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Sofian, Sofian
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Integrasi Kurva Horizontal To Vertical Spectral Rasio (Hvsr) dan Kurva Eliptisitas Gelombang Rayleigh untuk Penentuan Indeks Kerentanan Seismik (Kg): Sains Sujabar, Sujabar; Adhi, M. Aryono; Muzli, Muzli; Sofian, Sofian; Fatoni, Iza
Jurnal Pendidikan Matematika : Judika Education Vol. 8 No. 5 (2025): Jurnal Pendidikan Matematika:Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/2dzgrb16

Abstract

This study aims to determine the seismic vulnerability index using microtremor data in Parigi City. A microtremor survey was conducted at 81 sites across the city. The data were analyzed to obtain the Horizontal to Vertical Spectral Ratio (HVSR) curve and the Rayleigh wave ellipticity curve. These two curves were combined to derive the dominant frequency (f₀) and amplification factor (A₀). The Rayleigh wave ellipticity curve was used to guide the determination of the dominant frequency (f₀) and amplification factor (A₀) on the HVSR curve. The results were then used to calculate the seismic vulnerability index (Kg). The peak of the Rayleigh wave ellipticity curve (Aₑₗₗ) can assist in identifying the dominant frequency (f₀), both when the A₀ peak is clearly visible (clear peak) and when there are multiple or unclear peaks. The use of Aₑₗₗ also helps refine the determination of A₀ values, yielding more stable results. The final mapping results show that the dominant frequency values range from 0.26 Hz to 2.9 Hz, the amplification factor ranges from 1.61 to 4.77, and the seismic vulnerability index ranges from 1.47 to 113.59. Conclusion, The integration of the HVSR curve and the Rayleigh wave ellipticity curve carried out in this study shows that both can be combined and complement each other.   Keywords: Dominant Frequency (f0), Amplification Factor (A0), Seismic Vulnerability Index (Kg), Rayleigh Wave Ellipticity Curve, Horizontal-to-Vertical Spectral Ratio (HVSR) Curve
Pemberdayaan Pokdakan Sekar Wangi: Pengolahan Limbah Ikan Nila Menjadi LaStik Hamka, Muhammad Subhan; Nafsiyah, Ikromatun; Rahmadiah, Triayu; Sofian, Sofian; Lestari, Siti
Jurnal Medika: Medika Vol. 4 No. 4 (2025)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/a0m7re86

Abstract

Kelompok Pembudidaya Ikan Sekar Wangi di Desa Kayu Manis, Kecamatan Selupu Rejang, Kabupaten Rejang Lebong menghadapi permasalahan penjualan ikan nila yang masih terbatas pada ikan segar dengan nilai ekonomi rendah dan fluktuatif, serta pemanfaatan limbah tulang dan kepala ikan yang belum optimal. Program pengabdian kepada masyarakat ini bertujuan meningkatkan keterampilan mitra dalam mengolah limbah ikan nila menjadi produk stik ikan bernilai ekonomi tinggi yang diberi nama LaStik. Metode pelaksanaan meliputi survei dan analisis kebutuhan, pelatihan teknik pengolahan dengan demonstrasi cara dan praktik langsung, serta monitoring dan evaluasi menggunakan kuesioner pre-test dan post-test. Hasil kegiatan menunjukkan peningkatan signifikan pada dimensi pengetahuan sebesar 71,6% dengan N-Gain 0,706 kategori tinggi dan dimensi keterampilan sebesar 29,2% dengan N-Gain 0,376 kategori sedang. Tingkat kepuasan peserta mencapai 79,2% persen dengan kategori puas. Dari 18 peserta pelatihan, 80% berhasil membuat produk LaStik dengan standar kualitas yang baik. Program ini berhasil meningkatkan nilai tambah hasil budidaya ikan nila dan membuka peluang ekonomi baru bagi kelompok pembudidaya.
Effect of Tamarind (Tamarindus indica) Solution at Different Concentrations on Lead Content of Smoked Catfish (Pangasius sp) Marsal, Doni; Nasyiruddin, Riya Liuhartana; Sofian, Sofian; Suryoprabowo, Steven; Sulieman, Abdellatief A.
Indonesian Journal of Health Research and Development Vol. 2 No. 2 (2024): Indonesian Journal of Health Research and Development (June)
Publisher : CV Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/ijhrd.v2i2.237

Abstract

This research aims to study the effect of soaking smoked catfish in tamarind solution at various concentrations on its heavy metal content. A completely randomized design with one treatment used in the study, and concentrations of tamarind solution with four treatment levels were applied namely: 0% (A0 or control), 5% (A1), 10% (A2) and 15% (A3), each treatment with three repetitions. The lead (Pb) analysis showed that the control smoked catfish (A0) contained 0.307µg/g of Pb, exceeding the safe limit set by the Indonesian National Standardization Agency (BSN). Soaking in tamarind solution significantly reduced the Pb content in A1, A2, and A3 [by 89.57% (0.032µg/g), 97.39% (0.008µg/g) and 91.85% (0.025µg/g), respectively]. The hedonic test showed that the aroma and taste were significantly different. In addition, Post hoc test results revealed that the aroma of A1, A2 and A3 was significantly different from the control (A0); the taste of A1, A2 and A3 was significantly different from the control (A0); A1 was significantly different from A3. Based on the results, it could be concluded that the best treatment was A2 (10%).
PENGARUH MODAL INTELEKTUAL TERHADAP KUALITAS LABA DENGAN MANAJEMEN LABA SEBAGAI PEMEDIASI Kalalo, Annabelle Deva; Sofian, Sofian
SAR (Soedirman Accounting Review) : Journal of Accounting and Business Vol 7 No 1 (2022): June 2022
Publisher : Program Studi S1 Akuntansi Fakultas Ekonomi & Bisnis Univesitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (364.029 KB) | DOI: 10.32424/1.sar.2022.7.1.6749

Abstract

This study examines the effect of intellectual capital on earnings quality mediated by earnings management. The variables in this study were each measured by Value Added Intellectual Capital (VAIC), Discretionary Accruals (DA), and Real Earnings Management (REM). The object of this research is manufacturing companies listed on the IDX in a row in 2017-2020. The data analysis used in this study is multiple linear regression analysis and path analysis. The results show that intellectual capital has a significantly positive effect on earnings quality but becomes significantly negative on earnings quality when mediated by earning management. This research is expected to be useful for companies to add insight into intellectual capital and earnings management so that the earning quality of the company can become more qualified.
UJI KETAHANAN EMPAT VARIETAS PADI (Oryza sativa) DI SAMARINDA TERHADAP SERANGAN Leptocorisa acuta (Thunberg) (Hemiptera: Alydidae) Rosfiansyah, Rosfiansyah; Romadhon, Rakhmat Akhiri; Sofian, Sofian
Fruitset Sains : Jurnal Pertanian Agroteknologi Vol. 12 No. 2 (2024): June: Ilmu Pertanian dan Bidang Terkait
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/fruitset.v12i2.5126

Abstract

The rice bug is a pest that is always an obstacle in rice cultivation because it sucks the rice grains and causes them to become empty. This study aims to determine the level of resistance and rice varieties that are most resistant to pest attack of pests and give the results of high yield. This research was conducted from April 2017 until August 2017, starting from planting to harvest, located at Bantuas Village, Palaran Subdistrict, Samarinda. This research used Randomized Block Design (RBD) with 4 Treatments and 6 replications. The treatments are: V1 (Cibogo Varieties), V2 (Ciherang Varieties), V3 (Inpari 30 Varieties), V4 (IR64 Varieties). The observed data were analyzed by fingerprint and followed by the smallest real difference test (BNT) at 5% level. The result of the research showed different attack level on 4 varieties of rice in each observation, the first observation of the highest attack was on ciherang varieties (V2), the second highest observation was found on cibogo variety (V1), the third highest observation was found in cibogo (V1) and varieties that give high yield of inpari 30 (V3).
Socialization of Stunting Prevention Through Consumption of Fish Products for Students of SMA Negeri 2 Muara Sugihan, Banyuasin Regency, South Sumatera Province Nasyiruddin, Riya Liuhartana; Utpalasari, Rih Laksmi; Sofian, Sofian; Jaya, Fitra Mulia; Yusanti, Indah Anggraini; Sulieman, Abdellatief A.; Nurhadiansyah, Muhammad Irvan; Nugroho, Yonathan Paskah Tri
Aktual: Jurnal Pengabdian Kepada Masyarakat Vol. 2 No. 2 (2024): Aktual: Jurnal Pengabdian Kepada Masyarakat May 2024
Publisher : CV Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/aktual.v2i2.186

Abstract

The aim of this community service is to provide education about stunting and the use of fish products to prevent stunting to the students at SMA Negeri 2 Muara Sugihan, Banyuasin Regency. The method used in community service activities was socialization of stunting prevention through consumption of fish products for high school students, using public lectures and demonstrations with predetermined themes. The community service activity is expected to have a positive impact in an increasing of students' understanding for stunting and its prevention by consuming various processed fish products. The results of implementing community service were evaluated regarding students' understanding of the material presented in the form of achievement indicators and benchmarks. Based on the results of implementing community service, participants were able to understand the definition, causes and ways to prevent stunting. Then the participants were also able to understand the nutritional content of fish and its benefits in preventing stunting. In addition, the participants have learned about various types of processed fish products. Overall, consumption of fish products is beneficial to prevent in developing countries occurrence of stunting through application of nutritional education in community service activities.
The Sosialisasi Penerapan Akuakultur Dengan Pendekatan Eksositem (ADPE) di SMA Negeri 1 Lempuing Kabupaten Ogan Komering Ilir Sofian, Sofian; Yusanti, Indah Anggraini; Jaya, Fitra Mulia; Liuhartana, Riya; Utpalasari, Rih Laksmi; Perwitasari, Lia; Sundoko, Ahmad; Indra, M.; Hidayat, Wahid
Communio: Jurnal Pengabdian Kepada Masyarakat Vol. 2 No. 2 (2025): COMMUNIO: Jurnal Pengabdian kepada Masyarakat
Publisher : Literasi Nusantara Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Community empowerment activities are carried out at SMA Negeri 1 Lempuing, Ogan Komering Ilir Regency, South Sumatra Province on the basis of ecosystem-based aquaculture area management which is an integrated effort between all policy stakeholders and business actors by using the ecosystem approach as a basis for increasing productivity and sustainable and efficient cultivation activities. This PKM activity is expected to have a positive impact in increasing community understanding in implementing aquaculture with an ecosystem approach. The aim of this PKM activity is to provide education and practice regarding the application of Ecosystem Approach to Aquaculture (EAA). This community empowerment activity is carried out using the public lecture method and interactive classes with a predetermined theme. The results of the PKM implementation will be evaluated regarding students' understanding of the material presented in the form of achievement of achievement indicators and benchmarks. Based on the results of the community empowerment implementation, participants were able to understand the basic thinking, definition and basic principles of EAA. Then the participants were also able to understand the detailed explanation of the principles of implementing EAA
Antagonistic Test of Endophytic Fungi from Black Pepper (Piper nigrum L.) against Fusarium oxysporum the Main Cause of Fusarium Wilt in Chili Plants (Capsicum annuum L.) Sofian, Sofian; Sopialena, Sopialena; Aprilia, Risna
Journal of Agriprecision & Social Impact Vol. 2 No. 3 (2025): November: JAPSI (Journal of Agriprecision & Social Impact)
Publisher : CV. Komunitas Dunia Peternakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62793/japsi.v2i3.75

Abstract

Fusarium wilt, caused by Fusarium oxysporum, is a major constraint in chili (Capsicum annuum L.) cultivation due to its severe impact on plant health and yield. Excessive use of synthetic fungicides to control this disease has resulted in environmental pollution and the development of resistant pathogens. This study aimed to identify endophytic fungi from black pepper (Piper nigrum L.) and evaluate their antagonistic potential against F. oxysporum as an eco-friendly biological control strategy. The novelty of this research lies in the exploration of endophytic fungi from black pepper, a crop not commonly studied as a microbial reservoir for chili disease control, providing new insight into cross-host endophytic interactions and their potential application in sustainable plant protection. Endophytic fungi were isolated from the stems, roots, and leaves of healthy black pepper plants, while F. oxysporum isolates were obtained from diseased chili plants. All isolates were cultured on Potato Dextrose Agar (PDA) and tested using a dual culture assay under a completely randomized design (CRD) with five treatments and six replications. Inhibition percentage and colony growth were observed for seven days, and antagonistic mechanisms such as competition, antibiosis, and parasitism were examined microscopically. Four endophytic fungi—Trichoderma sp., Gliocladium sp., Aspergillus niger, and Aspergillus flavus—showed antagonistic activity against F. oxysporum. The highest inhibition rates (60–75%) were observed in Gliocladium sp. and Trichoderma sp., primarily through competition and antibiosis mechanisms. These results demonstrate the potential of black pepper-derived endophytic fungi as novel, effective, and environmentally safe biocontrol agents, offering an innovative approach to developing sustainable alternatives to synthetic fungicides in integrated plant disease management systems.
PERTANGGUNGJAWABAN PIDANA TERHADAP PELAKU TINDAK PIDANA PENGANIAYAAN DENGAN RETARDASI MENTAL Sofian, Sofian; Manurung, Abdul Azis; Dermawan, Ari; Putri, Annisa Suryani
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol 8, No 4 (2025): November 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i4.4663

Abstract

Abstract: Mental retardation is categorized as People with Mental Problems (ODMK) as referred to in Article 1 number 2 of Law Number 18 of 2014 concerning Mental Health, namely people who have physical, mental, social, developmental, and/or quality of life problems who are at risk of experiencing mental disorders. This thesis aims to analyze how criminal liability is applied to perpetrators of criminal acts of abuse who suffer from mental retardation, as well as to re-analyze the basis for the judge's considerations in issuing a verdict against the perpetrator, by referring to Decision Number 817/Pid.B/2024/PN.Kis. This study uses a normative juridical approach method with a descriptive research type. Data were obtained through literature studies by reviewing statutory regulations, legal literature, and court decision documents. The analysis was carried out qualitatively-descriptively against relevant legal norms and concrete case studies. The results of the study indicate that perpetrators of criminal acts of abuse who suffer from mental retardation cannot be fully held criminally responsible if it is proven that their mental condition affects their ability to understand or control their actions as regulated in Article 44 of the Criminal Code. In Case Number 817/Pid.B/2024/PN.Kis, although the defendant was proven to have committed assault according to Article 351 paragraph (1) of the Criminal Code, ideally the medical evidence process related to the defendant's mental condition would be the main basis in the judge's considerations, as well as trial facts to determine the appropriateness of criminal responsibility for the defendant in accordance with the principles of criminal law and protection for people with mental retardation. Keywords: Criminal Responsibility, People with Mental Retardation, Law No. 18 of 2014 Abstrak: Retardasi mental dikategorikan sebagai Orang Dengan Masalah Kejiwaan (ODMK) sebagaimana dimaksud dalam Pasal 1 angka 2 Undang-Undang Nomor 18 Tahun 2014 tentang Kesehatan Jiwa, yaitu orang yang memiliki masalah fisik, mental, sosial, pertumbuhan, dan/atau kualitas hidup yang berisiko mengalami gangguan jiwa. Skripsi ini bertujuan untuk menganalisis bagaimana pertanggungjawaban pidana diterapkan terhadap pelaku tindak pidana penganiayaan yang mengalami retardasi mental, serta menganalisis kembali dasar pertimbangan hakim dalam menjatuhkan putusan terhadap pelaku tersebut, dengan merujuk pada Putusan Nomor 817/Pid.B/2024  /PN.Kis. Penelitian ini menggunakan metode pendekatan yuridis normatif dengan jenis penelitian deskriptif. Data diperoleh melalui studi kepustakaan dengan mengkaji peraturan Perundang-Undangan, literatur hukum, serta dokumen putusan pengadilan. Analisis dilakukan secara kualitatif-deskriptif terhadap norma hukum yang relevan serta studi kasus konkret. Hasil penelitian menunjukkan bahwa pelaku tindak pidana penganiayaan yang menderita retardasi mental tidak dapat sepenuhnya dimintai pertanggungjawaban pidana apabila terbukti bahwa kondisi kejiwaannya memengaruhi kemampuannya memahami atau mengendalikan perbuatannya sebagaimana diatur dalam Pasal 44 KUHP. Dalam Perkara Nomor 817/Pid.B/  2024/PN.Kis, meskipun terdakwa terbukti melakukan penganiayaan sesuai Pasal 351 ayat (1) KUHP, idealnya proses pembuktian medis terkait kondisi kejiwaan terdakwa akan menjadi landasan utama dalam pertimbangan hakim. serta fakta persidangan untuk menentukan kelayakan pertanggungjawaban pidana terhadap terdakwa sesuai prinsip-prinsip hukum pidana dan perlindungan terhadap ODMK. Kata Kunci: Pertanggungjawaban Pidana, Orang Dalam Masalah Kejiwaan Retardasi mental, Undang- Undang No. 18 tahun 2014
Co-Authors A.A. Ketut Agung Cahyawan W ABDUL AZIS MANURUNG, ABDUL AZIS Adhi, M. Aryono Agnes Utari Widyaningdyah Agustiawan, Agustiawan Amini Amini Andi Suryadi Andini, Andini Anto, Monalisa Putri Apriandani, Babby Aprilia, Risna AR, Andi Arienda, Della Ayu, Rianda Rita Azzahra, Jessie Bernadetta Diana Nugraheni Damis, Sariana dermawan, ari Dewi, Lusi Oktavia Dhonanto, Donny DIAH AYU SATYARI UTAMI Dwi Riyanti Ella, Nanda Eni Rosnija Eusabinus Bunau Fatoni, Iza Fauzan . Febriani Tanjung, Indayana Fitra Mulia Jaya Gunawan, Erick Teofilus Hadi Pranoto Haran, Rosalia Teodora Harlianto T, Harlianto T Hasma Putri, Noni Ayu Hendra Wijaya Hidayat, Wahid Hudaya Latuconsina Ikromatun Nafsiyah Indra Prasetia, Indra Indra, M. Ismail Ismail Johan K.W., Johan K.W. Kalalo, Annabelle Deva Katresna, Mustika Lina Lina Luwandi Suhartono Marluwi, Marluwi Marsal, Doni Megawati - Muhammad Akbarurrasyid Muhammad Subhan Hamka Muzli, Muzli Naibaho, Jessica Ester Najamuddin Najamuddin, Najamuddin Nandasari, Horiyeh Nasution, Alfiandi Wisudawansyah NINGSIH, NINGSIH Nugroho, Yonathan Paskah Tri Nurhadiansyah, Muhammad Irvan NURWAHIDAH NURWAHIDAH Perwitasari, Lia Putra, Rizky Agustia Putri, Annisa Suryani R, Hanifah A Rahardjo, Hartono Rahayu, Reni Rasyidah Rasyidah Rih Laksmi Utpalasari Riskiyono, Joko Riya Liuhartana Nasyiruddin Rizal Fahmi Romadhon, Rakhmat Akhiri ROSFIANSYAH, ROSFIANSYAH S. Patricia Febrina Dwijayanti Sari, Jamila Sarjani, Tri Mustika Sembiring, Rinawati Siregar, Nira Pradina Siti Lestari Sopialena . Soraya, Aida Sri Jaya Lesmana Sudinno, Dinno Sujabar, Sujabar Sulieman, Abdellatief A. Sumantri Sumantri Sundoko, Ahmad Suryadi, Andi Suryoprabowo, Steven Susylowati, Susylowati Syafrizal Syafrizal Syaifudin, Encik Akhmad Syarif Husin Tarigan Sibero, Jitasari Triayu Rahmadiah Ulya, Nanda Himmatul urai salam Vini Taru Febriani Prajayati Wahdini, Anisa Wardah Wardah Yusanti, Indah Anggraini