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Mirnawati Dewi, Mirnawati
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Evolusi Mikrostruktur Paduan Al 6061 Hasil Proses Canai Dingin Terhadap Sifat Mekanik Alhamidi, Ali; Fitrullah, M.; Dewi, Mirnawati
TEKNIKA Vol 12, No 1 (2016): Juni
Publisher : Fakultas Teknik Universitas Sultan Ageng Tirtayasa

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Abstract

Paduan Al 6061 diproses canai dengan reduksi 50%, 60% dan 70% selanjutnya di aging pada temperatur 2000C selama variasi waktu 1800, 3600, 5400, 7200 dan 10800 detik. Analisa microstruktur dan sifat mekanik dilakukan dengan optikal mikroskop dan Brinell Hardness Test (HBN). Bentuk mikrostrukutr menunjukan bahwa butiran memanjang setelah canai berubah menjadi berbentuk equaxial. Analisa XRD menunjukan hadirnya fase ke dua Mg2Si dan Al2FeSi nampak dalam peak XRD setelah canai dan aging. Hal ini nampak bahwa kekerasan meningkat dengan meningkatnya waktu aging dan menurun setelah aging selama 7200 detik. Nilai kekerasan tertinggi dicapai sebesar 121 HBN pada sampel yang direduksi 70% dan ading selama 7200 detik.Hal ini menjadi alasan bahwa kekerasan yang tinggi akibat hadirnya fraksi fase kedua setelah aging meningkat.
MENINGKATKAN HASIL BELAJAR MATEMATIKA MENGGUNAKAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) PADA SISWA KELAS VI UPTD SDN 136 INPRES BONTO TALLASA Dewi, Mirnawati; Kurnia, Rika; Lestari, Kiki Ayu
Global Journal Basic Education Vol 3 No 2 (2024): Mei
Publisher : Sains Global Institut, Indonesia

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Abstract

Mengatasi rendahnya hasil belajar dapat dilakukan dengan menerapkan model pembelajaran yang tepat. Adapun tujuan dari penelitian ini adalah untuk meningkatkan hasil belajar Matematika siswa kelas VI Sekolah Dasar dengan menerapkan model pembelajaran problem based learning. Metode penelitian yang diterapkan dalam penelitian ini yaitu penelitian tindakan kelas dengan teknik pengumpulan data berupa observasi pengamatan dan tes, teknik analisis data menggunakan perhitungan persentase. Hasil yang diperoleh pada siklus I di penelitian ini yaitu 64,29% yang mengindikasikan adanya permasalahan yang terjadi dalam proses pembelajaran, guru belum secara maksimal menerapkan model pembelajaran problem based learning dalam proses pembelajaran sehingga siswa masih merasa asing dengan penerapan model tersebut dan memperoleh hasil belajar dibawah KKTP atau <75 sehingga disimpulkan perlu dilanjutkan ke siklus II. Pada pelaksanaan siklus II guru sudah mampu memaksimalkan penggunaan model problem based learning dalam proses pembelajaran sehingga mampu membangkitkan semangat siswa dan membuat siswa terlibat aktif dalam diskusi maupun mandiri. Pada siklus II diperoleh peningkatan hasil belajar sebesar 82,14% dan dapat disimpulkan bahwa penerepan model problem based learning dapat meningkatkan hasil belajat Matematika siswa kelas VI di UPTD SDN 136 Inpres Bonto Tallasa.
Ekstrakurikuler Penggiat Sejarah di SMA Negeri 11 Banjarmasin Dewi, Mirnawati; Putro, Herry Porda Nugroho
Prabayaksa: Journal of History Education Vol 1, No 1 (2021): Prabayaksa: Journal of History Education (March)
Publisher : Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (696.4 KB) | DOI: 10.20527/prb.v1i1.3084

Abstract

This study discusses extracurricular activities for history activists at SMA Negeri 11 Banjarmasin. The limited subject matter taught in schools about local history in history subject makes students less aware of and familiar with the history of their own area. This study aims to describe the extracurricular activities of history activists at SMA Negeri 11 Banjarmasin. In this study used qualitative methods, in obtaining informations begins with interviews, observations and documentation which are used as research sources. There are two sources of data used in this study, namely primary data sources for coaches, student members of history activists, and secondary sources in the form data of data from schools. History activists extracurricular activities were formed as a place to channel the tallents of history activitiests whi focus on the introduction and knowledge of the local history of the South Kalimantan region.
IDENTIFICATION OF POTENTIAL CONTAINERS FOR AEDES LARVAE BREEDING IN DENGUE FEVER CONTROL AT PALANGKA RAYA UNIVERSITY Tuju, Fandi; Dewi, Mirnawati
PREPOTIF : JURNAL KESEHATAN MASYARAKAT Vol. 9 No. 1 (2025): APRIL 2025
Publisher : Universitas Pahlawan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/prepotif.v9i1.43621

Abstract

Wabah Demam Berdarah Dengue (DBD) masih menjadi masalah kesehatan masyarakat di Indonesia khususnya di Palangka Raya karena hingga saat ini masih di temukan kasus DBD. DBD ditularkan melalu gigitan nyamuk betina, sehingga mengidentifikasi tempat perindukan nyamuk sangatlah penting untuk menekan penularan penyakit ini. Habitat nyamuk memegang peranan penting dalam menentukan kepadatan larva, hingga perkembangan nyamuk dewasa. Penelitian ini bertujuan mengidentifikasi tempat perindukan larva nyamuk yang sering terabaikan. Penelitian ini bersifat observasional dan survei jentik dilakukan pada tujuh titik lokasi di area Universitas Palangka Raya pada tahun 2024. Hasil pengamatan menunjukkan bahwa beberapa tempat perindukan larva nyamuk yang sering diabaikan yaitu vas bunga, genangan air dan sampah wadah plastik. Jenis larva nyamuk yang di temukan yaitu Aedes aegypti dan Aedes albopictus, kedua nyamuk ini berperan pada penularan DBD. Wadah perkembangbiakan potensial yang ditemukan di lokasi penelitian menekankan bahwa pentingnya kepedulian dari setiap individu di permukiman dalam pengendalian vektor ini.
Penerapan Kecerdasan Buatan dalam Penelitian Demam Berdarah: Analisis Bibliometrik: Applying Artificial Intelligence in Dengue Fever Research: A Bibliometric Analysis Dewi, Mirnawati; Kristin, Jane
Jurnal Surya Medika (JSM) Vol. 11 No. 1 (2025): Jurnal Surya Medika (JSM)
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/jsm.v11i2.9755

Abstract

Nyamuk genus Aedes merupakan nyamuk yang berperan menularkan demam berdarah dengue (DBD). Penerapan teknologi melalui serangkaiaan proses komputasi telah dimanfaatkan untuk mencegah penyebaran dan memberantas DBD. Sehingga studi ini bertujuan menganalisis penelitian DBD dari tahun 2015 hingga Oktober 2024 melalui analisis teknologi bibliometrik. Pendekatan analisis data bibliometrik yang merupakan perkembangan penelitian dalam kecerdasan buatan (AI) yang mengidentifikasi dan mendeteksi penelitian kasus dengue secara otomatis. Perangkat lunak yang digunakan yaitu VOSviewer dan Publish or Perish (PoP) untuk mengeksplorasi tren publikasi. Sebanyak 200 artikel dianalisis, yang menunjukkan peningkatan penelitian dengue menggunakan teknologi komputasi dalam lima tahun terakhir. Studi ini menunjukkan pemrosesan dan visualisasi data bibliometrik yang efektif, memberikan wawasan mendalam tentang pola dan tren dalam penelitian dengue. Hasil studi ini pula menunjukkan metode kecerdasan buatan yaitu deep learning pada penelitian dengue masih sedikit yang mencerminkan fokus utama dalam penelitian dengue kedepannya. Sehingga memberikan kontribusi yang signifikan terhadap upaya global untuk mengendalikan dan memberantas penyakit ini, khususnya di Indonesia.
PENGENALAN BIOEKOLOGI VEKTOR DAN BINATANG PEMBAWA PENYAKIT SEBAGAI UPAYA MEWUJUDKAN MANDIRI KESEHATAN DI LKSA/PANTI ASUHAN DARUL TAZKIYAH PALANGKA RAYA MANDIRI KESEHATAN Dewi, Mirnawati; Tuju, Fandi; Mustika, Maya; Kalalinggi, Septaria Yolan
Jurnal Abdi Insani Vol 11 No 4 (2024): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v11i4.1946

Abstract

Vector-borne diseases are a diversified group of diseases, caused by various pathogens transmitted by rats and arthropod vectors, such as mosquitoes, ticks, and flies. Previous research shows that cases of infectious diseases in Islamic boarding schools/orphanages are found, including dengue, scabies and pediculosis. Some Islamic boarding schools have poor environmental conditions, including toilets, damp and closed dormitories, poor ventilation and lighting, and poor environmental sanitation. Student behavior towards cleanliness and maintaining health is considered to be lacking. Through this service, it is hoped that residents at LKSA/Panti Asuhan Darul Tazkiyah can maintain personal cleanliness and residence so as to reduce the population of vectors and disease-carrying animals in the settlement. The activity was carried out through the method of socialization and two-way discussion. Scouts were given at the beginning of the activity to measure the level of knowledge of participants about vectors and disease-carrying animals. The results of the questionnaire showed that 94% of the participants did not have knowledge about the bioecology of vectors and disease-carrying animals. After the socialization and discussion stage, it can be concluded that participants understand the bioecology of each type of vector (flies, cockroaches, mosquitoes) and disease-carrying animals (rats).
The Potential of Hanjuang Merah (Cordyline fruticose) Antibacterial Liquid Body Wash Rahayu, Emy; Rahmanina, Lilih; Pasaribu, Tupaida; Maulida, Maulida; Dewi, Mirnawati
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.499-506

Abstract

The skin is the outermost layer of tissue that has the function of covering and protecting the surface of the human body. Unhygienic skin will trigger skin infections caused by various microorganisms. One of them is bacteria. Hanjuang merah (Cordyline fruticosa) is a type of plant that is often used as a traditional medicine, especially for the Dayak community. However, research on the use of the Cordyline fruticosa plant in producing liquid body wash formulations that are efficacious as antibacterial against Staphylococcus aureus has not been carried out so far. The purpose of this study is to identify the potential of Cordyline fruticosa as a formulation of liquid body wash formulations and to find the effectiveness of Cordyline fruticosa in inhibiting infections caused by S. aureus bacteria made in the form of liquid body wash. The method used in the extraction is maceration and the manufacture of liquid body wash according to the formulation that has been made, while the disc diffusion method with concentrations of 5% (F1), 10% (F2), and 15% (F3) is used in antibacterial tests. Liquid body wash preparations with the largest inhibitory zone level at a concentration of 15% (F3). The concentration of 15% (F3) is effective in inhibiting the growth of S. aureus bacteria which is characterized by the formation of an inhibition zone around the disk.
The Implementation of Hadrah Art Extracurricular Program to Enhance Qur’anic Learning Motivation among TPA Students in Lampung Wibowo, Wahyu Hadi; Dewi, Mirnawati
Episteme: Jurnal Kajian Mahasiswa Vol. 1 No. 2 (2025): Episteme: Jurnal Kajian Mahasiswa
Publisher : Sekolah Tinggi Ilmu Tarbiyah Bustanul Ulum Lampung Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62448/episteme.v1i2.172

Abstract

Many children today face difficulties in learning the Quran, mainly due to a lack of interest, which hampers knowledge retention. Interest is crucial in the learning process, and without it, students struggle to absorb information. To address this issue, Raudlatul 'Ulum Al-Qur'an Education Park implemented an extracurricular program to foster greater engagement and enthusiasm for learning. This research investigates the background, implementation, and impact of these activities. Using a qualitative case study approach, data were collected through observations, interviews, and documentation. The findings reveal that extracurricular activities, held on weekends and in line with the institution’s mission, effectively increased students’ interest in learning. This resulted in greater enthusiasm and diligence, helping students overcome initial boredom and laziness, while improving their Quran recitation and learning experience.
KEMAMPUAN OLAH TUBUH MAHASISWA PRODI PENDIDIKAN TARI UNIVERSITAS LAMPUNG BERDASARKAN INDEKS MASSA TUBUH Dewi, Mirnawati; Lestari, Goesthy Ayu Mariana Devi; Wendhaningsih, Susi
Jurnal Seni dan Pembelajaran Vol 13, No 2 (2025): Jurnal Seni dan Pembelajaran
Publisher : Jurnal Seni dan Pembelajaran

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Abstract

AbstractThis study aims to determine the physical movement ability of students in the Dance Education Study Program based on Body Mass Index (BMI). The data used in this research is primary data collected from students of the Dance Education Study Program at the University of Lampung from the 2021 and 2023 cohorts, with a total sample of 24 students. The approach used in this study is descriptive quantitative, which aims to process and analyze the data obtained from the research subjects. Data collection was conducted through BMI measurements, practical tests on 12 lifting techniques, and interviews. The analysis technique employed is descriptive statistics using mean calculations to comprehensively describe the results.The findings indicate that students classified as overweight had an average score of 51.1 with a grade of D, which falls into the low category. Students classified as underweight obtained an average score of 64 with a grade of C+, which is categorized as moderate. Meanwhile, students with a normal BMI achieved an average score of 69.1 with a grade of B, which is considered high. This study provides insights into the relationship between BMI and students' physical movement abilities in the dance education program, serving as an evaluation and development reference for improving the quality of body movement courses in the future.Keywords: physical movement ability, students, body mass index.
PENINGKATAN PENGETAHUAN DAN KETERAMPILAN PEMBUATAN OLAHAN SEMANGKA PADA KELOMPOK TANI PELANGI NUSANTARA Tuju, Fandi; Dewi, Mirnawati; Hamzah, Pratiwi; Sari, Fatma Puspita; Pangestu, Reyyo; Maulidya, Yova; Lasari, Reysha Mei; Purba, Ella Afrida
COMMUNITY : Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 2 (2025)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/community.v5i2.7164

Abstract

Anjir Pulang Pisau Village is one of the villages located in Kahayan Hilir District, Pulang Pisau Regency, Central Kalimantan. The village covers an area of 110 hectares, with a watermelon production of 294 tons from 10.5 hectares of cultivated land. One of the farmer groups partnering in this community service program is the Pelangi Nusantara Farmer Group. The program focuses on developing the watermelon agroindustry by empowering farmer groups to process watermelons that are unsuitable for sale due to size and shape. Both the flesh and rind of watermelons can be processed into various consumable products with economic value, ensuring zero waste utilization, as every part of the fruit can be utilized. The implementation method of this community service consists of two stages: socialization and assistance in watermelon processing. The results of the questionnaire showed positive improvements across several aspects after the presentation. Participants became more aware and knowledgeable that watermelon-based products are not limited to the flesh, but all parts of the fruit can be processed into nutritious food products. They also expressed willingness to consume the processed products and showed high enthusiasm to participate in watermelon processing activities after learning about the safety and nutritional content of both the flesh and rind. The assistance activities provided the Pelangi Nusantara Farmer Group with an opportunity to gain hands-on experience in processing watermelons, from harvesting to packaging, resulting in five types of processed products. These stages of the community service program serve as the initial step toward developing watermelon-based products for the community of Anjir Pulang Pisau Village, particularly for the Pelangi Nusantara Farmer Group. ABSTRAKDesa Anjir Pulang Pisau merupakan salah satu desa yang terletak di Kecamatan Kahayan Hilir, Kabupaten Pulang Pisau, Kalimantan Tengah. Desa ini memiliki luar lahan sebesar 110 hektar dengan jumlah produksi buah semangka sebanyak 294 ton untuk luas lahan 10,5 hektar. Salah satu kelompok tani yang menjadi mitra dalam kegiatan pengabdian ini adalah Kelompok Tani Pelangi Nusantara. Program pengabdian difokuskan pada pengembangan agroindustri semangka melalui pemberdayaan kelompok tani semangka untuk mengolah semangka yang tidak layak jual (ukuran dan bentuk semangka). Buah dan kulit semangka  dapat diolah menjadi beberapa produk konsumsi dan bernilai ekonomis sehingga tidak menghasilkan limbah karena semua bagian semangka dapat diolah. Metode pelaksanaan dalam pengabdian ini dilaksanakan dalam 2 tahap yaitu sosialisasi dan pendampingan pembuatan olahan semangka. Hasil pengisian kuesioner menunjukkan peningkatan yang positif dari beberapa aspek setelah pemaparan materi. Peserta menjadi lebih sadar dan tahu bahwa olahan semangka bukan hanya berasal dari dagingnya saja tetapi semua bagian semangka dapat diolah menjadi produk olahan bergizi. Peserta juga bersedia untuk mengonsumsi olahan produk dalam kegiatan ini serta memiliki antusias tinggi untuk ikut dalam kegiatan pengolahan buah semangka setelah mengetahui seberapa aman olahan semangka dan kandungan gizi dalam buah dan kulit semangka. Pendampingan pengolahan semangka menjadi ajang bagi Kelompok Tani Pelangi Nusantara untuk praktik langsung pengolahan semangka sampai pada proses pengemasan yang terdiri dari 5 jenis produk olahan. Tahapan kegiatan pengabdian ini menjadi langkah awal usaha produk olahan semangka masyarakat Desa Anjir Pulang Pisau khususnya Kelompok Tani Pelangi Nusantara.
Co-Authors Adriyan Saputra Ali Alhamidi, Ali Fandi Tuju Fandi Tuju Gani, Raden Hamzah, Pratiwi Haq, Muhammad Hery Porda Nugroho Putro Hulfiani, Siti Kalalinggi, Septaria Yolan Kristin, Jane La Sarido, La Lasari, Reysha Mei Lestari, Goesthy Ayu Mariana Devi Lestari, Kiki Ayu M. Fitrullah, M. Maharani, Dewi Maulida, Maulida Maulidya, Yova Mustika, Maya Pangestu, Reyyo Pasaribu, Tupaida Purba, Ella Afrida Rahayu, Emy Rahmanina, Lilih Ramadhani, Muhamad Ramadhani, Muhammad Rika Kurnia Rudi Rudi Safitri, Dita Sari, Fatma Puspita Sujakti, I Susi Wendhaningsih Wibowo, Wahyu Hadi Zalty, Rani