Flow of fluid, including liquid and mixture gas of vapor and air, is presented with Darcy's law. Capillary transportation of liquid and diffusive transportation of vapor and air are considered in heat and mass transfer in porous media during drying. 液体和气体在多孔介质中的流动遵循达西定律,同时考虑了液体传输时的毛细效应和蒸汽与空气分子的相互扩散效应。
But the policy barrier and the lack of the related law system could be the obstacles of the integration of mass media and capital market in China. 但在当下情境中,供、需双方难以成市,我国媒体业在进入资本市场的道路上面临的主要障碍是政策性壁垒和法律的失语。
From a policy and law of the state, mass media itself, schools and families to play together, under the guidance of the socialist core value system, work together to create a harmonious society and beautiful environment for the growth and success of middle school students. 从国家的政策法律、大众传媒自身、学校和家庭四个方面发挥合力,在社会主义核心价值体系的指导下,共同为中学生的成长成才创造一个和谐优美的社会环境。
In order to enhance the scientific and cultural quality of all citizens,` The Law of Scientific and Technological Popularization of PRC 'provides that mass media should shoulder the responsibility to popularize science and technology. 为提高全体公民的科学文化素质,《中华人民共和国科学技术普及法》规定,大众传媒要承担科学技术普及的任务。