論文對壓電射流角速度傳感器進行了研究。Contraposing the measurement principle of the traditional hotwire air mass flowmeter, the reason of the excursion of the result for flow measurement was analyzed and inferred when environment temperature changed ; the method for temperature compensation and the realization circuit was given ; and compared the theory output of the new type hotwire air mass flowmeter with its real output after temperature compensation
摘要針對傳統型熱線式空氣質量流量計的測量原理,分析和推導出當環境溫度變化時對流量測量結果產生偏移的原因;提出了一種環境溫度的補償方法和具體的實現電路;並對經環境溫度補償后的一種新型熱線式空氣質量流量計的理論輸出和實際輸出進行了計算與比較。Many planets ( for example, ganymede, mercury, the earth, jupiter and saturn ) and stars ( for example, the sun ) possess intrinsic magnetic fields. the explanation for their existence and variation remains a great challenge to planetary scientists and astrophysicists. this article attempts to review some recent developments and difficulties in the study of magnetohydrodynamics for the electrically conducting fluid interiors of planets and stars. it is the fluid motions, usually driven by thermal convection, that generate and sustain magnetic fields through magnetohydrodynamic processes in planets and stars. in planets, the magnetohydrodynamic processes are strongly affected by the combined and inseparable effects of rotation, magnetic fields and spherical geometry. the key dynamics involves the interaction between the coriolis and lorentz forces. in the sun, it is the solar tachocline, a thin shear flow layer located at the base of the convection envelope, that plays an essential role in the solar magnetohydrodynamic processes which produce the 11 - year sunspot cycle. some results of a new nonlinear three - dimensional solar dynamo model are also presented
許多行星(如木衛三,水星,地球,木星和土星)和恆星(如太陽)具有內部磁場.對這些磁場的存在和變化的解釋對行星科學家和天體物理學家是一個巨大的挑戰.本文試圖總結行星和恆星的導電流體內部磁流體力學研究的新近發展和困難.一般由熱對流驅動的流動通過磁流體力學過程產生並維持在行星和恆星中的磁場.在行星中磁流體力學過程強烈地受到轉動,磁場和球幾何位型的綜合影響.其動力學的關鍵方面涉及科里奧利力和洛倫茲力間的相互作用.在太陽中其流線,即處于對流層的薄的剪切流層在太陽的磁流體力學過程中扮演了一個基本的角色,並由之產生了11年的太陽黑子周期.本文也給出了一個新的非線性三維太陽發電機模型Analysis of complexions of 113 cases health adults below gd - 3 photoelectric blood stream plethysmograph
3型光電血流容積儀對113例健康人面部常色的檢測分析After expounding the power supply and current collection modes of the rolling stock in shanghai umt pearl line in terms of technology and economy, the author argues that two current collection modes shall be adopted for shanghai umt pearl line, i. e. a third rail collector be on skybridge while the overhead contact line on the ground
摘要闡述了城市軌道交通車輛供電受流方式的特點,並從技術和經濟兩方面對上海明珠線車輛供電受流方式進行了探討,提出了明珠線車輛應採用雙受流方式,即高架橋上採用接觸軌受流器受電,地面採用架空接觸網受電弓受電。Evaporation ducts, or tropospheric ducts in general, can guide radio waves to distances far beyond the horizon with less attenuation, and then severely impair some certain radio wave system
以蒸發波導為代表的對流層大氣波導傳播,可使電波在較小的衰減下沿波導傳播得很遠,從而嚴重影響合適的無線電系統。The research object of this thesis is a chip - array that is fixed on one of printed circuit boards ( pcb ), which are located in a forced air field ( forced convection ) in an electronic case ; and from the essential equations of airflow we can deduce the mathematical model of the turbulent flow ; then we can establish the finite element algorithm and apply the fe software to work out the equations of turbulent flow, finally we can use the software to display and analyse the field of flow and temperature
本文以處于強迫空氣對流流場中的某pcb板及其板上的電子元件陣列作為研究對象,推導了紊流流場的數學模型,並建立了相應的有限元求解格式,應用有限元法分析軟體對該系統的紊流流場和溫度場進行了模擬分析:解算出pcb板上各電子元件的溫度分佈;並提出了用於求解系統風道特性曲線的cfd方法。From the distribution of rotation period and convection parameter of m type stars, stellar chromospheric activity of m type stars depart from the anticipation of a. dynamo theory obviously
從m型主序星的自轉周期的和恆星內部對流區隨色指數的分佈來看, m型主序星的色球活動行為與發電機理論的預期有明顯的差異。In the first part of this paper, mn ( iii ) / mn ( ii ) couple in h2so4 was firstly applied as the positive couple to this system, i. e. redox flow cell. its chemical, electrochemical properties, redox kinetics and related parameters were characterized and discussed by rotating disc electrode ( rde ), cyclic voltammetry ( cv ), a. c. impedance ( a. c. imp ), chronoamperometry, tafel curve, and galvanostatic charge / discharge techniques. conclusions have been drawn as follows : 1. the electrochemical kinetics of mn ( iii ) / mn ( ii ) redox couple in 6. 3m h2so4 solution were studied by means of rotating disc electrode ( rde ) technique on platinum electrode
本文第一部分首次成功地將酸性介質中的mn ( iii ) / mn ( ii )電對應用於氧化還原液流電池這一新型儲能裝置的正極活性材料,通過旋轉圓盤( rde ) 、循環伏安( cv ) 、交流阻抗( a . c . imp ) 、恆電位階躍、 tafel實驗以及mn ( iii ) / mn ( ii )單電極的恆流充放電實驗,我們得出以下結論: 1 .在旋轉圓盤電極上,不同轉速范圍,不同的極化過電位, mn ( ) / mn ( )體系氧化還原電極過程的控制步驟不同,電荷傳遞、擴散傳質可分別或聯合成為控制步驟。We have done a serial of experiments to study the pam and anode grid with the aids of the measurement such as constant current charge / recharge, cyclic voltammetric measure ments, electric impedance spectrum and so on
我們通過恆電流充放電、交流阻抗和循環伏安等實驗方法和測試手段對鉛酸電池的正極活性物質和板柵進行了一系列的研究。The flow characteristics, distributions of current density and chemical components, and the performance of these two different designs are calculated and compared. the flow and mass transport characteristics are analyzed in detail, which indicate that strong forced convection is produced in the interdigitated flow field, which consist of dead - end gas channel that force the gases through the porous electrodes. results of comparison show that forced convection induced by the interdigitated flow field in the diffusion layer effectively enhances mass transport of reactants and products, thus leading to a higher cell performance and the limiting current density
在傳統流道設計的pemfc中,反應物從流道到催化層的供應和生成物從催化層到流道的排出主要是以擴散為主,而在交叉梳狀流道設計中,以流動帶動的對流傳遞則占據了主導地位,而且這種以對流為主的傳遞機理大大提高了反應物和產物傳遞速率,從而有效地改善了電池的極限電流密度和極化性能等特性。Standard specification for convection oven gas or electric
燃氣或電對流爐標準規范分享友人