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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 ( 88 ) 〈TOP〉
  1. 王志賢,2006。「台灣種植能源作物以提煉生質酒精之可行性分析」。碩士論文,中興大學應用經濟研究所。
  2. 台灣經濟研究院,2006。「推動車輛使用酒精汽油替代燃料可行性策略分析及成本效益評估計畫」。行政院環境保護署委託研究計畫。EPA-94-FA13-03-A231。台灣經濟研究院。
  3. 行政院農業委員會農糧署,2007。『民國九十五年期台灣農產品生產成本調查報告』。台北:行政院農業委員會農糧署。
  4. 林俊義、賴瑞聲,2007 。「台灣地區生質酒精作物評估」,農業試驗所技術服務。6月,70期,1-6。
  5. 林俊義,2007,「我國發展生質能源作物之展望」,林業研究專訊,14 卷, 4 期,29-34。
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