Broadly speaking, the classification of periodicals can be divided into informal periodicals and formal periodicals. An informal periodical refers to a periodical that is approved by the administrative department to receive the "internal newspaper approval" as an intra-industry communication (generally limited to intra-industry communication and not publicly issued), but it is also a legal periodical. Generally speaking, formal journals have gone through the process of informal journals.
Division of periodicals
1, which can be divided into current affairs politics, social science, natural science, engineering technology, literature and art, teaching guidance, comprehensive cultural life, science popularization, information retrieval, etc.
2. According to the publishing cycle, it can be divided into weekly, xunkan, biweekly, monthly, bimonthly, quarterly, biannual, annual, etc.
3. According to the age level of readers, it can be divided into old magazines, youth magazines, juvenile magazines, children's magazines and so on.
4. According to academic status, it can be divided into core journals and non-core journals.
The difference between periodicals, newspapers and books
Periodicals and newspapers are continuous publications, so there are many similarities that can distinguish them from books. For example, a stable name, continuous publication and a year number indicating that it can be published indefinitely are all compiled from the works of many authors and generally will not be reprinted or revised. Of course, there is a difference between periodicals and newspapers.
Their external differences mainly lie in the fact that periodicals are bound into volumes with covers, and the format is generally smaller than newspapers, and the publishing cycle is usually longer than newspapers. Their internal differences mainly lie in the fact that the effectiveness of periodicals is weaker than that of newspapers, and their stability and systematization are stronger than that of newspapers.
Compared with individual books, periodicals have some characteristics: the text is generally divided into various columns; The length of the whole journal is relatively fixed for a certain period of time (at least one year), neither more nor less; There is no title page, and the version records are listed on the back cover or directory page.