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Journal of Applied Science, Engineering, Technology, and Education

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Published by PT. Mattawang Mediatama Solution

ISSN : - EISSN : 26850591 DOI : https://doi.org/10.35877/454RI.asci1116

Core Subject : Science, Education, Engineering,

Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Other

Journal of Applied Science, Engineering, Technology, and Education (ASCI) is an international wide scope, peer-reviewed open access journal for the publication of original papers concerned with diverse aspects of science application, technology and engineering.

Arjuna Subject : Umum - Umum

Articles 285 Documents

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Preferences between Caesarean Section and Normal Vaginal Delivery among the reproductive women in Bangladesh Md. Iftakhar Parvej; Mimma Tabassum; Nelufa Aktar
Journal of Applied Science, Engineering, Technology, and Education Vol. 3 No. 1 (2021)
Publisher : Yayasan Ahmar Cendekia Indonesia

Amount of death due to pregnancy are gradually decreasing worldwide, among all of these estimated deaths, one-fifth of the maternal death recorded in southern Asia. The increasing rate of caesarean section (CS) delivery and the improved safety of surgical skill are the big reason of reduced pregnancy related mortality rate. Bangladesh has the increasing CS rate on southern Asia. This study aimed to identify the different factors affecting the increasing rate of CS in Bangladesh This cross-sectional survey was conducted between January 2020 - March 2020 among the married women at reproductive age (15-49 years age) having at least one under five years child of Dhaka and Noakhali district in Bangladesh. A questionnaire was designed to survey the preference of their delivery mode. Bivariate logistic regression analysis was performed to identify the factors. A total of 357 Bangladeshi women participated in the survey and 55.7% declared they would prefer normal vaginal delivery (NVD) and 37.3% had no clear preference. The actual scenario was the overall CS rate was 51.8% during 2015-2019. But it was very high (77.8%) for the 40 years and above women. The study revealed several important factors that significantly affect the increasing rate of CS for childbirth. Maternal age, religion, current place of residence, working status, monthly household income, birth order, marital age and year of childbirth were found to have significant effect on the high rate of CS. All those who have had face CS at least once in our study faced various problem, they reported. Most of them was feeling tired to do little work and suffered long term back pain. This study will help policy makers in formulating appropriate programs to cope with this challenge efficiently and effectively. Some Special programs should be taken to increase the social awareness and values to save both mother and child, which may lead to decrease the rate of CS in Bangladesh.

The Enhancement in Mastery Abilities of Geometric Transformation Formulas Through Play Lucky Card Technique on the Students of Class VIII-2 at SMP Negeri 3 Barru, Indonesia Muhammad Talha
Journal of Applied Science, Engineering, Technology, and Education Vol. 3 No. 1 (2021)
Publisher : Yayasan Ahmar Cendekia Indonesia

The method used in this study was a classroom-based action research that aimed to improve students' mastery of the geometric transformation formulas through the Play Lucky Card technique. This study was conducted in class VIII.2 of SMP Negeri 3 Barru with 23 students. The results achieved after the study was carried out for two cycles were as follows: In the first cycle, there were 40.63% of students who had the ability to master the geometric transformation formulas in the sufficient category. Whereas in the classical results, it was found that the students' average score was 68.06 in the 54.6-64.5 interval or in the sufficient category. In the second cycle, there were 56.25% of students who had the ability to master the mathematical formulas in the high category, 28.13% of students had the ability to master the mathematical formulas in the very high category. From the results of the final evaluation of the second cycle, it was classically found that the students' average score was 76.75 in the 64.6-84.6 interval or in the high category. Based on the results of the final evaluation, the students of class VIII.2 had an absorption amounted to 86.75%, and other data showed that the students of class VIII.2 who scored > 65 (84.38%), were in the high and very high category. Thus, it can be concluded that there was an increase in the ability to master the geometric transformation formulas of class VIII.2 students at SMP Negeri 3 Barru after the implementation of Play Lucky Card technique, there was an increase in motivation and activeness as well as the presence of students following the mathematics learning process. This was reflected in the number (quantity) of students who raised their hands to work on the questions on the blackboard which tended to increase from one meeting to the next. Moreover, almost all students submitted every homework according to predetermined deadlines.

Analysis of Hot-Air Supplemented Solar Drying Using Computational Fluid Dynamics Technique Aduewa, Taiwo; Oyerinde, Ajiboye
Journal of Applied Science, Engineering, Technology, and Education Vol. 4 No. 1 (2022)
Publisher : PT Mattawang Mediatama Solution

Energy is a crucial input in the process of economic, social and industrial development of any nation. Fluctuating solar insolation and late sunrise hour has led to poor quality dried biological material production. A simulation of hot-air supplemented solar dryer (HSSD) designed for such purpose is presented for temperature distribution based on direct solar irradiation of 1423 W/m2 of Akure, Nigeria (5.304º Latitude 7.258º Longitude). The environmental conditions in the hybrid dryer were measured during a day of operation. The model of the dryer was created and a numerical model was established to allow replicating the internal environmental conditions of the dryer. The airflow, temperature, radiative heat flux and other parameters inside the HSSD system were simulated using computational fluid dynamics (CFD) approach. The simulated result was compared with the calculated and estimated parameter values for the HSSD. The simulated air-flow pattern and temperature distribution on the horizontal and vertical planes in the drying chamber were analyzed and the results revealed spatial homogeneity of drying air condition. However, there is higher velocity profile at the outlet vent due to buildup of hot air at outlet vent. There was relatively low interference of external temperature in the drying chamber.

The Influence of Concentration Chitosan of A Shell Snail to Lower Levels of BOD and COD on Waste Laundry Kasmudin, Karim; Fitria, Fitria; Artiningsih, A.
Journal of Applied Science, Engineering, Technology, and Education Vol. 4 No. 1 (2022)
Publisher : PT Mattawang Mediatama Solution

Disposal of laundry waste directly in the river is the cause of high river pollution. Laundry wastewater resulted in an increase in BOD and COD parameters so that it had a negative impact on ecosystem life. The coagulation process using chemicals can reduce BOD and COD parameters in wastewater but have negative effects on health. Chitosan from snail shells can be used as an alternative coagulant that is environmentally friendly because it contains about 70% - 80% chitin. This study aims to synthesize chitosan biocoagulants from snail shells and to test the effectiveness of snail shell chitosan in the treatment of laundry wastewater. Fourier Transform Infra-Red (FTIR) analysis showed that the deacetylation rate of chitosan obtained was 78.06%. Coagulation was carried out on wastewater using variable concentrations and stirring speed. The results showed that the optimum dose of snail shell chitosan biocoagulant was at a concentration of 0.4%. At this dose, the coagulant can bind to the most optimal contaminants so that it can reduce the BOD and COD values in laundry waste and the Fast Stirring Speed of 100 rpm is the optimum stirring speed because large speeds will produce excessive shear forces and prevent the desired floc arrangement.

Performance Testing and Optimization of DiTenun Website Arlinta Christy Barus; Sinambela, Eka Stephani; Purba, Ivani; Simatupang, Jhonathan; Marpaung, Monika; Pandjaitan, Nancy
Journal of Applied Science, Engineering, Technology, and Education Vol. 4 No. 1 (2022)
Publisher : PT Mattawang Mediatama Solution

DiTenun website is a web-based application developed to create new motifs or new weaving patterns. This website needs to have good performance so that it can be optimally used by the users. By understanding the importance of the information available on the DiTenun website, a performance testing is necessary. This performance test aims to verify specific system performance such as response time and service availability despite receiving a large number of requests. The performance analysis of the DiTenun website was carried out by spike testing using the Apache JMeter tool. In solving the problems and improving the performance of the DiTenun website, the researcher applied website optimization by utilizing the browser cache, activating gzip compression, and eliminating rendering – blocking resources. Evaluation of each solution was carried out by using a hypothesis test, namely using a paired sample t test. The result of the test showed that each solution that was implemented can be used to improve performance in the form of load time of the DiTenun website.

The Effect of Current and Time on Nut Spot Welding Process Towards Torque Test in Export Crate Construction Subroto, Hadi; Muslimin, M.; Tjahyono, Seto
Journal of Applied Science, Engineering, Technology, and Education Vol. 4 No. 1 (2022)
Publisher : PT Mattawang Mediatama Solution

The problem of loose spot welding nuts during knockdown is a problem, from the cost of replacing the loose spot welding nut and additional time to repair damage that can reduce productivity. To increase the strength of spot welding, it is necessary to test with certain variables, namely the spot welding process with five variables 25A, 30A, 40A, 50A, and 60A, five time variables 0.5 seconds, 1.0 seconds, 1.5 seconds, 2.0 seconds and 2.5 seconds. Each of 30 samples of each variable were tested for destructive torque with a digital torque wrench to get a precise torque value and SEM photos to determine the HAZ of the spot welding process. The results obtained from this study are to determine the effective value of each variable so as to increase the efficiency of repair costs in terms of goods and time due to the release of nut spot welding. Tests are carried out to increase productivity in terms of time and cost efficiency as well as to find out the science in examining the effect of current and time variables in the spot welding process.

Level Analysis of Palangka Raya University Building Damage Lisa Wati; Puspasari, Veronika Happy; Gawei, Apria Brita Pandohop
Journal of Applied Science, Engineering, Technology, and Education Vol. 4 No. 1 (2022)
Publisher : PT Mattawang Mediatama Solution

The lecture building is the same building as the building in general, namely a building made of wood or concrete construction. During its operation, the potential for damage to an old building or a relatively newly constructed building is very large. There is no data on damage at the University of Palangka Raya that has caused a decrease in the level of productivity of activities carried out by building owners or users so that the condition of the college building is not well maintained. This research was conducted by conducting a survey of filling out the form in the building of the first lecture building of the Faculty of Economics and Business, University of Palangka Raya. The survey form was analyzed further, 3 categories of component types emerged, namely Architectural: Foundations, Sloof, Columns, Ring Balk, Walls, and Roof Frames, Architectural: Roofs, Ceilings, Floors, Locks, Frames and Leaves, as well as Painting, Utilities: MCK, and Electrical: Electric. The analysis used is descriptive analysis. The results of this analysis show that 3 components, which have a percentage damage of 0.5% of keys, 0.7% of frames and leaves, and 7.37% of painting, with a total of 8.6% fall into the category of damage levels, namely lightly damaged, with a budget of Rp. 759.736.00 for keys, Rp. 3,495.992.39 for frames and leaves, and Rp. 106.463.066.64 for painting, with a total cost of damage of Rp. 110,718,795.02. This research is useful for managers and further research can be a reference in improving the quality of the building.

Application of Function Analysis using Function Analysis System Technique (FAST) Diagram on Taman Sari Apartment Construction Project I Gede Angga Diputera
Journal of Applied Science, Engineering, Technology, and Education Vol. 4 No. 1 (2022)
Publisher : PT Mattawang Mediatama Solution

Construction projects require costs as a very important element in their implementation. There are several alternative methods that can be used as a rationale for conducting studies on cost savings. One of the alternatives that can be used for savings by eliminating unnecessary costs so that the value of the project can be reduced is Value Engineering (value engineering). One of the important stages in VE is the analysis of functions whose purpose is to identify the functions that are most beneficial for the study of VE. The method used in the analysis of this function is the Function Analysis System Technique (FAST) Diagram with the aim of defining the function of each work item analyzed and can review the basic functions that are used as guidelines in the selection of alternative designs for cost savings. In the Taman Sari Apartment construction project, a function analysis was carried out on high-value work items, namely structural work, frame work, door and window leaves, wall work, floor work and roof covering work. On the work of the structure identified the basic function of the work of the structure is to plan an alternative design with outputs in order to obtain cost efficiency. Then in the work of the frame, door leaves and windows have the basic function of planning an alternative design with output to be able to provide space access. Wall work with basic functions as a room divider to provide comfort and privacy as the resulting output. In floor work with the basic function of closing the floor base and the output is to beautify the room. For roof covering work has a basic function by calculating the roof load and output to obtain cost efficiency. After the implementation of the functioning analysis stage, cost savings are carried out by identifying and reducing unnecessary costs without reducing the quality and function level of the project it self.

Information System Audit Using Framework Control Objectives for Information and Related Technology (Cobit) on Values Processing Application for Online Student at Senior High School 14 of Bandar Lampung (SMA Negeri 14 Bandar Lampung) Siti Zakiah
Journal of Applied Science, Engineering, Technology, and Education Vol. 4 No. 1 (2022)
Publisher : PT Mattawang Mediatama Solution

Senior High School 14 of BANDAR LAMPUNG is one of the Secondary Education that applies the use of information technology into the academic information system. The Secondary Education strategy plan in the development of information systems has not gone through the information system audit process so that the planning of the information system is not in line with the needs of the expected business process. To overcome this, it is necessary to have an academic information system audit to see the maturity level so as to produce an audit report that can be used as a recommendation in planning an academic information system in the future. An information system audit was conducted using the COBIT 4.1 framework on the DS11 domain. Data collection techniques through observation, interviews and questionnaires. The questionnaire used is a maturity level questionnaire while the maturity level questionnaire is used to measure the level of maturity of the information system for the current condition (as is) and the expected condition (to be). The results of the study concluded that the detailed control objective performance obtained from the expected maturity level (to be) questionnaire in the DS11 process as a whole was at level 4 or managed and measurable. Recommendations for planning solutions towards the expected level of maturity are carried out by defining remedial actions on the attributes of AC, PSP, TA, SE, RA and GSM

Selection Platform Music Service Cloud with Simple Multi-Attribute Rating Technique – User Service Application (SMART ALP) Rizki Bagaswara Putra; Setiawan, Bambang
Journal of Applied Science, Engineering, Technology, and Education Vol. 4 No. 1 (2022)
Publisher : PT Mattawang Mediatama Solution

SMART is a popular Multi-Criteria Decision Making (MCDM) method that helps make accurate decisions to solve problems and choose the best decision using a linear additive model to generate values for various alternatives. The SMART ALP used in this study is a development of the SMART method by providing three additional dimensions, application, service, and user, to emphasize the correlation with the corridors of the cloud music service platform. The object of research: (1) Apple Music, (2) Deezer, (3) iHeartRadio, (4) JOOX, (5) Melon, (6) NetEase Cloud Music, (7) Qobuz, (8) SoundCloud, (9) Spotify, (10) Tidal, (11) TuneIn, and (12) YouTube Music. Convenience criteria and playlist management with 60.4% (29 of 48 respondents) and 58.3% (28 of 48 respondents) responses, respectively. Performance criteria and simplicity with 66.7% (32 of 48 respondents) and 68.8% (33 of 48 respondents) responses, respectively. Music quality criteria with an answer of 93.8% (45 out of 48 respondents). The study results show that Spotify, YouTube Music, Joox, Apple Music, and SoundCloud are the five best cloud music service platforms with a total score of 8422 points, respectively, YouTube Music 6483 points, and Joox 3824 points, Apple Music 2039 points, and SoundCloud 1275. Points.

Page 18 of 29 | Total Record : 285

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Ansari Saleh Ahmar

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