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All Journal Jurnal Bahasa dan Sastra Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir EKONOMIKA45 ANWARUL: Jurnal Pendidikan dan Dakwah Journal of Islamic Economics and Finance
Mutia Anggraini
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Religion Arts Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Social Sciences Other

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Pengendapan Uranium dan Thorium Hasil Pelarutan Slag II Anggraini, Mutia; Sarono, Budi; Waluyo, Sugeng; Rusydi, Rusydi; Sujono, Sujono
Eksplorium Buletin Pusat Teknologi Bahan Galian Nuklir Vol 36, No 2 (2015): November 2015
Publisher : Pusat Teknologi Bahan Galian Nuklir - BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (30.019 KB)

Abstract

Proses peleburan timah menghasilkan limbah berupa slag II dalam jumlah besar. Slag II sebagai terak pada proses peleburan timah masih mengandung beberapa unsur utama antara lain 0,0619% uranium, 0,530% thorium, 0,179% P2O5, dan 6,194% logam tanah jarang (LTJ) oksida total. Berdasarkan fakta tersebut, maka sangat menarik untuk meneliti pengolahan slag II, terutama untuk memisahkan uranium dan thorium yang terkandung di dalamnya. Uranium dan thorium dilarutkan dengan pelarut asam (H2SO4). Recovery pelarutan slag II dari hasil peleburan timah pada kondisi optimum adalah 98,52% uranium, 83,16% thorium, 97,22% fosfat, dan 69,62% LTJ. Uranium, thorium, LTJ, dan fosfat yang telah terlarut diendapkan agar masing-masing unsur terpisah. Faktor yang mempengaruhi kesempurnaan reaksi pada pengendapan antara lain reagen yang digunakan, pH reaksi, suhu, dan waktu. NH4OH digunakan sebagai reagen pengendapan dengan kondisi optimum proses pada pH 4. Suhu dan waktu reaksi tidak mempengaruhi proses. Recovery pengendapan yang dihasilkan adalah 93,84% uranium dan 84,33% thorium. Kata kunci: pengendapan, uranium, thorium, slag II, recovery
KOMUNIKASI INSTRUKSIONAL GURU DALAM PROSES PEMBELAJARAN PROGRAM KEAHLIAN REKAYASA PERANGKAT LUNAK DI SMKN2 PEKANBARU Anggraini, Mutia; Salam, Noor Efni
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Vol 4, No 2: WISUDA OKTOBER 2017
Publisher : Fakultas Ilmu Sosial dan Ilmu Politik Universitas Riau

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Abstract

Software Engineering is one of the majors on SMKN2 that many of its enthusiasts. In this department studied is not just about computers but students are taught to create a program that will be used on computer software. The creation of an application program is guided by the teacher who instructs the students. In giving instruction teachers use instructional communication in the learning process. This study aims to determine the method of instructional communication, instructional communication media, and communication barriers that occur in the learning process of software engineering skills program.This research uses qualitative research method with symbolic interaction approach. Informants from this research are three teachers, three students and headmaster SMKN 2 Pekanbaru, while the object of this research is teacher instructional communication in learning process of software engineering skill program at SMKN 2 Pekanbaru. Data collection techniques used in the form of observation, interview and documentation. In achieving the validity of the data in this study, the authors use extension of participation and triangulation.The results showed that instructional communication of teacher in learning process of software engineering skill program at SMKN 2 Pekanbaru using three instructional communication method that is lecture method, individual method and method of discussion and presentation. The methods used are very helpful in understanding the students making the application program. The media used are audio media, visual media, audiovisual media and media aids. Media is often used and effective in its use of audio media and media aids. In the process of learning software engineering skills program is inseparable from the barriers that can affect the smooth learning. Instructional communication barriers that occur are the barriers to the source, obstacles to the channel, barriers to communicants and psychological barriers. Teachers as communicators use verbal and nonverbal symbols in instructional communication activities.Keyword : instructional communicatio, learning, learning process
DAMPAK PSIKOLOGIS TOKOH ISABELLA DALAM NOVEL ISABELLA KARYA MAULANA MUHAMMAD SAEED DEHLVI Mutia Anggraini; Abdurahman Abdurahman; Hamidin Hamidin
Jurnal Bahasa dan Sastra Vol 1, No 1 (2012): Seri A
Publisher : Faculty of Languages and Arts, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/81890

Abstract

The purpose of this research is to describe the role and impact of converting psychological character Isabella in the novel Isabella works of Maulana Muhammad Saeed Dehlvi by: (1) aspects of the Id, (2) aspects of the Ego, (3) aspects of the Super Ego. The data of this research are the word, phrase, phrases, and sentences that lead to the converting by Isabella that author expressed in the story. The data resources is founded in the novel itself. The data is collected by using descriptive methode that priorityzing the interaction interconcepts that studied empirically. The result of this research is thebpsychological impact that experienced by Isabella in the novel Isabella caused by id impulse that dominating herself.
Analytical Method Validation of Thorium in Ore Sample Using UV-Vis Spectrophotometer Indryati, Suci; Hidayat, Amalia Ekaputri; Pratama, Afiq Azfar; Laksmana, Roza Indra; Widana, Kurnia Setiawan; Ramlan, Muhammad Alif; Purwanti, Tri; Prassanti, Riesna; Anggraini, Mutia; Rommy, Rommy
EKSPLORIUM Vol 44, No 2 (2023): November 2023
Publisher : Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/eksplorium.2023.6965

Abstract

Monazite contains several rare earth elements (REE) along with radioactive elements, i.e., thorium (Th) and uranium (U). Thorium content in monazite is several times higher than uranium. Monazite contains around 12% thorium oxide, but the thorium content in this mineral varies depending on location. To determine the thorium content in monazite, an appropriate and validated analytical method is needed so that the reliability of the test results can be trusted. Apart from that, method validation is one of the clauses in SNI ISO/IEC 17025:2017 that must be fulfilled by the laboratory to be certified and produce reliable data. This research aims to validate analytical methods for non-standard and modified methods that are likely to be used outside the scope. In this research, the method used to digest and analyze thorium in mineral samples refers to the ASTM E2941-14 method with several modifications. Therefore, the analysis method needs to be validated. Validation of the analytical method is carried out by testing several parameters such as linearity and working range tests, accuracy, precision (repeatability), Limit of Detection (LOD), and Limit of Quantitation (LOQ). The results of linearity, accuracy, and repeatability tests that meet the acceptance requirements can be used as a method of validation evaluation. The results of the method validation parameter test met the acceptance requirements, with the linearity test showing a coefficient of determination (R2) of 0.997, the accuracy test showing % a recovery value of 106.22%, and the precision (repeatability) test showing %RSD of 3.76% with LOD value is 0.650 mg/L, and LOQ is 0.724 mg/L. Based on the results of these parameter tests, the method for analyzing thorium in mineral samples was validated.
Validation of The Gravimetry Method for Determining Rare Earth Elements Oxides Pratama, Afiq Azfar; Hidayat, Amalia Ekaputri; Rommy, Rommy; Indryati, Suci; Laksmana, Roza Indra; Trinopiawan, Kurnia; Purwanti, Tri; Widana, Kurnia Setiawan; Putra, Aditya Widian; Anggraini, Mutia; Nasrullah, Dzaki Hasan
EKSPLORIUM Vol 45, No 1 (2024): May 2024
Publisher : Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/eksplorium.2024.6972

Abstract

The demand for minerals to meet technological developments is increasing, including minerals that contain rare earth elements (REE). The levels of REE in solids can be determined using conventional analysis methods (gravimetry) and instruments. Even though the instrument method provides more accurate results with a small amount of analyte, the cost is higher compared to the gravimetric method, which requires more analyte and provides good results. Therefore, the gravimetric method is a solution for areas with limited instruments and budgets. The study aims to validate the gravimetric method for determining REE oxides levels, evaluate its precision and accuracy, and assess its feasibility of use. In this study, two methods were used for REE analysis: the ASTM E2941-14 method with sample weight modification and the addition of acid to increase REE oxides recovery and a precipitation method using oxalic acid. The validation stages include sample dissolution, precipitation, filtration, and ash-making. The research results show that the RSD value is 0.3154, which is smaller than 2/3 of Horwitz's CV, namely 4.1727, which means it meets the precision acceptance requirements of ISO/IEC 17025:2017. The REE oxides recovery value, which indicates accuracy, also increased to 97.74%. Therefore, the gravimetric method can be used as an alternative for determining REE oxides levels.
Tinjauan Hasil Riset Pada Badan Riset Dan Inovasi Daerah (Brida) Dalam Mendukung Pembangunan Kota Medan Kholidah Lidya Lubis; Mutia Anggraini; Lilis Apriyaningsih
Journal of Islamic Economics and Finance Vol. 2 No. 4 (2024): November: Journal of Islamic Economics and Finance
Publisher : STIKes Ibnu Sina Ajibarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59841/jureksi.v2i4.1828

Abstract

This study discusses the importance of the presence of research and innovation management institutions that are increasingly recognized along with the needs of the Government and local governments to resolve problems, development gaps and find solutions to regional government problems. This can be interpreted that BRIDA is not only transformed into a manager of supporting functions in the field of research and development as before but its presence is required to be able to fundamentally change the governance of research and development and increase its connectivity with the innovation system and global competitiveness. In the perspective of regional government policy, it is required to be able to formulate quality and evidence-based policies. This study aims to analyze the role of the Regional Research and Innovation Agency in supporting the development process of the city of Medan and supporting the development of the city of Medan. The method used in this study is a qualitative descriptive method. Data collection techniques in the form of observation and documentation. Based on the results of the study, it was obtained that the Regional Research and Innovation Agency has a policy formulation and strategy that supports the vision of developing the city of Medan into an innovative and highly competitive city. Then the Regional Research and Innovation Agency has great potential to continue to be the main driver of sustainable and innovative city development.
Prestasi Mahasiswa Berstatus Nikah pada Masa Studi di Universitas Islam Sumatera Utara Anggraini, Mutia; Maulana, Mohammad Firman; Sumiati, Sumiati
ANWARUL Vol 4 No 6 (2024): DESEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/anwarul.v4i6.4198

Abstract

This study aims to explore the motivations, impacts, and academic achievements of students who marry while pursuing their studies at the Universitas Islam Sumatera Utara. The research uses a qualitative approach with data collection through interviews, observations, and documentation. Primary data was obtained from interviews with five students who married during their studies, while secondary data was gathered from relevant literature and journals. The findings reveal that the main motivations for students to marry during their studies are to avoid zina (adultery), uphold religious commitments, and prepare for family life. The impact of marriage includes difficulties in balancing study time with household responsibilities, but students report receiving positive emotional support from their spouses. On the other hand, some students face challenges in completing their studies on time and experience disagreements with their spouses. Their academic achievements vary, with some students graduating on time, although there were delays in thesis work and class attendance. This study provides insights into the challenges and opportunities faced by married students, as well as the importance of social support and effective communication with spouses to overcome these obstacles.
Analisis Preferensi, Perilaku, dan Faktor yang Mempengaruhi Penggunaan Qris dalam Transaksi Digital di Kalangan Mahasiswa dan Pengguna Media Sosial : (Studi pada Mahasiswa UNPAB) Mutia Anggraini; Rusiadi, Rusiadi
EKONOMIKA45 :  Jurnal Ilmiah Manajemen, Ekonomi Bisnis, Kewirausahaan Vol. 12 No. 2 (2025): Juni: Jurnal Ilmiah Manajemen, Ekonomi Bisnis, Kewirausahaan
Publisher : Fakultas Ekonomi Universitas 45 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30640/ekonomika45.v12i2.4504

Abstract

This study was carried out with the objective of examine the level of perception of the usefulness of QRIS, ease of use of QRIS, the influence of social media, and infrastructure & system support significantly contribute to the tendency of student preferences and preferences of social media users. This study adopts a quantitative approach as a framework in the analysis. The target population includes students from the Faculty of Social Sciences, Panca Budi Development University, which is divided into five study programs: Law, Management, Accounting, Development Economics, and Taxation, who also act as active users of social media. The sample consisted of 100 respondents selected using the Non Probability method through purposive sampling techniques. The data collection process was carried out by distributing survey instruments in the form of questionnaires. All data collected were analyzed using SPSS software, with stages of analysis including instrument testing, classical assumption testing, simultaneous regression analysis, and hypothesis testing as a form of statistical verification.
Co-Authors Abdurahman . Budi Sarono, Budi Efni Noor Salam Hamidin Hamidin Hidayat, Amalia Ekaputri Indryati, Suci Kholidah Lidya Lubis Kurnia Setiawan Widana Kurnia Trinopiawan Laksmana, Roza Indra Lilis Apriyaningsih Maulana, Mohammad Firman Nasrullah, Dzaki Hasan Pratama, Afiq Azfar Purwanti, Tri Putra, Aditya Widian Ramlan, Muhammad Alif Riesna Prassanti Rommy, Rommy Rusydi Rusydi Sugeng Waluyo Sujono Sujono, Sujono Sumiati Sumiati