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Search Symbol (Half-width) Description of Search Symbols
Space "AND" indicates the intertwining of key terms used in a search
Double Quotation Marks ("") ( " " ) Double quotation marks indicate the beginning and end of a phrase, and the search will only include terms that appear in the same order of those within the quotations. Example: "image process" : " image process "
? Indicates a variable letter. Entering two ? will indicate two variable letters, and so on. Example: "Appl?", search results will yield apple, apply… e , appl y … ( (often used to English word searches) )
* Indicates an unlimited number of variable letters to follow, from 1~n. Example: Enter "appl*", search results will yield apple, apples, apply, applied, application…(often used in English word searches) e , appl es , appl y , appl ied , appl ication … ( (often used to English word searches) )

Boolean logic combinations of key words is a skill used to expand or refine search parameters.
(1) AND (1) AND: Refines search parameters
(2) OR (2) OR: Expands search parameters (3) NOT: Excludes irrelevant parameters


DOI stands for Digital Object Identifier ( D igital O bject I dentifier ) ,
and is the unique identifier for objects on the internet. It can be used to create persistent link and to cite articles.

Using DOI as a persistent link

To create a persistent link, add「」 「 」 before a DOI.
For instance, if the DOI of an article is 10.5297/ser.1201.002 , you can link persistently to the article by entering the following link in your browser: 10.5297/ser.1201.002
The DOI link will always direct you to the most updated article page no matter how the publisher changes the document's position, avoiding errors when engaging in important research.

Cite a document with DOI

When citing references, you should also cite the DOI if the article has one. If your citation guideline does not include DOIs, you may cite the DOI link.

DOIs allow accurate citations, improve academic contents connections, and allow users to gain better experience across different platforms. Currently, there are more than 70 million DOIs registered for academic contents. If you want to understand more about DOI, please visit airiti DOI ) 。

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Reference ( 101 ) 〈TOP〉
  1. 行政院衛生署國民健康局(2012年1月11日)。天天五蔬果【食物營養與熱量圖書館】。取自
  2. 行政院衛生署國民健康局(2009年10月16日)。國人長期缺維生素B1及B2,宜多攝取【健康專欄】。
  3. 林佳蓉、曾明淑、詹思萍(1997)。臺灣地區一至六歲幼兒營養狀況調查。中華民國營養學會雜誌,22,47-61。
  4. 林佳蓉、楊小淇、杭極敏、許惠玉、林薇(2008)。我國各級學校營養教及飲食環境探討及建議(一):幼兒園。台灣營養學會雜誌,3,89-96。
  5. 侯金杏、徐光華、林世忠、張仙平(2004)台北市北投區幼稚園及托兒所膳食供應之營養現況分析。健康促進暨衛生教育雜誌,24,95-110。
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