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diffusion velocity造句

"diffusion velocity"是什么意思   

例句與造句

  1. Gas diffusion velocity
    氣體擴散速度
  2. Self diffusion velocity
    自擴散速度
  3. 6 . the melting of the grain boundary is the reason of the semi - solid grain globalization , and its control factors were the atomic diffusion velocity and the liquid - solid interface curvature
    6 、半固態(tài)晶粒球狀化的基本原因是晶界熔化,其控制因素是因液界面處原子擴散遷移的速度和界面曲率。
  4. The samples were welded at 750 , 800 , 850 and 900 . the diffusion coefficients ( d ) of cu and ni at interface increased with the increase of welding temperature . and comparing with radiation heating , atom diffusion velocity at interface quickened
    其它條件相同時,分別在750 、 800 、 850 、 900的溫度下采用脈沖大電流加熱連接cu和ni片狀材料,結(jié)果表明接觸面處cu和ni的擴散系數(shù)隨溫度升高而增大。
  5. Upon the foundation of contracted - ball , function equations of conversion rates of grains and time are deduced . it is brought forward that the conversion rates of grains rely on reaction velocity at interface and diffusion velocity in reacted layer and at the same time relate to reaction process
    建立了粉粒反應(yīng)的縮球模型,推導(dǎo)了顆粒反應(yīng)轉(zhuǎn)換率隨時間的變化規(guī)律,提出了顆粒反應(yīng)轉(zhuǎn)換率取決于界面化學(xué)反應(yīng)速率和已反應(yīng)層內(nèi)的擴散速率兩個因素并與反應(yīng)進程有關(guān)。
  6. It's difficult to find diffusion velocity in a sentence. 用diffusion velocity造句挺難的
  7. The diffusion carrier concentration profile and junction depth were measured and compared with conventional furnace processing diffusion ( cfd ) . it presented following conclusions : 1 ) the temperature distribution in quartz chamber of rtd furnace is uniform because square resistance is uniform after rtd ; 2 ) the diffusion velocity of rtd furnace by a factor of three compare to conventional furnace processing diffusion ( rtd ) ; 3 ) if diffusion temperature and doping phosphorus are equivalent , doping phosphorus of rtd are more than of cfd in equivalent distance to the silicon surface
    實驗研究了快速熱擴散( rtd ) :通過旋涂磷膠和印刷磷漿兩種方式考查了2 4和103 103單晶硅的快速熱擴散特性,發(fā)現(xiàn): 1 )此樣機的溫度場在空間分布上是均勻的; 2 )快速熱擴散可以比傳統(tǒng)擴散快3倍的速度進行擴散; 3 )在擴散溫度和摻雜磷源相同的條件下,與傳統(tǒng)擴散相比,快速熱擴散將雜質(zhì)向結(jié)更深的地方推進。
  8. By control the adulteration of kmno4 powder in the raw materials , we found the adulteration of kmn04 powder decrease the dosage of easy melted metal mn , and release the hot - trap problem , enhance the diffusion velocity as well as cut down the synthesis temperature and combustion propagation velocity of the system
    320左右體系內(nèi)sro _ 2分解放出氧氣,并且和空氣中的co _ 2發(fā)生反應(yīng)生成了srco _ 3發(fā)生強烈的放熱反應(yīng),緩慢的放熱包。 450左右體系內(nèi)naclo _ 4分解吸熱, shs反應(yīng)被觸發(fā),反應(yīng)劇烈,放出大量的熱。

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