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Pengaruh Temperatur Operasi Terhadap Penurunan Kadar Biuret Dalam Urea Prill dari Evaporator Tingkat II di PT. Pupuk Kaltim Mimin Septian; Dhasvianty Dhasvianty; Muhammad Miftakhul Z; Ratna wati
Journal of Chemical Process Engineering Vol. 5 No. 1 (2020): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jcpe.v5i1.853

Biuret merupakan hasil samping dalam sintesa pembentukan urea. Kandungan biuret yang tinggi dalam produk urea dapat menjadi racun bagi tanaman sehingga keberadaan biuret harus ditekan. Salah satu faktor terbentuknya biuret adalah temperatur yang tinggi. Penelitian ini bertujuan untuk menentukan temperatur operasi optimum terhadap penurunan kadar biuret dalam urea prill. Analisa dilakukan terhadap enam variabel temperatur operasi 137 oC, 138 oC, 139oC, 140oC, 141oC, dan 142oC. Sampel dari Evaporator berupa produk urea prill diambil dari belt conveyor, kemudian dilakukan uji kandungan biuret menggunakan spektrofotometer dan kadar air urea prill dengan metode aquatitrator. Hasil penelitian menunjukkan bahwa temperatur operasi optimum pada evaporator adalah 138oC, karena mampu menghasilkan kadar biuret yang rendah sebesar 0,798% dengan kadar air yang juga rendah sebesar 0,44%, dan tingkat efisiensi penggunaan steam sebesar 211,541 kg/jam.

THE IMPORTANCE OF COMPETENCE TOWARDS THE QUALITY OF EDUCATION SERVICES IN INDONESIA Wati, Ratna; Suradinata, Ermaya; Maryani, Dedeh; Sigit Pudjianto, Widodo
Dinasti International Journal of Digital Business Management Vol. 2 No. 6 (2021): Dinasti International Journal of Digital Business Management (October - Novembe
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31933/dijdbm.v2i6.1006

The spread of Covid-19 in Indonesia till now has transformed particularly in education system which was marked by the issuance of the 4 Ministerial Decrees, thus affecting the learning process in educational units throughout Indonesia. Those phenomenon that used as an current object for this research is the quality of education services at State senior high school in West Java Province. This research aims to discuss the impact caused by competence on the quality of educational services. The research sample earned 381 respondents who was taken from a population of 54,150 people through Krejcie sampling technique. Collecting data used literature review and questionnaires with data analysis technique used SEM analysis and descriptive analysis. The results from this research has proven that the amount of the influence fr Competence to the Quality of Education Services at State Senior High Schools in West Java Province reached 0.55, which is quite strong and significant.

Penerapan Model Pembelajaran Montessori untuk Meningkatkan Hasil Belajar Siswa Materi Descriptive Text Bahasa Inggris Melalui Metode Mind Mapping Kelas VIII SMP Negeri 2 Bangkinang Kota Asilestari, Putri; Rosmanidar, Rosmanidar; Wati, Ratna
Jurnal Pendidikan Tambusai Vol. 9 No. 1 (2025)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v9i1.25187

Berdasarkan Fakta yang di peroleh dari SMP Negeri 2 Bangkinang Kota menunjukan rendahnya hasil belajar siswa untuk meningkatkan hasil belajar siswa peneliti melakukan Penelitian Tindakan Kelas (PTK) untuk mengetahui akar penyebab masalah dari aktifitas belajar kelas X SMP Negeri 2 Bangkinang Kota. Berdasarkan hal tersebut peneliti mencoba melaksanakan pembelajaran menggunakan model pembelajaran Montessori melalui metode Mind Mapping. Pembelajaran ini dilaksanakan bertujuan untuk mengetahui hal- hal apa saja yang terjadi didalam aktifitas belajar siswa dan bagaimana cara meningkatkan hasil belajar siswa pelajaran Bahasa Inggris materi Descriptive Text dengan menggunakan model pembelajaran Montessori melalui metode Mind Mapping dapat berjalan sesuai yang diharapkan. Adapun pelaksanaan untuk meningkatkan hasil belajar melalui perbaikan pada siklus 1 dan siklus 2 dengan melakukan desain prosedur perbaikan, pengamatan, teknik analisis data serta melakukan refleksi diri untuk pendidik. Dari hasil pengamatan pendidik, menunjukkan adanya peningkatan kemampuan anak dalam menggunakan metode Montessori melalui metode Mind Mapping.

Pengaruh Budaya Organisasi Dan Komitmen Organisasi Terhadap Kinerja Guru Melalui Motivasi Kerja Sebagai Variabel Intervening (Studi Pada Sekolah Menengah Pertama 23 Kota Malang) Setyaningsih, Nunik; wati, Ratna; Rokhman, M. Taufiq Noor
Manajemen & Bisnis Jurnal Vol 11 No 1 (2025): Vol 11 No 1 (2025)
Publisher : Magister Manajemen Universitas Wisnuwardhana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37303/embeji.v11i1.264

This study aims to determine the effectiveness of work motivation in mediating the influence of organizational culture and organizational commitment on the performance of teachers of SMP Negeri 23 Malang. This study uses a quantitative approach, using the path analysis technique with a sobel test. The research population was 38 teachers with saturated sampling techniques. The results of the study show that organizational culture and organizational commitment have a significant effect on work motivation and performance. Work motivation also has a significant effect on teacher performance. Organizational culture and organizational commitment through work motivation have a positive and significant effect on teacher performance. The implication of this research is that SMP Negeri 23 Malang needs to prioritize strengthening a positive organizational culture to improve work motivation and teacher performance. This requires investment in effective leadership, inclusive rewards programs, and proactive conflict management. By understanding that work motivation acts as a mediator between organizational culture and commitment to teacher performance, schools can design more focused strategies to improve teacher satisfaction and overall student learning outcomes.

Pemanfaatan Kain Flannel Menjadi Tempat Pensil Aprilia Ananda; Ratna; Srilestari; Nur Pertiwi; Ratna Wati; Ilham Tahier
Jurnal Ilmiah Pengabdian dan Inovasi Vol. 2 No. 1 (2023): Jurnal Ilmiah Pengabdian dan Inovasi (September)
Publisher : Insan Kreasi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57248/jilpi.v2i1.209

Kain flannel adalah kain yang dibuat dari serat wol tanpa tenun. Kain flannel biasanya digunakan sebagai salah satu bahan pokok dalam pembuatan kerajinan tangan karena mudah diolah serta murah. Kerajinan ini merupakan kerajinan yang mempunyai nilai jual yang ekonomis dan rama lingkungan karena menggunakan bahan-bahan yang tidak merusak lingkungan hidup. Tujuan dari pengabdian ini adalah untuk memberikan keterampilan yang bermanfaat dalam membuat kerajinan dari kain Flanel dan kain Perca agar meningkatkan kemandirian serta kreativitas. . Metode pelaksanaan yang di gunakan adalah input, proses (produksi), output, dan evaluasi. Hasil program ini adalah input, melakukan survei pasar untuk mengetahui kondisi pasar atas kelayakan dan kekurangan kekurangan yang ada pada produk kami. Selanjutnya adalah pemilihan bahan dan penyediaan tempat serta sarana dan prasarana untuk menunjang proses produksi. Proses (produksi), proses pembuatan tempat pensil dari kain flanel mulai dari persiapan bahan dan alat sampai tempat pensil dari kain flanel ini siap dipasarkan. Output, yaitu hasil kerajinan tempat pensil karakter yang siap digunakan dan dipasarkan kepada konsumen. Yang terakhir adalah evaluasi, yaitu tahapan ini dilaksanakan pada saat produksi produk tempat pensil dari kain flanel ini telah selesai dilakukan. Pada tahap ini akan meninjau tentang kekurangan-kekurangan apa saja yang membuat konsumen tidak nyaman menggunakan produk kami. Kesimpulan dari program PKM-K Pemanfaatan kain flane Menjadi tempat pensil karakter yang berkualitas dan bernilai ekonomis dapat memberikan keterampilan kepada mahasiswa agar dapat mengolah kain flanel dapat di jadikan ide untuk berwirausaha.

Pemanfaatan Kardus menjadi Kotak Tissue yang Mempunyai Nilai Seni yang Tinggi Arnaya; Umra; Nur Ainun; Karmila Anwar; Sapar; Ilham Tahier; Ratna Wati
Jurnal Ilmiah Pengabdian dan Inovasi Vol. 2 No. 1 (2023): Jurnal Ilmiah Pengabdian dan Inovasi (September)
Publisher : Insan Kreasi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57248/jilpi.v2i1.210

A tissue box is a must have on coffee tables and kitchens. This will make it easier to find tissues. Utilization of used cardboard as a basic material for making tissue boxes that are widely used by the community by creating goods made from used cardboard into items that have a selling price value. So that the cardboard is not thrown away. Therefore, by making our own modern tissue box, we can save costs. Because it can be made using unused materials. The method used in carrying out this business activity is based on input, process, output (product), and evaluation. The product made in this student creativity program is a Tissue Box which is very useful as an interior. This product is safe to use for a long time.

Pengaruh Income Terhadap Keputusan Investasi Generasi Z Melalui Perilaku Keuangan (Studi Kasus Pada Generasi Z Di Kabupaten Bekasi) Putranto, Wahyu Tri; Wati, Ratna
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 7 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i7.4510

The purpose of this study is to determine the influence of income on Generation Z's investment decisions through Financial Behavior. The focus of this research is Generation Z, especially in Bekasi Regency. The population used is generation z who live in Bekasi district. The method used to conduct this study is to use Partial Least Square (PLS) using SmartPLS software Version 4.0. The sample was selected based on the lemeshow formula and a sample of 100 respondents was obtained. The sampling method in this study is purposive sampling. The results of the study prove that Income has a significant positive effect on Investment Decisions, Income has a significant positive effect on Financial Behavior, Generational Financial Behavior does not have a positive and significant effect on Investment Decisions and Financial Behavior does not mediate the relationship between Income and Investment Decisions of generation Z in Bekasi Regency.

Pengaruh Karakteristik Individu Dan Pengalaman Kerja Terhadap Kepuasan Kerja Pada Kantor Camat Sebulu Sabtohadi, Joko; Wati, Ratna; Johansyah, Johansyah
JEMI is managed and published by the Management Study Program, Faculty of Economics and Business, Kutai Kartanegara University. Institutional legality is reflected in the ISSN number: 1411-9560 published by LIPI in 2003 as a manifestation of the comm Vol 19 No 1 (2019)
Publisher : FAKULTAS EKONOMI DAN BISNIS UNIKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53640/jemi.v19i1.594

Abstract :the change of the nomenclature in structure of the organization which was carried out by the local government of kabupaten kutai mammal , berdapak himself in a position officials could lose their positions that the surface has changed and placement of asn are not in accordance with the characteristics and cooperative experiences into account .In central java and the from research on offices of head of subdistricts sebulua is: 1 ) under way to find out the extent to which unsolved the individual characteristics by in also had an impact significantly correlates with much of his best work satisfaction in drinking water has; 2 ) under way to find out the extent to which unsolved cooperative experiences into account in also had an impact significantly correlates with much of his best work satisfaction in drinking water has; 3 ) under way to find out the extent to which unsolved the individual characteristics by and work experiences satisfaction in drinking water has has had a limited impact significantly correlates with civil servants at the office in kantor head of sub district sebulu; and to know the extent to which unsolved variables reaches as high as which of the the most influential satisfaction in drinking water has significantly correlates with civil servants at the office in kantor sebulu head of sub district . Metode penelitian dalam bentuk dilakukan survei , dengan menggunakan pendekatan penjelasan reseach .Kemudian hasil penelitian , 1 ) variabel karakteristik individu berpengaruh signifikan terhadap kepuasan kerja; 2 ) variabel pengalaman positif kerja berpengaruh signifikan terhadap kepuasan kerja; 3 ) karakteristik variabel individu dan pengalaman kerja secara simultan berpengaruh signifikan terhadap kepuasan kerja; dan 4 ) variabel adalah karakteristik individu variabel dominan.Â Keywords : Characteristic individuals, job experience, job satisfaction

Pengaruh Karakteristik Individu Dan Pengalaman Kerja Terhadap Kepuasan Kerja Pada Kantor Camat Sebulu Sabtohadi, Joko; Wati, Ratna; Johansyah, Johansyah
JEMI is managed and published by the Management Study Program, Faculty of Economics and Business, Kutai Kartanegara University. Institutional legality is reflected in the ISSN number: 1411-9560 published by LIPI in 2003 as a manifestation of the comm Vol 19 No 1 (2019)
Publisher : FAKULTAS EKONOMI DAN BISNIS UNIKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53640/jemi.v19i1.594

Abstract :the change of the nomenclature in structure of the organization which was carried out by the local government of kabupaten kutai mammal , berdapak himself in a position officials could lose their positions that the surface has changed and placement of asn are not in accordance with the characteristics and cooperative experiences into account .In central java and the from research on offices of head of subdistricts sebulua is: 1 ) under way to find out the extent to which unsolved the individual characteristics by in also had an impact significantly correlates with much of his best work satisfaction in drinking water has; 2 ) under way to find out the extent to which unsolved cooperative experiences into account in also had an impact significantly correlates with much of his best work satisfaction in drinking water has; 3 ) under way to find out the extent to which unsolved the individual characteristics by and work experiences satisfaction in drinking water has has had a limited impact significantly correlates with civil servants at the office in kantor head of sub district sebulu; and to know the extent to which unsolved variables reaches as high as which of the the most influential satisfaction in drinking water has significantly correlates with civil servants at the office in kantor sebulu head of sub district . Metode penelitian dalam bentuk dilakukan survei , dengan menggunakan pendekatan penjelasan reseach .Kemudian hasil penelitian , 1 ) variabel karakteristik individu berpengaruh signifikan terhadap kepuasan kerja; 2 ) variabel pengalaman positif kerja berpengaruh signifikan terhadap kepuasan kerja; 3 ) karakteristik variabel individu dan pengalaman kerja secara simultan berpengaruh signifikan terhadap kepuasan kerja; dan 4 ) variabel adalah karakteristik individu variabel dominan.Â Keywords : Characteristic individuals, job experience, job satisfaction

The Effect of Entrepreneurial Characteristics on the Performance of Aren Sugar Micro, Small and Medium Enterprises (MSMEs) in North Lombok Regency Ratna Wati; St. Maryam; Adhitya Bagus Singandaru
Socio-Economic and Humanistic Aspects for Township and Industry Vol. 1 No. 2 (2023): Socio-Economic and Humanistic Aspects for Township and Industry
Publisher : Tinta Emas Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/sehati.v1i2.144

This study aims to analyse the effect of entrepreneurial characteristics on performance in Aren Sugar micro, small and medium enterprises in North Lombok Regency. This research variable consists of 5 (five) independent variables, namely Self-Confidence (X1), Dare to Take Risks (X2), Commitment (X3), Work Ethic (X4) and Independence (X5) and 1 (one) dependent variable, namely Micro, Small and Medium Enterprises Performance (Y). The sample in this study were Aren Sugar business actors in the North Lombok Regency Region totalling 33 people. Using multiple linear regression analysis, the results showed that partially only the variables of Commitment and Independence had a significant influence on the performance of Aren Sugar MSMEs in North Lombok Regency as indicated by a p-value of 0.0128 and 0.0046 respectively. Meanwhile, the variables of Confidence, Dare to Take Risks, and Work Ethic do not have a significant effect on the performance of Aren Sugar MSMEs in North Lombok Regency. Based on the results of the F test, all variables together have a significant effect on the performance of MSMEs.

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