slowing-dowm cross-section是什么意思

用法例句

The slowing down in optical bistability;

光学双稳系统中的慢化现象

Studying two kinds of the slowing down in the bistability chemical reaction system,the one is the critical slowing down at the edges of bistable region and its bifurcation;the other is the slowing down,which is far from the critical point.

对具有双稳性的化学反应中的慢化现象进行了研究 ,指出了两类临界点附近的慢化现象 (即所谓的临界慢化 ) ,计算出了它们的临界慢化指数 ,发现这两类临界指数与混沌运动中的切分叉点及倍周期分叉点相一致 。

Two kinks of the slowing down in the optical tristability systems are studied.

研究了光学三稳态系统中的两种慢化现象。

The optimum neutron activation analysis system is designed by using Monte-Carlo simulation for 6 kinds of moderator materials,and the optimum moderator material(is polyethylene.

选取重水、石墨、聚乙烯等6种慢化材料,利用MCNP程序对不同的慢化材料进行模拟计算分析。

An on-line prompt gamma neutron activation analysis(PGNAA) system was designed by using Monte-Carlo simulation for the thickness of different moderator materials(heavy water,paraffin wax,polyethylene,etc.

针对在线瞬发γ中子活化分析(PGNAA)系统的要求,利用MCNP程序对不同慢化材料(重水、石蜡、聚乙烯等)厚度、铅屏蔽厚度、样品厚度及大小进行模拟计算分析。

Numerical Study of Advanced CANDU Reactor Moderator Fluid Field and Temperature Field;

先进CANDU型反应堆慢化剂流场和温度场的数值研究

Research on Heat Removal Capability for Passive Moderator Residual Heat Removal System of TACR-1000 when Station Black-Out Accident;

全厂断电事故时TACR-1000非能动慢化剂余热排出系统排热能力研究

Moderators work at temperature between 650℃ and 750℃ in space piles, in this case, zirconium hydride (atom ratio of H/Zr >1.

在空间堆中,慢化剂的工作温度范围为650～750℃,而在此温度下,H Zr原子比大于1。