如何查找文献（How to find documents）.docVIP

如何查找文献（How to find documents） Free downloading of various subject documents is the ideal field for academic exchange A corpus of cryptographic search methods First, the literature password search methods overview, [font=, song,]Sample, Text The essence of literature search code are summarized as follows: 1.google is a good tool for password search 2. standard search expression: journal name (database name) +password+username 3. retrieves the variability of expressions (PW, PWD, etc derivatives) 4. redundant information removal (-NEED) 5. password regional issues (site:EDU, KR, TW) 6. file type limit Application of 7.INTITTLE\link and other restrictions 8. famous magazines with other magazines 9. reverse search: security, simple principle, but the whole manual, cumbersome, management and scheduling technology needs to be improved Two. Abbreviation of document full name automatic inquiry system Usage method： Method one: Enter the abbreviation into the query box and press search. Note: you do not need to enter the abbreviated , but each abbreviated word should be spaces. URL: / Method two: The Yale Journal abbreviation query system: URL: /library/journalfinder/ Method three: A special search for abbreviations in biological engineering journals: URL: /~molbio/bioABACUShome.htm Method four: Special search for biomedical journal abbreviations: URL: /abrv/ Method five: Medline magazine acronym dedicated search device: Three, I search ppt experience Since I learned to search, I have learned a lot and encountered many problems at the same time. Im going to talk about some of the problems Ive had when searching for PPT files for a while. Please master more advice. When we check the PPT data, we usually want to get all the relevant information about it, so we need it: 1, the retrieval of things back and forth, to enlarge the amount of information. For example, I retrieved the molecular biology in Google and got a url like http://www.icmb.ed.ac.uk/teaching/molbio/blakely.htm