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Analisis Kadar Besi (Fe) dan Kadmium (Cd) dalam Air Hasil Filtrasi dengan Variasi Jenis Adsorben Nano Filter Secara Spektrometri Serapan Atom Septiana, Oni; Nasir, M.; ., Habibati
Jurnal Ilmiah Mahasiswa Pendidikan Kimia Vol 9, No 1 (2024): JIMPK Januari-Juni 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.82415/jimpk.v9i1.23088

Abstract

Air adalah salah satu komponen utama dalam kelangsungan makhluk hidup terutama bagi manusia. Air yang dibutuhkan adalah air bersih yang dapat digunakan dalam kegiatan sehari-hari. Namun seiring berjalannya waktu, peningkatan populasi dan pencemaran lingkungan yang disebabkan oleh kegiatan manusia dan limbah pabrik mengakibatkan pencemaran air bersih. Air yang tercemar dapat mengandung zat kimia berbahaya seperti logam berat sehingga berdampak pada kesehatan. Oleh karena itu, pengolahan air bersih perlu dilakukan sebagai upaya untuk mempertahankan pasokan air bersih yang dapat dilakukan dengan proses filtrasi (penyaringan). Penelitian ini dilakukan dengan tujuan untuk mengetahui daya serap logam besi dan kadmium oleh adsorben nano filter yang dianalisis secara spektrometri serapan atom serta pengaruh penggunaan variasi jenis adsorben nano filter dalam penelitian terhadap kadar logam. Hasil penelitian diperoleh daya serap filter terhadap logam besi dengan kombinasi sedimen dan karbon aktif 0%, adsorben nano filter sedimen dan pasir silika sebesar 83,86%, sedimen dan manganes greensand sebesar 37,13% dan kombinasi keempat adsorben nano filter (sedimen, karbon aktif, pasir silika, manganes greensand) sebesar 61,13%. Sedangkan daya serap filter terhadap logam kadmium pada kombinasi adsorben nano filter sedimen dan karbon aktif sebesar 28,62%, sedimen dan pasir silika sebesar 97,21%, sedimen dan manganes greensand 10,36% dan keempat adsorben nano filter (sedimen, karbon aktif, pasir silika, manganese greensand) sebesar 66,51%. Data yang diperoleh menunjukkan bahwa kombinasi adsorben nano filter sedimen dan pasir silika layak digunakan karena memiliki daya serap paling baik terhadap kadar logam besi dan kadmium.Kata Kunci: Air, besi, kadmium, adsorben, filtrasi, spektrometri serapan atom
Web-Based Information System for the Disposition of Entry Letters in South Sumatra Province Rapica Amalia, Rissa; Suyanto; Abdillah, Leon A.; Nasir, M.
International Journal Software Engineering and Computer Science (IJSECS) Vol. 4 No. 3 (2024): DECEMBER 2024
Publisher : Lembaga Komunitas Informasi Teknologi Aceh (KITA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijsecs.v4i3.3262

Abstract

Technological developments in the government office environment are increasingly developing, as well as government agencies having to modernize administration, such as in the administrative section for managing incoming mail. There are many types of letters that enter agencies every day with different needs. These incoming letters are waiting to be followed up (dispositioned) by administrative leaders for further processing at the South Sumatra provincial Dispora service. Over a long period of time and a large number of incoming letters every day, conventional recording methods have become less effective and can cause losses to the service, including lost and scattered letters. In this research, the author aims to create a website-based information system for the disposition of incoming letters at the South Sumatra Province Dispora office. The method used is web engineering and building an information system using the recurring acronym programming language Hypertext Preprocessor (PHP), CodeIgniter Framework and MySQL as the database. This website was created to make it easier for the work of managing incoming mail at the South Sumatra Province Youth and Sports Office to run well and optimally, by creating a website to automate incoming mail into electronic mail in the South Sumatra Province Youth and Sports Office
Control of Natural Food with Diazinon for Growth and Survival of Marbled Goby, Oxyeleotris marmorata (Bleeker) Nasir, M.; Sumawidjaja, K.; Effendi, Irzal
Jurnal Akuakultur Indonesia Vol. 3 No. 2 (2004): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (575.623 KB) | DOI: 10.19027/jai.3.19-24

Abstract

Dua percobaan telah dilakukan, yaitu tanpa dan dengan larva ikan. Percobaan pertama, yang menggunakan 3 konsentrasi diazinon 0. 2 dan 4 ppm dan 3 ulangan, mempelajari pertumbuhan rotifera, cladocera dan copepoda. Percobaan kedua mempunyai 2 perlakuan, yaitu diazinon 0 dan 4 ppm (yang terbaik dari percobaan pertama) serta 4 ulangan untuk mengevaluasi: 1) ketersediaan, pemanfaatan dan susunan jasad-jasad pakan, 2) pertumbuhan dan kelangsungan hidup larva, serta 3) perkembangan larva ikan. Larva yang berumur satu hari ditebar pada saat kelimpahan rotifera tertinggi di hapa dengan kepadatan 40 larva/1 atau 3.200 larva/hapa. Hapa (mesh 0,8 mm) yang berukuran 50x40x50 cm ditempatkan dalam kolam-kolam beton yang berukuran 4,25x2,00x 0,65 m. Kolam-kolam ini mula-mula dikeringkan selama 2 hari, dipupuk dengan kotoran ayam 1.000 g/m3 dan diisi air setinggi 50 cm. Keesokan harinya kolam dipupuk dengan urea dan tripel superfosfat masing-masing 20 dan 30 g/m3. Dua hari kemudian air diberi diazinon sesuai perlakuan. Hasil percobaan pertama menunjukkan bahwa diazinon meningkatkan ketersediaan rotifera. Populasi rotifera tertinggi dicapai di kolam yang mendapat diazinon 4 ppm. Percobaan kedua memberikan laju pertumbuhan harian dan kelangsungan hidup larva ikan serta ketersediaan dan pemanfaatan rotifer tertinggi pada pemberian diazinon 4 ppm. Kata kunci: Pakan alami, larva. Oxyeleotris marmorata, diazinon. kelangsungan hidup, pertumbuhan   ABSTRACT Two experiments were conducted, without and with fish larvae. The first experiment, utilizing 3 concentrations of diazinon, i.e. 0, 2 and 4 ppm and 3 replications, evaluated the growth of rotifers, cladocerans and copepods. The second experiment had 2 treatments, i.e. 0 and 4 ppm diazinon and 4 replications evaluated: 1) the availability, utilization and composition of food organisms, 2) the growth and survival rates offish larvae, and 3) the development of larvae. One-day old larvae were stocked at times of highest rotifer concentrations in hapas at 40 larvae/1 or 3,200 larvae/hapa. Hapas (0,8 mm mesh) of 50x40x50 cm were placed in concrete ponds of 4.25x2.00x0,65 m. The ponds were dried for 2 days, fertilized with chicken manure 1.000 g/m3 and filled with water up to 50 cm deep. Next day, the ponds were fertilized with urea and triple superphosphate 20 and 30 g/m3 respectively. Two days later, the water was treated with diazinon according to treatments. The results of the first experiment showed that diazinon increased the availability of rotifers. The highest rotifer populations were obtained in ponds receiving 4 ppm diazinon. The second experiment gave highest daily growth and survival rates of fish larvae, te availability and utilization of rotifers at 4 ppm diazinon. Key words: Natural foods, larvae, Oxyeleotris marmorata, diazinon, survival, growth.
Panduan Ringkas Pemeliharaan dan Perbaikan Jembatan Kayu Sutarto, Tommy E.; Kamil, Insan; Tumingan; Barus, Freddy; Widiawati, Dhiana D.; Firsty, Melviana; Ahmad, Raudah; Wulandari, Fitri; Pamungkas, Pulung P.; Nugroho, Septian A.; Nasir, M.
Jurnal ETAM Vol. 5 No. 1 (2025): FEBRUARY
Publisher : Politeknik Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46964/etam.v5i1.1302

Abstract

Numerous timber bridges in Samboja District, East Kutai Regency, remain outside the scope of maintenance and rehabilitation programs by both the Provincial and Regency Governments. It is essential to encourage local communities to take initiative and independently engage in the maintenance and repair of these bridges. One effective approach involves providing education and practical demonstrations to raise community awareness and equip them with the necessary skills for timber bridge maintenance and repair. The Civil Engineering Department of Samarinda State Polytechnic organized such an initiative at the Margomulyo Village Meeting House, located in one of the villages in Samboja District. Approximately 35 participants, including local residents, village officials, and neighborhood leaders, attended the session. The program combined educational counseling with community service and hands-on demonstrations of timber bridge inspection and maintenance, facilitated by students from the Civil Engineering Department. The participants actively engaged throughout the event, demonstrating enthusiasm and commitment. As a result of this initiative, the local community has been empowered with practical knowledge and skills to independently maintain and repair timber bridges in their area. Through this combination of education, demonstration, and community service, a foundation for sustainable bridge upkeep has been successfully established. Furthermore, the knowledge and skills can be disseminated to other neighborhoods with similar problems.
Pengaruh Struktur Aktiva, Rasio Keuangan terhadap Return on Assets pada Perusahaan Properti dan Real Estate yang Terdaftar di BEI Restiana, Kodimah; Alie, Maria Septijantini; Yudhinanto, Yudhinanto; Nasir, M.; Oktaria, Eka Travilta
Jurnal Akuntansi, Keuangan, dan Manajemen Vol. 6 No. 2 (2025): Maret
Publisher : Penerbit Goodwood

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/jakman.v6i2.3510

Abstract

Purpose: This research aims to determine the effect of Asset Structure, Total Asset Turnover (TATO), Fixed Asset Turnover, Debt To Equity Ratio (DER), Current Ratio (CR) on Profitability Return On Assets (ROA) in Property and Real Estate companies in the Construction and Subsectors. Buildings on the Indonesian Stock Exchange for the 2016-2023. Methodology/approach: This type of research is quantitative research using the SPSS version 27 program. The analytical tool used is the classic assumption test which includes the Normality Test, Multicollinearity Test, Heteroscedasticity Test, and Autocorrelation Test. Hypothesis testing includes Multiple Linear Regression Analysis, Determinant Coefficient Test, F Test, and T Test. Results/findings: The research results of simultaneous hypothesis testing state that Asset Structure, Total Asset Turn Over, Fixed Asset Turnover, Debt to Equity Ratio and Current Ratio have a significant effect on Return On Assets. Partial hypothesis testing states that Asset Structure, Total Asset Turn Over, Fixed Asset Turnover, and Current Ratio have a positive and significant effect on Return On Assets, while the Debt to Equity Ratio has a negative and insignificant effect on Return On Assets Conclusion: This study analyzes the impact of asset structure and financial ratios on Return on Assets in property and real estate companies listed on the IDX. The analysis results show that total assets turnover, fixed asset turnover, and debt to equity ratio have a significant effect on ROA, while the current ratio does not show a significant impact. Limitations: The use of historical data and variables is limited. The research year is only nine years with five variables Contribution: This research helps Property and Real Estate companies in the construction and building sector to see to what extent the company is able to generate profits from the assets it owns, with good marketing and management strategies.
Analysis of Customer Experience and Customer Satisfaction on Repurchase Intention with Customer Loyalty as a Mediation Variable at Cafe Dokobox Mamuju Wardani, Rezki; Wiyadi , Wiyadi; Soepatini, Soepatini; Nasir, M.
International Journal of Management Science and Information Technology Vol. 4 No. 2 (2024): July - December 2024
Publisher : Lembaga Otonom Lembaga Informasi dan Riset Indonesia (KITA INFO dan RISET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijmsit.v4i2.2908

Abstract

This article discusses customer experience and customer satisfaction regarding repurchase interest at Cafe Dokobox Mamuju, with customer loyalty as a mediating variable. This research used a questionnaire to collect data from 200 customers and analyzed using SmartPLS 3. The results show that customer experience and customer satisfaction have a significant influence on loyalty, customer experience also influences repurchase intention. However, customer loyalty does not mediate the influence of customer experience and satisfaction on repurchase intention.
RANCANG BANGUN SIMULATOR SISTEM PENERANGAN SEPEDA MOTOR DALAM MENGATASI KETERBATASAN MEDIA PEMBELAJARAN DI PESISIR SELATAN Delsina Faiza; Basri, Irma Yulia; Nasir, M.; Nanda, Iffarial; Putra, Rido
GERVASI: Jurnal Pengabdian kepada Masyarakat Vol. 9 No. 1 (2025): GERVASI: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM IKIP PGRI Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31571/gervasi.v9i1.8599

Abstract

Berdasarkan hasil observasi, ditemukan beberapa permasalahan utama. Pertama, mutu kompetensi guru rendah disebabkan terbatasnya kesempatan mengikuti pelatihan atau pengembangan diri. Kedua, media ajar program keahlian Teknik Kendaraan Ringan dan Teknik Sepeda Motor kurang, baik dari segi kuantitas maupun jenis, khususnya sistem penerangan sepeda motor. Kegiatan pengabdian kepada masyarakat melalui pelatihan melibatkan 15 guru sebagai peserta, bertujuan meningkatkan kompetensi guru pada sistem penerangan sepeda motor dan menghasilkan produk media ajar berupa simulator di SMKN 1 Koto XI Tarusan. Metode pelatihan meliputi ceramah, demonstrasi, praktik langsung, dan evaluasi. Hasil pelatihan menunjukkan adanya peningkatan signifikan dalam kompetensi guru sebesar 39,52%. Nilai rata-rata pre-test sebesar 58,13 meningkat menjadi 80,87 pada posttest. Selain itu, standar deviasi juga menunjukkan peningkatan, dari 6,07 pada pre-test menjadi 7,55 pada posttest. Kegiatan ini menghasilkan luaran 3 unit simulator sistem penerangan sepeda motor. Diharapkan pelatihan ini mendukung keberlanjutan program serupa di masa depan dengan fokus pada peningkatan kualitas pendidikan.
Peran Kepala Sekolah Dalam Mengimplementasikan Dasar-Dasar Kepemimpinan Berdasarkan Hadis Nasir, M.; Muharir; Muhibbul Subhi; Jerry Gunandar; Ismu Ridha; Saiful Badli
EDUSIANA Jurnal Manajemen dan Pendidikan Islam Vol. 12 No. 1 (2025): EDUSIANA: Jurnal Manajemen dan Pendidikan Islam
Publisher : EDUSIANA: Jurnal Manajemen dan Pendidikan Islam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47077/edusiana.v12i1.571

Abstract

Kepemimpinan kepala sekolah memainkan peran sentral dalam menentukan arah dan kualitas pendidikan di suatu sekolah. Dalam perspektif Islam, kepemimpinan memiliki dimensi spiritual, moral, dan sosial yang kuat, sebagaimana tercermin dalam hadis-hadis Nabi Muhammad SAW. Penelitian ini bertujuan untuk mengkaji peran kepala sekolah dalam mengimplementasikan prinsip-prinsip kepemimpinan Islami berdasarkan hadis, serta dampaknya terhadap pengelolaan pendidikan. Pendekatan kualitatif deskriptif digunakan dengan analisis konten terhadap hadis-hadis yang berkaitan dengan kepemimpinan dan studi lapangan pada beberapa kepala sekolah di lingkungan pendidikan Islam. Hasil menunjukkan bahwa prinsip seperti amanah (kepercayaan), adil, musyawarah, dan pelayanan (khidmat) menjadi nilai inti yang diterapkan kepala sekolah dalam menjalankan tugasnya. Temuan ini menunjukkan adanya keterkaitan yang erat antara nilai-nilai kepemimpinan dalam hadis dengan praktik kepemimpinan pendidikan yang efektif dan bermakna. Rekomendasi diberikan agar pelatihan kepala sekolah di lingkungan pendidikan Islam lebih menekankan internalisasi nilai-nilai kepemimpinan profetik. Penelitian ini berkontribusi dalam memperkuat pendekatan kepemimpinan berbasis nilai spiritual dan moral dalam dunia pendidikan. Kata Kunci: Kepala Sekolah; Kepemimpinan; Hadis
PENGUATAN KONSEP MAWAH DALAM USAHA PETERNAKAN SAPI DI AREAL KEBUN SAWIT Noviar, Helmi; Syahril, Syahril; Badli, Saiful; Mardaleta, Mardaleta; Nasir, M.
Jurnal Pengabdian Agro and Marine Industry Vol 5, No 1 (2025): JURNAL PENGABDIAN AGRO AND MARINE INDUSTRY
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jpami.v5i1.11940

Abstract

The mawah concept, a traditional form of profit-sharing cooperation, has long been rooted in the economic culture of Acehnese society. This system emphasizes mutual trust and equitable collaboration between livestock owners and caretakers, embodying values of solidarity and social justice. However, its practice is declining due to modern capitalist influences and a lack of institutional support. This community service project aimed to revitalize and strengthen the mawah system in the context of cattle farming within palm oil plantation areas in Teupin Panah Village, West Aceh. Utilizing methods such as field surveys, educational seminars, and interactive discussions, the project involved 35 local farmers and plantation workers. The program successfully introduced the mawah system as a fair and sharia-compliant model of economic cooperation, especially for community members with limited capital but agricultural expertise. Results indicated high participant engagement and a willingness to adopt the mawah system formally. The initiative highlights the potential of local wisdom to support sustainable community-based economic development through integrated livestock-plantation farming. Continued mentoring and institutional support are recommended to ensure long-term implementation and impact..
Pengembangan E-Modul IPA Berbasis Etnosains Materi Usaha, Energi, dan Pesawat Sederhana SMP Kelas VIII Yohana, Veby; Z, Fakhruddin; Nasir, M.
Proceeding Seminar Nasional IPA 2025
Publisher : LPPM UNNES

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

Abstract

Penelitian ini bertujuan untuk mengembangkan E-Modul IPA berbasis etnosains pada materi usaha, energi, dan pesawat sederhana untuk siswa kelas VIII SMP. E-Modul ini dirancang agar siswa dapat belajar secara mandiri dengan mengaitkan konsep sains dengan konteks kerifan lokal yang ada di Riau. Model pengembangan yang digunakan adalah ADDIE yang terdiri atas lima tahapan, yaitu analysis, design, development, implementation, dan evaluation. Pada tahap Analysis dilakukan analisis kebutuhan siswa kurikulum, dan materi. Tahap Design meliputi perancangan format dan isi e-modul sesuai struktur etnosains. Tahap Development mencakup pembuatan produk awal dan validasi oleh dosen ahli serta uji coba satu-satu berjumlah 3 orang siswa kelas VIII SMP Negeri 4 Tambang yang memiliki perbedaan karakteristik berdasarkan kemampuan, yaitu memiliki kemampuan tinggi, sedang, dan rendah. Tahap Implementation dilakukan melalui uji praktikalitas kepada guru IPA dan peserta didik kelas VIII SMP Negeri 4 Tambang. Hasil penelitian menunjukkan bahwa e-modul valid dengan rata-rata skor validasi sebesar 0,88 (kategori sangat valid), respon guru sebesar 92,86 (kategori sangat praktis), dan respon peserta didik sebesar 90,74 (kategori sangat praktis). E-Modul ini dinyatakan layak dan praktis untuk digunakan dalam pembelajaran IPA.
Co-Authors ., Habibati A.A. Ketut Agung Cahyawan W Abidin Abidin Ahmad, Raudah Alie, Maria Septijantini Andriani, Rini Dewi Barus, Freddy Danny Ajar Baskoro Dedi Setiawan Delsina Faiza Desmon, Desmon Edy Purwo Saputro Fakhruddin Z Firsty, Melviana Fitri Wulandari Fitri, Egi Rodlia Futri Syam Gunandar, Jerry Hasan Maksum Hasan, Edi Hasrah Helmi Noviar Hendra Dani Saputra I. Djuwita Ikhsan Ikhsan Irma Yulia Basri Irmayani Irmayani Irzal Effendi Ismu Ridha Jabal Ahsan Juanda, Eki K. Sumawidjaja Kamil, Insan KARTINI ERIANI Leon Andretti Abdillah Lusi Susanti, Lusi M. Basyir Mardaleta, Mardaleta Meidasari, Evi Mirdha Fahlevi SI Muhamad, Abah Muhammad Zaki Muhammady, Aan Muharir Muhibbul Subhi Muslim Muslim Muzakkir, M Nanda, Iffarial Nofembrianti Nora, Febia Nova, Mirza Adia Nugroho, Septian A. Nur Rohmah, Irma Oktaria, Eka Travilta Pamungkas, Pulung P. Pratama, Wahyu Wira Purwanto, Marini Purwanto, Wawan Putra, Rido Ramadhani Ramadhani Rapica Amalia, Rissa Raudhatun Nafisah Restiana, Kodimah Ridha, Ismu Rifdarmon, Rifdarmon S Soepatini Saiful Badli Saiful Badli Saiful Badli, Saiful Samwil, Samwil Septiana, Oni Setyaningrum, Dewi Probowati Sidiq Permono Nugroho Subban, Subban Subhi, Muhibbul Suhendrayatna Suhendrayatna Sukendar, Windu Suryati Suryati Sutarto, Tommy E. Suyanto Syafrizal Syafrizal Syahril Syahril Tumingan Wajdi, Muhammad Wardani, Rezki Widdha Mellyssa Widiawati, Dhiana D. Wiyadi , Wiyadi Yohana, Veby Yudhinanto, Yudhinanto Yusnaidi, Yusnaidi Zinah, Manshur Abu Zinah, Manshur Mahmud Abu