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「http://dx.doi.org/」 「 http://dx.doi.org/ 」 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: http://dx.doi.org/ 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 Registrationdoi.airiti.com ) 。



Data Source: Academic Citation Index (ACI)
As Taiwan's largest Citation Index, we currently have on record all Humanities, and Sociology journals that were published in Taiwan. The number of periodicals that are published on a regular basis total around 400 different types. If periodicals that were added to the collection but then halted are counted as well, the number of periodicals total over 500 types. Every year we announce the recorded periodicals' impact factor, etc. to the public, and allow scholars utilize our materials to carry out academic research for free.

Impact Factor: The statistic indicating the average number of times a journal's articles published in the past two years have been cited in the counting year.
Formula: (Number of cites in counting year to articles published in the span of two years ) ÷ (Number of articles published in the span of two years)
Example: The impact factor in 2010 (determined in 2011)
In 2009, Journal A published 15 articles, and these 15 articles were cited 20 times in 2010.
In 2008, Journal A published 16 articles, and these 16 articles were cited 30 times in 2010.
→ →2010's Impact Factor = (20+30) ÷ (15+16) = 1.61 =(20+30)÷(15+16)≒1.61


What is "Preprint"?

In order to provide readers the forefront academic information, after articles are accepted to publish in the journal, we publish them in network before they're printed. Those "on-line first articles" are called the "preprint articles". The preprint articles do not have volume No., page No., publication date, but can be identified by the DOI number. 「 http://dx.doi.org/ 」 Link to the latest version of the article.

How to cite Preprint Articles?

Please use the online publication date and the DOI number of the preprint article to cite the literature.

Cited example (may vary with different formats you cited):

Author name. Article name. Journal name. YYYY/MM/DD online publish in advance.

doi:DOI Number


Chinese/English Abstract


Chinese/English Abstract :


Times Cited :

Scientific Research Publishing 』

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The Problems of the North Caucasus Landscape's Pollution and Population's Health

Vladimir V. DiyachenkoYyriy A. MalykhinLarisa G. Diyachenko


10.4236/jep.2014.52011 DOI

Abstract Download Download PDF Track Track


Economic Valuation of Sea Level Rise Impacts on Agricultural Sector: Damietta Governorate, Egypt

M. A. AbdraboM. A. Hassaan

Sea Level RiseNile DeltaEconomic ValuationAgricultureGroundwater Table Level

10.4236/jep.2014.52012 DOI

Abstract Download Download PDF Track Track


Polychlorinated Biphenyls in Whole-Body Field Mice Collected Upgradient and Downgradient of a Sediment Retention Structure in Los Alamos Canyon, Los Alamos National Laboratory, New Mexico, USA

Philip R. Fresquez

Polychlorinated Biphenyl CongenersDeer MicePeromyscusBiomonitoringRio GrandeSouthwestNew Mexico

10.4236/jep.2014.52013 DOI

Abstract Download Download PDF Track Track


Levels of Mercury and Polychlorobiphenyls in Bluefin Tuna from the Western Mediterranean Sea: A Food Safety Issue?

Monia RenziAlessandro CauNicola BianchiSilvano E. Focardi

Bluefin TunaHuman ConsumptionMercuryPCBs

10.4236/jep.2014.52014 DOI

Abstract Download Download PDF Track Track


Natural and Artificial Radionuclides in River Bottom Sediments and Suspended Matter in the Czech Republic in the Period 2000-2010

Eduard HanslíkDiana MaresováEva Juranová

River Bottom SedimentsSuspended MatterSurface WaterUranium IndustryRadioactive ContaminationRadium-226Radium-228Potassium-40Caesium-137

10.4236/jep.2014.52015 DOI

Abstract Download Download PDF Track Track


Assessment of the Level of Awareness of E-Waste Management and Concern for the Environment amongst the Populace in Onitsha, Southeastern Nigeria

Anthony OkoyeChijioke Odoh


10.4236/jep.2014.52016 DOI

Abstract Download Download PDF Track Track


Multicriteria Assessment of Various Onsite Wastewater Treatment Options for Nigeria

Chidozie Charles NnajiChinedu EkechukwuFortune OnyiaChristopher Afangideh

Septic Tank WastewaterContaminationAnalytic Network ProcessRisks

10.4236/jep.2014.52017 DOI

Abstract Download Download PDF Track Track


Investigating the Distribution of Selected Major and Trace Metals in Lithogenic Environment near Cement Factory, Mekelle, Ethiopia

Samuel Estifanos

MetalsGeochemical ExtractionCement FactoryDust EmissionFactor Analysis

10.4236/jep.2014.52018 DOI

Abstract Download Download PDF Track Track


Impacts of Wood Poaching on Vegetation Structure and Composition in Mukuvisi Woodland, Zimbabwe

Never MubokoTapiwa ChigumiraClayton MashapaEdson GandiwaGladman ChibememeVictor K. Muposhi

Alternative EnergyCompositionMiombo WoodlandsMukuvisi WoodlandStructureWood Poaching

10.4236/jep.2014.52019 DOI

Abstract Download Download PDF Track Track


Environmental Assessment of Acid Mine Drainage Pollution on Surface Water Bodies around Ngwenya Mine, Swaziland

A. O. FadiranC. L. DlaminiJ. M. Thwala

Acid Mine DrainageHeavy Metal PollutionRedox PotentialPhysico-Chemical PropertiesIron Speciation

10.4236/jep.2014.52020 DOI

Abstract Download Download PDF Track Track

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