Items where Author is "Rajagukguk, Juniastel"

Sinaga, Bornok and Setiawan, Deny and Darwin and Rajagukguk, Juniastel (2023) PELATIHAN GURU DALAM MENGEMBANGKAN ASESMEN AUTENTIK DALAM PEMBELAJARAN DI SEKOLAH. In: Seminar Nasional Pengabdian kepada Masyarakat, Seminar dalam Jaringan LPPM Universitas Negeri Medan, 13 September 2023, Medan.

Sinaga, Bornok and Sahyar and Darwin and Rajagukguk, Juniastel (2022) Academic Perspective for Digital Transformation of Higher Education in Postgraduate School of Universitas Negeri Medan. In: Proceedings of the 7th Annual International Seminar on Transformative Education and Educational Leadership, AISTEEL 2022, 20 September 2022, Medan, North Sumatera Province, Indonesia.

Sinaga, Bornok and Sahyar and Darwin and Simamora, Pintor and Rajagukguk, Juniastel (2022) Pelatihan Pengembangan Modul pembelajaran Berbasis Gaya Belajar dan Berfikir Siswa Pendidikan Dasar di Kota Medan. Jurnal Pengabdian kepada Masyarakat Nusantara (JPkMN), 3 (2). pp. 1051-1062. ISSN e-ISSN : 2745 4053

Hutahaean, Juniar and Rajagukguk, Juniastel and Rajagukguk, Donna Helen and Sarumaha, Chayani Setiades and Wantana, Nuanthip and Kaewkhao, Jakrapong (2022) THE EFFECT OF SODIUM FLUORIDE IN LITHIUM FLUOROPHOSPHATE (LFP) GLASSES DOPED WITH Nd2O3 ION. Integrated Ferroelectrics, 224 (01). pp. 100-109. ISSN 1058-4587 (p) ; 1607-8489 (e)

Rajagukguk, Mangasi Holong and Nahampun, Jouvan Houtten and Sirait, Megawati and Simangunsong, Wahyu and Rangkuti, Yuniar Lestari and Rajagukguk, Juniastel (2021) PEMBUATAN LEARNING MANAGEMENT SYSTEM (LMS) MR.GLBB SEBAGAI UPAYA MENGURANGI MISKONSEPSI SISWA DALAM BELAJAR DI SMA NEGERI 1 NARUMONDA. In: Prosiding Seminar Nasional Pengabdian Kepada Masyarakat "Penguatan Peran Perguruan Tinggi Dalam Meningkatkan Kualitas Hidup Di Era New Normal Melalui Hasil Pengabdian Kepada Masyarakat", 8 September 2021, LPPM Universitas Negeri Medan.

Ritonga, Winsyahputra and Harahap, Mukti Hamjah and Rajagukguk, Juniastel and Yudha, Putra Stevano Frima and Sembiring, M. Aulia Rahman (2021) Energy Efficiency of High Temperature Electric Furnace Design. Advances in Mechanics, 9 (3). pp. 750-780. ISSN 1000-0992

Rajagukguk, Juniastel and Harahap, Nursaida and Situmorang, Rappel and Hakim S., Abdul (2021) Investigation of Sm 3+-doped PBNaG glasses for orange LED applications. Journal of the Korean Physical Society, 78 (03). pp. 177-181. ISSN 0374-4884; 1976-8524

Siregar, Nurdin and Motlan and Panggabean, Jonny Haratua and Sirait, Makmur and Rajagukguk, Juniastel and Gultom, Noto Susanto and Sabir, Fedlu Kedir (2021) FABRICATION OF DYE-SENSITIZED SOLAR CELLS (DSSC) USING Mg-Doped ZnO AS PHOTOANODE AND EXTRACT OF ROSE MYRTLE (Rhodomyrtus tomentosa) AS NATURAL DYE. International Journal of Photoenergy, 2021. pp. 1-7. ISSN 1110-662X

Ritonga, Winsyahputra and Harahap, Mukti Hamjah and Yudha, Putra Stevano Frima and Rajagukguk, Juniastel (2020) Design and construction of an electrical furnace chamber based on RERIH system for high temperature. In: The 7th Annual International Seminar on Trends in Science and Science Education (AISTSSE), 17 November 2020, North Sumatera Province, Indonesia.

Anas, Latifah Hanum and Rajagukguk, Juniastel and Bunawan, Wawan (2020) Video Technology Media based on Heat and Temperature to Improve of Learner Critical Thingking. In: The International Conference on Sciences and Technology Applications, 13-14 November 2019, Garuda Plaza Hotel, Medan City, North Sumatera Province, Indonesia.

Rajagukguk, Juniastel and Fitrilawati and Sinaga, Bornok and Kaewkhao, Jakrapong (2019) Structural and spectroscopic properties of Er3+ doped sodium lithium borate glasses. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 223. pp. 1-7. ISSN 1386-1425

Rajagukguk, Juniastel and Situmorang, Rappel and Fitrilawati and Djamal, Mitra (2019) Structural, spectroscopic and optical gain of Nd3+ doped fluorophosphate glasses for solid state laser application. Journal of Luminescence, 216. pp. 1-8. ISSN 0022-2313

Rajagukguk, Juniastel and Hidayat, Rachmat and Fitrilawati (2019) Photopumped laser diode continuous wave for optical gain determination of Nd:YVO4 and Nd:YAG crystal medium. Journal of Metals, Materials and Minerals, 29 (1). pp. 16-21. ISSN 0857-6149; 2630-0508

Rajagukguk, Juniastel (2019) Comparative investigations of gadolinium based borate glasses doped with Dy3+ for white light generations. Solid State Sciences, 89. pp. 50-56. ISSN 1293-2558

Harahap, Nursaida and Rajagukguk, Juniastel and Rahmaniar and Situmorang, Rappel and Hakim S., Abdul and Kaewkhao, Jakrapong (2019) PHYSICAL AND STRUCTURAL PROPERTIES OF SM3+ DOPED PHOSPHATE GLASSES. In: The 4th International Conference on Applied Physics and Materials Application, 18-20 Sept 2019, Sumatera Utara.

Rajagukguk, Juniastel and Fitrilawati (2018) PENGARUH KONSENTRASI ION AKTIF ERBIUM (Er3+) PADA SIFAT FISIS MEDIUM GELAS BORAT-LITHIUM. Jurnal Fisika dan Aplikasinya (JFA), 14 (02). pp. 28-32. ISSN 2460-4682

Glumglochit, P. and Rajagukguk, Juniastel and Kaewkhao, Jakrapong and Kirdsiri, K. (2018) A NOVEL RADIATION SHIELDING MATERIAL FOR GAMMA-RAY: THE DEVELOPMENT OF LUTETIUM LITHIUM BORATE GLASSES. Key Engineering Material, 766. pp. 246-251. ISSN 1662-9795

Rajagukguk, Juniastel and Sari, Nurdieni Eka (2018) DETECTION SYSTEM OF SOUND NOISE LEVEL (SNL) BASED ON CONDENSER MICROPHONE SENSOR. In: International Conference on Innovation in Education, Science and Culture (ICIESC-2017), 8-9 Nov 2017, Medan.

Rajagukguk, Juniastel and Sinaga, Bornok and Sihombing, Eidi and Djamal, Mitra and Kaewkhao, Jakrapong (2017) EMISSION CROSS SECTION AND OPTICAL GAIN OF 1.06 m LASER Nd3+ DOPED BORATE GLASSES. In: The 3rd International Conference on Applied Physics and Materials Applications (ICAPMA) 2017, 31 May - 2 Jun 2017, Thailand.

Rajagukguk, Juniastel and Simamora, Pintor and Saragih, Clara Sinta and Hasibuan, Denny Pratama (2017) PENGOLAHAN PASIR BESI ALAM DELI SERDANG SEBAGAI BAHAN DASAR NANOPARTIKEL Fe3O4. In: Seminar Nasional Lembaga Penelitian Universitas Negeri Medan, 28 Sep 2017, Medan.

Simamora, Pintor and Saragih, C.S. and Hasibuan, D.P. and Rajagukguk, Juniastel (2017) SYNTHESIS OF NANOPARTICLES Fe3O4/PEG/PPy-BASED ON NATURAL IRON SAND. In: The 3rd International Conference on Applied Physics and Materials Applications (ICAPMA) 2017, 31 May - 2 Jun 2017, Thailand.

Glumglochit, P. and Rajagukguk, Juniastel and Kaewkhao, Jakrapong and Kirdsiri, K. (2017) PHYSICAL AND OPTICAL INVESTIGATION OF LUTETIUM-SODIUM-BORATE GLASSES. In: The 3rd International Conference on Applied Physics and Materials Applications (ICAPMA) 2017, 31 May - 2 Jun 2017, Thailand.

Harahap, Afni Z. and Hafni, Fitriana and Anggreani, Sepdian and Rajagukguk, Juniastel (2016) KAJIAN PENDEKATAN PERSAMAAN MAXWELL-BOLTZMANN PADA ENERGI BIOGAS. In: Seminar Nasional Inovasi dan Teknologi Informasi (SNITI) 2016, 11-12 Nov 2016, Samosir.

Lasniroha, Nurdeli and Toral, Dinda and Sutria, Yuna and Rajagukguk, Juniastel (2016) KAJIAN TERMODINAMIKA UNTUK PEMECAHAN MASALAH PADA BIDANG KESEHATAN, ENERGI DAN LINGKUNGAN. In: Seminar Nasional Inovasi dan Teknologi Informasi (SNITI) 2016, 11-12 Nov 2016, Samosir.

Handayani, Maria Ulfah and Dalimunthe, Zahrani and Indah, Rika S. and Rajagukguk, Juniastel (2016) PENENTUAN ALIRAN FLUIDA DENGAN MENGGUNAKAN PERSAMAAN NAVIER-STOKES DAN BANTUAN PERSAMAAN DIFERENSIAL. In: Seminar Nasional Inovasi dan Teknologi Informasi (SNITI) 2016, 11-12 Nov 2016, Samosir.

Siregar, Tetty S and Silvini, Yaumil and Meliala, Evy M. and Rajagukguk, Juniastel (2016) PENERAPAN BILANGAN KOMPLEKS DALAM MENENTUKAN IMPEDANSI DAN TEGANGAN PADA RANGKAIAN RLC SERI. In: Seminar Nasional Inovasi dan Teknologi Informasi (SNITI) 2016, 11-12 Nov 2016, Samosir.

Situmorang, Harbintoro and Ginting, Januarita Br. and Hendri, Hendri and Siregar, Nur Elida and Rajagukguk, Juniastel (2016) PENYELESAIAN NUMERIK MODEL AYUNAN TERPAKSA MENGGUNAKAN METODE PENGALI LAGRANGE DAN KARAKTERISTIK DINAMIKA. In: Seminar Nasional Inovasi dan Teknologi Informasi (SNITI) 2016, 11-12 Nov 2016, Samosir.

Rajagukguk, Juniastel (2016) PREPARASI, SIFAT FISIS DAN ANALISIS TERMAL MEDIUM GELAS FLUOROFOSFAT DIDOPING OLEH ION Nd3+ UNTUK APLIKASI MEDIUM PENGUAT LASER. Jurnal Einstein, 04 (03). pp. 46-52. ISSN 2338-1981

Desinta, Feny and Ummi, Shofia and Rajagukguk, Nurbaya and Rajagukguk, Juniastel (2016) REVIEW: ANALISIS PENGARUH PRODUKSI ENTROPI MAKSIMUM TERHADAP IKLIM BUMI DAN LINGKUNGAN. In: Seminar Nasional Inovasi dan Teknologi Informasi (SNITI) 2016, 11-12 Nov 2016, Samosir.

Simanjuntak, Yanthy Leonita Perdana and Aritonang, Syahruddin and Masdalipa and Rinapril and Rajagukguk, Juniastel (2016) REVIEW: KAJIAN BERBAGAI APLIKASI PLASMA NON-TERMIK. In: Seminar Nasional Inovasi dan Teknologi Informasi (SNITI) 2016, 11-12 Nov 2016, Samosir.

Rajagukguk, Juniastel and Kaewkhao, Jakrapong and Djamal, M. and Hidayat, R. and Suprijadi and Ruangtaweep, Y. (2016) STRUCTURAL AND OPTICAL CHARACTERISTICS OF Eu2+ IONS IN SODIUM-LEAD-ZINC-LITHIUM-BORATE GLASS SYSTEM. Journal of Molecular Structure, 1121. pp. 180-187. ISSN 0020-2860

Rajagukguk, Juniastel and Djamal, Mitra and Hidayat, R. and Suprijadi and Aminuddin, A. and Ruangtaweep, Y. and Kaewkhao, Jakrapong (2016) OPTICAL PROPERTIES OF Nd3+ DOPED PHOSPHATE GLASSES AT 4F3/2 - 4I11/2 HYPERSENSITIVE TRANSITIONS. The Journal of Pure and Applied Chemistry Research, 05 (03). pp. 148-156. ISSN 2541-0733

Rajagukguk, Juniastel and Djamal, M. and Suprijadi and Aminuddin, A. and Kaewkhao, Jakrapong (2016) SPECTROSCOPIC AND RADIATIVE PROPERTIES OF SEVERAL Nd3+ IONS IN BORATE GLASS SYSTEM. The Journal of Pure and Applied Chemistry Research, 05 (02). pp. 116-124. ISSN 2541-0733

Rajagukguk, Juniastel and Hidayat, R. and Suprijadi and Djamal, Mitra and Ruangtaweep, Y. and Horprathum, Mati and Kaewkhao, Jakrapong (2016) STRUCTURAL AND OPTICAL PROPERTIES OF Nd3+ DOPED Na2O-PbO-ZnO-Li2O-B2O3 GLASSES SYSTEM. Key Engineering Material, 675 (676). pp. 424-429. ISSN 1662-9795

Marwan, Khairun Nisa and Putri, Meutia Kemala and Harahap, Saima Putrini R. and Rajagukguk, Juniastel (2016) KAJIAN VISUALISASI GELOMBANG TSUNAMI MENGGUNAKAN METODE LATTICE BOLTSMAN. In: Seminar Nasional Inovasi dan Teknologi Informasi (SNITI) 2016, 11-12 Nov 2016, Samosir.

Rajagukguk, Juniastel and Simamora, Pintor and Aminuddin, A. and Djamal, M. and Suprijadi and Hidayat, R. (2015) PREPARASI DAN KARAKTERISASI SIFAT FISIS ION ND3+ DIDOPING PADA GELAS NA2O-PBO-ZNO-LI2O-B2O3. Jurnal Spektra, 16 (03). pp. 56-61. ISSN 2541-3392

Djamal, M. and Rajagukguk, Juniastel and Hidayat, R. and Suprijadi and Kaewkhao, Jakrapong (2015) ENHANCED 1057 nm LUMINESCENCE PEAK AND RADIATIVE PROPERTIES OF LASER PUMP Nd3+-DOPED SODIUM BORATE GLASSES. In: The 4th International Conference on Instrumentation, Communications, Information Technology, and Biomedical Engineering (ICICI-BME) 2015, 2-3 Nov 2015, Bandung.

Aminuddin, Ahmad and Djamal, Mitra and Suprijadi and Tjahyono, Daryono Hadi and Rajagukguk, Juniastel (2015) DISAIN DAN PEMBUATAN PEMBANGKIT ALIRAN METODE ROLL WIPER UNTUK SISTEM PENGUKURAN KONSENTRASI PORFIRIN-Fe BERBASIS SENSOR GMR. In: Seminar Nasional Fisika (SNF) 2015, 6 Jun 2015, Jakarta.

Simamora, Pintor and Rajagukguk, Juniastel and Manurung, Sondang R. (2013) STUDI PENDAHULUAN TERHADAP PENGEMBANGAN PEMBELAJARAN BERBASIS ARGUMENTASI ILMIAH MATA KULIAH FISIKA UMUM I DI KELAS INKUIRI UNTUK MENINGKATKAN PEMAHAMAN KONSEP. Jurnal Penelitian Bidang Pendidikan, 19 (02). pp. 112-121. ISSN 0852-0151

Simamora, Pintor and Manurung, Sondang R. and Rajagukguk, Juniastel (2014) SIKAP DAN PANDANGAN MAHASISWA TERHADAP PEMBELAJARAN FISIKA UMUM I BERBASIS ARGUMENTASI ILMIAH DALAM MENINGKATKAN PEMAHAMAN KONSEP. In: Seminar Nasional dan Rapat Tahunan 2014 Bidang MIPA BKS-PTN-Barat, 9-11 May 2014, Bogor.

Simamora, Pintor and Rajagukguk, Juniastel and Djamal, Mitra and Hidayat, Rahmat and Suprijadi (2015) PREPARASI DAN KARAKTERISASI SIFAT FISIS ION ND3+ DIDOPING PADA GELAS NA2O-PBO-ZNO-LI2O-B2O3. In: Seminar Nasional Fisika (SNF) 2015, 6 Jun 2015, Jakarta.

Simamora, Pintor and Rajagukguk, Juniastel and Djamal, M. and Suprijadi and Hidayat, R. (2015) COMPARATIVE CONTINUOUS WAVE (CW) LASER DIODE PUMPED OF ND3+: YVO4 AND ND3+:YAG CRYSTALS AT 1.06 UM EMISSION LASER. In: 2nd International Conference on Sensor, Sensor System, and Actuator (ICSSSA 2015), 5-6 Aug 2015, Bali.

Siregar, Nurdin and Rajagukguk, Juniastel and Sirait, Alamin (2011) PEMANFAATAN ASAM BELIMBING SEBAGAI PENGGUMPAL LATEKS. Project Report. FMIPA Unimed, Medan.

Simamora, Pintor and Manurung, Sondang R. and Rajagukguk, Juniastel (2015) PENGEMBANGAN PEMBELAJARAN FISIKA UMUM I BERBASIS ARGUMENTASI ILMIAH DALAM KELAS INKUIRI UNTUK MENINGKATKAN PEMAHAMAN KONSEP. Project Report. FMIPA Unimed.