| In the we media era,individuals or organizations produce content through a variety of new media platforms.The development of technology makes short video become the latest communication format.The characteristics of ’ short,flat and fast ’are in line with people ’ s habits in today ’ s fragmented era.In order to alleviate anxiety,develop scientific thinking and enhance self-awareness,the public ’ s desire for knowledge is getting higher and higher.The combination of science and technology communication and we media has spawned short video of science and technology.The content of science and technology communication has experienced three stages :science popularization,public understanding and public participation.The public participation of users is the background of the development of science and technology short videos.In order to clarify the many elements and visualization of the production of sci-tech short video content,three accounts operating on multiple platforms in a year are selected : sci-tech duke,sci-tech travel number and paper Clip.A total of 235 videos are selected as the research objects,and the research method is qualitative content analysis.Firstly,the production factors and characteristics of short sci-tech videos are discussed.Content production factors mainly include content production subjects,original and secondary video content categories and content production positioning.Content production features include visual production methods and content features.Combined with case analysis,knowledge visualization application and data text meaning transmission are analyzed.Content features of short science and technology videos are summarized mainly from themes,sources,contents and forms.Secondly,the comprehensive evaluation table of the content quality of short sci-tech videos is introduced with case analysis to illustrate the release channels of short sci-tech videos and demonstrate the release of short sci-tech videos.The role of users has become the characteristics of producers and recipients of science and technology short video content,driven by three factors : the decentralization of communication subjects,the innovation of science and technology communication pattern and the power of flow realization.Finally,it is found that the professionalism and values of self-media production are weak,the combination of visual application and interesting and concise content is insufficient,and the target user dispersion and group sharing are insufficient.In order to further promote the content production and expression dissemination of short sci-tech videos,it is necessary to establish a more scientific content orientation,form a variety of video expression methods,and enhance the willingness to participate in content dissemination.Adhering to the idea of content is king,the use of technology is complementary,and is committed to helping the public develop independent thinking ability and improve scientific literacy and cognitive level through the high quality content transmission of science and technology short video. |