source neutron 中文意思是什麼

source neutron 解釋
源中子
  • source : n 1 源頭，水源，源泉。2 根源，本源；來源。3 原因；出處；原始資料。4 提供消息的人。5 血統。vt 〈美...
  • neutron : n. 【物理學】中子。n. -ics 中子（物理）學。
  1. Americium beryllium neutron source

    鈹中子源
  2. Generally, the share of the autogeny target neutron in d - t neutron source is less than one percent

    一般，自生靶中子在d - t中子源中所佔的份額小於1 。
  3. According to the requirements of the cng on neutron flux, critical wavelength and distance between inpile guides and the cns, the relation between the source size and the critical angle of the coating material of the inpile guides as well as neutron flux at exit of the cngs have been studied

    根據導管設計指標的需要，研究了冷源尺寸與堆內導管內壁鍍膜材料的全反射臨界角和導管系統出口處中子注量率的關系。
  4. ~ ( 252 ) c _ f - source - driven neutron noise analysis method is a way of measuring and analyzing the reactivity of reactor or subcritical reactor, which detects subcritical neutron multiplication factor, prompt neutron decay constant, and so on

    ~ （ 252 ） c _ f源驅動噪聲分析法是一種測量、分析反應堆和次臨界系統的快速反應性的方法，可作為臨界安全的瞬時檢測方法。
  5. In analyzing the neutron active detection, the neutron multiplication in the nuclear warheads induced by outer neutron source with different neutron energys is studied with numeral simulation, and the feasibility of through counting neutrons to determine the presence of high enrichment uranium ( heu ) in nuclear warhead has been proved. the method of detecting the warhead which contains heu pit by counting the released neut rons whose energy is higher than that of source neutron is studied. the feasibility of this method has been studied

    對幾種主動探測核彈頭方法進行的研究中，首先對不同能量各向同性外源中子照射核彈頭的中子增殖行為進行了數值模擬，檢驗了用外源中子照射核彈頭后，通過測量瞬發中子在核彈頭中的增殖量，來證明核彈頭中高濃鈾存在的可行性；研究了用能量低於1mev的外中子源照射核彈頭，用測量核彈頭中裂變產生的高於源中子能量中子數的方法探測核彈頭，通過數值模擬分析了可行性。
  6. Our results show that with the up to date experimental data, 13c can not sufficiently burn, the neutron number density decrease, the timescale of neutron source become long and these come into conflict with model of thermal pulse agb star

    研究結果表明，在新實驗結果下， 』 3c不能充分燃燒，中子數密度降低，中子源持續的時標變長，這與熱脈沖agb星的現有模型出現矛盾。
  7. Specifiation of nuclear fuel rods for miniature neutron source reactor

    微型中子源反應堆核燃料棒技術條件
  8. The simulation can be divided into three processes sequentially : calculating the induced fission neutron rate of uranium and space distribution by mam - li neutron source, computing the total uranium fission neutron count rate and time distributions of 42 3he tubes, and calculating the neutron coincidence counting rate

    第一步，以ain ? li源為中子源，計算鈾的誘發裂變中子產生二率及空間分佈；第二步，以鈾的誘發裂變中子為中子源，計算化根』 ne管的總中子計數率及時間分佈；第三步，計算中子符合計數率。
  9. Three typical ion source, radio - frequency ion source, duoplasmatron ion source and penning ion source, are usually used in neutron generator

    在通過d - t反應產生中子的低能倍壓加速器中，一般採用三種類型的離子源：高頻離子源（ rf ） 、潘寧離子源（ pig ）和雙等離子體離子源（ dp ） 。
  10. According to the demands of neutron scattering instruments to be built at china advanced research reactor ( carr ), the designs of several new instruments, i. e. two cold neutron guides ( cng ), one neutron stress diffractometer and one high resolution neutron powder diffactometer ( hrpd ), have been simulated and optimized using monte - carlo simulation softwares, mcstas and vitess, first. requirement on the size of the cold neutron source ( cns ) by cngs has been also studied. the results of this thesis have provided essential data as a basis of the neutron instruments designs

    本論文結合當前中國先進研究堆（ chinaadvancedresearchreactor ， carr ）中子散射工程譜儀建設的迫切需要，選擇國際上廣泛使用的通用中子散射譜儀模擬軟體mcstas和vitess作為模擬研究工具，首次對若干臺新建譜儀的設計方案進行了全面的模擬和優化研究，包括兩條冷中子導管、中子應力衍射儀和高分辨中子粉末衍射儀，並配合冷源設計研究了導管對冷源尺寸的要求。
  11. According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design

    本論文結合當前中國散裂中子源（ chinaspallationneutronsource ， csns ）工程概念設計的迫切需要，選擇國際上廣泛使用的基於蒙特?卡羅方法，用於模擬粒子輸運過程的程序mcnp4a和nmtc jam作為研究工具，首次對csns靶站進行了全面的模擬與優化，內容包括靶、反射體與慢化器系統的中子通量分佈以及熱量沉積，同時計算了靶的溫度場與應力場分佈。
  12. The error source in measuring neutron fluence rate is gived. the efficiency of u - fission chamber is studied. the effect factors to detector are analyzed and experimentally studied

    開展了鈾裂變室探測器效率的研究，對影響探測器對期望中子或非期望中子探測的各種因素進行了分析和實驗研究。
  13. The results of numeral simulation show that the higher - energy neutrons counting rate is quite low, it requires more counting time or much stronger low energy neutron source to detect the reliable signals

    計算結果表明，核彈頭裂變產生的較高能的中子數很少，需要較長的時間或較強的低能中子源才能探測到可靠的信號。
  14. 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。
  15. The bright source at the center of the image is presumed to be a neutron star created during the supernova

    圖片中心的明亮輻射源據信是超新星爆發過程中產生的中子星。
  16. The fds ( fusion - driven sub - critical system ) can realize the transmutation of hlw ( high level waste ), fuel production, energy breeding and tritium production by utilizing the external neutron source to make the reactor operated under the sub - critical state

    聚變中子源驅動的次臨界核能系統（ fds ）是根據聚變和裂變反應的各自特點，利用外源中子進入包層的次臨界系統，實現增殖燃料、增益能量、產氚和嬗變核廢料等功能。
  17. Verification scheme of measuring instruments for neutron source strength

    中子源強度計量器具檢定系統
  18. We use monte - carlo method to simulate the processes of neutron interrogating uranium by awcc with ^ am - li neutron source for calculating the relationship of neutron coincidence count rate vs. the thickness of uranium foils, the result shows that such standards can satisfy the demands of measurement

    我們用蒙特卡羅（ monte rri rlo ）方法，就awcc具體條件模擬計算了鈾標準樣品厚度與中子符合計數率的關系。為了最終計算出中子的符合計數率，模擬計；算分h個步驟進行。
  19. 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。
  20. Radiation effects have been investigated up to - 30 dpa by the heavy ion irradiation simulation and positron annihilation lifetime techniques in the home - made modified 316l stainless steel and the commercially available stainless steel and tungsten, which are used as the beam window materials for the spallation neutron source in accelerator driven radioactive clean nuclear power system ( ads ). their radiation resistance properties are compared

    本工作採用重離子輻照模擬和正電子湮沒壽命測量技術研究了加速器驅動潔凈能源系統（ ads ）散裂中子源束窗材料鎢、普通不銹鋼和國產改進型316l奧氏體不銹鋼在0 30dpa輻照劑量范圍的輻照效應，並對它們的抗輻照性能作了比較。
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