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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Ekonomi Manajemen Sistem Informasi Jurnal Pengabdian Kepada Masyarakat Semantik : Jurnal Riset Ilmu Pendidikan, Bahasa dan Budaya Jurnal Ilmiah Multidisiplin
Putri Azizah
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Pengaruh Kecepatan Pengadukan Terhadap Sintesis Biodiesel Dari Minyak Jarak Menggunakan Katalis La/NZA Putri Azizah; Syaiful Bahri; Khairat Khairat
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Biodiesel is one of alternative energy to replace fossil fuels from vegetable oil. The aims of this research were to produce biodiesel from castrol oil using heterogen catalyst La/NZA, to studythe effect of agitation speed and the ratio of impregnation La on NZA to the yield of biodiesel and to determine the characteristics of catalyst and biodiesel. The La/NZA catalyst is made bygrinding the natural zeolite to a size of -100 + 200 mesh, then the zeolite is activated using solution of HCL and NH4Cl, then it was dried. La is impregnated into NZA then dried using ovenand calcination. Production of biodiesel is carried out through two stages: esterification and trans-esterification. Before esterification, degumming process was done to remove impuritiesand gum contained in the oil. While in the trans-esterification process, variation of impregnation La on NZA are 0% La, 1% La and 3% La and variation of agitation speed are 300 rpm, 400 rpmand 500 rpm for 80 grams of castrol oil and methanol with the ratio of oil : methanol 1 : 9 was inserted to trans-esterification reactor, reaction lasted for 120 minutes at 60ºC. The highest yieldresulted on using 3%La/NZA catalyst with agitation speed 400 rpm which is 88.15%. Characteristics of the catalyst that has a surface area and ratio of Si/Al are large enough withbiodiesel produced in accordance with predefined standards (SNI 04-1782-2015).Keywords: biodiesel, La/NZA, castrol oil, transesterification.
Keterampilan Menulis Teks Deskripsi Dalam Pembelajaran Bahasa Indonesia Sekolah Dasar Nazla Asyifa; Putri Azizah; Valen Tania
Semantik : Jurnal Riset Ilmu Pendidikan, Bahasa dan Budaya Vol. 2 No. 3 (2024): August : Semantik : Jurnal Riset Ilmu Pendidikan, Bahasa dan Budaya
Publisher : Asosiasi Periset Bahasa Sastra Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/semantik.v2i3.851

Abstract

Writing descriptive text is an activity carried out by someone in telling or describing a particular object so that the reader will be able to know clearly what the general description of the object being discussed is. At the elementary school level, when learning Indonesian, writing descriptive texts is one of the learning achievements that must be achieved by students. The development of descriptive text writing skills can be achieved using the problem based learning method so that it allows students to think critically during learning so as to improve student learning outcomes.
Pengaruh Work Overload dan Role Ambiguity Terhadap Employee Performance Dengan Job Stress Sebagai Variabel Mediasi Pada PT. XYZ Putri Azizah; Laura Syahrul; Donard Games
Jurnal Ekonomi Manajemen Sistem Informasi Vol. 6 No. 4 (2025): Jurnal Ekonomi Manajemen Sistem Informasi (Maret - April 2025)
Publisher : Dinasti Review

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/jemsi.v6i4.4418

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh work overload dan role ambiguity terhadap employee performance, serta peran job stress sebagai variabel mediasi. Penelitian ini menggunakan pendekatan kuantitatif dengan desain explanatory research untuk menganalisis hubungan dan pengaruh antar variabel menggunakan survei sebagai metode pengumpulan data. Populasi dan sampel terdiri dari seluruh karyawan PT. XYZ yang berjumlah 41 orang. Data dikumpulkan melalui kuesioner dan dianalisis menggunakan analisis deskriptif, uji validitas dan reliabilitas, serta pengujian model dan hipotesis dengan metode Structural Equation Modeling (SEM) menggunakan software PLS. Hasil penelitian ini menunjukkan bahwa work overload tidak berpengaruh signifikan terhadap employee performance, sedangkan role ambiguity berdampak negatif dan signifikan terhadap kinerja karyawan. Work overload dan role ambiguity secara signifikan meningkatkan job stress, yang kemudian berdampak negatif pada employee performance. Job stress memediasi pengaruh work overload terhadap kinerja karyawan, namun tidak memediasi hubungan antara role ambiguity dan employee performance.
Model Contextual Teaching And Learning Ctl Dalam Meningkatkan Hasil Belajar Metematika Sekolah Dasar Putri Azizah; Ibnu Muthi
Jurnal Ilmiah Multidisipin Vol. 2 No. 7 (2024): Jurnal Ilmiah Multidisiplin, Juli 2024
Publisher : Lumbung Pare Cendekia

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Abstract

Dalam dunia pendidikan seorang gurut dituntuk untuk terus berinovasi menciptakan proses pembelajaran yang menyenangkan, diantaranya rencang model yang sesuai dengan kebutuhan siswa yang untuk meningkatkan hasil belajar. Melihat permasalahan yang mucul, siswa merasa kurang memahami materi yang bersifat abstrak, salah satu model pembelajaran yang cocok yaitu Contextual Teaching and Learning (CTL). Metode yang digunakan dalam penelitian ini adalah Studi pustaka. Pengumpulan data dilakukan dengan mengkaji artikel-artikel ilmiah yang berkaitan dengan model CTL yang diterbitkan pada tahun 2019-2024 yang diperoleh dari data base google scholar. Berdasarkan kajian relevan terdahulu bahwa model Contextual Teaching and Learning (CTL) memiliki pengaruh terhadap hasil belajar siswa sekolah dasar.
Optimalisasi Peningkatan Pengetahuan Tentang Kesehatan Remaja Melalui Kegiatan Edukasi Pada Siswa SMP Negeri 32 Maluku Tengah Putri Azizah; Fadli Afriandi
PaKMas: Jurnal Pengabdian Kepada Masyarakat Vol 5 No 2 (2025): November 2025
Publisher : Yayasan Pendidikan Penelitian Pengabdian Algero

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54259/pakmas.v5i2.3582

Abstract

Adolescents represent the largest demographic group in Indonesia and are in a transitional developmental phase that makes them vulnerable to various health issues, including reproductive health and anemia. The lack of knowledge among adolescents about reproductive health and the high prevalence of anemia among adolescent girls have become serious concerns. According to data from the Indonesian Ministry of Health, the prevalence of anemia among adolescents aged 15-24 years reaches 32%, with a higher proportion among girls. To address this issue, a community service program was conducted in Negeri Saleman to enhance students' knowledge of reproductive health and anemia prevention at SMP Negeri 32 Central Maluku. This activity took place on August 12, 2024, involving 77 participants. The intervention included education on the importance of reproductive health, anemia prevention, and ways to address health issues among adolescents. This initiative proved effective in increasing adolescents' knowledge and understanding, as well as improving reproductive health indicators and preventing anemia among adolescent girls. The program had a positive impact by raising awareness and providing valuable knowledge that benefits adolescent health in the future.
Co-Authors Donard Games Fadli Afriandi Ibnu Muthi Khairat Khairat Laura Syahrul Nazla Asyifa SYAIFUL BAHRI Valen Tania