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INDONESIA
Physical Sciences, Life Science and Engineering
Published by Indonesian Journal Publisher
ISSN : -     EISSN : 30319021     DOI : https://doi.org.10.47134/pslse
Core Subject : Humanities, Science, Social, Engineering,
Humanities Engineering Physics Social Sciences
Explore the Physical Sciences, Life Science and Engineering. This section accommodates research papers that aim to present the practical aspects of certain theoretical hypotheses reflected through empirical approach to problemsolving, systematic methodology that guarantee the validity of research results, expert opinions, sophisticated utilization of devices in a variety of field of studies such as in physics, geography and engineering. Focus and Scope: Remote Sensing, Chemistry, Cartography, Geographic Information Systems, Astrophysics, Nuclear Physics, Applied Physics, Geophysics, Applied Mathematics, Environmental Science, Geology, Astronomy, Earth, Science, Aerospace, Computer Science, Applied Engineering and Material Science.
Arjuna Subject : Ilmu Sosial - Ilmu Sosial (Lain-Lain)
Articles 53 Documents
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Pengaruh Perbedaan Jenis Lampu untuk Alat Tangkap Pukat Cincin (Purse Seine) terhadap Hasil Tangkapan Ikan Tongkol (Euthynnus Affinis) pada Perairan Selat Bali, Jembrana-Bali I Putu Sukadiyana; Saraswati, Exist; Yusrudin
Physical Sciences, Life Science and Engineering Vol. 1 No. 3 (2024): June
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v1i3.276

Abstract

Ikan pelagis merupakan salah satu ikan yang ditangkap dengan menggunakan alat tangkap purse seine atau pukat cincin. Alat ini dioperasikan dengan cara melingkari kawanan (schooling) ikan yang berada di dekat permukaan perairan. Penelitian ini dilaksanakan di Desa Pengambengan, Kabupaten Jembrana, Bali pada bulan November 2023 sampai dengan bulan Desember 2023. Maksud dari penelitian ini dilaksanakan adalah agar penulis dapat mengetahui perbedaan hasil tangkapan ikan tongkol dengan menggunakan jenis lampu yang berbeda. Adapun tujuan penelitian ini adalah untuk mengetahui perbedaan hasil tangkapan ikan tongkol dengan menggunakan jenis lampu yang berbeda. Data diambil dengan dua perlakuan dan enam belas (16) kali ulangan, sehingga terdapat 32 satuan percobaan yang selanjutnya didata dalam tabel sesuai dengan perlakuan masing-masing. Hasil penelitian yang didapatkan dari kedua perlakuan yaitu menggunakan lampu petromak sebesar 1.145 kg dan lampu merkuri sebesar 2.280 kg yang didominasi oleh ikan tongkol dengan persentase perbandingan lampu merkuri dengan lampu petromak adalah 67% berbanding 33%. Data dianalisis menggunakan uji t-Test dengan hasil nilai t stat > t kritis dengan P value < 0,01.
Biskuit Buckwheat-Sorgum: Kajian Proporsi terhadap Aktivitas Antioksidan, Fisikokimia, dan Organoleptik Chumairo, Zahrotul; Rosida, Dedin Finatsiyatull; Rahmawati
Physical Sciences, Life Science and Engineering Vol. 2 No. 1 (2024): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i1.301

Abstract

Penggunaan tepung Tartary Buckwheat dan tepung sorgum putih sebagai substituen tepung terigu di dalam pembuatan biskuit dapat menghasilkan produk fungsional baru yang tinggi aktivitas antioksidan. Tujuan penelitian ini adalah untuk mendapatkan biskuit terbaik dari segi fisikokimia, organoleptik, dan aktivitas antioksidannya. Penelitian diawali dengan membuat tepung Tartary Buckwheat serta melakukan analisis kimia. Desain penelitian biskuit menggunakan Rancangan Acak Lengkap (RAL) dengan 1 faktor berupa proporsi tepung Tartary Buckwheat dan tepung sorgum dengan 6 level (10:60, 20:50, 30:40, 40:30, 50:20, 60:10) sebanyak 3 kali ulangan. Data hasil analisis biskuit diolah menggunakan ANOVA pada taraf signifikansi 5% dan dilanjutkan dengan DMRT 5% bila faktor berpengaruh signifikan terhadap parameter. Biskuit dengan proporsi 50 g tepung Tartary Buckwheat dan 20 g tepung sorgum merupakan biskuit terbaik hasil pengambilan keputusan menggunakan uji indeks efektivitas metode DeGarmo yang memiliki kadar air sebesar 5,49%; abu 2,65%; protein 11,97%; lemak 19,12%; karbohidrat by difference 60,74%; daya patah 11,6 N; aktivitas antioksidan 88,92%; serta hedonik (skala 1-5) warna dengan nilai 3,64; aroma 3,72; tekstur 3,48; dan rasa 3,76.
CFD Analysis of Operation Variables Impact on Microwave-Assisted Water Heating Sulaiman, Muataz; Al-Salman, Ahmed Amer
Physical Sciences, Life Science and Engineering Vol. 2 No. 1 (2024): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i1.318

Abstract

Microwaves are the best technique for thermal sensitive materials processes performing high temperature with short time and less consumption of energy in addition to perfect control. Microwave heating technique has a faster heating rate compared to conventional heating methods. Microwave process consists QVF tube of 240 mm length and 17 mm internal diameter which located in the center of microwave oven (2.45GHz). The experiments involve the flow rate of the water is (2, 4, and 6) l/hr and the power of the oven are (500, 750, 1000, and 1250) W. The temperature of the water increased by increasing power of microwaves and reached 110 ˚C at 1250 W and 2 l/hr flowrate and it is increased with decreasing of flowrates. The experimental temperature measured by inferred camera. The temperature predicted by COMSOL are aligned closely at power 500 W and all flow rate. The results were analysed by COMSOL Multiphysics (v6.0).
Development of Fringe Image Processing Algorithms for Tomograpic Reconstruction of Temperature Field in an Axisymmetric Medium Khaleel, Ibtihal
Physical Sciences, Life Science and Engineering Vol. 2 No. 1 (2024): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i1.319

Abstract

This work is part of the development of algorithms and digital tools for the tomographic reconstruction of the (3D) temperature field from images resulting from thermal metrology based on two optical techniques (Moire deflectometry and holographic interferometry). It is intended not only for digital scientists and image processing specialists but also for researchers and practitioners in instrumentation and measurement by non-invasive techniques in general and in thermal metrology by optical techniques in particular  Tomography by optical techniques of axisymmetric transparent media, the main subject of application of this thesis, is a perfect example of an imaging system based on an elementary mathematical property (the Abel transform and its inverse in this case). This property comes up against in its practical application the hypersensitivity to noise and problems due to the intrinsic characteristics of this transform. However, the study of transparent media such as air in our case, which does not present any radiative, absorption or diffusion properties, makes the images resulting from optical techniques unusable only after a treatment which precedes the inverse calculation of the Abel transform. This treatment thus limiting the development of 3D imaging requires special attention. Furthermore, the tomographic reconstruction of the temperature field of such an environment will be done in two processing parts, the first of which will focus on the analysis of mud figures, while the second is dedicated to solving the inverse problem generated by the Abel transform.
Issues of Electricity Supply in the Water Industry Teaching Methodology Olimovich, Mirzayev
Physical Sciences, Life Science and Engineering Vol. 2 No. 1 (2024): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i1.320

Abstract

This article examines the methods used to educate energy supply difficulties in the water and agricultural industries, discusses new energy supply innovation technologies, and offers suggestions based on a comparison of domestic and international experience.
Review Perumusan Teori Kapasitas Panas Einstein-Debye Menggunakan Integral Lintasan Feynman Achmad, Arifin; Muflihatun; Fadli, Rizqi
Physical Sciences, Life Science and Engineering Vol. 2 No. 1 (2024): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i1.321

Abstract

Teori Einstein-Debye memberikan deskripsi mekanika kuantum tentang kalor jenis zat padat, khususnya pada suhu rendah. Secara tradisional, teori ini telah dirumuskan menggunakan kuantisasi mode getaran dalam kisi kristal. Dalam artikel ini, kami menyajikan formulasi teori Einstein-Debye dengan menggunakan integral lintasan Feynman. Formulasi ini memberikan gambaran yang lebih mendalam tentang mekanika statistik kuantum getaran kisi, yang menawarkan kerangka kerja terpadu untuk memperoleh kalor jenis zat padat. Dengan menggunakan integral lintasan, kami mengeksplorasi kontribusi berbagai mode getaran dan pengaruhnya terhadap sifat termodinamika zat padat, yang memberikan perspektif baru tentang model Einstein dan Debye dalam satu teori yang koheren.
A Theoretical Proposed Frameworks to Satisfied Sustainability in Iraq's Building Industry Altuma, Mohanad Ibrahim; Alrikabi , Azhar Abed Mohisen
Physical Sciences, Life Science and Engineering Vol. 2 No. 1 (2024): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i1.322

Abstract

The current research introduces a theoretical framework developed to integrate sustainability ideas into the construction sector. The suggested framework, established on the sustainable triple-bottom paragraph concept, encompasses resource preservation, expensive reduction, and planning that emphasizes the well-being. After conducting a comprehensive literature assessment, each concept related to strategies and methodologies applicable throughout the life cycle of construction projects is elucidated, accompanied by many case examples to illustrate the approaches. The framework will enable designers to achieve a suitable equilibrium among economic, cultural, and environmental considerations, transforming the mindset of construction practitioners regarding the information utilized in evaluating building projects, thus promoting the sustainability of the Iraqi construction industry.
Improvement Performance In Designing Of 5G Communication Based Millimeter Wave Antenna Saeed, Ali; Razzak, Audie; Hameed, Abbas
Physical Sciences, Life Science and Engineering Vol. 2 No. 2 (2025): March
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i2.333

Abstract

A critical aspect of the scientific process is the reporting Of new results in scientific journals in order to disseminate .That information to the larger community of scientists .Communication of your results contributes to the pool of Knowledge within your discipline (and others)and very Often provides information that helps others interpret .Their own experimental results .In this research paper .We discuss how to improve the performance evaluation and design in form of some review for the mathematical .Model and general shape dimensions of antenna .Consequently, high and width band wave with a good .Efficiency of transmitting .In antenna theory ,improving antenna gain is important to attain isotropic antenna ,antenna gain can be improved by the controlled behavior of frequencies ,beam forming and choosing the right antenna fabric. So that all depends on what mentioned above .hence ,the 5G networks ,antenna structuring and designing is an integral part of the communication system.
Bioremediation of Petrol Engine Oil Contaminated Soils With Pyoverdine From Pseudomonas Putida Ajjam, Sata
Physical Sciences, Life Science and Engineering Vol. 2 No. 2 (2025): March
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i2.334

Abstract

The poisoning of aquatic and subterranean habitats by petroleum and its compounds is one of the most alarming environmental issues. This work proposes the use of Pseudomonas spp. for the degrading treatment of petroleum engine oil. An isolated bacterial strain from soils affected by engine oil, Pseudomonas putida, was able to manufacture pyoverdine with a higher productivity level of 18.8%. With the use of Sepharose 4B activated with epichlorhydrin the pyoverdine was isolated. It eluted as two isoforms in two peaks. The degradation of gasoline engine oil with purified pyoverdine increased over time, reaching its maximum level after nine days. As time increased, the degradation level decreased, suggesting that using microbial products as biological alternatives could be a more economical and effective way to reduce pollutants and conserve natural resources.
New Nickel and Copper Complexes With Thiacalix[4]Arene Derivative Synthesis, Characterization and Catalytic Activity Al-Khafaji, Yahya; Alalwani, Thamer
Physical Sciences, Life Science and Engineering Vol. 2 No. 2 (2025): March
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i2.336

Abstract

The study investigates the synthesis and characterization of p-tert-butylthiacalix[4]arene derivative via interaction between p-tert-butylthiacalix[4]arene with two equivalent of 1-bromopropyl to form di-substituted thiacalix[4]arene ring. It is employed to prepare complexes with Ni(II) and Cu(II). The ligand and it is complexes were characterized using elemental analysis, infrared and proton nuclear resonance. Polymerization of cyclic esters was assisted via prepared complexes. The result shows capability of these compounds as catalyst for such reaction.

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