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Abdul Hafid Hasim
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INDONESIA
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 63 Documents
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Banana Stem Charcoal as Adsorbents Reduce Water Hardness Levels Ronny Ronny; Irfai Irfai; Dedi Mahyudin; Jasman Jasman
International Journal of Environment, Engineering and Education Vol 1 No 1 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i1.7

Abstract

One of the chemical parameters in the requirements of clean water is water hardness. Hardness is a term used in water containing cations that cause hardness. Generally, hardness caused by the presence of metals or cations which have a valence of 2, such as Fe, Sr, Mn, Ca and Mg. The purpose of this research is to determine the effect of banana stem charcoal as an adsorbent in reducing water hardness. The process of charcoal banana stem adsorbent dried under the sun for one week, and in the oven at 110°C for 24 hours to reduce moisture and moisture content. Next, to remove volatile materials, the hydrolyzed sample was heated at 400°C to become charcoal with 30 minutes in the furnace after which it was sieved with 106 µm and 250 µm sieves and stored in a desiccator. From the results of the study, it found that the banana charcoal adsorption process can reduce the water hardness level to reach 43.56% for the contact time of about 240 minutes with the thickness of the charcoal used around 5 cm. Then from the t-test analysis showed a significant difference before and after using banana stem charcoal as an adsorbent medium. Banana stem charcoal can be an alternative to adsorbent media to reduce the level of water pollution in addition to other media that commonly used.
Have a Personal Vehicle: Really Need or Simply Want? Abdul Hafid Hasim; Lambang Basri Said; Maryam Hafram
International Journal of Environment, Engineering and Education Vol 1 No 1 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i1.8

Abstract

The more and more efficiently the community in owning and determining vehicle choices has resulted in increasingly increasing the trend of private vehicle use as the primary transportation mode replacing public transportation. Planned Behavior Theory is expected to accurately predict people's intentions and behavior in using private vehicles. The variables used are the independent variable Attitude Toward, Subjective Norm and Perceived Behavioral Control, then Intention Behavior as the intervening and Behavior dependent variable. The research population is the community of private motorists using cars and motorbikes in the city of Makassar. The number of samples used was 210 respondents. The sampling used is Purposive Random Sampling. Primary data and information through an open questionnaire. Analysis of research data with the Structural Equation Model with IBM AMOS Software. The results obtained show that attitude toward intention to behavior means that attitude variables compared to Subjective Norm and Perceived Behavioral Control variables predominantly affect Intention and Behavior. The Attitude Toward of vehicle users who are influenced by Behavior belief will ensure that the vehicles they use can make social values increase, will be more valued and respected. Vehicles are not only a means of transportation but also a symbol of a person's establishment.
Environmental Governance Urban: Public Participation and Sustainable Development Darhamsyah Darhamsyah
International Journal of Environment, Engineering and Education Vol 1 No 1 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i1.9

Abstract

Environmental protection and management are carried out based on the principle of state responsibility, sustainability and sustainability, harmony and balance, integration, benefits, prudence, justice, ecoregion, biodiversity, participatory, local wisdom, good governance, and regional autonomy. The purpose of the research is to find out how much influence obtained between the variables of participation in sustainable development and indicators on these variables in environmental management in urban areas. The study was conducted in Makassar City in 2017-2018 with questionnaires and interviews as instruments to obtain primary data. The number of samples used was 200 respondents. With variables consisting of participation and sustainable development, then the indicator includes of (1) Thought Contribution; (2) Contributions of Funds; (3) Energy Contributions and (4) Contributions of Facilities for participation variables and (1) Culture - Ecology Interface; (2) Culture - Economy Interface; and (3) Economy - Ecology Interface for sustainable development. The analysis used is Confirmatory Factor Analysis (CFA) and to manage primary data with CFA, the help of IBM AMOS 23 Software used. The results of the study show that community participation in the development of business entities and waste banks is to encourage public involvement to the lowest level. To support environmental sustainability at the local level this, form of participation. From such things that make a significant influence between community participation in the development of environmental sustainability.
The Consequences of Illegal Mining in the Environment: Perspectives Behavioral, Knowledge and Attitude Muhammad Ichsan Ali
International Journal of Environment, Engineering and Education Vol 1 No 1 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i1.10

Abstract

Environmental problems can overcome by changing the mental attitude of humans as environmental destroyers to humans who are aware of their environment. The focus in research is to find out and then interpret the results obtained related to the presence or absence of influence between the level of knowledge and attitudes of traditional miners on behavior. The number of samples used was 212 respondents spread over traditional mining areas of the community. Data is obtained from surveys using questionnaire instruments and interviews with traditional miners. The data is then analyzed Structural Equation Model (SEM) using IBM AMOS 23. The results of validation and reliability and goodness of fit (GOF) indicate that the model is feasible and fit. The results of the analysis show that there is a significant impact between the variables of knowledge and attitudes towards the behavior of the mining community. The condition of enough knowledge is not able to change people's behavior to manage the environment. The results obtained are the same as attitudinal variables that show contra to the environment. All ways are done to get profits without seeing the consequences. The attitude of the government must be more assertive in controlling illegal mining that has damaged the surrounding environment. Humans who are aware of their environment are humans who already understand and apply attitudes and behaviors that care about the environment and apply the principles of ecology and environmental ethics.
Microcontroller Implementation for Automatic Smart Bell Muhammad Sabri Annas; Haripuddin Haripuddin; Satria Gunawan Zain
International Journal of Environment, Engineering and Education Vol 1 No 1 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i1.11

Abstract

This study aims to design automatic school bell hardware based on the ATmega32 microcontroller, design automatic school bell software based on the ATmega32 microcontroller using Basic programming language, and test the performance of the automatic school bell based on the ATmega32 microcontroller. This automatic school bell uses a minimum system of ATmega32 microcontrollers which equipped with data input from the push button, LCD to display character output, ISD2560 to output sound, and a timer taken from DS1307 RTC. This research is a Research or Development (R & D) research. This research is carried out through two stages of design. The first stage is the stage of hardware design. The second stage is the stage of software design. Programs are made using the Basic programming language using the Bascom-AVR application. The results of the product were tested using the black box method with two stages. In the first stage, software testing uses a series of simulations on the Proteus 7 Professional application. The second stage, testing hardware.
Detection of Development and Density Urban Build-Up Area with Satellite Image Overlay Muhammad Rais Abidin; Amal Arfan
International Journal of Environment, Engineering and Education Vol 1 No 2 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i2.12

Abstract

The growth dynamics of urban areas and the increase in land requirements are a series of each other influence each other The method used in this study is a quantitative method through spatial analysis using Geographic Information Systems. The purpose of this study was to see the extent to which the development of urban areas using the Urban Index (UI) method. Data analysis carried out by overlapping techniques using a map of the built area of Land Use in 2013 and the results of image interpretation for the built area in 2017. The results of the study showed that there was a percentage increase in the built area from 2013 to 2017 of 12.67%. Then from the total area of Makassar City, around 60.72% of the area built in 2013, and there was a significant increase in 2017 to 76.30%. The process of expansion of built-up land without control often impacts on the loss of land that has ecological functions and then impacts on the emergence of environmental problems. One of the things that can be done to prevent the adverse effects of the development of built land is to monitor and predict its development so that solutions can found before the adverse effects occur.
The Impact of Using the Internet for Learning for Students with Technology Acceptance Model (TAM) Dominique Garcia O’Dell; Tri Sulastri
International Journal of Environment, Engineering and Education Vol 1 No 2 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i2.13

Abstract

The development of the internet can provide convenience to humans in general, and students as one of the educational academics can provide changes in their life processes. The technique used in this study is Generalized Least Squares (GLS), which is proxied by using asymptotic covariance matrix data. The purpose of the study is to analyze the impact of the use of technology, in this case, is the internet in the learning process carried out by students. There are four constructs used in the TAM research, namely Perceived Ease of Use, Perceived Usefulness, Attitude Toward Using, and Actual Technology Usage. The research has three indicators for each latent variable. In this case, the latent variables are four. Then it can conclude that the number of samples used is 120. The sampling technique in this study uses Nonprobability sampling. The research hypothesis will test by analysis of SEM (Structural Equation Model) with the IBM AMOS (Analysis of Moment Structure) Program. The technique for using Generalized Least Squares (GLS), which is proxied by using the asymptotic covariance matrix data. From the results of the study, it found that this model has shown an overview of the aspects of the behavior of internet users that use for practical learning, where many users can efficiently operate the internet because it fits with what they need. Technology Acceptance Model (TAM) provides a reliable and straightforward explanation in accepting the technology and behavior of its users.
Comfort Temperature and Lighting Intensity: Ergonomics of Laboratory Room Machine Tools A. Muhammad Idkhan; Fiskia Rera Baharuddin
International Journal of Environment, Engineering and Education Vol 1 No 2 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i2.15

Abstract

Laboratories that meet ergonomic standards will support the learning process, both academically and technically, to facilitate the growth and development of skills. This study aims to uncover and provide an overview and information about laboratory ergonomics standards which include thermal comfort (temperature), workspace laboratory lighting. This study uses a quantitative approach with a survey method carried out in the Machine Tool Unit Laboratory of the Department of Mechanical Engineering Education with a population of 60 students who are carrying out practicum. Techniques using direct observation and measurement. Lux Meter to measure lighting and then Digital Thermometer which functions to measure temperature at the observation point in the laboratory. Data collection starting at 07.00 until 12.00 and in the afternoon starting from 13.00 to 16.00, which is the time to do work activities. Measurements made at ten observation points the results showed that; (1) thermal comfort (temperature) with a value of 30.44 degrees Celsius, while the ideal practical standard ranges from 24 – 27 degrees Celsius; (2) Lighting with a value of 422.14 Lux while the ideal practice standard ranges from 500 – 1000 Lux. These results indicate that there is a tendency for temperature and lighting in laboratory rooms under conditions that are less than the standard set. To increase work productivity, these factors can cause less concentration and stress at work.
Homogeneous Image Compression Techniques with the Shannon-Fano Algorithm Fathahillah Fathahillah; Satria Gunawan Zain; Rismawati Rismawati
International Journal of Environment, Engineering and Education Vol 1 No 2 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i2.17

Abstract

Compression is a field that needed at this time where increasingly high-tech digital and computing makes it possible to process data in a size that is large enough like multimedia. Compression needed to keep pressing the storage media consumption of data and information stored on computer media. The Shannon-Fano compression algorithm is one of the well-known compression algorithms and is useful in saving data storage space. Shannon-Fano compression algorithms can be performed on text and digital images. In this study applying the Shannon-Fano method to homogeneous digital images using applications created with the MATLAB Program. The product of this research will be tested using several images taken using a webcam. The product tested to find out whether the coding used is correct or has errors. The product will be successful if it can reduce the size of the compressed image from the original image. Homogeneous images that have tested using the Shannon-Fano image compression application have an average compression ratio value of 52%. The size of the compression results reaches half of the original image. The Shannon-Fano compression algorithm detects the number of times that characters appear in each experiment, then the coding of the frequency of characters appearing in binary numbers.
The Role of Teachers in Awareness of Occupational Safety and Health (OSH) Vocational School Students Retyana Wahrini; Nuridayanti Nuridayanti; Elfira Makmur
International Journal of Environment, Engineering and Education Vol 1 No 3 (2019)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55151/ijeedu.v1i3.18

Abstract

This study aims to determine the effect of the role of the teacher and the occupational safety and health (OSH) climate on occupational safety and health increasing awareness in the electrical installation workshop of the Vocational High School. This research is an Ex-post Facto research. The population of the research is the XII grade students of Vocational High School 1 Sedayu Special Region of Yogyakarta with a total of 366 students and a sample of 188 students. The number of trials respondents 30 students. The sampling technique uses random sampling and data is taken using a questionnaire instrument. The validity of the questionnaire instruments done by item using analysis Product Moment correlation formula and reliability testing using the Cronbach Alpha. The results showed that (1) there is a positive and significant influence between the role of the teacher in occupational safety and health increasing awareness in the electrical installation workshop of vocational high school value 43.30 percent; (2) there is a positive and significant effect between the occupational safety and health climate on increasing occupational safety and health awareness in the electrical installation workshop of vocational high school value 43.40 percent; (3) there is a positive and significant influence between the role of teacher and occupational safety and health climate on occupational safety and health increasing awareness in the electrical installation workshop of vocational high school value 50.60 percent. The application of OSH will have an impact on increasing the productivity of the workforce and the company.

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