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Journal for Technology and Science
Published by Antis Publisher
ISSN : -     EISSN : 30474337     DOI : https://doi.org/10.61796/ipteks.v1i1
Core Subject : Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering
The Journal for Technology and Science published by Antis Publisher eISSN 3047-4337 is a scholarly journal that focuses on original research articles in natural science and technology relevant to industries and communities in developing countries. Released annually in March, August, and November, it is inclusive of scientists, researchers, educators, and scholars. The journals scope encompasses various topics addressing current challenges encountered by industries, governments, and communities in developing nations. With a commitment to advancing knowledge and fostering innovation, The Journal for Technology and Science welcomes submissions that contribute to the advancement of science, technology, and their applications in addressing societal needs and promoting sustainable development in emerging economies
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 48 Documents
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TEST OF TIMBAL (Pb) CONTENT IN THE URINE OF CLEANING STAFF AT THE WASTE DISPOSAL PLACE BASED ON AGE BY METHODS OF ATOMIC ABSORPTION SPECTROFOTOMETER Wulandari, Retno; Hanum , Galuh Ratmana
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.156

Abstract

A pile of garbage produced by an increase in the needs of the community and can pollute the environment. Lead (Pb) is a heavy metal that is toxic from the air, which can have harmful effects for health. Cadmium (cd) is one of the metal contained in cigarettes tobacco that has a high toxicity properties. Lead (Pb) and Cadmium (Cd) can cause damage to the kidney system. Then the rest of the metabolism is excreted through the urine. This research is for to determine the level of lead (Pb) and cadmium (Cd) and relation between Lead (Pb) and Cadmium (Cd) in urine with the age of the janitor in the garbage dump. In this research, it uses the type of experimental research with 20 urine samples and conducted in March 2021 at the Laboratory of TLM Faculty of Health Sciences Muhhamdiyah Sidoarjo University and UIN Maulana Malik Ibrahim Malang. Data analysis methods use pearson correlation statistics. The results are measured using the AAS method for Timbal (Pb) below the limit 0.15 mg/L and Cadmium (Cd) below the limit 0.01 mg/L. The pearson correlation test of Timbal (Pb) and Cadmium (Cd )is sig. < 0.05, so Ha accepted and it said there was a relation between heavy metals in urine and age.
STUDY OF PROPERTIES CDS NANOCRYSTALLINE THIN FILM AS A PHOTODETECTOR Abdulelah , Haider; Shabeeb , Ghufran Mohammad
Journal for Technology and Science Vol. 1 No. 3 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i3.159

Abstract

It has been discussing the use of cadmium sulfide (CdS) as a material for photodetectors. CdS is a direct bandgap II-VI semiconductor with desirable properties for photodetectors, including high sensitivity, fast response time, and wide spectral range from ultraviolet to near-infrared. X-ray diffraction analysis confirmed the cubic crystal structure of the porous CdS thin film. Scanning electron microscopy revealed a porous morphology with macropores ranging from 200-300 nm in size. The performance of the porous CdS photodetector was evaluated. Under visible light illumination, the device generated a photocurrent of 16 nA, with response times of around 5 seconds for both the rising and falling edges of the light-induced current
PHYSICAL CHEMICAL CHARACTERISTICS OF JELLY CANDY HYDROXYAPATITE FROM YELLOWFIN TUNA FISH BONE WASTE (THUNNUS ALBACARES) izar, Shaflina; Faisal , Hendri; Khairunisah , Dinda; Nasution , Rizka Hasmi
Journal for Technology and Science Vol. 1 No. 3 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i3.165

Abstract

Introduction:  jelly candy is a soft-textured candy that is generally given to children with the aim of optimal growth and development with calcium. Hydroxyapatite content in the preparation of jelly candy can be achieved by using the addition of ingredients containing calcium that come from nature, one of which is by using yellowfin tuna fish bone meal as the main ingredient to increase the calcium content in  jelly candy. The aim of the research was to find out that hydroxyapatite from yellowfin tuna bones (Thunnus albacares) can be formulated in the form of jelly candy to determine the hydroxyapatite of yellowfin tuna bones (Thunnus albacares) contains calcium. The research method uses laboratory experimental research. The treatment in this research is a dosage formulation of jelly candy from the bones of yellowfin tuna (Thunnus albacares). The results showed that the higher the concentration of yellowfin tuna bone meal (Thunnus albacares) the higher the calcium levels. The conclusion of this research is that hydroxyapatite of yellowfin tuna bones (Thunnus albacares) can be formulated into dosage forms jelly candy. Yellowfin tuna bone hydroxyapatite (Thunnus albacares) contains calcium and the highest calcium content is in F3 (7%) with a value of 39.3%.
ENHANCING PVDF POLYMER PROPERTIES VIA VARIED BARIUM TITANATE MORPHOLOGIES AND SYNTHESIS TECHNIQUES: REVIEW Abdulelah, Haider; Sweah, Zainab J; Fouad, Firas; Modhi, Hussein
Journal for Technology and Science Vol. 1 No. 3 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i3.183

Abstract

Background: Polyvinylidene fluoride (PVDF) is widely utilized in electronic devices due to its piezoelectric properties, which can be enhanced through the incorporation of barium titanate (BT). However, the impact of various fabrication methods on the crystallinity and beta-phase content of PVDF/BT nanocomposites remains underexplored. Specific Background: Different manufacturing techniques, including 3D printing, electrospinning, solvent casting, and compression molding, influence the structural and functional properties of PVDF/BT composites. The crystallinity and beta-phase content of PVDF are critical for optimizing the dielectric and piezoelectric performance of these materials. Knowledge Gap: There is a lack of comprehensive studies comparing the effects of these fabrication techniques on the crystallinity and beta-phase enhancement of PVDF/BT composites, particularly concerning their dielectric, piezoelectric, and mechanical properties. Aims: This study aimed to investigate the impact of integrating BT into PVDF using various fabrication methods on the crystallinity and beta-phase formation. The goal was to determine how these modifications influence the material’s structural characteristics and, consequently, its electronic properties. Results: X-ray Diffraction (XRD) and Fourier-Transform Infrared Spectroscopy (FTIR) analyses revealed that 3D printing and electrospinning methods significantly enhanced the beta-phase content and crystallinity of PVDF/BT composites compared to solvent casting and compression molding. Scanning Electron Microscopy (SEM) confirmed improved morphological features in the PVDF matrix with these techniques. Novelty: This study provides new insights into how different fabrication methods can optimize the crystallinity and beta-phase of PVDF/BT nanocomposites, which are crucial for enhancing piezoelectric performance. Implications: The findings suggest that 3D printing and electrospinning are superior to traditional methods for fabricating PVDF/BT composites with enhanced piezoelectric properties. These results can guide the development of more efficient electronic devices by selecting appropriate fabrication techniques to achieve desired material properties.
GREEN PRODUCTIVITY TO INCREASE THE PRODUCTIVITY OF SUGARCANE FARMERS WITH COBB-DOUGLASS METHOD Marodiyah , Inggit
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.190

Abstract

Sugarcane is a crop that requires a number of processing steps from planting to harvesting. Green productivity is a viable option to increase the productivity and sustainability of sugarcane. Various planting methods, management strategies (fertilisation), insect/pest and disease management options as well as management of adverse climatic conditions and waste management that not only improve soil fertility and sugarcane productivity are environmentally friendly and safe for the environment. Productivity in the sugarcane farming environment requires improvement so that the sugarcane management process does not adversely affect the environment. The purpose of this study is to determine the factors that affect productivity and recommendations for improving green productivity. Cobb Douglass method to determine the factors in sugarcane farming that affect the sugarcane management process and green productivity is a strategy used to increase productivity and reduce the environmental impact of sugarcane fields. The results of this study found that the output elasticity value of sugarcane farm labour input symbolized (β) in the 2021-2022 period was smaller than the input of raw materials (α), which was 0.39 in units of million rupiah. Based on this, it can be concluded that the input that has the greatest influence on the productivity of sugarcane farmers is labour, as evidenced by the smallest elasticity value, which means that it has a large influence on productivity. So that to increase green productivity is to reduce the cost of expenditure on labour by maximising working time
ANALYSIS AND DESIGN OF ANDROID APPLICATIONS FOR PROCESSING CUSTOMER DATA IN PRINTING CV. SUMBER REZEKI Dohare, Meniada; Fauzi, Mohammad; Simanjuntak, Perlindungan
Journal for Technology and Science Vol. 1 No. 3 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i3.192

Abstract

General Background: CV. Sumber Rezeki, a printing company, currently processes customer orders manually, requiring customers to visit the shop and place orders face-to-face. This method is inefficient and inconvenient for both customers and administrators. Specific Background: There is a growing need for businesses to adopt digital systems to enhance customer service and streamline order processing. CV. Sumber Rezeki’s current system lacks the ability to handle customer data, item lists, and order reports efficiently, resulting in delays and miscommunication. Knowledge Gap: Despite the clear benefits of digital transformation in retail and service sectors, the implementation of such systems in small-to-medium-sized enterprises like CV. Sumber Rezeki has been limited. Aims: The aim of this research is to develop a system that improves customer service by simplifying and digitizing the ordering process, thereby making it faster and more efficient for both customers and the company’s administration. Results: The system design includes features for customer data management, item cataloging, and order tracking through a user-friendly interface. The software development employed a structured approach including system analysis, design, coding, testing (via black-box testing), and ongoing support. Novelty: This study introduces an order management system tailored for a small printing business, enabling customers to place orders remotely and allowing the business to manage these orders in real time. Implications: The implementation of this system increases operational efficiency, reduces face-to-face interaction requirements, and saves time for both customers and staff. Further research is needed to explore scalability and integration with other business processes, such as inventory management and customer feedback mechanisms.
EFFECT OF FISH PROTEIN HYDROLYSATE ON GROWTH, YIELD AND STORABILITY OF SOME FEMALE CUCUMBER HYBRIDS (Cucumis Sativus L) GROWN IN PLASTIC HOUSE IN BASRA Hassan , Mohammed Khazal; Al-Maliki , Abdul Hussein Qasim; Hamza, Hamza Abbas
Journal for Technology and Science Vol. 1 No. 3 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i3.200

Abstract

General Background: Cucumber (Cucumis sativus L.) is a widely cultivated vegetable, valued for its nutritional and economic significance. Specific Background: The application of biostimulants, such as fish protein hydrolysate, has gained attention for enhancing plant growth and yield. However, the impact of varying concentrations of fish protein hydrolysate on different cucumber hybrids remains underexplored. Knowledge Gap: Despite existing research on biostimulants, the specific effects of fish protein hydrolysate on hybrid cucumber performance, particularly in unheated plastic houses, are inadequately documented. Aims: This study aimed to evaluate the effects of different concentrations of fish protein hydrolysate on the growth and yield of three cucumber hybrids ("Super Faris," "Ballistic," and "Darina") during the winter agricultural season of 2023/2024. Results: Conducted in a randomized complete block design with six factorial treatments and three replicates, the results indicated that the "Darina" hybrid significantly outperformed the other hybrids in key growth parameters, including plant height, stem diameter, leaf count, fruit number, fruit weight, individual plant yield, total yield, and total dissolved solids. Additionally, concentrations of fish protein hydrolysate at 2 and 4 ml L-1 demonstrated significant benefits over control treatments for most vegetative and yield indicators, although no effect on vitamin C content was observed. Novelty: This study provides new insights into the synergistic effects of hybrid selection and biostimulant application in cucumber cultivation. Implications: The findings suggest that the strategic application of fish protein hydrolysate can enhance cucumber production, highlighting its potential as a sustainable agricultural practice to improve crop yield and quality.
IMPLEMENTATION OF SIX SIGMA AND KAIZEN TO IMPROVE THE QUALITY OF HEALTH PLASTER PRODUCTS IN THE COATING PROCESS Janah, Ragillia Fitri Nur; Wahyuni, Hana Catur
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.202

Abstract

General Background: Product quality control is essential to ensure consistent quality from the beginning to the end of the production process. Specific Background: PT. FGH faces significant quality challenges, specifically during the health plaster coating stage, which has resulted in numerous product defects. Knowledge Gap: Although previous research has applied Six Sigma for quality improvement, detailed studies on health plaster manufacturing using combined Six Sigma and 5S Kaizen methodologies remain limited. Aims: This study aims to assess the product defect rate at PT. FGH using the Six Sigma methodology, measure defect levels via the sigma level through Defect Per Million Opportunities (DPMO) conversion, and propose improvement strategies through 5S Kaizen. Results: Findings reveal a DPMO of 7,039.4959, with a sigma level of 3.96, indicating that while the process capability values for Cp and Cpk are 1.00, suggesting production aligns with specification limits, tighter monitoring is required. Notably, product defects are predominantly folding, perforated edges, and asymmetry, comprising 80% of defects and leading to financial losses of IDR 340,524,744 over a one-year period. Novelty: This study uniquely combines Six Sigma and 5S Kaizen in addressing specific defect types and sources, including mechanical and human factors, within the health plaster industry. Implications: By implementing targeted process improvements, this research contributes a practical framework for defect reduction and cost mitigation in production, supporting broader quality control efforts in similar manufacturing sectors.
RISK ANALYSIS IN SANDWICH PANEL PRODUCTION WITH THE INTEGRATION OF FMEA AND FTA METHODS Qur'ani , Nur Azmil; Wahyuni, Hana Catur
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.203

Abstract

General Background: Ensuring consistent product quality is crucial for maintaining competitive advantage, especially in manufacturing. PT. Starr Panel Industry, a company in the refrigeration sector, focuses on high-quality sandwich panels but experiences frequent defects in its production processes. Specific Background: Despite prioritizing premium raw materials, the company faces recurring product failures, particularly in the finishing phase, which affect production flow and on-time delivery. Knowledge Gap: Current quality assurance measures at PT. Starr Panel Industry lack a systematic approach to identifying and prioritizing the root causes of defects, hindering the development of targeted improvement strategies. Aims: This study aims to identify, analyze, and address potential failure modes and their root causes within the production processes, employing Failure Modes and Effects Analysis (FMEA) and Fault Tree Analysis (FTA). Results: The findings reveal that the finishing process has the highest Risk Priority Number (RPN) of 112, primarily due to insufficient adherence to standard operating procedures (SOPs) by the workforce. Novelty: The integration of FMEA and FTA provides a comprehensive failure analysis model, with FMEA ranking failure risks and FTA tracing them to foundational causes, offering a new dual-method approach to improve operational standards effectively. Implications: Implementing the proposed FMEA-FTA framework can significantly reduce product defects, improve quality consistency, and minimize delivery disruptions, especially in the critical finishing stage. Emphasizing SOP compliance across divisions, particularly in finishing, can lead to sustained quality improvements and enhanced operational efficiency in sandwich panel production.
ANALYSIS OF THE EFFECT OF BX 92, BX ULTIMAXX FUEL AND THEIR MIXTURES ON THE PERFORMANCE OF THE R15 MOTORCYCLE Afif , Muhammad Syauqi; Firdaus , Rachmat
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.204

Abstract

General Background: With the rapid advancement of automotive technology, especially motorbikes, fuel performance has become increasingly crucial in optimizing vehicle efficiency and meeting the demands of rising motorbike usage. Specific Background: Among commonly used fuels like BX 92 and BX Ultimaxx, the performance of different fuel types and combinations on power, torque, and specific fuel consumption (SFC) remains underexplored. Knowledge Gap: While various fuels are utilized, a detailed comparative analysis of motorbike performance using different fuels and blends, including ethanol mixes, is limited, particularly in the context of octane levels and engine power. Aims: This study aims to analyze motorbike performance differences when using BX 92, BX Ultimaxx, a 50:50 blend of BX 92 and BX Ultimaxx, and an 85:15 blend of BX 92 and ethanol, assessing power, torque, and SFC on an R15 motorbike using dynotest equipment. Results: The study found that higher octane levels yield improved power and torque, with BX Ultimaxx performing best in terms of power but consuming more fuel. BX 92 proved most efficient in fuel consumption but ranked lower in performance compared to BX Ultimaxx. The BX 92-BX Ultimaxx blend showed moderate improvements in power over BX 92 alone, while the BX 92-ethanol blend exhibited the lowest performance of all fuels tested. Novelty: This study provides a novel comparative framework for evaluating mixed fuel impacts on motorbike performance, particularly in utilizing ethanol as an alternative fuel component. Implications: These findings suggest that while higher-octane fuels enhance performance, fuel blending strategies could be optimized for specific outcomes, balancing efficiency with performance, thereby contributing to more sustainable fuel use in the automotive industry.

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