熱離子電流 的英文怎麼說
中文拼音 [rèlízidiànliú]
熱離子電流
英文
current, thermionic- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 離子 : [物理學] ion
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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In order to examine the south motorcycle engine preignition phenomenon, using the rich burning information of the massive ions which are produced when the air cylinder is burnt, through analyzing the wave form difference between lighting a fire normally and firing early, it can be determined whether preignition occurs or not
為了檢測南方摩托車發動機早燃現象,利用其氣缸內燃燒時產生大量的離子電流信號所包含的豐富燃燒信息,對其火花塞正常點火和熾熱點火離子電流顯示的波形進行研究分析,從而確定是否發生早燃。Pulse electric current heat treatment ( pecht ) developed by sodick, ltd., of japan, is a recently developed material processing method which consists of spark plasma sintering and welding, plasma activated sintering and welding, big pulse electric current ( bpec ) diffusion welding etc. the following are basic merits of pecht : rapid heating and cooling ; short sintering or welding time ; lowering sintering or welding temperature
脈沖電流熱加工( pulseelectriccurrentheattreatment ,比如燒結,焊接等)是九十年代發展起來的一種材料快速制備新技術,它包括放電等離子燒結與焊接、等離子活化燒結與焊接、脈沖大電流擴散焊接等。它具有升溫、降溫速度快、能在較低的溫度下燒結或焊接以及時間短的特點。The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model
本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題,研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響,探討了低熱固相反應的機理,並通過引進「恆壓-恆流充電容量比」的概念,給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical
通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空氣的熱電離導致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。The equations which are used in the radiation hydrodynamic model include the hydrodynamic equation of plasma, the absorption equation of laser, non - lte electron occupation probability equations, electron ion and photon energy equations ( three - temperature equations ), and the state equation of matter and so on
考慮的方程有:等離子體流體力學方程組,激光吸收方程,非局域熱動平衡電離下電子占據概率的速率方程組,電子離子的能量守恆方程組和光子的能量輸運方程(三溫方程組) ,關于元素不透明度的方程,以及描述物質狀態的方程等。In this thesis, the physical properties of a series of na2fepo4f cathode materials synthesized by various routes are instigated and discussed in the light of structural ( xrd ), thermal ( dta ) analyses and particle size distribution. their microstructures were studied by transmission electron microscope ( tem ) and scan electron microscope ( sem ). the electrochemistry property were evaluated with cells containing the synthesized na2fepo4f as positive electrode
本文將藉助x -射線衍射、掃描電鏡、透射電鏡、差熱分析以及電化學測試等方法,系統研究多種制備法對所合成的鈉離子二次電池正極活性材料氟磷酸亞鐵鈉的微結構以及循環可逆容量、循環伏安性能、交流阻抗譜的影響。We are quipped with all kind of advanced equipments, which include water heating unit ; water de - ionizer ; filtration, cooling, liquid circulation systems ; advanced paint heat cure ovens, etc
有熱水裝置,去離子水發生器,超濾裝置,冷卻裝置,直流電源,各種液體循環系統,漆膜固化烘道等輔助設備,為生產線提供工藝配套。整體設備復雜、技術含量高,工藝先進。Microwave plasma thruster ( mpt ) is a new type of electro - thermal thruster, which has widely applied prospect because of its high specific impulse, long lifetime, low plume contaminant and so on
微波等離子推力器( mpt )是一種新型的電熱型推力器,它具有比沖高、壽命長、羽流污染小等優點,具有廣闊的應用前景。Abstract : this paper describes the thermal effects of a coaxial rf - excitedco2 laser , based on the balance equations of electron density and energy , current continuity equation , and heat conduction equation. depende ncies of the spatial distributions of gas temperature on some discharge parameters arediscussed
文摘:通過求解放電等離子體中的帶電粒子密度和能量的平衡方程、電流連續性方程以及熱傳導方程,研究了同軸射頻( rf )激勵co2激光器中放電混合氣體的溫度效應,分析了有關放電參數對溫度分佈的影響。There is a part of beam loss during the course as the neutralization of high - energy particles dragged from the ion source, the deflexion of charged particle on the beam stream and the scraped beam of exceeding beam waist and low density. it is necessary to analyze the beam loss and bring forward a rational project for absorbing beam stream
將離子源引出的高能粒子進行中性化,再偏轉掉束流中的帶電粒子,將超過束腰半徑、密度較小的束流削除,在此過程中有一部分束流損失,它直接影響加熱功率的因素,因此,對束流損失進行了分析,對損失束流的吸收提出了吸收方案。It analyses the plasma electrical arc characteristic from the thermal and electrical characteristic and flame flow rate and the burning stability
從熱特性、電特性、焰流速度和燃燒穩定性的角度分析了發生器中等離子弧的特徵。Electrons streaming into adjacent layers of plasma with their thermal velocities will carry information about what is happening in the oscillating region.
以熱速度流入等離子體鄰近層的電子,將攜帶出現在振蕩區域的信息。We combined the cvd technique with the pecvd technique by adding a dc or rf electric field to the reacting region of cvd device, and improved the inputting method of reaction gases, then had executed a diamond film growth system. the advantages of our system are : ( 1 ) reaction power, which can enhance the density of the plasma in the reacting region, is supplied with the heat filament and the dc electric field, or with the heat filament and the rf electric field both of them can be controlled precisely and they are complementary to each other
將熱絲cvd技術與pecvd技術相結合,在薄膜的成核和生長階段分別給反應區再施加一個直流和射頻電場,同時改進反應氣體的進氣方式,製成具有下列兩大特點的金剛石薄膜生長系統: ( 1 )反應功率由熱絲和直流電場或熱絲和射頻電場共同提供,兩者互相補充,可精確控制,大大提高了反應區的等離子體密度; ( 2 )能精確控制反應氣體的分佈、流量及流速。The influence of parameters such as mass flow, input power, and constrictor size on arcjet performance is also analyzed. this work provides an experimental foundation for the numerical simulation study and optimized design of arcjet. a high - speed, high - resolution, multi - line spectroscopic diagnostic system has been improved to diagnostic the excitation temperature of arcjet plume
本文優化並改進了一套高速、高精度的多譜線電弧等離子體光譜診斷系統,使其適用於電弧加熱發動機羽流激發溫度的診斷,並利用該系統診斷了發動機出口羽流的非平衡程度和溫度沿徑向的分佈。Why pecht is so quick is a hot topic and many scholars are trying to explain it by proving plasma generating
脈沖大電流燒結、焊接為什麼如此之快是各國研究人員探索的熱點,多數學者從證明形成等離子的角度來解釋這一現象。分享友人