1992年 第9卷 第4期
本文评述目前流行的几种描述中能区核-核碰撞动力学的方法,讨论了它们的特征和适用范围. The several current approaches for describing nucleus-nucleus collision dynamic at inter-mediate energy range have been reviewed.The features and limits of these approaches arc discussed.
本文简要综述了“核结构计算T(?)bingen 系列方法”的内容、计算结果举例、优缺点及展望. A brief Summary for nuclear structure calculation Tübingen method,including its con-tents,examples of calcalated results,as well as its advantages,shortcomings and perspective,is pre-sented.
本文叙述了利用加速器开展离化态原子参数实验测量的研究和目前正在研究的课题,包括多电荷态原子光谱学、低温电子束离子源(LTEBIS)的发展与应用、中低速多电荷原子的电子俘获过程研究、原子激发能级寿命和跃迁几率的测量. The experimental measurement about the ionization state for atomic parameters at accel-erator and the subject being done are introdued,which includes the highly charged atomic spec-troscopy,the development and application of the low temperature electron beam—ion source(LTEBIS),the study for electron—capture process of highly charged atom at intermediate and lowspeed,and the measurment of lifetime and transition probabilities of excited atomic levels.
本文介绍了应用INAA 找埋藏在深处的隐伏金矿,研究许多矿产的地质问题及地质理论问题.使用XRF 技术除对铜、铅、锌矿进行现场快速找矿评价外,还可研究控矿构造等新用途. This paper presents the application of INAA to prospect deep—hidden gold deposits and astudy of many problems concerned with mineral geology and geological science.By the method of XRF the rapid evaluation on the spot of Cu,Pb and Zn ores can be achieved besides,the new applica-tion such as the desposit structure can be also studied.
本文介绍了快中子治癌概况、快中子治癌对中子束性能的要求及有关加速器的发展现状,并对回旋加速器、直线加速器及中子发生器的有关性能进行了评述. A global situation of fast neutron cancer therapy,characteristics of neutron beam forfast neutron cancer therapy and development of relative accelerator have been introduced.Characteris-tics of cyclotron,linear accelerator and neutron generator have been reviewed.
本文综述了带电粒子与中高能核数据在基础学科研究和工程技术方面的应用,讨论了其发展前景. The application and prospect of charged particle and medium—high energy nuclear datain basle science research,engineering and technology are summarized in this paper.
本文综述了加速器质谱学(AMS)在核科学应用中的新进展,涉及到人工长寿命核素对自然环境造成的影响、核废物贮存场所评价研究、生物医学中的放射性核示踪和天体物理与核物理: The new progress in the application of accelerator mass spectrometry in nuclear sciencehas been reviewed in this paper,including antropogenic long—lived radioisotopes in the natural envi-ronment,the repository of nuclear waste,radioisotope—tracers in biomedical study,astrophysics andnuclear physics.
宝石的颜色是其最重要的物理性质之一,也是宝石学界最关切的,提高宝石档次的关键问题之一,本文介绍了宝石致色的一些因素和作为宝石颜色改善的新方法—辐照改色的一些动态. The colour of gem is one of the most important physical properties of gem.Some factorson the colouring of gem and situations of colour improvement by irradiation are introduced in this pa-per.
小麦核组8号,是通过体细胞组织培养与辐射诱变相结合的离体诱变技术育成的新品种,这在世界上尚属首例.该品种是核技术与生物技术的结合产物,具有高产、早熟、抗病、耐湿、优质等优点.采用离体诱变技术,能成倍提高变异频率、加快变异稳定、缩短育种年限,缩小选择世代的群体,从而提高育种效率.此技术,在作物育种上具有广泛的应用价值与广阔的发展前景. A new wheat variety named Hezu 8 was developed by in vitro mutation techniques com-bining the somatic tissue culture with the radiation—induced mutation.This is the first one in theworld for breeding wheat variety in such a way,that the nuclear technology was successfully appliedto b(?)otechnology.Hezu 8 is featured by high yield potential,early maturity,disease resistance,toler-ance to moisture as well as good grain quality.In vitro mutation technique has proved to be helpful inincrement ...
自然界中普遍存在着铀、钍、钾的天然放射性同位素,其特征构成了各种应用的基础.本文主要介绍天然放射性在工农业中的一些应用. There are natural radioactivity isotopes of uranium,thorium and potassium everywherein nature.The characteristics of these isotopes form the basis of various applications.Some applicationsof natural radioactivity in industry and agriculture are mainly introduced in the paper.
本文介绍了GSI的D.B hne博士等人综述的国际上治疗癌病患者所使用的轻离子加速器的运行状况,及其正在研究的医用同步加速器的方案设计概况. The light ion accelerator used worldwide for cancer therapy,which was researched gen- erally at GSI by Dr.D.B hne et al.and a medical synchrotron designed by them for that kind of usageare introduced in this paper.
本文简要分析了当前世界和我国核能发展的趋向和特点,说明核能发展虽因三里岛和切尔诺贝利核电站的重大事故而受到严重挫折,但仍表现出持续增长的趋势,并沿着更安全、更经济和综合利用的路途,在向新一代中、小型堆和未来快中子增殖堆、聚变堆的方向发展,核能将逐渐成为21世纪的世界主要能源. This paper briefly analyses the present developing trend and features of nuclear energyin the world and our country.Although the nuclear energy development was subjected to the serious set back because of the accidents of Three Mile Island and Chernobyl s nuclear power plants,it hasbeen growing toward the way of more safe、more economic、multiple purpose、medium and small re-actor and future fast neutron advanced reactor.The nuclear energy will be the main energy source of21th century all over the world.