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International Journal of Environment, Engineering, and Education
Published by Three E Science Institute
ISSN : -     EISSN : 26568039     DOI : https://doi.org/10.55151/ijeedu
Core Subject : Science, Education, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Environmental Science
The International Journal of Environment, Engineering, and Education [e-ISSN: 2656-8039] is a peer-reviewed, open-access journal that is published three times a year [in April, August, and December]; this journal provides the right platform for authors to update their knowledge, information, and share their research results with the more significant scientific community publishing research articles explaining the ecological, technical, and educational impact of research from various disciplines publishing research articles explaining the environmental, technical, and educational implications of research from multiple disciplines publishing research As an interdisciplinary scientific publication, this journal encourages collaboration between researchers, academics, practitioners, and policymakers in various sectors to develop sustainable solutions to address environmental, engineering, and educational problems and promote sustainable development.
Arjuna Subject : Umum - Umum
Articles 5 Documents
 1 
Search results for , issue "Vol 4 No 2 (2022)" : 5 Documents clear
Development of Internet of Things (IoT) Based Electric Equipment Control Fathahillah Fathahillah; Satria Gunawan Zain; Wirawan Setialaksana; Muh. Asriadi
International Journal of Environment, Engineering and Education Vol 4 No 2 (2022)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v4i2.71

Abstract

The Internet of Things (IoT) is one of the new trends in the world of technology that is likely to be one of the big things in the future. IoT is a concept that aims to expand the benefits of continuously connected internet connectivity. IoT can combine physical and virtual objects by exploiting data capture and communication capabilities. This development research aims to produce an IoT-based electrical equipment control system. The development model used in this research is the prototype development model. The development procedure consists of 6 steps: Requirements Analysis, Building Prototypes, Evaluation of Prototypes, Coding the System, Testing and Evaluating the System, and Implementing the System. The equipment used for the IoT-based electronic control system that will be designed consists of raspberry pi, power supply, relays, speakers, sound sensors, and lights. The results of this study resulted in an electronic control system that was carried out by voice commands. In this study, IoT devices were programmed to respond to commands to turn on/off the porch light, turn on/off the living room light, turn on/off the kitchen light, and turn on/off the bedroom light. The results of testing and evaluation of the system indicate that the development of this control system can work well, and the device works according to the instructions. The minimum distance for the voice command response to the device is 0 -10 cm, and the maximum length for the voice command response to the device is 500 cm.
Pro-Environmental Communication and Behavior in Sustainable Use of Environmental Resources: A Study in Kalpitiya Fisheries Inspector Division, Sri Lanka M. D. K. L. Gunathilaka; V. P. I. S. Wijeratne
International Journal of Environment, Engineering and Education Vol 4 No 2 (2022)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v4i2.74

Abstract

Human behavior has a multi-dimensional view of resource utilization; thus, vital to examine the behavior of groups in environmental resource utilization. The group was fishing communities in Kalpitiya Fisheries Inspector Division (KFID). Data was collected through various methods subjected to thematic content-based analysis and statistical analysis. The primary source of income is a fishery where marine fishery and brackish water fishery, along with aquaculture, were the sub-categories. Sixteen percent were engaged in both marine and brackish water fishery. A total of 18116 individuals were marginalized in the area. Un-sustainable resource utilization has decreased the area's existing resources, particularly for Internally Displaced Persons (IDPs). Their behavior has created specific environmental problems in Wannimundalama and Manadalakuda. Though education level was not satisfactory (96%), the statistical analysis showed dis-concordant status; neither education nor the source of income affects their poor behavior in resource utilization. Comparing two fishing harbors illustrated that the cultural aspect also affects the behavior. The perception of environmental protection is also poor, IDPs. Gender vice behavior reflected that females are more willing to protect and restore the environment than males. Findings illustrated that the dimensions and categories of the system directly do not decide the behavior of groups in environment resource utilization. Environmental communication is essential and positively impacts human behavior in environmental resource utilization. The study recommends investigating the factors constraining sustainable resource utilization behavior in KFID, emphasizing the necessity of environmental communication.
Evaluation of the Effects and Risks of Cost Estimation on Project Costs and Claims: A Study in Imo State, Nigeria Ejekwu B. Tobechi; Ekweani P. Chioma; Oha J. Ezinne
International Journal of Environment, Engineering and Education Vol 4 No 2 (2022)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v4i2.75

Abstract

The construction industry is challenged with project risks often resulting from cost estimating uncertainties. Previous research shows that 50% of construction disputes are estimating-risk related, leading to poor project performance. This study investigated the effects of charge evaluating risks on project cost overrun and resultant claims to improve project efficiency. The investigation was carried out using well-structured questionnaires addressed to construction professionals in Imo state to determine the critical cost estimating risks and identify principal evaluating risk-related claims contributing to cost overrun in construction project delivery. The results reveal that design issues (design complexity, preliminary design, and design errors) are the key contributors to cost estimating uncertainties. Inadequate cost data, estimator's expertise, and omission in contract documents are the principal causes of evaluating risk-related claims in construction projects. The study concluded that the inaccurate estimation of construction costs eventually leads to claims and cost overruns in the delivery of building projects. It's possible that the risk involved in cost evaluation is to blame for this. Estimators with sufficient efficiency, skill, and experience should be included in estimating to increase the likelihood that the estimates will be close to correct. The study recommends the availability of concise designs and specifications and details as well as updated market surveys to eliminate uncertainties and improve cost data before estimating a construction project.
Analysis of Glycerol in Nipa (Nypa fruticans Wurmb.) Kernel Extract (NKE) with High-Performance Liquid Chromatography (HPLC) Method Mario Dario L. Berdolaga Jr.
International Journal of Environment, Engineering and Education Vol 4 No 2 (2022)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v4i2.80

Abstract

The quantification of glycerol reveals application areas in research as well as industrial prospects for supplies of biodiesel. Although petroleum and fossil fuels are not sustainable sources of energy, these fuels are on the verge of being exhausted. The study aims to establish a novel, calibrated, simple, and accurate analysis of the glycerol content using High-Performance Liquid Chromatography (HPLC) method. The quantification of glycerol from Nipa Kernel Extract (NKE) using the HPLC method resulted from a 4.06% concentration using hydrolysis reaction with methanol and KOH catalyst. The pure and hydrolyzed NKE were monitored using isocratic elution with Hydrophilic-Interaction Chromatography (HPLC-HILIC). The chromatograms extracted from the LC were analyzed and validated and showed good performance in terms of linearity as implicated (R^2=0.9928), repeatability (%RSD range from 2.6758% and 16.6130%), intermediate precision (p-value (0.00119) <α), the limit of detection 0.0001458% (w/w), the limit of quantification 0.0004182% (w/w), and accuracy (76.7105% to 82.8505%) of hydrolyzed Nipa Kernel Extract (NKE). The results produced from the employed approach are sufficient for determining the concentration of glycerol, and the method itself can serve as an alternate way to conduct chemical analysis. Additional research revealed that the contaminants and free fatty acids connected to glycerol absorbed the same absorbance units. It is anticipated that the investigation and identification will include quantifying the concentration of other unknown compounds found in the matrix.
Evaluation in Assessment of Student Competence: Application of the Indonesian Student Competency Assessment (AKSI) in Elementary Schools Mustari S. Lamada; Sanatang Sanatang; Aulyah Zakilah Ifani; Dwi Hastuti Hidayat
International Journal of Environment, Engineering and Education Vol 4 No 2 (2022)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v4i2.81

Abstract

The purpose of the study was to determine the application of the Indonesian Student Competency Assessment application at the elementary school level, to determine the readiness of teachers, to find out the ease of guidance and the suitability of literacy and numeracy learning modules with assessment questions, and to find out the obstacles experienced by teachers during the process of using the Application of Indonesian Student Competency Assessment (AKSI) application using a purposive sampling technique. Data collection using questionnaires and documentation. Data analysis in this study used descriptive statistics. The results showed that the application of the Indonesian Student Competency Assessment application at the elementary school level in, Takalar Regency had been implemented well. Research with sub-variables of the application of the Indonesian Student Competency Assessment application at three elementary schools for students obtained data showing 44.70% were in a good category. The readiness of teachers to apply the AKSI application obtained data that 84.80% were in the ready and very ready category and the very ready category was balanced with the ready category. The ease of guidance and the suitability of the literacy and numeracy learning modules with the assessment questions provided by the AKSI application for teachers obtained data that showed 39.00% were in the very good category. Obstacles experienced by teachers during the process of using the AKSI application, data showed that 35.70% were in the high category

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