The slowing down in optical bistability;

光學(xué)雙穩(wěn)系統(tǒng)中的慢化現(xiàn)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.

對具有雙穩(wěn)性的化學(xué)反應(yīng)中的慢化現(xiàn)象進(jìn)行了研究 ,指出了兩類臨界點(diǎn)附近的慢化現(xiàn)象 (即所謂的臨界慢化 ) ,計算出了它們的臨界慢化指數(shù) ,發(fā)現(xiàn)這兩類臨界指數(shù)與混沌運(yùn)動中的切分叉點(diǎn)及倍周期分叉點(diǎn)相一致 。

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

研究了光學(xué)三穩(wěn)態(tài)系統(tǒng)中的兩種慢化現(xiàn)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.

選取重水、石墨、聚乙烯等6種慢化材料,利用MCNP程序?qū)Σ煌穆牧线M(jìn)行模擬計算分析。

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.

針對在線瞬發(fā)γ中子活化分析(PGNAA)系統(tǒng)的要求,利用MCNP程序?qū)Σ煌牧?重水、石蠟、聚乙烯等)厚度、鉛屏蔽厚度、樣品厚度及大小進(jìn)行模擬計算分析。

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

先進(jìn)CANDU型反應(yīng)堆慢化劑流場和溫度場的數(shù)值研究

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

全廠斷電事故時TACR-1000非能動慢化劑余熱排出系統(tǒng)排熱能力研究

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

在空間堆中,慢化劑的工作溫度范圍為650～750℃,而在此溫度下,H Zr原子比大于1。