82 hasil untuk "Muhammad Ikhwan"

Psychosocial determinants of adolescent romantic relationship in Malaysia: Social media use, pornography surfing, sexual and reproductive health knowledge, and depression

Mud Shukri, Muhammad Ikhwan; Baharom, Anisah

PLoS One · 2023 · Inggris · PubMed Central

It is socially natural that adolescents engage in romantic relationship. However, there are negative health implications when they are not properly monitored and guided. The engagement in unsafe sexual practices has been reported to cause various adverse health and social implications affecting…

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Internet-based physical activity promotion in the post pandemic era

Muhammad Ikhwan Zein

JKKI (Jurnal Kedokteran dan Kesehatan Indonesia), Pp 204-205 (2021) · 2021 · Inggris · DOAJ

No abstract

PENGARUH PERSONAL KNOWLEDGE DAN ORGANIZATIONAL LEARNING TERHADAP KINERJA PERSONAL ANGGOTA KOMUNITAS TANGAN DI ATAS SURABAYA

Muhammad Ikhwan Muslim Nur Robbi

Jurnal Performa, Vol. 3 No. 2 · 2018 · Indonesia · DOAJ

Pada era persaingan bebas saat ini diharapkan personal knowledge dan organizational learning dapat memberikan kontribusi yang baik bagi UMKM khususnya pada anggota komunitas bisnis TDA Surabaya yang rata-rata anggotanya adalah pengusaha. Metode sampling yang digunakan adalah metode sampel…

SISTEM KENDALI PROPORSIONAL, INTEGRAL, DAN DERIVATIF (PID) PADA PERSAMAAN PANAS

Muhammad Ikhwan; Said Munzir; Nurmaulidar .

Jurnal Natural, Vol. 16 No. 2 · 2016 · Inggris · DOAJ

This research showed the application of Proportional, Integral, and Derivative (PID) control system on heat equations that has non-integer ordered solutions on Laplace domain. Zala tuning method and Ziegler-Nichols method; which is ultimate cycle and process reaction method, are used to determine…

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AKTIVITAS ANTIBAKTERI DARI EKSTRAK DAN FRAKSI KULIT BUAH MUNDAR (Garcinia forbesii) PADA BAKTERI Escherichia coli DAN Pseudomonas aeruginosa

Khoerul Anwar; Muhammad Ikhwan Rizki

Farmasains, Vol. 10 No. 2 · 2023 · Inggris · DOAJ

Mundar (Garcinia forbesii) merupakan tanaman yang banyak terdapat di Kalimantan Selatan. Masyarakat menggunakan secara empiris kulit buah mundar untuk pengobatan. Penelitian ini bertujuan mengetahui kemampuan antibakteri ekstrak dan fraksi kulit buah G. forbesii terhadap bakteri Escherichia coli…

Self-esteem and stress: a structural equation modelling of biosocial determinants, psychological mediators and anxiety among Malaysian undergraduates

Mud Shukri, Muhammad Ikhwan; Baharom, Anisah; Mohd Nazan, Ahmad Iqmer Nashriq

PeerJ · 2025 · Inggris · PubMed Central

Anxiety is a widespread public health concern affecting youth worldwide, leading to significant functional and social disabilities, various negative social and financial consequences, and even suicidality. However, there is a lack of research examining the roles of self-esteem and stress in…

Prioritas konservasi lahan dan arahan programnya di Kelurahan Minas Jaya Provinsi Riau

Eno Suwarno; Hadinoto Hadinoto; Muhammad Ikhwan

Riau Journal of Empowerment, Vol. 1 No. 1 · 2018 · Indonesia · DOAJ

Minas Jaya is one of the villages adjacent to Sultan Syarif Hasyim Forest Park (Tahura SSH). Tahura SSH is one of the conservation areas in Riau Province which is currently in critical condition due to forest encroachment, illegal logging, forest fires and illegal land conversion. In order to…

Optimization of fuzzy entropy on solar panel’s motor

MUHAMMAD IKHWAN; MARWAN RAMLI; MARDLIJAH MARDLIJAH

Jurnal Natural, Vol. 22 No. 1 · 2022 · Inggris · DOAJ

Renewable energy has been in great demand by the public, even some countries have set regulations for substitution and transition from fossil energy to renewable energy. This study aims to modify the fuzzy control system with a metaheuristic method, namely fuzzy entropy. The entropy value of the…

Pemanfaatan Infografis Bagi Pengelola Wisata Alam Pulau Semut

Hanifah Ikhsani; Muhammad Ikhwan; Eno Suwarno

Lamahu, Vol. 3 No. 2 · 2024 · Indonesia · DOAJ

Infographics are a popular form of information today. Infographics use a visual concept approach combined with interesting illustrations because they combine data with colorful designs. Based on these advantages, infographics can be developed as an information and promotion medium for a nature…

STANDARDISASI BUAH CABE RAWIT HIYUNG (Capsicum frutescens L.) ASAL TAPIN KALIMANTAN SELATAN

Sutomo; Aulea Rahmawati; Muhammad Ikhwan Rizki

JIIS: Jurnal Ilmiah Ibnu Sina, Vol. 2 No. 2 · 2017 · Indonesia · DOAJ

Hiyung chili (Capsicum frutescens L.) is a type of local chili from Tapin, South Kalimantan. This research aims to know the parameter value of simplisia and extract of hiyung chili fruit. Standardization has been done by setting the value of specific and non-specific parameter simplisia and…

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POTENSI DARI EKSTRAK DAN FRAKSI KULIT BUAH MUNDAR (Garcinia forbesii) SEBAGAI TABIR SURYA BERDASARKAN NILAI SUN PROTECTION FACTOR (SPF)

Muhammad Ikhwan Rizki; Samsul Hadi; Lutfi Chabib

JIIS: Jurnal Ilmiah Ibnu Sina, Vol. 6 No. 2 · 2021 · Indonesia · DOAJ

Sinar UV dapat menyebabkan kerusakan kulit seperti hilangnya elastisitas kulit, kerutan, kendur, dan menyebabkan kanker kulit. Kalimantan Selatan sebagai daerah lahan basah terdiri atas lebih dari 4.000 spesies tumbuhan obat. Tumbuhan mundar (Garcinia forbesii) merupakan salah satu tumbuhan yang…

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The Contestation of the Narratives of "Change" versus "Sustainability" on the Instagram Accounts of Two 2024 Presidential Candidates

Indah Suryawati; Muhammad Ikhwan; Rachmi Kurnia Siregar

Nyimak: Journal of Communication, Vol. 9 No. 2 · 2025 · Indonesia · DOAJ

The implementation of the 2024 Presidential Election cannot be separated from the dynamics of the use of social media as a medium for political communication, and Instagram is one of the social media used to convey political messages to the public. In this study, these political messages are…

OPTIMAL CONTROL ON MATHEMATICAL MODEL OF MPOX DISEASE SPREAD

Putri Nabila Ikhsani; Tarmizi Usman; Muhammad Ikhwan

Barekeng, Vol. 19 No. 1 · 2025 · Inggris · DOAJ Scopus

The Global emergency related to mpox infection outside endemic areas occurred in 2022. The United States is one of the areas that has been significantly impacted by the mpox virus. To reduce the number of infection cases, it is essential to control the spread of the disease. This can be achieved…

Adaptive governance for tourism resilience under climate change: A systematic review of the literature (2015–2025)

Li, Ziming; Yang, Jie; Jamaludin, Muhammad Ikhwan

Modern Geográfia, Vol. 21 No. 3 · 2026 · Hungaria · DOAJ

Climate change poses escalating risks to tourism destinations by undermining climate-sensitive resources, disrupting socio-economic systems, and challenging existing governance arrangements. Although social-ecological resilience and adaptive governance have become prominent concepts in tourism…