Issue
Vol. 23 No. 04 (2022): Eksakta: Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
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EKSAKTA: Berkala Ilmiah Bidang MIPA
October-December 2022
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
Modeling the Relationship of Net Atomic Charge with the Activity of 5-Aminopyrazole Derivative Compounds as Antioxidants with AM1 Method
This study was conducted to analyze the quantitative relationship between structure and net atomic charge modeling activity of 21 5-aminopyrazole derivatives as antioxidants. This study aims to determine the value of...Nagmah Putri Dinda Toni
,
Fajriah Azra
,
Mirella Fonda Maahury
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
Green Synthesis and Antibacterial Activity of Silver Nanoparticles using Turi (Sesbania grandiflora Lour) Leaf Extract
Research has been carried out on the ability of antibacterial activity with using Ag nanoparticles with a variation of the AgNO 3 mole ratio of 0.5 mM and 1.5 mM as much as 90 ml and the amount of turi leaf extract...Wilda Amananti
,
Aldi Budi Riyantal
,
Kusnadi Kusnadi
,
Kawther Ameen Muhammed Saeed Aledresi
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
Automatic Transfer Switch System Design on Solar Cell – Grid Hybrid Based on Android Application
The main source of electricity supply, namely PLN, greatly affects the supply of electricity and is not always continuous in its distribution. PLN power outages cause the distribution of human activities and...Washilla Audia
,
Yulkifli Yulkifli
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Mairizwan Mairizwan
,
Aditya Rinaldi
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
On the Metric Dimension for Snowflake Graph
The concept of metric dimension is derived from the resolving set of a graph, that is measure the diameter among vertices in a graph. For its usefulness in diverse fields, it is interesting to find the metric...Muhammad Rafif Fajri
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Luthfi Hadiyan Fajri
,
Jamaluddin Ashari
,
Abdurrahman Abdurrahman
,
Alifaziz Arsyad
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
Antioxidant Activities Extracts N-Hexane, Ethyl Acetate and Methanol of Limau Sundai (Citrus nobilis Lour) Peels
The Limau Sundai plant ( Citrus Nobilis Lour) is widely known in West Sumatra. The fruit of this plant is commonly consumed as a cooking spice. This antioxidant activity test research aims to find out the potential...Melindra Mulia
,
Mai Efdi
,
Afrizal Afrizal
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Niza Lian Pernadi
,
Devi Purnamasari
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
Shallot (Allium cepa Lour) Peels Snack Bar as Immunomodulator for Health Improvement in the Digital Era
The digital era has brought many changes, both positive and negative impacts. The challenges of this digital era cover various sectors, including the health sector. One of the effects is the radiation from...Sella Paramitha
,
Amalia Salsa Billah Firdausi
,
Siti Fadilla
,
Faza Saiqur Rahmah
,
Muhammad Abbas Ar-Riziq
,
Mayu Rahmayanti
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
Performance of Sediment Microbial Fuel Cell (SMFC) System using Carbon Fiber Electrodes
A microbial fuel cell (MFC) is a type of biological fuel cell that converts chemical energy stored in an organic mixture into electrical energy that further penetrates the catalytic reaction of microorganisms. The...Setianto Setianto
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Abdurrohman Abdurrohman
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Otong Nurhilal
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Nendi Suhendi
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Darmawan Hidayat
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
Characteristics of Mangium (Acacia mangium) Bark Extract with Some Extraction Time and Its Application to Cotton Fabric Dyeing
This study aims to determine the effect of extraction time on the characteristics of mangium bark extract and its application to cotton textile coloring. This study used a completely randomized design (CRD) with 5...Diana Sylvi
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Ismed Ismed
,
Sonia Merlin
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
The Impact of Chitosan and Tithonia Diversifolia Compost on the Growth and Yield of Peanut Plants (Arachis hypogaea L.)
This study aims to investigate the combined impact of Chitosan and Tithonia (Tithonia diversifolia) Compost on the Growth and Yield of Peanut Plants (Arachis hypogaea L.). A factorial randomized block design (RBD)...Zahanis Zahanis
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Widodo Haryoko
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Ira Fitri Rahmadani
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Devi Purnamasari
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EKSAKTA: Berkala Ilmiah Bidang MIPA 10
Implementation of Smart Lectures for Chemistry Teachers of the MGMP in Padang Panjang City
The Chemistry Teachers Working Group (MGMP) of Padang Panjang City serves as a forum for senior high school chemistry teachers in Padang Panjang to collaboratively develop their professional careers and scientific...Rahadian Zainul
,
Budhi Oktavia
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Dony Novaliendry
,
Amalia Putri Lubis
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Universitas Negeri Padang
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Swiss German University, Indonesia
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