裂变碎片

这些方法包括裂变碎片方位角测量、类弹碎片测量、动量流球形张量、横向动量的方向性、方位角关联和Fourier谐波分析等。

The methods include fission fragments measurement , projectile-like fragments measurement , kinetic flow-tensor , transverse momentum directivity , azimuthal correlation , Fourier series and etc.

用三维非线性Langevin方程计算裂变碎片质量分布

Using 3-Dimension Non-Linear Langevin Equation To Calcuate the Mass Distribution of Fission Fragments

用U核裂变碎片径迹法研究PET薄膜的高分子聚集态结构

Effect of the state of macromolecular aggregation on the uranium nuclear fission tracks in PET films

~（235）U热（慢）中子裂变碎片在水中的射程

Ranges of the fragments from thermal ( slow ) neutron fission of ~ ( 235 ) u in water

从四维Langevin方程的MonteCarlo模拟计算裂变碎片动能分布

Calculation of the kinetic-energy distributions of fission-fragments from Monte-Carlo simulation to the four-dimensional Langevin equation

对裂变碎片探测器和中子探测器之间空气层及测量室的墙壁上散射的影响，用飞行时间方法进行了测量，也用MonteCarlo方法进行了计算，并对用两种方法得到的结果进行了比较。

The scattering by air and the walls of the measuring room was determined by both experiment and Monte Carlo simulation .

通过探测这种裂变碎片，COSY已经用反冲阴影法做了一些重超核的寿命测量（间接测量）。

Through detecting the fission fragments , some measurements ( indirect ) in recoil shadow method had been performed by COSY .

对反应中的余核、裂变碎片以及类弹粒子在平行板雪崩计数器中的不同响应以及各自的几何探测效率进行了Monte-Carlo模拟。

The different response and the geometric detecting efficiency of the PPACs to the residues , fission fragments and projectile like products are calculated by Monte Carlo simulation .

使用两块大面积位置灵敏双栅雪崩计数器，测量了84.0MeV~（16）O轰击~（238）U的裂变碎片角关联及角分布。

Fission fragment angular distribution and angular correlation in the reaction induced by 84.0 MeV ~ ( 16 ) O bombarded ~ ( 238 ) U have been measured by using two position-sensitive PPAC with large area .

238U薄片的裂变碎片由聚脂膜俘获，其γ射线由NaI（Tl）探测器测量。

γ rays from fission fragments in the polyester foils are measured with a NaI ( Tl ) detector . Neutrons are measured in different systems .

建立了一个放中子前裂变碎片质量分布5-Gauss半经验计算公式。

A 5-Gauss semi-empirical formula on the pre-neutron-emission fragment mass distribution is given .

该文介绍一套252Cf裂变碎片中核素测量的单片机控制系统。

This paper introduces a microcontroller-based system for nuclide measurement used in the study of (() ~ ( 252 ) Cf ) fission fragment .

报道了聚乙烯对苯二酸酯（简称PETP）固体核径迹探测器时裂变碎片记录性能的实验研究.在改变温度、蚀刻时间和蚀刻液浓度等条件下测量了裂变碎片径迹平均直径的变化。

The characteristics of polyethyleneterephthalate ( PETP ) solid state nuclear track detector on registering fission fragment tracks are studied . The variations of average diameter of fission fragment tracks with etching temperature , etching time and etchant concentration were measured .

用拉伸涤纶薄膜记录裂变碎片

Recording of fission fragments by stretched polyester film

通过测量裂变碎片的γ射线研究中子测量技术

Study on technique for measuring neutrons by measuring the γ rays from fission fragments

核裂变碎片角分布与鞍点核形状

Angular distributions of fission fragments and the shapes of the saddle point of compound nuclei

在立体角小于2π条件下云母探测裂变碎片的效率

Detection efficiency of mica for fission fragments under the geometry with the solid angle less than

裂变碎片损伤径迹探测器

Fission fragment damage track detector

裂变碎片径迹甄别器

Fission fragment track discriminator

中子裂变碎片角关联

Neutron fragment angular correlation

建立在鞍点模型基础上的裂变碎片角分布理论能够很好地解释碎片角分布实验数据。

All the measured angular distributions can be fitted satisfactorily by the theoretical formula based on saddle point model .

最后到这个裂变碎片，它开始于，氙，结束于钕，那是最后的裂变碎片。

And down on this fission fragment it starts with xenon and ends with neodymium which is the last fission fragment .

根据这些数据，用三种电荷分布假设计算了裂变碎片的质量分布。

From these data , the mass distributions of fission fragments are calculated based on three different hypotheses for the charge distribution .

计算表明，等电荷位移假设得到的结果一般和裂变碎片高斯质量分布曲线拟合得最好。

The results seem to indicate that the hypothesis of equal charge displacement gives the best fit to the Gaussian distribution for the masses of the fission fragments .

描述了通过测量裂变碎片的γ射线来研究测量中子的方法。

In this paper the method of measuring neutrons is studied by measuring the γ rays from fission fragments of a U 238 foil , which are captured or collected in polyester foils .

对裂变碎片质量分布和能量分布随热裂变核初始温度演化的系统分析，发现中心碰撞和周边碰撞所形成的热核存在着不同的裂变行为。

The existence of different fission behavior of hot nuclei formed in central and peripheral collisions was found from the systematic analysis of the mass and energy distributions of fission fragments as a function of the initial temperature of hot fissioning nuclei .

~（252）Cf自发裂变源碎片中短寿命核测量的程序控制系统

A Microcontroller System for Short-Life Nuclide Measurement of ~ ( 252 ) Cf Fission Fragment

重离子裂变反应碎片角分布

Measurement of fission fragment angular distribution in heavy-ions induced reaction

~（12）C离子引起裂变反应的碎片角分布

Angular distributions of fission fragments in interactions of ~ ( 12 ) c ions with various targets

计算得到的俘获截面、准裂变截面和碎片分布及其发生的时间分布等结果与实验数据符合较好。

According to the comparison with experimental data , the calculated capture cross sections and the fragment distributions of the quasi-fission were reasonable .