1, keywords in medical paper writing can clearly and intuitively express the theme of literature discussion or expression, so that readers can know the theme of the paper at a glance before reading the abstract and text of academic papers, so as to judge whether to spend time reading the text.
2. Periodical papers are generally collected by bibliographic or abstract secondary literature (retrieval tool) or bibliographic literature database (such as CD-ROM Chinese periodical database). The keyword index in retrieval tools and the inverse document compiled by keywords in database documents are arranged according to the keywords provided by academic papers.
Keyword index and inverse document in medical paper writing provide a quick method to search documents, which enables readers to find documents that meet the requirements quickly. Therefore, keywords have important retrieval significance.
Extended data:
NAST is a large authoritative science and technology network founded by the Ministry of Science and Technology, which mainly inquires about scientific and technological achievements. It has collected about 1978-2007120,000 scientific and technological achievements recognized by provincial, municipal, Ministry and other first-level scientific and technological achievements management institutions in all regions and industries in China, and the database capacity has increased by 30,000-50,000 items every year, fully ensuring the timeliness of the achievements.
At the same time, it provides convenient and fast free online inquiry, and can also inquire about national scientific research institutions and online scientific and technological websites to publish information on supply and demand of scientific and technological achievements. Nearly ten thousand scientific and technological achievements of traditional Chinese medicine are registered on this website.
The achievement database of NAST is divided into new technologies, new varieties, new products, initial stage, middle stage, mature application stage, scientific and technological talent pool and unit pool.
The searchable fields of each section include 32 fields, such as the name, year, category, high-tech field, application industry, transfer scope, promotion form, achievement level, plan category, stage and achievement embodiment form, which fully embodies the basic information attributes of various projects.