核子靶 的英文怎麼說
中文拼音 [hézibǎ]
核子靶
英文
nucleon target-
Nuclei are about as large as a "barn".
原子核大約是一個「靶」那麼大。Based on the revers kinetic intermediate energy heavy ion collision in which much more intermediate mass fragments are emitted towards forward angles, a sensitive observable on isospin effects in heavy ion collisions is investigated by means of using isospin dependent quantum molecular dynamics ( iqmd )
摘要在重離子碰撞過程中,基於重質量的彈核轟擊輕質量靶核有大量中等質量碎片向前發射的逆運動學效應,利用同位旋相關的量子分子動力學觀察和研究了重離子碰撞過程中同位旋效應的靈敏性。In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys
本文首先對子母式穿甲彈總體參量作了全面的計算分析,其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度,論證了子母式穿甲彈對付爆炸式反應裝甲的可行性,然後對子母式穿甲彈彈頭部進行了總體設計,其中主要對子彈的發射過程進行了詳細的分析,得出了母彈彈頭部發射孔內閉鎖環厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系,設計出了合理的母彈彈頭部結構和子彈的結構,並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。If the incident proton collides with a proton bound in a nucleus, the threshold energy is lower because the target proton is bound.
如果入射質子是與束縛在原子核內的質子相碰撞,那麼閾能會低一些,因為作為靶的質子是束縛著的。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。In order to make the theoretical calculation feasible, we first obtain an analytical formalism of partial integrals with respect to the coordinates of the core and target in the phase - shift functions and their cross terms of scattering matrix elements, if the density distributions of the core and target are fitted to a few gaussian forms. then the rest multidimensional integrals with respect to the impact parameter and coordinates of halo nucleons are performed by a monte carlo method
為使理論計算變得可行,我們在核芯和靶核密度採用多個高斯分佈擬合的情況下,解析求解了各個散射矩陣元中的光學相移函數及交叉項含有的與暈核核芯、靶核密度分佈有關的積分;同時對與碰撞參數和暈核子坐標有關的積分(八重以上,並且積分維數隨暈核子數很快增加)採用蒙特卡洛方法計算。Such a collective mode is not excited by a projectile with the same mass to change ratio as the target.
這種模式不能從與靶核有相同荷質比的入射核子激發出。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。These experimental results show that < q12 > is independent of the dimuon mass and logitudinal momentum, and imply the scattering of the incident quark within the target nucleus. by means of the glauber model, the difference of the mean transverse momentum squared < qt2 > is studied for the dependence of the incident proton energy and nucleus. the theoretical results are in good agreement with the fnal e772 experimental data
本文利用多重散射的glauber模型,討論了入射夸克在原子核中傳播的多重散射效應,給出了兩個不同的核drell - yan過程產生的末態輕子對橫動量平方平均值的差值對入射粒子能量核靶核的依賴性關系,計算結果與e772組的實驗數據符合甚好。Estrogen receptor ( er ), an important transcription factor belonging to the nuclear receptor superfamily, plays a key role in reproductive, cardiovascular and central nervous systems and bone tissue
摘要雌激素受體屬于核受體超家族成員,是一類重要的核轉錄因子,它在生殖系統、骨組織、心血管和中樞神經系統中發揮著重要的生理作用,是治療骨質疏鬆和乳腺癌的重要藥物作用靶標。This research has closed relationship with a wide range of cross - science areas, such as basic research on cancer therapy by heavy ion radiation method, radiation danger level evaluation in space and biological damage induced by long term, low - level dose radiation environment, etc. dna is the carrier of biological information and the main target of biological effects induced by ionizing radiations
從重離子治癌的基礎性和先導性的研究,載人航天飛行過程中的太空輻射危險性評估,到長期在低劑量輻照環境下的放射性對機體損傷等等,都與電離輻射所致生物損傷的研究有著密切的關系。 dna (脫氧核糖核酸)是生命信息的載體,也是輻射生物效應的最主要的靶分子。Several kinds of preparation methods and the applied developments of magnetic polymer microsphere in cell separation, immobilized enzyme, dna separation and medicine carrier are discussed in detail, and the prospects of magnetic polymer microsphere are also proposed
在此基礎上,對磁性高分子微球在細胞分離、固定化酶、靶向藥物、核酸分離等領域的最新應用及存在的問題進行了分析,並指出了該領域今後的研究方向。The major target of photoinhibition is photosystem ii ( psii ) on which photoinhibition make photosynthetic efficiency decreased, electronic transportation blocked and reaction center protein dl photodamaged
已有研究表明ps是主要靶點,光抑制時表現為: ps光合效率下降、 ps電子傳遞鏈活性下降及核心蛋白被氧化而破壞。In p - a drell - yan process, the incident quark will experience multiple collisions with different nucleons in the nucleus, which leads to the suppressed drell - yan cross section, in another words, the nuclear shadowing effect
在靶靜止系,對于p - a碰撞的drell - yan過程,入射夸克要與原子核中的不同核子發生多次碰撞,使得總的微分截面被壓低,這就是遮蔽效應。In this paper, the color dipole approach in the target rest frame is presented and the ratio of the drell - yan cross section per nucleon for an 800 gev proton beam incident on a variety of nuclear targets are calculated and the results are compared with fermilab e772 and e866 experimental data. it is shown that without considering the energy loss effect, the calculated results can fit rather well with experimental data
本文介紹了靶靜止系中色偶極模型,用色偶極模型計算了800gev質子與原子核碰撞的drell - yan過程的微分截面比,並與e772和e866實驗結果進行了比較。發現:不考慮能量損失,只計及p - a碰撞中的遮蔽效應,理論結果就與實驗符合的很好。It is known from studies using brefeldin a ( bfa ) that disruption of tgn can block the cytotoxicity of ricin, suggesting that the intracellular compartment may be an important part of the uptake pathway. ricin enters the cells by receptor - mediated endocytosis, followed by translocation across the membranes of intracellular organelles. in this study, a trans - golgi retention peptide signal yqrl was fused to the c - terminus of ricin a chain ( rta ) by polymerase chain reaction
本實驗為重點研究反式高爾基體在毒素細胞內轉運過程中的作用,我們設計了一個反式高爾基體的靶向信號肽基因yqrl ( tyr - gln - arg - leu )連接在rta分子的羧基端,用原核表達蛋白體系,純化並測定rta - yqrl與rta蛋白對hela (人宮頸癌細胞) , wish (人羊膜上皮細胞) , skov - 3 (人卵巢癌細胞)三種細胞的毒性作用。Research advances of molecular targets screening for new anti - tubeculosis drugs
新型抗結核藥物篩選的分子靶位研究進展The recombinated plasmid was named pu54. based on this material, 4 recombinated plasmids pu54 - a, pu54 - b, pu54 - c and pu54 - d were construted, which contained different cloning segments of ul54 gene. 11 m1gs ribozyme containing different gss designed to the target sequences of ul54 mrna were construted by pcr
從hcmvdna聚合酶ul54基因序列中搜尋了11個適合gs互補的靶位,人工核酶m1gs轉錄模板dna包含有t7啟動子、 m1rna基因、連接序列以及gs序列四個組成部分。分享友人