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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 ( 66 ) 〈TOP〉
  1. 1. 艾群、S. Gunasekaran. 1993。利用超音波分析牛奶在凝結過程中的物理性質變化。農業機械學刊 2(2):49-63。
  2. 3. 李允中、王峻禧。1996。罐裝液體食品黏度非破壞檢測系統的自由減振扭轉振動分析。農業機械學刊 5(4):47-55。
  3. 6. 洪滉祐。2007。超音波應用於農產品與肉品之品質檢測。博士論文。臺北:國立臺灣大學生物產業機電工程學研究所。
  4. 7. 郭重裕。1994。以超音波感測器偵測圓筒倉水稻之儲存量。碩士論文。臺北:國立臺灣大學農業機械工程學研究所。
  5. 10. 陳金樹。1993。研製-Brix度數表供由反光儀測定值來換算柑澄汁中固型物含量。農業機械學刊 2(1):1-14。
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