慢化的

Compared with the model which considering alpha particle depositing its energy instantaneously into the plasma, the temporal evolution of plasma temperature and particle number density are calculated.

第二章导出了带电粒子在等离子体中慢化的能量变化率和阻止本领，以及两种拥有独立温度的带电粒子之间的能量交换率。

Methods A moderated BF3 proportional neutron counter was used for measurement of neutron dose of cosmic radiation in cabin of B-747 flying from Beijing to New York and Beijing-Stockholm-Beijing.

采用慢化BF3中子监测器，在北京―纽约和北京―斯德哥尔摩航线飞行的B-747飞机上进行了测量，起飞、着陆阶段每2 min测一次，巡航阶段第30 min测试一次，高度和纬度利用飞机仪表读出，地磁纬度采用人造地球卫星环境手册的公式计算。

Based on the classical NS model, the randomization parameter of a vehicle was calculated according to fuzzy control rules.

与NaSch模型不同，新模型中的随机慢化概率是根据模糊控制规则计算得来的。

By computing the spatial correlation function, the evolution plots of velocity, the relaxation time and the order parameter, the effect of top-priority of randomization on traffic flow is studied.

通过位置相关函数、速度时空演化图、驰豫时间和序参量的计算，研究优先随机慢化对交通流的影响。

The scaling relations and the scaling exponents of the relaxation time and order parameter are obtained, which are different from original NaSch model. The top-priority of randomization will lead to synchronized traffic flow and there is criticality in traffic phase transition.

计算结果得到了驰豫时间和序参量的标度关系和标度指数，结果发现与原始交通流NaSch模型不同，优先随机慢化将引起交通同步流，交通相变具有临界性，其标度指数属于确定NaSch模型类。

""How to correct slow backup performance, slow virus or pre-job scans, and agent initialization problems on fragmented Windows 2000 and Windows 2003 Server Hard Disk Partitions.

（如何更正包含碎片的 Windows 2000 与 Windows 2003 Server 硬盘分区上备份性能较低、病毒或作业前扫描较慢以及代理初始化的问题。

Based on the source terms and fusion burn-up equations,a three-temperature plasma model is founded in which the electrons,ions,and the radiation filed are represented by separate temperatureskT_e,kT_i and kT_r,respectively,where kT_r is characterized by a Planckian distribution.

第四章建立了考虑α粒子慢化的两温模型和三温模型，首先导出了考虑慢化的α粒子对等离子体的能源项，替换已有的两温模型的等离子体能量密度方程中的能源项，将其改进为考虑α粒子慢化过程的两温模型，与瞬时沉积能量的两温模型作了对比，在不同的初始温度密度条件下考察了α粒子慢化对等离子体聚变燃烧的影响。

The one-dimension discrete ordinates theoretical model, which is applied to study the characteristics of slowing-down materials used to construct the epithermal neutron filter at XPR, is for the first time developed in our country. The results show that the one-dimension discrete ordinates code ANISN is successful for studying properties of moderator.

其次，开发、修改了国际通用屏蔽计算程序ANISN，在国内首次建立慢化材料特性分析的一维离散坐标计算模型，研究了西安脉冲堆超热中子过滤器所需慢化材料的特性，结果表明，采用一维离散坐标程序ANISN来分析慢化材料的特性是成功的。

A substance, such as water or graphite, that is used in a nuclear reactor to decrease the speed of fast neutron s and increase the likelihood of fission.

慢化剂一种物质，如水或石墨在核反应堆中用来减缓中子运动速度和提高裂变可能性的物质

The neutron flux distributions are calculated from the 3D diffosion equations of two energy groups and six delayed neutron precursors by separaing the "time" and "space" variables.

堆芯中子通量分布采用分离变量法对两群六缓发中子组三维扩散方程来实时求解，并考虑慢化剂密度、硼浓度、氙和钐中毒、控制棒位置、燃料和慢化剂温度、燃料燃耗等因素对中子通量分布的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。