1996年 第13卷 第4期
用１４ＭｅＶ中子轰击钍靶，通过￣（２３２）Ｔｈ（ｎ，α）￣（２２９）Ｒａ反应产生￣（２２９）Ｒａ，由放射化学分离技术从被照靶物质中分离出￣（２２９）Ｒａ活性；利用γ（Ｘ）谱学方法，首次观测到了￣（２２９）Ｒａ的能量为１４．５、１５．６、１８．８、２１．８、２２．５、４４．０、４７．５、５５．０、６３．０、６９．６、９３．６、９４．１、９８．５、１０２．２、１０４．５、１０６．１、１６１．１和１７１．５ｋｅＶ的１８条新衰变γ射线，并建立了￣（２２９）Ｒａ的部分衰变纲图． The￣(229)Ra has been produced in the￣(232)Th (n,α)￣(229)Ra reaction by 14 Mev neutron irradiation of natural Thorium.The￣(229)Ra activities were separated from irradiated target material by radiochemical separation technique. The 18 new γ rays of !(229)Ra decay with energies of 14. 5, 15. 6, 18. 8, 21. 8, 22. 5, 44. 0, 47. 5, 55. 0, 63. 0, 69. 6, 93. 6, 94. 1,98. 5, 102. 2, 104. 5, 106. 1, 161. 1 and 171. 5 keV were found for the first take by using y (X ) ...
概述了量子色动力学和中高能核物理在核散射、核子特性及核子－核子相互作用势方面的密切联系． The close relation between quantum chromodynamics (QCD) and the nuclear.physics in medium and high energy regions is briefly reviewed in some aspects such as nuclear scatterings, nueleon propertics as well as the interactions between nucleons.
最近，人们发展和完善了带耦合的对易式计算技术，它在低能核结构的研究中是很有用的，它直接导致了广义维克定理和配对壳模型的建立以及能量权重的电磁跃迁求和规则的广泛研究． Technique of calculating commutators for coupled operators,which leads directly to the foundation of generalized-Wick theorem for coupled clusters,Nuclear Pair Shell Model,and the detailed study of Energy-weighted sum rule of electromatic transitions,was developed recently.This Technique is reviewed briefly riere.
介绍了在日本理化学研究所利用高自旋同质异能态束流装置上取得的核谱学研究结果。强调了可利用重离子核反应中逆运动学产生高自旋同质界能态束流，并用其进行二次核反应，描述了首次利用高自旋同质异能态束流完成的物理实验． The study of nuclear spectroscopy by using the High spin isomer Beam(HSIB)facility in RIKEN was introduced.The production of HSIB based on the inverse kinematics in heavy ion nuclear reaction,and its application for secondary nuclear reaction were stressed The first experimental result by using HSIB was also briefly discribed.
评述了近十年来偶偶重变形核磁偶极跃迁的研究概况，并讨论了可进一步开展的工作．A review on the status in the study of nuclear magnetic dipole excitation in heavy even-even deformed nuclei is given,and fUrther work in this field is also. discussed.
叙述了中子与质子的光学模型势、存在的问题及研究的新课题．同时还涉及到核数据的应用等方面． The opticle potential for neutrons and charged particles,there existed problems,new research topic are described.The application on the nuclear data is also involved.
综述了核子微探针技术在显微分析和显微成像两方面的进展，一些应用新的显微成像技术的实例，说明了它对科学研究所起的重要作用． This paper reviews the recent progress of the nuclear microprobe technology in both micro-analysis and micro-imaging.Some examples of recent applications of its microimaging technology are enclosed to show the potentialities of the technology for a variety of scientific studies.
扼要地介绍了同步辐射的历史和现状，以及在我国建设新一代同步辐射光源的必要性．设计中的上海同步辐射装置（ＳＳＲＦ）在其建成时将具有世界一流的光源性能，和一批覆盖面广、兼顾基础研究、应用研究和产业发展及具有世界先进水平的光束线和实验站． The yesterday and today of synchrotron radiation,and the necessity for building a new generation synchrotron radiation light source in China are briefly introduced. The SSRF (Shanghai Synchrotron Rodiation Facility) being designed would be one of the first classic synchrotron radiation light sources in the world when it is commissioned to use at beginning of next century.
肺癌是危害人类生命的主要癌种之一，诱发肺癌的第一位因素是吸烟，第二位因素是吸入氡及其子体后的内照射． Lung cancer is one of the main killers to mankind in all kinds of cancers.The first factor inducing lung cancer is cigarette smoking. The second factor is the internal exposures from the intake of Radon and its airborne decay products.
介绍了一种新型放射分析手段—多重示踪剂，报道了日本ＲＩＫＥＮ有关多重示踪技术研究的最新进展，展望了该技术的一些应用前景，并提出了在ＨＩＲＦＬ上开展多重示踪剂研究的可行性． The multitracer as a new radioanalytical techniques is introduced. The most recent progress of multitracer at RIKEN is reported in this paper. Finally, the possibility of studying this method at HIRFL is put forward.
简述了Ｍｏｙｅｒ模式的提出、发展及完善过程，给出了Ｍｏｙｅｒ模式三参数的实验确定方法，叙述了利用Ｍｏｙｅｒ模式计算类点源及无限均匀线源的屏蔽方法． suggestion,development and perfection of Moyer model are described. The methods of experimental determination of Ho (Ep),β and λ are given. Application of Moyer model for calculation of transverse shielding of point-line sources and infinite uniform line sources are represented.
阐述了一种称之为分段连续减慢近似的方法，建立了新的计算重离子在等效生物组织－液态水中径迹结构及能量沉积分布的ＭｏｎｔｅＣａｒｌｏ计算模型．目的在于建立细胞损伤强度和损伤范围与重离子参量之间的关系，从理论上探索重离子生物效应的机理． A method called segmented continuous slow down approximation is explained,and a model of heaVy ion track structure Calculation in equivalent biological tissue-liquid water by means of Monte Carlo is built up. It aims at establishing relations between lesion intensity and range of cells and heaVy ion parameters and invetigating biological effect mechanism by heavy ions in theory.
概述了中子和γ辐射防护仪表刻度地标准、要求、方法和误差．还扼要介绍了近物所中子、γ辐射防护仪表的刻度工作.The Calibration purposes, method, criterion , error analyses and requirement of radiation detector are briefly described. The calibration procedure for neutron and γ radiation detector at institute of Modern Physics are also introduced.
核能发电作为一种新型的能源，它将成为世界和我国电力工业的重要支柱．综合世界核电发展的动向和我国核电发展的现状及展望，提出了当前如何充分利用国内外核电市场有利形势，进一步发挥核电设计，制造综合优势，加强国际台作，以及提高设计自主化和设备国产化的能力等． As a kind of new type of energy source, nuclear power will certainly become an important mainstay of the electrical industry in China and the world. The tendency of developing nuclear power in the world and the current situation and prospect of developing nuclear power in China are comprehensively analysed. And basing on these analyses, some proposals about the strategic decision to speed up developing nuclear power in China are put forward, that is, how to make full use of ...
由一台１６００ＭｅＶ的强流质子加速器来辅助驱动一座熔盐核反应堆，从而组建一座新型的核电站．这座电站中裂变核燃料“燃烧”完全，没有长寿命的重锕系与裂片的核废料输出；并可以直接用天然存在的大量钍和贫铀元素作为核燃料来使用．核电站将２０％电能供给加速器运转，８０％电能并入电网．同时电站还可输出十分稀有的稳定同位素和短寿命医用同位素，作为副产品供应市场．这一干净的核能源就是加速器驱动式核反应堆．简称驱动堆；它没有核废料，比自持式核反应堆安全． A new type of nuclear power station can be built by a moltensalt reactor auxiliary driven by a strong neutron source produced by a intensive proton beam with the energy of 1600 MeV from a powerful accelerator. In the power station the nuclear fuels are completely burnt without some long-lived radioactive wastes both of heaVy actinide and fission products. Furthermore the thorium and sub-critical uranium which are massive existence in nature can be used as an available nuclear fuel in...
简要介绍高自旋核结构物理数据的特点、发展现状、展望及中国高自旋核数据的发展．The characteristic, developmemt status and prospect of high-spin nuclear structure data , and activities of Chinese high -spin nuclear data are briefly presented in the paper.