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Menampilkan 1–10 dari 14 artikel
Penerapan Integral Lipat Dua untuk Menghitung Volume Tiang Beton Berbentuk Tabung sebagai Dasar Estimasi Kebutuhan Material pada Struktur Pondasi Gedung
Alvi Sahrin Nasution
; Dear Sevtia Br Karo Karo
; Gracia Lovian Girsang
; Herdita Br. Ginting
; Klara Manila Laoli
; Windi Suryani
Pentagon : Jurnal Matematika dan Ilmu Pengetahuan Alam
Vol 3
, No 4
(2025)
This study examines the application of double integrals in calculating the volume of cylindrical concrete piles as a basis for estimating material requirements in building foundation structures. The volume calculation was carried out using a double-integral approach in polar coordinates for three pile segments with lengths of 4 m, 3.9 m, and 4 m, each having a diameter of 60 cm. The results were then validated using the standard geometric formula to ensure consistency and mathematical reliabilit...
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Employment Development Strategies to Support Economic Growth in North Sumatra
International Journal of Economics and Management Sciences
Vol 2
, No 3
(2025)
This study explores employment development strategies aimed at bolstering economic growth in North Sumatra Province using the Vector Autoregression (VAR) model and an eighteen-year time series dataset. The variables analyzed include the Human Development Index (HDI), total population, Gross Regional Domestic Product (GRDP), Labor Force Participation Rate (LFPR), and Open Unemployment Rate (OUR). The estimation results reveal dynamic interrelationships among these variables over short, medium, an...
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Implementation of PSAK 221 on Foreign Currency Transactions of PT Adaro Andalan Indonesia Tbk
International Journal of Economics, Management and Accounting
Vol 2
, No 2
(2025)
This research discusses the implementation of PSAK 221, which regulates the impact of foreign exchange rate changes on the financial statements of PT Adaro Andalan Indonesia Tbk, particularly related to foreign currency transactions. PSAK 221 establishes the methods for recording and reporting foreign currency transactions and recognizing exchange rate differences arising from exchange rate fluctuations. In the context of PT Adaro, which operates in the mining sector and frequently conducts inte...
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Estimasi Volume Air Waduk Lau Kawar Menggunakan Pendekatan Integral Volume Kulit Tabung
Rizka Nabila Damanik
; Grace Purba
; Klara Laoli
; Bobby Delon Togatorop
; Windy Suryani
; Suvriadi Panggabean
Algoritma : Jurnal Matematika, Ilmu pengetahuan Alam, Kebumian dan Angkasa
Vol 3
, No 3
(2025)
This study aims to estimate the water volume of Lau Kawar Reservoir using the cylindrical shell method of integral calculus. The reservoir is assumed to be a perfect cylinder with a radius of 564 meters and a depth of 8.45 meters. The volume is calculated using both the shell method and the standard analytical formula for cylinders. The result shows a water volume of 8,437,640.45 m³. Both methods produced identical results with an absolute error of 0.00 m³. This proves that the shell method is h...
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Etos Kerja Guru PAK sebagai Fondasi Pembentukan Karakter Siswa di SMPN 4 Tuhemberua, Nias Utara
Sabar : Jurnal Pendidikan Agama Kristen dan Katolik
Vol 2
, No 2
(2025)
This study aims to analyze the role of Christian Religious Education (PAK) teachers' work ethic in character building of students at SMP Negeri 4 Tuhemberua, North Nias Regency. The work ethic possessed by a teacher not only affects the quality of learning, but also has a significant impact on the formation of students' character, in terms of discipline, responsibility, and integrity. PAK teachers have a strategic role in instilling moral and spiritual values through role models and teachings...
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Gereja sebagai Tubuh Kristus : Menelusuri Sejarah, Makna dan Panggilan Kita dalam 1 Korintus 12:12-13
Sukacita : Jurnal Pendidikan Iman Kristen
Vol 2
, No 1
(2024)
This essay explores the idea that the church is the body of Christ, as stated in 1 Corinthians 12:12-13. Studying the church history, theological meaning, and calling contained in this text helps us understand how the various members of the church function as one body under the leadership of Christ as the Head. These different roles demonstrate the strong connection between our faith in Christ and the work of the Holy Spirit uniting believers into one living body. In addition, this essay discuss...
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Krisis Biodiversitas Perairan: Investigasi Solusi Berbasis Komunitas untuk Pemulihan Ekosistem Aquatik
Okniel Zebua
; Asokhiwa Zega
; Ratna Dewi Zebua
; Destriman Laoli
; Januari Dawolo
; Betzy Victor Telaumbanua
Manfish: Jurnal Ilmiah Perikanan dan Peternakan
Vol 2
, No 2
(2024)
Crisis aquatic biodiversity is a critical environmental issue, triggered by human activities such as overfishing, pollution, and climate change, which have serious impacts on the stability of ecosystems and the climate change, which has serious impacts on the stability of ecosystems and the livelihoods of coastal communities. livelihoods of coastal communities. This research aims to examine community-based solutions in restoring degraded aquatic ecosystems, with a focus on the integration of sus...
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Implementasi Teknologi Genetika Untuk Konservasi Spesies Laut Terancam: Tinjauan Literatur Tentang Metode dan Keberhasilan
Betzy Victor Telaumbanua
; Destriman Laoli
; Ratna Dewi Zebua
; Okniel Zebua
; Januari Dawolo
; Asokhiwa Zega
Manfish: Jurnal Ilmiah Perikanan dan Peternakan
Vol 2
, No 2
(2024)
The pace of global environmental change and the intensification of human activities have put significant pressure on marine ecosystems, threatening the sustainability of many species that are important both for ecosystems and the economies of coastal communities. In this context, this study aims to evaluate the application of genetic technologies in the conservation of endangered marine species, focusing on environmental DNA (eDNA) monitoring, CRISPR genetic engineering techniques and population...
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Manajemen Pemberian Pakan Pada Pembesaran Ikan Kakap Putih (Lates Calcarifer) di UD Marlisdin Desa Suka Jaya Kabupaten Simeulue
Zoologi: Jurnal Ilmu Peternakan, Ilmu Perikanan, Ilmu Kedokteran Hewan
Vol 2
, No 1
(2024)
This study aimed to evaluate the effect of three feeding methods-manual, automatic, and sensor-based-on the growth and feed efficiency of White Snapper (Lates calcarifer). The research was conducted from April to July 2024 in fish farming ponds in North Nias. The research method used was a field experiment with a complete randomized design (CRD) which was analyzed using ANOVA test to compare the significant effects of each feeding method. The results showed that the sensor-based feeding method p...
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Efektivitas Bahan Alami Sebagai Agen Antimikroba dalam Pengobatan Penyakit Ikan Air Tawar: Tinjauan Literatur
Destriman Laoli
; Nelvia Mai Susanti
; Rahmat Tillah
; Betzy Victor Telaumbanua
; Ratna Dewi Zebua
; Januari Dawolo
; Okniel Zebua
; Asokhiwa Zega
Zoologi: Jurnal Ilmu Peternakan, Ilmu Perikanan, Ilmu Kedokteran Hewan
Vol 2
, No 1
(2024)
This study evaluates the effectiveness of natural materials as antimicrobial agents in the treatment of freshwater fish diseases, with the aim of offering a safer and more sustainable alternative to synthetic chemicals and antibiotics. Using the literature review method, this study analyzed relevant current scientific articles. Results showed that extracts of betel leaf, neem leaf, cinnamon essential oil, basil essential oil, aloe vera, and propolis had significant antimicrobial activity against...
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