Ultrafast internal conversion and vibrational relaxation in singlet excited-state all-trans-β-carotene as revealed by femtosecond time-resolved stimulated Raman spectroscopy;
飞秒时间分辨拉曼光谱用于研究β-胡萝卜素单重激发态内转换和振动弛豫过程
We have discovered that the rates of vibrational relaxation decrease with the increase of molecular dissociation energy, which phenomenon is in agreement with those from spectroscopic data.
发现振动弛豫速率随着分子离解能的增高而下降。
Femtosecond time-resolved studies using fluorescence depletion spectroscopy were performed on the vibrational relaxation; orientational relaxation and the intermolecular energy transfer of dye molecules in solutions under different conditions.
本文的主要内容是利用飞秒时间分辨荧光亏蚀光谱探测技术对液相体系中的染料大分子在不同条件下的激发态振动弛豫、取向弛豫和分子间碰撞传能等超快动力学过程进行了研究，分析得到了这些超快过程与体系温度和溶剂性质之间的关系，同时为进一步研究DNA、蛋白质等生物分子体系的电子转移、质子转移、能量传递以及光致异构化等反应过程打下了基础。
Ultrafast vibrational relaxation dynamics of LDS698 dye molecule in solution aretheoretically studied on the basis of the perturbative density operator method and the transientlinear susceptibility theory.
采用微扰密度矩阵和瞬态线性极化率理论，自编计算机程序，模拟了液相LDS698染料分子第一激发电于态S1的飞秒受激辐射荧光亏蚀谱，初步定量地确定了该分子S1态的超快振动弛豫速率以及S1与S0态间的Huang－Rhys因子，通过理论分析确认，测量的受激辐射荧光亏蚀谱，前面一段快速增加的信号主要反映了S1态的超快振动弛豫过程，后一段慢增加的信号主要反映了激发态的溶剂化过程。
The Ultrafast Vibrational Relaxation and Internal Conversion Dynamics of the Polyatomic Molecules in Liquids Studied in Femtosecond Laser Pulse;
飞秒强激光场中液相多原子分子的振动弛豫和内转换动力学研究
The study on NMR relaxation and the chains movement of P(St-MMA)Polymer in CDCl_3 Solution
P(St-MMA)聚合物在CDCl_3溶剂中的核磁共振弛豫及高分子链运动
Dynamics of relaxation oscillation caused by stimulated Brillouin scattering in optical fiber and its suppression
光纤中受激Brillouin散射动态弛豫振荡特性及其抑制方法
A new relaxation oscillation mode is found through the dynamic simulation.
通过模拟发现了新的弛豫振荡模式。
A New Method for Multi-exponential Inversion of NMR Relaxation Signal
核磁共振弛豫信号多指数反演新方法
Vibrational energy relaxation in condensed phases is an important dynamical process in chemistry, physics and biology.
凝聚相中的振动能量弛豫是化学、理学和生物学中一个非常重要的动力学过程。
Study of T2 Relaxometry in Evaluation of Epilepsy in Human;
磁共振T2弛豫时间测量在癫痫中的应用研究
Discussion on NMR Relaxation Time and Magnetic Field s Regularity;
核磁共振弛豫时间和磁场均匀性的研究
Relaxation of wall and relation to external magnetic filed in optical-magnetic resonance experiment
光磁共振实验中壁弛豫过程与外磁场的关系
The platform which simulate relaxation moves of Pulmonary respiration
基于LM3S2651的肺呼吸弛豫运动模拟平台
Interfacial Momentum Transfer During the Relaxation Process of High Speed Gas-droplet Two-phase Flow;
高速气雾两相流弛豫过程相间动量传递研究
Mechanical and Impedance Relaxations Study in Na_xCo_2O_4
Na_xCo_2O_4陶瓷的力学弛豫和阻抗弛豫研究
Our analysis shows that the increase of the relaxation time originates from the dynamic degradate effect of the polarization relaxation of the domains.
分析表明:这种弛豫时间的增加来源于在畴区上极化弛豫的动态慢化效应.
A Study of Ultrafast All-optical Polarization Switch Based on Spin Relaxation in InGaAs/InP MQWs;
基于InGaAs/InP多量子阱中电子自旋弛豫的超快全光偏振开关的研究
Study on Double-clad Yb-doped Fiber Laser and Relaxation Oscillation in Solid-state Laser;
双包层掺镱光纤激光器及固体激光器弛豫振荡特性研究
~1H-NMR RELAXATION AND STATE EVOLVEMENT OF EVAPORABLE WATER IN CEMENT PASTES
水泥浆体中可蒸发水的~1H核磁共振弛豫特征及状态演变
Snoek Relaxational Peak in a Fe-Cr-Al Alloy;
Fe-Cr-Al合金中的Snoek弛豫
Investigation of excited triplet absorption spectrum and relaxation kinetics of dimeric chlorophyll a
叶绿素α二聚体激发三重态吸收谱及其弛豫动力学过程的研究