high energy reaction 中文意思是什麼

high energy reaction 解釋
高能反應
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • energy : n. 1. 干勁,活力。2. (語言、行為等的)生動。3. 〈pl. 〉 (個人的)精力;能力。4. 【物理學】能,能量。
  • reaction : n 1 反作用,反應;反沖;反動力。2 【政治學】反動,倒退;復古(運動)。3 【化學】反應,【物理學】...
  1. First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well

    文中針對氣動技術本身的特性及優點,如:可壓縮,具有緩沖性;能耗損失小,便於遠距離輸送;流量大、流速高,執行元件響應速度快等,以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的,設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器,並將其成功地運用到振動篩上,取得了較好的效果。
  2. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  3. The reflector can increase the neutron flux obviously and the main processes of the neutron yield in reflector are spallation reaction induced by energetic hadrons and ( n, 2n ) reaction. when the moderator height is equal to the distance between the upper part and the lower part of the split target, the total neutron flux of the split target will be higher by 20. 1 % than that of the integral one. secondly, the high - energy neutron escaping from the target will enter into the moderator and be slowed down

    得到經水慢化器慢化后,中子通量在慢化器厚度與高度方向上的分佈;比較了水與液態氫的慢化能力以及中子在水、液態氫、液態甲烷這三種慢化器慢化后的能譜;在csns的靶站設計中,引出慢中子的導管不完全位於慢化器中子引出面的法線方向上,因此進一步計算了中子通量角分佈。
  4. After 40 hour irradiation time, about 7 ci of radioactive isotope 64cu was produced via 63cu ( n, y ) 64cu reaction. after simple disposal, the irradiated copper sample was installed in the high - intesity ion sputter source on the hi - 13 tandem accelerator. then 64cu ions extracted from the high - intesity ion sputter source and injected into the tandem accelerator, 64cu ions can be accelerated to an energy of 80 mev and formed the off - line rnb since natural

    S )的熱中於通量下,經過34個半衰期輻照,通過『 u … , y )生成放射性l司位素『 cll ,然後將放射性銅靶錐注入串列加速器強流濺射離于源中,引出mcll負離于,經刁串列加速器加速而得到能量為80mcv的離線放射性核束「 cll叭。
  5. Nuclear reaction is the important mechanism for causing single event upset as well, especially for high - energy protons. all the formula needed for simulating proton - induced radiation effects are deduced. to bypass the obstacle of lacking nuclear reaction parameters of high - energy protons interacting with silicon, the author successfully obtained the necessary nuclear reaction cross sections by combining an intranuclear cascade nuclear reaction model with monte - carlo simulation, which are applied to the calculation of seu

    整理、推導了數值模擬所需要的計算公式及連續慢化近似下的輸運方程,自行編制了輻射屏蔽計算程序、單粒子效應計算程序、熱?力學效應計算程序,並對所有計算程序進行了對應的驗算,計算結果與公開發表的理論或實驗結果相符合。
  6. The calculated results show that, for low energy protons ( energy less than several decade mev ), the contribution of proton nuclear reaction to energy deposition can be neglected ; while for high energy protons ( energy greater than several hundred mev ), the great difference appears for the above two cases. this gives us an indication that the contribution of proton nuclear reaction to the energy deposition must be concerned for high - energy protons. the propagation process in material of thermal shock wave induced by high - energy intense - current pulsed proton beam irradiation is calculated for several different proton energies

    對于入射能注量為418 ( j cm ~ 2 )脈沖寬度為0 . 1 s的矩形脈沖強流質子束,計算結果表明,由於質子束能量不同,引起的初始熱激波( 0 . 1 s時刻的熱激波)有單峰結構,也有雙峰結構,不同能量的強流質子束引起的熱激波在傳播的過程中都會出現明顯的彈性前驅波。
  7. The target studied in this paper is one of the most important components in the ads. coupling the two innovative fields in the nuclear scientific and technological circles that are accelerator and sub - critical reactor. the physical function of this part is be as the neutron source, accepting the medium or high energy proton, breeding spallation reaction, arising the self - sustaining nuclear fission and generating the power

    本文所研究的靶件作為該系統最重要的關鍵部件之一,耦合核科技界的兩大創新領域-高功率質子加速器和次臨界堆,該靶件的物理作用主要是接受中、高能質子,發生散裂反應,產生中子源,引發持續鏈式反應,產生能量。
  8. Imev and the data in which the energy respectively is 166mev 139mev, 104mev, 90mev. on the basis of two wave functions and two optical potentials above mentioned, we have investigated a serie s of knockout reactions : through the comparing of two wave functions and two optical potentials, we find that two a cluster relative vave functions which contribute to the energy sharing results of the reaction sections are very well, especially for the ; that the received spectroscopic factors used vfm ( r ) are better than that used ; that the former not only suits to the elastic scatterings but also to the knockout reactions ; that the a cluster of knockout reactions are its local behaviors of surface. and we further testify that the distorted influences are not neglected if the incidence energies are not very high, but can be used the plane wave impulse approximate method and neglect the effects of the distorted influences if the incident energies are high enough

    在利用上述的兩種束縛態波函數和兩種光學勢的基礎上,我們研究了一系列的敲出反應:通過對比兩種束縛態波函數和光學勢,我們得到的結論是:兩種束縛態波函數和光學勢對反應截面的能量分配譜的貢獻都比較好,但尤以波函數_ ( li ) ( r )為佳;光學勢v _ ( clu ) + ( r )得到的光譜因子比用woods - saxon勢v _ ( ws ) ( r )的結果要好,它不僅能適用於彈性散射,且對敲出反應也能得出比較好的結果;集團的敲出反應是集團表面局域性的表現:在中低能的入射條件下,扭曲效應不能忽略,但入射能量較高時,扭曲效應影響較小,可以用平面波沖量近似的方法。
  9. This paper deals with the monte carlo simulation of high - energy protons transport in silicon, in which the intra - nuclear cascade model is used to deal with proton nuclear reaction process. and the results of radiation effects of proton in silicon and p - seu ( proton induced single event upset ) cross section of some electronic devices are presented

    本文用蒙特卡羅方法對高能質子(最高能量在500mev以上)在硅材料中的輸運過程進行了模擬,作了用核內級聯模型計算質子核反應的嘗試,計算了質子對硅材料的輻射效應及其對硅器件的單粒子效應。
  10. Thermodynamic methods were used to optimize gasifier, shift reaction and co2 removal, and methanol synthesis processes. polygeneration is a promising system to make the best use of thermal energy with different qualities to achieve high environmental and economic benefits

    本文以熱力學方法研究了多聯產系統的熱效率和火用損失,對氣化爐、水煤氣變換和脫碳以及甲醇合成等單元作了優化分析,指出了多聯產系統在能量利用方面的合理性,對其環境效益和經濟效益的綜合評估方法進行了初步探索。
  11. The result of experiment showed that the reaction between ti and c is a thermodynamic course, when 2 wt % mg is added to melt, it can restrain the formation of fragility phase al3ti, and gained al matrix composite which contained tic reinforced particles only. because mg reacts with the forms a micro - high temperature field around the oxide around the graphite particles and the oxygen gas which is brought by the immersion bell, and the reaction gives out a lot of heat energy, thus forms many high micro - fields in melt, which prompt the reaction between the al and ti

    加入適量的mg ( 2wt )可以抑制tic al復合材料中的脆性相al _ 3ti的產生,生成僅含tic的鋁基復合材料;由於活化劑鎂在體系中與石墨顆粒周圍的氧化物、以及外來的氧反應放熱,在熔體中形成微高溫區,促進al - ti反應,同時, al - ti反應也是放熱反應,因此體系中的內能急劇增大,促使al _ 3ti分解以及ti朝c顆粒擴散,縮短反應的孕育時間。
  12. The incident high - energy protons interact with the silicon material in the way that is approximate to the three unrelated mechanisms : nuclear scattering, electronic process and nuclear reaction

    高能質子與硅材料的相互作用近似為核散射、電子阻止和核反應三個相互獨立的過程。
  13. The microscopic mechanisms of interaction of high - energy proton with material are studied in detail, including nuclear scattering, nuclear reaction and electronic stopping of protons

    從微觀機制出發,系統地對質子輻射與材料的相互作用基本物理過程進行了描述,入射質子與靶材料的作用主要為核散射和電子作用,在高能質子入射的情況下還有核反應的發生。
  14. The energy loss of protons or silicon nuclei due to nuclear scattering is calculated using binary collision approximation and the " magic " formula is used to calculate the scattering angle. the electronic energy loss is calculated by bethe - bloch formulation at high energy, by linhard - scharff formulation at low energy and the interpolation formulation is used for the medium energy region. the nuclear reaction is calculated using intra - nuclear cascade model

    核散射採用經典兩體碰撞近似,並用「夢幻」公式求解散射角;電子阻止在高能時採用bethe - bloch公式,低能時採用lindhard - scharff公式,中能時採用biersack的插值公式;核反應過程採用核內級聯模型。
  15. Solid state reaction at mild temperature has drawn more and more attention due to its high efficiency, energy saving and environmentally friendly features

    它們的熱致變色是由於失水和水合導致的,它們都具有可逆的熱色性。
  16. Cosb3 micrometer powder has been synthesized by solid - state reaction. cosb3 nano - powders were prepared by high - energy ball - milling respectively. the influence of mass ratio of big balls and small balls, milling speed and time on particles size of cosb3 powder, were investigated

    採用固相反應法合成了平均晶徑約為3 m單相cosb _ 3粉體,採用高能球磨法制備了納米cosb _ 3化合物粉體,研究了球磨參數(球料比、級配、轉速和時間)對粉體顆粒尺寸的影響。
  17. The experimental results indicate that the initial reaction rates of nano - nah are several orders of magnitude higher than those of the commercial one. the large specific surface area and the high surface energy of nano - nah should be the main factors for their extremely high chemical reactivity. with nano nah, many reactions can be carried out efficiently

    實驗進一步說明,納米nah能使某些原來熱力學上允許進行但動力學上難以進行或"不能進行"的有關反應得以進行;使一些過去認為低收率無價值的反應,大幅度提高反應速率和產率,使其成為有實際意義的反應。
  18. High energy absorption and low reaction force

    製品具有高吸能,低反力的特點。
  19. The high resolution transmission electron microscopy ( hrtem ) and energy - dispersive x - ray ( edx ) suggested that the two steps growth pattern overcame the shortcomings of templet - confined reaction mechanism, catalytic reaction growth based on vapor - liquid - solid ( vls ) mechanism and oxide - assisted growth mechanism, which would introduce contaminates unintentionally

    高分辨電鏡( hrtem )和能譜分析( edx )說明合成的gan納米材料純度非常高。兩步生長模式克服了模板限制工藝、基於vls機制的催化生長工藝和氧化輔助生長工藝無法避免引入雜質的缺點,有助於一維高純gan納米結構光電特性的研究。
  20. Based on the experimental results and the correlative chemistry theory, the phases formed in the process and its influenceable factors were studied. the significant results were enumerated as follows : as for the mn - h2o system, 5g pure mn scraps ( 99. 5 %, - 200mesh ) and distilled water served as the starting materials were milled by high energy ball miller together with 200g steel balls as the milling medium. the experiments were conducted with the rotation speed of 380rpm. - mn3o4 nanopowders were fabricated after milling some time and would experienced phase transformations if continue to be milled. the reaction would be accelerated if a little of hcl or mnso4 was added while be decelerated if. a little of naoh was added. the - mn3o4 phase with particl size between 20 ~ 100 nanometer was obtained after milling 1. 5h when trace hcl was added. the oxygen added to the ball tin has little effect on the reaction

    主要實驗結果如下: ( 1 )對于mn - h2o系,通過高能行星式球磨機,在50ml蒸餾水中球磨5gmn粉末,球料比為40 : 1 ,轉速為380rpm ,球磨一定時間后獲得了納米級單相- mn3o4 。隨著球磨時間的延長,生成的- mn3o4會繼續被氧化或發生晶型轉變。加入微量hcl或mnso4會明顯加快mn的反應,加入hcl后,球磨1 . 5h后即獲得粒徑為20 100nm的單相- mn3o4粉末;加入微量的naoh會抑制mn反應生成- mn3o4 。
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