Based on molecular diffusion model of water vapor a theoretical model of frost growth is established and an experimental set with a liquid nitrogen cooled tube is built up.
以蒸汽分子扩散模型为基础，建立了预测霜层生长过程的数学模型，并建立了以液氮为冷媒的管内强制流动结霜实验台。
AIM to set up the experimental model of canine thoracic cavity gunshot wounds, and to explore the causes of early death and the effects of early rescue.
目的建立犬胸腔枪弹伤致伤模型，探讨早期致死原因和早期救治效果。
A heat and mass transfer model was set up, and the simulation results were found to be in accordance with the experimental data.
建立了过程的热质传递模型，比较模拟数据与实验数据，验证了理论模型有较好的适用性。
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