透射靶 的英文怎麼說
中文拼音 [tòushèbǎ]
透射靶
英文
transmission target-
The generation of energetic ions during the interaction of a linear - polarized ultra - short ultra - intense laser pulse with solid targets are examined by particle simulation. three energetic ion populations are observed and the acceleration mechanisms are analyzed, respectively. the first population is pulled out from the target by the electron jet in front of the target
模擬觀察到三群高能離子的產生，並對其加速機制一一進行了分析:在靶的前部，向外噴射的高能電子在靶前形成電子云，將一部分離子拉出靶面，形成第一群高能離子;激光驅動大量高能電子向靶內輸運，這些電子牽引靶前部的離子向前加速，形成第二群高能離子:高能電子很快穿透靶，在靶后形成電子云，加速靶后表面處的離子，形成第三群高能離子。With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3
首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。Uniform and compact plzt and sno _ 2 ceramic targets, which diameter were 212mm and 221mm, respectively, had been successfully fabricated. ( 2 ) a rotating magnetic field rf magnetron sputtering system had been designed and set up, which showed high utilization efficiency of target, high films uniformity, and high deposition rate, etc. ( 3 ) the plzt and sno _ 2 thin films were investigated by afm, xrd, sem, and spectral photometer. the optimized processing parameters of preparing these films had been found
並以此為基礎分別制備了緻密、均勻、平整、直徑為212mm的plzt和221mm的sno _ 2陶瓷濺射靶材; （ 2 ）為克服現有磁控濺射設備的不足，提出了一種新的磁控濺射方案，採用該方案的設備具有:靶材利用率高、鍍膜均勻、成膜速度快等特點; （ 3 ）運用afm 、 xrd 、 sem以及雙光路分光光度計等分析手段對plzt和sno _ 2薄膜的微結構和性能進行研究，找到了制備plzt電光薄膜和sno2透明電極材料的最佳工藝條件。It is found that starch microgel has microporous network structure and environmental responsiveness, moreover, its volume phase transition temperature ( tc ) is around 37, which are researched by the characterization of tem, dls, light refraction and other techniques. so, starch microgel with those advantages can be expected to use as a targeting drug carrier
藉助透射電鏡、動態光散射、光折射等技術的表徵，發現所制備的澱粉微凝膠具有微孔網路結構和環境敏感性，而且相體積轉變溫度（ t _ c ）約37 ，所制澱粉微凝膠的這些優越性可望作為靶向藥物載體。At first, measuring the electron recoil spectra of target room gamma ray. through the resolution of spectra we get the gamma ray spectra caused by target room. then we transform it to the zero point, the place of neutron source, and calculate the leakage gamma ray spectra t from iron sphere caused by target room gamma ray by mcnp program
靶室產生的射線本底，通過實驗測量和模擬計算相結合的方法加以扣除，首先測量靶室產生的射線康普頓反沖電子譜，解譜得到靶室泄漏譜，將所解得的靶室泄漏譜歸一到原點，即中子源處，利用mcnp蒙卡程序輸運計算靶室射線穿透鐵球后所泄漏的能譜，最後從d ? t中子穿透鐵球伴生射線泄漏能譜s中扣除。Distance between target and substrate get longer also increase the transmission of aln films. as the temperature of substrate get higher, the transmission of ultrathin aluminum films decrease slightly. nitrogen gas concentration and sputtering time barely take effect on the transmission of aln films
發現，隨著工作壓強的升高、靶距的增加，薄膜的透光率上升;基片溫度的升高在非晶襯底上會導致樣品透光率的下降;而氮氣濃度和濺射時間對薄膜的透光率影響不大。分享友人