Items where Author is "Ridwan, Ridwan"

Ridwan, Ridwan and Nuryanti, Nuryanti and Radifan, Rifqi (2023) Rancang bangun sistem akuisisi data untuk dashboard android pada sepeda motor listrik. G-TECH: Jurnal Teknologi Terapan, 7 (2): 30. pp. 618-626. ISSN 2580-8737

Akhiruddin, Akhiruddin and Monika, Wattimena and Andi, Nursida and Salehudin, Salehudin and Ridwan, Ridwan (2022) The role of the sociology teacher in implementing character education. International Journal of Education and Humanities, 1 (1): 7. pp. 71-81. ISSN 2830-4578

Vera, Yulyani and Khoidar, Amirus and Ridwan, Ridwan (2018) Hubungan faktor contributing cause terhadap angka kecelakaan luka tusuk jarum suntik pada perawat di ruang rawat inap RSUD H. Abdul Moeloek Provinsi Lampung tahun 2017. Holistik: Jurnal Kesehatan, 12 (3): 9. pp. 205-215. ISSN 1978-3337

Taswanda Taryo, TT and Ridwan, Ridwan and Geni Rina Sunaryo, GRS and maniek rahmawati, mr (2018) The Strategy to Support HTGR fuels for The 10 MW Indonesia's Experimental Power Reactor (RDE). The Strategy to Support HTGR fuels for The 10 MW Indonesia's Experimental Power Reactor (RDE), 24 (1). pp. 1-16. ISSN Sari The Indonesia’s 10 MW experimental power reactor (RDE) is developed based on high temperature gas-cooled reactor (HTGR) and the program of the RDE was firstly introduced to the Agency for National Development Planning (BAPPENAS) at the beginning of

Ari Adi, Wisnu and Manaf, Azwar and Ridwan, Ridwan (2018) Absorption Characteristics of the Electromagnetic Wave and Magnetic Properties of the La0.8Ba0.2FexMn½(1-x)Ti½(1-x)O3 (x = 0.1–0.8) Perovskite System. International Journal of Technology (2015) 4, 9 (3). pp. 887-897. ISSN 2086-9614

ari adi, wisnu and Manaf, Azwar and Ridwan, Ridwan (2017) ABSORPTION CHARACTERISTICS OF THE ELECTROMAGNETIC WAVE AND MAGNETIC PROPERTIES OF THE La0.8Ba0.2FexMn½(1-x)Ti½(1-x)O3 (x = 0.1–0.8) PEROVSKITE SYSTEM. International Journal of Technology, 5. pp. 887-897. ISSN ISSN 2086-9614

Masrukan, Masrukan and Sungkono, Sungkono and Yanlinastuti, Yanlinastuti and Yulianto, Tri and Ridwan, Ridwan (2015) Pembuatan Serbuk U-6Zr Dengan Pengkayaan Uranium 19,75% Untuk bahan Bakar Reaktor Riset. Urania, 21 (3). pp. 95-104. ISSN 2528-0473

Suwardi, Suwardi and Dewayatna, Winter and Sungkono, Sungkono and Ridwan, Ridwan (2015) Model Simulation of Geometry And Stress-Strain Variation of BATAN Fuel Pin Prototype During Irradiation Test in RSG-GAS Reactor. Urania, 21 (1). pp. 39-46. ISSN 2528-0473

Suwardi, Suwardi and Dewayatna, Winter and Sungkono, Sungkono and Ridwan, Ridwan and Rifai, M (2015) MODEL SIMULATION OF GEOMETRY AND STRESS-STRAIN VARIATION OF BATAN FUEL PIN PROTOTYPE DURING IRRADIATION TEST IN RSG-GAS REACTOR. Urania Jurnal Ilmiah Daur Bahan Bakar Nuklir, 21 (1). ISSN 0852-4777

Masrukan, Masrukan and Sungkono, Sungkono and Yanlinastuti, Yanlinastuti and Yulianto, Tri and Ridwan, Ridwan (2015) PEMBUATAN SERBUK U-6Zr DENGAN PENGKAYAAN URANIUM 19,75 % UNTUK BAHAN BAKAR REAKTOR RISET. Urania, 21 (3). pp. 95-104. ISSN 0852-4777

Yusmartini, Eka Sri and Setiabudidaya, Dedi and Ridwan, Ridwan and Marsi, Marsi and Faizal, Faizal (2015) Synthesis and Characterization of Zero-Valent Iron Nanoparticles. Advanced Materials Research, 1112. pp. 62-65. ISSN 1662-8985

Winatapura, Didin S and Dewi, Sari Hasnah and Ridwan, Ridwan (2014) SINTESIS DAN KARAKTERISASI KOMPOSIT Fe3O4@ZnO DENGAN METODA PRESIPITASI. Jurnal Teknologi Pengelolaan Limbah (Journal of Waste Management Technology), 17 (1). pp. 71-77. ISSN ISSN 1410-9565

Yusuf, Saeful and Dewi, Sari Hasnah and Ridwan, Ridwan and Wardiyati, Siti (2013) PEMBUATAN KATALIS FENTON DARI SUMBER DAYA ALAM LOKAL UNTUK PENGOLAHAN LIMBAH ORGANIK. Jurnal Sains Materi Indonesia, 14 (4). pp. 277-283. ISSN 1411-1098

Winatapura, Didin S and Deswita, Deswita and Toifur, M. and Ridwan, Ridwan (2013) Effect of Ph on the Magnetic and Microstructure Properties of the Barium Hexaferrite. Jurnal Sains Materi Indonesia, 14 (3). pp. 173-178. ISSN 1411-1098

Winatapura, Didin S and Ridwan, Ridwan and Deswitan, Deswitan and Toifur, M. (2013) PENGARUH pH TERHADAP STRUKTURMIKRO DAN SIFAT MAGNET BARIUM HEKSAFERIT. Jurnal Sains Materi Indonesia, 14 (3). pp. 173-178. ISSN 1411-1098

Yusmartini, Eka Sri and Setiabudidaya, Dedi and Ridwan, Ridwan and Marsi, Marsi and Faizal, Faizal (2013) Characteristics of Leachate at Sukawinatan Landfill, Palembang, Indonesia. Journal of Physics: Conference Series, 423 (1).

Hariani, Poedji Loekitowati and Faizal, Muhammad and Ridwan, Ridwan and Marsi, Marsi and Setiabudidaya, Dedi (2013) Characterization of Activated Carbon from Oil Palm Shell Prepared by H3PO4 for Procion Red Dye Removal. Applied Mechanics and Materials, 391. pp. 51-55.

Purwamargapratala, Yustinus and Alfian, Alfian and Ridwan, Ridwan (2013) PENENTUAN PENCEMARAN Cr, Co, Fe, DAN Sb PADA LINDI MENGGUNAKAN METODE ANALISIS AKTIVASI NEUTRON. In: Seminar Nasional Teknik Analisis Nuklir 2013, 22 Oktober 2013, Yogyakarta.

Ridwan, Ridwan (2012) THE EFFECT OF KCN ON GOLD ADSORPTION FROM HCl SOLUTION BY SYNTHESIZED MAGNETIC ACTIVATED CARBON COMPOSITE FROM IRON SAND. Indonesian Mining Journal, 15 (1). pp. 14-20. ISSN 2527-8797

Dewi, Sari Hasnah and Ridwan, Ridwan (2012) SINTESIS DAN KARAKTERISASI NANOPARTIKEL Fe3O4 MAGNETIK UNTUK ADSORPSI KROMIUM HEKSAVALEN. Jurnal Sains Materi Indonesia, 13 (2). pp. 136-140. ISSN 1411-1098

Ridwan, Ridwan and Winatapura, Didin S (2012) KARAKTERISASI STRONSIUM HEKSAFERIT KOERSIVITAS TINGGI HASIL SINTESIS DENGAN METODE KOPRESIPITASI. Jurnal Sains Materi Indonesia, 13 (2). pp. 141-145. ISSN 1411-1098

Winatapura, Didin S and Ridwan, Ridwan (2012) PENGARUH LARUTAN PENGENDAP TERHADAP PEMBENTUKAN HEKSAFERIT BaO.6 Fe2O3. Jurnal Sains Materi Indonesia, 13 (3). pp. 173-177. ISSN 1411-1098

Ridwan, Ridwan and Mujamilah, Mujamilah and Johan, A. (2011) The Semi-Quantitative Study of Magnetization Process on Milling and Reannealing of Barium Hexaferrite (BaO.6Fe₂O₃). Atom Indonesia, 35 (2). ISSN 0126-1568

Muslih, M.Refai and Ridwan, Ridwan and Kuntoro, Iman and Minakawa, Nobuaki (2010) Applied Stress on Silicon Perfect Single Crystal for Controlling the Extinction Layer. Materials Science Forum, 652. pp. 255-259. ISSN 1662-9752

Toifur, Mohammad and Abraha, Kamsul and Ridwan, Ridwan (2009) GIANT MAGNETORESONANCE EFFECT OF NiFe/Ag/ NiFe MULTILAYERS PREPARED WITH DC SPUTTERING TECHNIQUE ON Ag DEPOSITION TIME. Berkala Fisika Indonesia, 2 (1). pp. 20-26. ISSN 2550-0465

Ridwan, Ridwan and Mujamilah, Mujamilah and Johan, Akmal (2009) The Semi-Quantitative Study of Magnetization Process on Milling and Reannealing of Barium Hexaferrite (BaO.6Fe2O3). At, 35 (2). pp. 105-113.

Sudaryanto, Sudaryanto and Mujamilah, Mujamilah and Wahyudianingsih, Wahyudianingsih and Handayani, Ari and Ridwan, Ridwan and Mutalib, Abdul (2007) PEMBUATAN NANOPARTIKELMAGNETIK BERLAPIS POLIMER BIODEGRABLE DENGAN METODE SONOKIMIA. Jurnal Sains Materi Indonesia, 8 (2). pp. 134-138. ISSN 1411-1098

Ridwan, Ridwan and Sulungbudi, Grace Tj and Mujamilah, Mujamilah (2004) Efek Metode Sintesis terhadap Sifat Magnet Bahan Barium Hexaferrite. In: Pertemuan IImiah IImu Pengetahuan dan Teknologi Bahan 2004, 7 September 2004, Serpong.

Toifur, M. and Prayoto, P and Abraha, Kamsul and Ridwan, Ridwan (2004) Penentuan Luas Permukaan Lapisan Tipis Magnetik dengan Pengolahan Citra Sampel. In: Pertemuan IImiah IImu Pengetahuan dan Teknologi Bahan 2004, 7 September 2004, Serpong.

Mujamilah, Mujamilah and Yulianti, Evi and Eko, Y.P and Sudirman, Sudirman and Ridwan, Ridwan (2004) Pengaruh Penambahan Pengencer pada Proses Sintesis dan Karakteristik Magnet Bonded Berbasis Serbuk Magnet Nd2Fe14B dan Polimer Epoksi. In: Pertemuan IImiah IImu Pengetahuan dan Teknologi Bahan 2004, 7 September 2004, Serpong.

Sudirman, Sudirman and Ridwan, Ridwan and Mujamilah, Mujamilah and Karo Karo, Aloma and Rukihati, Rukihati (2004) Sintesis dan Karakterisasi Sifat Mekanik, Kekerasan dan Kemagnetan pada Magnet Komposit Heksaferit SrM dengan polimer Termoset. In: Pertemuan IImiah IImu Pengetahuan dan Teknologi Bahan 2004, 7 September 2004, Serpong.

Ridwan, Ridwan and Mujamilah, Mujamilah and Purwanto, Setyo and Muslih, M. Refai and Yohannes, Yohannes and Febri, M and Santoso, Eddy and Mugirahardjo, Berry (2000) Vibrating Sample Magnetometer (VSM) Tipe Oxford VSM1. 2H. In: Proceeding of National Conference on Magnetic Materials I,(Puslitbang Iptek Bahan (P3IB)–BATAN, 2000, serpong.

Mujamilah, Mujamilah and Ridwan, Ridwan and Muslich, M. Refai and Purwanto, Setyo and Febri, M.I. Maya and Yohannes, Yohannes and Santoso, Eddy and Mugirahardjo, Herry (2000) VIBRATING SAMPLE MAGNETOMETER (VSM) TIPE OXFORD VSM1.2H. Prosiding Seminar Nasional Bahan Magnet I. pp. 77-81. ISSN 1411-7630

Ridwan, Ridwan and Manaf, Azwar and Mujamilah, Mujamilah and Febri, M.I. Maya and Purwanto, Setyo and Wei, Yan Qi and Yamaguchi, Y and Hamaguchi, Y and Minakawa, N (1999) CURRENT STATUS OF RESEARCH AND DEVELOPMENT ON MAGNETIC MATERIALS IN INDONESIA. Proceedings of the 1998 Workshop on the Utilization of Research Reactors, 99. pp. 117-121.

Chen, DF and Gou, C and Sun, K and Ridwan, Ridwan and Mujamilah, Mujamilah and Marsongkohadi, Marsongkohadi and Yan, Q.W and Zhang, P.L (1998) Neutron diffraction studies of Ho2Fe9Ga8-xAlx (x= 2, 4) at 50 K and 300 K. Journal of Physics: Condensed Matter, 10 (2). p. 255.

Shen, Bao-gen and Cheng, Zhao-hua and Wang, Fang-wei and Yan, Qi-wei and Ta, Hong and Liang, Bing and Zhang, Shao-ying and Boer, FR De and Buschow, KHJ and Ridwan, Ridwan (1998) Effects of Ga substitution on structure and magnetocrystalline anisotropy of Tm2Fe17. Journal of Applied Physics, 83 (11). pp. 5945-5954.

Chen, D.F and Gou, C and Sun, K and Yan, Q.W and Zhang, P.L and Shen, B.G and Gong, H.Y and Cheng, Z.H and Ridwan, Ridwan and Mujamilah, Mujamilah and Marsongkohadi, Marsongkohadi (1997) High-concentration substitution of Ga and Al in R2Fe17 (RHo or Y): A neutron study of crystallographic and magnetic structure. Physica B: Condensed Matter, 241. pp. 640-642.

Yan, Q.W and Zhang, P.L and Shen, X.D and Chen, B.G and Cheng, Z.H and Gou, C and Chen, D.F and Ridwan, Ridwan and Mujamilah, Mujamilah and Gunawan, M (1996) A high-resolution neutron study of Y2Fe17-xGax (x = 5,7). Journal of Physics: Condensed Matter, 8 (10). p. 1485.

Hao, Y.M and Zhang, P.L and Sun, X.D and Yan, Q.W and Ridwan, Ridwan and Mujamilah, Mujamilah and Gunawan, Gunawan and Marsongkohadi, Marsongkohadi (1996) A high-resolution neutron study of Y2Fe15Cr2 at 77 K including magnetic properties. Journal of Physics: Condensed Matter, 8 (9). p. 1321.

Wang, F.W and Yan, Q.W and Zhang, P.L and Sun, X.D and Hao, Y.M and Ridwan, Ridwan and Mujamilah, Mujamilah and Gunawan, M. (1996) Crystallographic and magnetic structures of Er2Fe14Mn3C studied by high-resolution powder neutron diffraction. Journal of Physics: Condensed Matter, 8 (6). p. 741.

Ridwan, Ridwan and Mujamilah, Mujamilah and Gunawan, M and Marsongkohadi, Marsongkohadi and Yan, Q.W and Zhang, P.L and Sun, X.D and Cheng, Z.H and Minakawa, Nobuaki and Hamaguchi, Yoshikazu (1996) High-Resolution Neutron Powder Diffraction Study of Dy2Fe9Al8 at 65 K. Journal of the Physical Society of Japan, 65 (2). pp. 348-350.

Marsongkohadi, Marsongkohadi and Ridwan, Ridwan (1996) Neutron scattering facilities at Serpong Nuclear Center, Indonesia. Journal Neutron News, 7 (2). pp. 12-16.

Kawano, S and Shigeoka, T and Iwata, N and Mitani, S and Ridwan, Ridwan (1993) Neutron diffraction studies of metamagnetic phase transitions in TbRu2Si2 and DyRu2Si2. Journal of Alloys and Compounds, 193 (1-2). pp. 303-305.

Yamagata, K and Koyano, N and Ridwan, Ridwan and Achiwa, N and Fujino, M and Iwata, Y and Shibuya, I (1992) Structure of M(HCOO)2·2(NH2)2CO: M = Mg, Co, Zn. Journal of Magnetism and Magnetic Materials, 104. pp. 849-850.

Fujino, M and Achiwa, N and Koyano, N and Shibuya, I and Ridwan, Ridwan and Yamagata, K (1992) Structure of tetragonal M(HCOO)2·2(NH2)2CO (M = Mn, Cd or Co). Journal of Magnetism and Magnetic Materials, 104. pp. 851-852.

Yamagata, Kazuo and Achiwa, Norio and Hashimoto, Masao and Koyano, Nobumitu and Ridwan, Ridwan and Iwata, Yutaka and Shibuya, Iwao (1992) Magnesium formate-urea (1/2). Acta Crystallographica Section C: Crystal Structure Communications, 48 (5). pp. 793-795.