We apply a Langevin model by imposing additive and multiplicative noises to study thermally activated diffusion over a fluctuating barrier in underdamped dynamics.
本文从一个由加性噪声和乘性噪声驱动的朗之万方程出发，研究了欠阻尼动力学系统涨落势垒作用下的扩散性质。
Abstract: We apply a Langevin model by imposing additive and multiplicative noises to study thermally activated diffusion over a fluctuating barrier in underdamped dynamics.
摘要：本文从一个由加性噪声和乘性噪声驱动的朗之万方程出发，研究了欠阻尼动力学系统涨落势垒作用下的扩散性质。
The results indicate that the diffusion process of oxygen and nitrogen in carbon molecular sieve is activated, such an process may be represented by the dual diffusion resistance model.
结果表明，氧和氮在炭分子筛中的扩散是活化扩散，该过程可用双孔模型进行描述。
It is concluded that the activated sintering mechanism of molybdenum by palladium is mainly derived from boundary diffusion.
从而得出钯活化钼的烧结机理以晶界扩散为主。
The activated carbon adsorption rate was found to be governed by the microporous diffusion.
发现微孔扩散是控制活性炭吸附速度的决定因素。
Adsorption of sucrose on activated carbon is a chemical adsorption process and belongs to mono-molecular surface adsorption. The adsorption rate is controlled by internal diffusion.
活性炭吸附蔗糖是一种化学吸附过程，蔗糖是以单分子铺展的形式被吸附于活性炭表面，其吸附速率由内扩散所控制。
Adsorption of sucrose on activated carbon is a chemical adsorption process and belongs to mono-molecular surface adsorption. The adsorption rate is controlled by internal diffusion.
活性炭吸附蔗糖是一种化学吸附过程，蔗糖是以单分子铺展的形式被吸附于活性炭表面，其吸附速率由内扩散所控制。
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