Fibre Reinforced Polymer Composites Sandwich Structure: Recent Developments and Applications in Civil Infrastructure
Allan Manalo

Developing HOTS with VISSER: Bridging the Need for Science Instrumentation in Philippine Schools
Ruby Agnes Alfonso, John Raymond Pingol, Maria Clarissa Carasco, Aubrey Faith Mella, Ranzivelle Roxas-Villanueva, Giovanni Tapang, and Romel Gomez

Effects of Seed Coating Methods on Germination of Medicago sativa in Different Moisture Stress Levels and Sowing Depths
Hamidreza Mehrabi, Sara Tavakkoli and Koslum Karami

Development and Test of a Functional Relationship on Groundwater Salinity Reduction
Lorcelie B. Taclan, Ireneo C. Agulto, Victorino T. Taylan, Melissa E. Agulto, Helen F. Gavino, Vitaliana U. Malamug and Jolly S. Balila

Formulation and Optimization of Herb-Flavored Sweetpotato-Chocolate Spread
Marife R. Hilapad and Roberta D. Lauzon

Modelling the Effect of Cellulase Loading and Substrate Concentration on Enzymatic Saccharification of Indian Mango (Mangifera indica) Peelings for Bioethanol Production
Elisa D. Gutierrez

International Research Journal

Dr. Diosdado "Dado" Banatao

Biosorption Mechanism of Wild Celery, Vallisneria natans towards Lead and its Effect on the Chlorophyll Content
Johnsy M. Aure and Merell P. Billacura

Regional Processing for Optical Character Recognition of Plain Text on Artistic Background (Image Processing and Pattern Recognition)
Francis G. Balazon and Ace Gregorre C. Bañares

Evaluation of the Antimicrobial Activity of Probiotic Lactobacillus casei Cell-Free Supernatant Extract against Escherichia coli ATCC 25922
Jonathan M. Barcelo

Image Analysis of Foliar Greenness for Quantifying Relative Plant Health
Anton Louise P. de Ocampo, Joseph B. Albo, and Kerish J. de Ocampo

The Influence of Fiber Density and Cellulose Content of Banana and Rice Straw Fibers on Fiber Processing and Flexural Strength
Benjamin C. Tobias and Loriejoy Andico

Flexural Strength of Consolidated Natural Fibers for Floor Tiles
Benjamin C. Tobias and Marilou S. Tomentos

Design, Fabrication and Performance Evaluation of a Potato Grader for Village Level Operations Prototype II
Marvin T. Valentin and Elmar M. Villota

Refrigerant Piping for Split-Type Airconditioning System: Software Automation
Josef Vill S. Villanueva

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ISSN 2449-464X

IRJIEST Maiden Issue

IRJIEST Vol. 1 No. 1
June 2015

IRJIEST Maiden Issue

IRJIEST Vol. 1 No. 2
December 2015

The International Research Journal on Innovations in Engineering, Science and Technology (IRJIEST), owned and published by the Batangas State University (BatStateU) is released twice a year in electronic format. Papers submitted to the journal are initially screened by the journal editors. Selected papers after screening then undergo full review process. Articles that have been accepted following peer review are considered papers in press and are published online ahead of the production and copyediting.

The Editor-in-Chief, the Managing Editor and the members of the Editorial Board are responsible for the editorial policies. They conduct an editorial review once the peer review is completed. The editorial board then considers the feedback given by the peer reviewers and arrives at a decision. The journal publishes papers, which after editorial review, are found to have potential contributions to the innovations in engineering, science and technology.
The journal is published both in online and print version. The online version is of free access and download.
The papers shall be under any of the following thematic areas:

Automation and Control
Biochemistry and Molecular Biology

Electronics and Embedded Systems

Energy and Environment

Engineering Education

Food and Agriculture
Information and Communication Technology
Instrumentation and Control

Materials Science


Science, Mathematics, and Technology Education

Signal Processing Applications


The thematic area wherein the submitted paper is fit must be indicated in the paper.  Papers to be submitted must be written in a concise and comprehensive manner considering a wide array of readers. IRJIEST limits each article to only five (5) journal pages. The referees, the members of the editorial board and the Editor-in-Chief shall convene and agree if exception in the page limitation is to be considered.
Authors should also take note that IRJIEST assumes that submission of manuscript to the journal is an account that the author has not submitted it simultaneously to other journals and it has not been published or considered for publication elsewhere.
On the other hand, authors of papers that have appeared in conference proceedings should mention the previous appearance both in the cover letter to IRJIEST and a footnote on the first page. The paper must be significantly revised for it to be considered for publication.

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Batangas State University
Leading Innovations, Transforming Lives