穩定的電弧 的英文怎麼說

中文拼音 [wěndìngdediàn]
穩定的電弧 英文
stable arc
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 4次方是 The fourth power of 2 is direction
  • : 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...
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc

    研究表明,集氣腔總壓對推力器工作過程具有多方面影響,在保證情況下,適當提高集氣腔總壓可同時提高比沖和推進效率。
  2. The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc

    計算了流峰值時觸頭間隙中心平面和觸頭片上縱向磁場分佈,可以看出加入鐵芯后縱向磁場強度和徑向磁場均勻性增強,這有利於提高真空性。
  3. Specially for welding of thin and mid - thickness steel ; suitable for mag co2 welding of low carbon steel and low alloy steel inner wire feeder structure ; zx5 series thyristor dc arc welder ac arc welder with single phase moveable coil for sma mma welding ; suitable for welding low carbon steel, low alloy steel ; suitable for welding mid - thickness steel

    可用於所有牌號焊條直接手工焊接引容易,無須用戶調節可遠距離調節焊接流,便於焊工操作焊機動特性好,性能柔和,焊接熔池平靜,飛濺小,不咬邊,焊縫成形美觀。
  4. 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焊接壓和波形.研究了水蒸氣保護下及熔滴過渡特點,發現其過程行為有「燃?熄?短路」和「燃?短路」兩種形式.在焊絲直徑和送絲速度一情況下,通過調節焊接迴路中感量和壓,可以改變過程行為形式.若過程呈「燃?熄?短路」交替進行,並且熄時間最短時,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
  5. Using the traits of arc adjust itself of the co _ 2 welding, adopting slow - descending feature or even feature of electrical source equipping with system that delivering the welding rod at the invariable speed, then, the arc burning steadily is realized, and the quality of welding is improved

    利用co _ 2氣體保護焊自身調節特性,採用緩降或平硬特性源配等速送絲系統,通過改變源空載壓來調節壓,再利用壓和熔化速度之間關系調節焊絲熔化速度使之等於送絲速度,最終實現燃燒。
  6. The material of electro - fused magnesia sinter is selected from special grade a natural magnesite or high - purity caustic calcined magnesite, which is fused in arc furnace to finish the products. the products possess high purity, crystal with and compact texture, have high heat - vibration steady and cinder corrosion resistant, it is used for making high quality magnesite bricks, magnesia - carbon bricks

    熔鎂砂是用精選特a級天然菱鎂石,在爐中熔融制得,該產品具有純度高,結晶緻密,抗渣性強熱震性好,是製作高檔鎂磚,鎂碳磚及不形耐火材料重要原料。
  7. Computational results show that the axial gas flow and the rotary flow, especially the axial gas flow plays the main role on the arc stability. the rotary flow can larger the region of the arc stability

    研究結果表明,縱向氣流和旋轉氣流對性確實起作用,尤其是縱向氣流,起著重要作用,而旋轉氣流對區域增加效果顯著。
  8. The linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively. the corresponding equations and the boundary conditions are deduced

    本文採用與時間有關線性微擾理論,分別討論了旋轉氣流、縱向氣流作用,以及它們共同作用下螺旋不特徵。
  9. The dcep mig has the characteristic of deeper penetration which can reduce defective fusion and good arc stabilization. the dcen mig has the characteristic of shallow penetration of welding seam, and the welding wire has a high melting speed. so the variable polarity pulsed mig is a new technology for the welding of aluminium alloy sheet

    變極性脈沖mig焊是一種新焊接工藝方法,其綜合了dcep脈沖mig焊熔深較大、可以減少焊縫熔合不良、性好和dcenmig焊焊縫熔深淺、焊絲熔化速度較快特點,減小了焊縫熔深,增加了焊絲熔化速度,是一種適合於薄板鋁合金焊接新方法。
  10. 8 - 1. 2g / min, and collection efficiency achieve 8 - 10 % under these parameters. through the study on the dispersion process of the nanoparticle tio2 in water, the author finds out that whisk time, dispersant types, dispersant concentration, dispersing time, ph value, temperature and electrolyte concentration have significant influence on dispersing effects. through contrastive and orthogonal experiments, the author obtains that composite dispersants have better results than single dispersants

    研究表明,液料等離子噴塗制備納米tio :顆粒平均粒徑為10 ~ 50nln ,其晶型以銳欽礦為主,且隨著功率增大,銳欽礦含量減少;在本次實驗工藝參數下,收集速率為0 . 8一1 . 29 / min ,收集效率為8一10 % o通過對納米ti02顆粒在水介質中分散性研究,發現機械攪拌時間、分散劑種類及濃度、分散時間、 ph值、溶液溫度和解質濃度對納米tio :顆粒分散性有很大影響。
  11. The system uses the popular double - deck controlling, namely the host communicates online with plc, at the same time it communicates with other stations by tcp / ip protocol. the electrodes regulate timely, quickly and true, with controlling three - phase voltage and current, so that power is stable comparatively

    本系統合理控制三相流、三相功率大小,從而極能夠實時、快速、準確地按照冶煉工藝要求進行調節,使功率在一范圍內,獲得期望控制效果。
  12. In the research of water arcjet, serious oscillation existed in jet and arc voltage was found and it led to unstable work state of arcjet

    目前對水加熱研究過程中,發現水加熱發動機羽流和壓存在強烈脈動,不能工作。
  13. It has been proved by test results that this protective method is suitable not only for neutral point insulated system, but also for neutral point grounded system through arc suppression coil

    實驗結果表明:該保護原理不僅適用於中性點絕緣系統,而且適用於中性點經消線圈接地系統,提高了選擇性漏動作可靠性,保證了動作值性。
  14. The results prove that the scheme increases the stability of electrode apparently, current fluctuating has been reduced, speed of system echo has been improved. the system has fine self - adaptive ability and fine ability to resist interference

    現場調試結果表明採用控制方法大大提高了極控制性,流波動降低,系統快速性大大提高,系統具有較強自適應能力和魯棒性。
  15. The results are compared with old ones. it is clear that arc voltage, thrust, specific impulse, efficiency and stability are all improved remarkably

    結構改進后,發動機壓、推力、比沖等性能以及各工況下工作性都得到了顯著改善。
  16. 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、特性、焰流速度和燃燒角度分析了發生器中等離子特徵。
  17. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數分佈.給出了計算所使用網格和一些計算結果.簡要介紹了實驗所使用設備,如源系統、點火系統、推進劑供給系統、加熱式發動機、推力測量裝置和真空系統.對所觀察到一些工作現象進行了討論.有三種不同性出現于實驗過程.除了所測量一些重要參數,通過實驗發現氬比氮工作更
  18. The perfectly designed square - wave insures the stableness and concentration of electric arc

    設計理想方波源,確保了和集中。
  19. Graphite electrodes are mainly used as electric conduction material of are furnace for steel, yellow phosphorus and industrial silicon, smelting all kinds of alloy steel, nonferrous metal and rare metal, graphite electrodes will have a wide and steady market now and in the future

    石墨極主要用於鋼鐵黃磷工業硅等工業爐作導材料,冶煉各種合金鋼,有色金屬及稀有金屬。石墨極在目前及今後一段時期內均有廣闊市場。
  20. The results reveal that the microstructure of the nb - si system intermetallics consists of nb and nbasi phases. because of unstable microstructure of nfysi phase at high temperature, the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics should be acquired by means of heat - treatment

    研究表明,採用熔煉和單晶生長技術制備nb - si系金屬間化合物顯微組織主要由nb + nb _ 3si組成,而由於nb _ 3si相在高溫下是不,為了得到nb + nb _ 5si _ 3雙相組織,必須對材料進行熱處理。
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