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变压吸附数学模型30年进展 总被引:1,自引:0,他引:1
The pressure swing adsorption (PSA) models discussed here are divided into three categories:partial differential equation model,electrical analogue model and neural network model.The partial differential equation model,including equilibrium and kinetic models,has provided an elementary viewpoint for PSA processes.Using the simplest equilibrium modes,some influential factors, such as pressurization with product,incomplete purge, beds with dead volume and heat effects,are discussed respectively.With several approximate assumptions i.e., concentration profile in adsorbent,“frozen” column,symmetry and heat effects of bed wall,the more complex kinetic models can be simplified to a certain degree at the expense of a limited application.It has also been found that the electrical analogue model has great fxexibility to handle more realistic PSA processes without any additional hypothesis. 相似文献
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“这对我们博物馆来说十分重要,因为这是本世纪法国国家陶瓷博物馆收藏的第一件中国瓷器。您的这件当代艺术作品将于明年在我们博物馆的当代艺术区域与古代的传统青花共同展出,让博物馆的来访者有幸欣赏您的艺术。” 相似文献
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陶瓷与书法艺术虽是两门独立艺术,但两者自古以来就有着深厚的历史渊源,两者具有相通的艺术特征。现代条件下陶瓷与书法艺术亦交相辉映,不同的陶瓷造型可以采用与其风格相协调的书法来加以装饰,使陶瓷艺术获得锦上添花的效果。虽然书法艺术在陶瓷中的运用仅处于辅助地位,但其作用和意义不容忽视,值得从事陶瓷艺术的人们加以关注和应用。 相似文献
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赏壶品茗历来被视为情操的陶冶、精神的升华、心灵的回归,传承这种高雅行为方式的紫砂壶上书法自然也就清新儒雅、矫健飘逸了。清代壶上书法的高手很多,他们秉着对制壶精益求精的态度,趣在笔画中、意在疏密间。如笏山书铭的钿合壶刻有:钿合丁宁,改注茶经 相似文献