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INDONESIA
Jurnal Sains dan Teknologi
Published by Yayasan Literasi Sains Indonesia
ISSN : 28284992     EISSN : 28284984     DOI : https://doi.org/10.55123/insologi
Core Subject : Health, Science, Education, Agriculture, Engineering,
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Dentistry Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Veterinary
INSOLOGI (Jurnal Sains dan Teknologi) diterbitkan 6 (enam) kali dalam setahun, yaitu pada bulan Februari, April, Juni, Agustus, Oktober dan Desember oleh Yayasan Literasi Sains Indonesia. Jurnal INSOLOGI adalah jurnal yang dapat diakses secara terbuka bagi para Peneliti, Dosen dan Mahasiswa yang ingin mempublikasikan hasil penelitiannya pada bidang ilmu sains dan teknologi. Jurnal INSOLOGI juga merupakan wadah informasi berupa hasil penelitian, studi kepustakaan, gagasan, aplikasi teori dan kajian analisis kritis dibidang perkembangan sains dan teknologi yang meliputi bidang ilmu pengetahuan alam (biologi, kimia, dan fisika), matematika dan statistik, perikanan/kelautan, kesehatan dan farmasetika, pertanian (agribisnis dan agroteknologi), keteknikan (teknik sipil, mesin, arsitektur, lingkungan, dan pertambangan), pengembangan/desain miniatur/rancang bangun dan bidang ilmu lainnya yang relevan dengan penelitian sains dan teknologi.
Arjuna Subject : Matematika - Matematika Terapan
Articles 16 Documents
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Search results for , issue "Vol. 3 No. 3 (2024): Juni 2024" : 16 Documents clear
Analisis Kandungan Zat Besi pada Roti Tawar Subtitusi Tepung Sorgum Kartika Dewi Sukmawati; Eva Silviana Rahmawati; Dian Ayu Ainun Nafies
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3204

Abstract

Iron deficiency anemia is a hematological disease that is often found in pregnant women. This situation can certainly hinder the growth and development of the fetus in pregnant women. It can be said to be anemia if the number of red blood cells or hemoglobin is below the normal limit if the hemoglobin level is <14 g/dL in men and <12g/dL in women.  The aim of this research is to determine the effect of sorghum flour substitution on the iron content of white bread. This research used a True Experimental with Completely Randomized Design (CRD), 4 treatment levels and 6 replications. The treatment applied was the ratio of wheat flour: sorghum flour at P0 (100:0), P1 (30:70), P2 (20:80), P3 (10:90), respectively. The results showed an increase in iron levels in white bread substituted for sorghum flour. The higher the sorghum flour formulation added to white bread, the higher the iron content in the white bread.
Respon Pertumbuhan Dan Produksi Tanaman Jagung Manis (Zea Mays Saccharata Sturt) terhadap Pemberian Pupuk Kandang Sapi Di Kabupaten Merauke Lulu Febriani Bapaimu; Irba Djaja; Jefri Sembiring
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3415

Abstract

This research aims to analyze the response of cow manure to the growth and production of sweet corn plants. This research was conducted in May-July 2023 in Marga Mulya Village, Semangga District, Merauke Regency. This research used a randomized block design (RAK) consisting of treatments P0 (without fertilizer), P1 (fertilizer dose 20 tons/ha), P2 (fertilizer dose 25 tons/ha), P3 (fertilizer dose 30 tons/ha), and five repetitions to obtain 20 experimental units. The research results for the growth component treatment showed that plant height gave the highest results in treatment P3 (138 cm), leaf length in treatment P0 (121 cm), and leaf width in treatment P2 (8.14 cm). Meanwhile, the highest number of leaves was in the P2 treatment with (8.56 pieces), the longest cob length in the P2 treatment (19.56 cm), the highest number of rows/cobs in the P1 treatment (15.86 rows), the cob/sample weight in the P2 treatment with (204.04 g), the highest total weight/plot was in treatment P2 (1.48 kg). Providing cow manure has little effect on the growth and production of sweet corn plants in Merauke Regency.
Penggunaan Pseudosa japonica (Bambu Jepang) sebagai Sound Barrier Alami di Markas Militer Komando Pasukan Khusus Aziz Faza Hargiyanto; Euis Nurul Hidayah
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3452

Abstract

The development of the times will always be accompanied by an increase in population, so infrastructure and a comfortable place to live are needed. However, currently many residential areas are close to public facilities such as stations, highways, airports, and so on. This condition causes noise intensity. Noise intensity can cause health, psychological, communication and productivity problems. Noise is a source of anxiety or pollution, especially in big cities in Indonesia. So, efforts are needed to deal with this. One solution is a natural barrier using Japanese bamboo plants (Pseudosa japonica). Noise measurements are carried out based on the Decree of the Minister of the Environment Number 48 of 1996, namely in a simple way. This research aims to determine the effect of using noise dampening using Japanese bamboo plants and the factors that influence it From the measurements and tests that have been carried out, it is concluded that this barrier can have a significant influence on noise reduction. Noise has little effect on temperature and altitude. The reason is the position of the building is still higher than the position of the bamboo plants which serve as barriers. The highest Ls values ​​are found on Mondays and Saturdays because these 2 days are the start of community activities and the start of holidays. Based on these results, it is necessary to improve the source and arrangement of Japanese bamboo plants according to technical instructions.
Penurunan Debit Air Danau Dendam Tak Sudah untuk Irigasi Persawahan Setelah Perubahan Status Cagar Alam Menjadi Taman Wisata Alam Pico Pudiansa; Rokky Gumanti; Muhammad Melian; Reflis, Reflis; Satria Utama
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3477

Abstract

Dendam Tak Sudah is a lake located in the Bengkulu Province. It is situated in the Dusun Besar Village, Singaran Pati District, Bengkulu City, Bengkulu Province. The total area of Danau Dendam Tak Sudah is 559 hectares, with a surface area of 68 hectares. Since the issuance of Decree No. 79/MENLHK/SETJEN/PLA.2/1/2019 dated January 21, 2019, regarding the strengthening of the main function within the forest function of part of the DDB Nature Reserve area, it has been designated as a Nature Tourism Park in Bengkulu City, Bengkulu Province, covering an area of approximately 88 hectares. The status of the Danau Dendam Tak Sudah area, which was previously a Nature Reserve, has now changed to a Nature Tourism Park. The purpose of this study is to analyze and understand the impact of the downgrade of the status of part of the Danau Dendam Tak Sudah area, formerly a Nature Reserve, to a Nature Tourism Park on the water condition in Danau Dendam Tak Sudah and its relation to the reduction in water discharge for rice fields. The objective of this research is to provide solutions to the government's decision-making process, emphasizing the consideration of environmental aspects and the interests of farmers, in addition to promoting tourism in Bengkulu City.
Kajian Penggunaan Bakteri Bacillus subtilis dalam Penanganan Tumpahan Minyak Mentah Kusdini, Kusdini; Kastilon, Kastilon; Rokky Gumanti; Reflis, Reflis; Satria P Utama
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3483

Abstract

The global demand for energy is driving increased exploration, production and processing of crude oil, increasing the risk of oil spills during these processes and contaminating marine habitats and biota. As hazardous and toxic substances, oil spills require effective and comprehensive management. Bioremediation uses the metabolism of microbes to break down hydrocarbons and convert contaminants into harmless compounds. One species of hydrocarbon-degrading bacteria suitable for bioremediation is Bacillus subtilis. Its adaptability to changes in temperature, salinity, and oxygen levels, as well as its resistance to environmental stress, make it an ideal choice for bioremediation as a sustainable and efficient solution to oil pollution in marine ecosystems. This study aims to explore the potential use of Bacillus subtilis as an alternative for managing crude oil spills, particularly in Indonesian waters.
Pemetaan Sebaran Titik Hotspot Menggunakan Arcgis di Kota Banjarbaru Tahun 2019-2023 Ajeng, Ajeng; Rosalina Kumalawati; Nurlina, Nurlina; Inu Kencana Hadi
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3485

Abstract

Hotspot point mapping is mapping in which to find out which areas have the largest distribution of hotspot points and make it possible for these areas to be prone to fire, this research uses a literature study method. In processing the map the author used data from the Sipongi website (Early Detection Information System for Controlling Forest and Land Fires) to determine Hotspot points in Banjarbaru City and the data obtained was processed using Arcgis 10.8 software. Based on map results that have been processed with data for 2019-2023, Lianganggang District is the district with the most hotspots at 46 points. Mapping the distribution of hotspots is an important step in understanding forest and land fire patterns and identifying areas that are vulnerable to these events. There are several factors that allow forest fires to occur apart from human activities, other activities such as natural factors from the dry season can also cause forest and land fires. This research aims to map the distribution of hotspot points in Banjarbaru City during the period 2019 to 2023. Hotspot point data was obtained from remote sensing satellites which were then analyzed using GIS (Geographic Information System) techniques to produce a hotspot distribution map. It is hoped that future research can use more sophisticated technology to map the distribution of hotspot points over a certain period of time, and it is also hoped that the results of this research can be useful for local government agencies with an interest in handling forest and land fires.
Rancang Bangun Pengisian Tegangan Baterai Handphone (HP) Metoda Buck Konverter DC-DC Tipe FC75 Parlindungan Pandapotan Marpaung
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3496

Abstract

Mobile phone (HP) battery manufacturing specifications have a charging current capacity maximum parameter CAh(maks.) = 800 mAh and maximum voltage Vbat(max.) = 3.7 volts dc reduces to 2.02 volts dc requires recharging. In this research HP battery voltage was recharged using the FC75 dc-dc buck converter method, starting from a voltage of Vbat(initial) = 2.02 volts until the final battery voltage was charged at Vbat(final) = 3.713 volts. The HP battery charge voltage parameter Vch comes from the output voltage of the FC75 dc-dc buck converter the parameter Vo(conv.) is expressed as Vo(conv.) = Vch. The purpose of using the FC75 dc-dc buck converter is to electronically convert the lower Vo(conv.) charger voltage (buck) to the larger Vi(conv.) input voltage to control the HP battery charger output power equal to the input power. The results of the research on controlling the output power of the HP battery charger of Po(conv.) = Pi(conv.) = 0.579 watts, there was an increase in the final charger voltage Vokonv.(final) along with the increase in the final HP battery voltage Vbat(final) being charged. The increase in the final charger voltage reaches Vokonv.(final) = Vbat(final) = 3.713 volts, the final charger current becomes Ich(final) = 0.156 A and remains towards the HP battery during charging with a difference in the decrease in charger current towards the HP battery of ∆Ich = 0.009 A relatively small is still profitable, because it avoids back current to the charger voltage.
Studi Pengolahan Limbah Fly Ash Batubara dalam Upaya Peningkatan Konsentrasi Silika Menggunakan Asam Sitrat Chinara Abinawa; Alieftiyani Paramita Gobel
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3519

Abstract

The combustion of coal produces two types of waste, namely light ash (Fly Ash) and heavy ash (Bottom Ash). Fly ash is the waste generated by power plants, contributing to environmental pollution. According to data from the Ministry of Industry of the Republic of Indonesia in 2022, the current amount of fly ash and bottom ash in Indonesia continues to increase in line with the development and growth of the manufacturing industry as well as the increasing demand for electricity supplied by power plants. The combined fly ash and bottom ash generated from power plants alone in 2021 are estimated to reach 12 million tons, and it is projected to increase to 16.2 million tons by 2027. This poses a problem because the reused amount of fly ash and bottom ash is very small, necessitating the storage and/or landfilling of the remaining waste. The quantity of fly ash and bottom ash continues to grow without proper management, potentially contaminating the environment due to fine particles from coal combustion that become airborne. One way to utilize the silica contained in coal fly ash is through a hydrometallurgical extraction process. This process involves extracting metal compounds from ore using liquids such as acid. In the extraction process of silica from coal fly ash, pure citric acid is used as the extraction liquid. This process has several advantages compared to conventional processing methods, such as sintering or roasting, as it is more cost-effective, efficient, and environmentally friendly.
Perancangan Sistem Alarm Kebisingan untuk Kapal Penangkap Ikan Berbasis Arduino Uno dengan Sensor KY-037 Muhammad Romdonul Hakim; Anas Noor Firdaus; M Kamal Abdal Nasser
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3521

Abstract

Fishermen are highly susceptible to hearing impairment due to prolonged exposure to the high-intensity noise of boat engines. While numerous studies have investigated the noise intensity levels of boat engines, no research has been conducted on noise warning alarm systems for fishing boats. Therefore, this study aims to develop a sound noise alarm system based on Arduino Uno with a KY-037 sensor for fishing boats, which is expected to reduce the potential for hearing impairment among fishermen. This research employs a quantitative descriptive approach, with data collected through experimental methods and analyzed by comparing noise level data at various engine speeds. The results of the noise level measurements of boat engines at the Fish Landing Base (PPI) in Cikidang, Pangadaran Regency, indicate that the majority of fishermen are safe from hearing impairment due to engine noise, as most boats there are small, with a Gross Tonnage (GT) capacity of under 5 GT. The risk of hearing impairment emerges for boats with a capacity of 11 GT running at a maximum engine speed of 1600 rpm, producing noise levels up to 84 dB. Thus, it is recommended that crew members use earplugs.
Penerapan Metode AHC (Agglomerative Hierarchical Clustering) untuk Klasifikasi Habitat Bentik di Desa pengudang, Kabupaten Bintan Ulfatul Syahara; Esty Kurniawati; Mario Putra Suhana; Rika Anggraini; Falmi Yandri
INSOLOGI: Jurnal Sains dan Teknologi Vol. 3 No. 3 (2024): Juni 2024
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v3i3.3547

Abstract

Pengudang village is one of the villages located in Bintan Regency, Riau Islands Province which has a diverse marine ecosystem, in which there are various types of benthic habitat. This research aims to classify the benthic habitat in Pengudang Village and determine the diversity and characteristics of the bottom water substrate at the research location. This research was carried out on 10-11 June 2023 in Pengudang village with a total of 224 research points. This research uses data collection techniques using the random sampling method, then continues with data analysis using the AHC (agglomerative hierarchical clustering) method. The results of the research applying the AHC (agglomerative hierarchical clustering) method for the classification of benthic habitats resulted in six types of benthic habitats which, after being analyzed using the AHC method, resulted in seven habitat classifications that dominated all research points, the first class contained sand, dead coral and benthic habitat types. live coral, the second class is benthic habitat types of seagrass and sand, the third class is benthic habitat types of seagrass and sand, the fourth class is benthic habitat types of live coral, dead coral, seagrass, algae and sand, the fifth class is the type of habitat benthic live coral, dead coral, algae and sand, the sixth class of benthic habitat types of algae and sand, and the seventh class of benthic habitat types of live coral, dead coral and sand.

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