Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Syahrun Nur Madjid"'
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 18, Iss 2, Pp 344-352 (2023)
The magnetization of iron sand from Anoi Itam beach, Sabang, Indonesia, was investigated through sample testing and synthesis using the co-precipitation method. The purpose of this study is to analyze the magnetic properties of iron sand and review i
Externí odkaz:
https://doaj.org/article/91a17701ec7f489c8d01e44619eaa0a4
Autor:
Syahrun Nur Madjid
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 9, Iss 2, Pp 74-80 (2012)
Laser-Induced Breakdown Spectroscopy (LIBS) is a technique that used for quantitative elemental analysis of various samples in different forms. In this technique, a laser light is focused on the surface of sample yielding a plasma just above the samp
Externí odkaz:
https://doaj.org/article/bf613359537f4b47b0f8aa2a501abb13
Autor:
Yong Inn Lee, Syahrun Nur Madjid, Nasrullah Idris, Kiichiro Kagawa, Koo Hendrik Kurniawan, Muliadi Ramli
Publikováno v:
Journal of Materials Processing Technology. 209:3009-3021
A new electrode circuit for measuring the induced current from laser plasma produced during laser material processing has been devised. The new electrode circuit has greatly increased the possible separation between the electrodes and the workable pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a264525b7c2f94b3279f0c9f60908fbd
https://doi.org/10.1016/j.jmatprotec.2008.07.014
https://doi.org/10.1016/j.jmatprotec.2008.07.014
Autor:
Syahrun Nur Madjid, May On Tjia, Iwao Kitazima, Tadashi Maruyama, Tjung Jie Lie, Hendrik Kurniawan, Kiichiro Kagawa
Publikováno v:
Applied Spectroscopy. 57:874-877
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::adcea375280f974fd79cc2468f10c12b
https://doi.org/10.1366/000370203322102997
https://doi.org/10.1366/000370203322102997
Publikováno v:
AIP Conference Proceedings.
In laser processing, suitable conditions for laser and gas play important role in ensuring a high quality of processing. To determine suitable conditions, we employed the electromagnetic phenomena associated with laser plasma generation. An electrode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3cb0a229119c4dffe1c116b1dbb3b91
https://doi.org/10.1063/1.3573682
https://doi.org/10.1063/1.3573682
Publikováno v:
International Journal of Modern Physics: Conference Series. 32:1460338
The experimental studies have been performed on the characteristics of laser induced He plasma that give influence to the sensitivity enhancement and the long lifetime of hydrogen emission line. Under He ambient gas, the emission intensity of spectra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da37bac53dc59def500322f24ed441d2
https://doi.org/10.1142/s201019451460338x
https://doi.org/10.1142/s201019451460338x
Publikováno v:
Japanese Journal of Applied Physics. 43:1018
A third harmonic of a Nd-Yttrium Aluminum Garnet laser (355 nm, 10–50 mJ, 7 ns, 10 Hz) was focused in air or He gas at atmospheric pressure to produce microgas plasma. Two flat electrodes (25 mm×25 mm) were arranged in parallel with a 1.5 cm separ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53bf676b8ca5ce66e18caa64ca1d163d
https://doi.org/10.1143/jjap.43.1018
https://doi.org/10.1143/jjap.43.1018
Publikováno v:
Scopus-Elsevier
A Nd-YAG laser (8 ns, 79 mJ) was focused in air at 5 Torr on a zinc target in front of which a thin wire (0.32 mm � ) was placed as an obstacle near the laser focusing point (2 mm from the target and 0.75 mm from the axis of laser beam). As a resul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ff2c453a51a6a1dfb55bb5a88c606f2
http://www.scopus.com/inward/record.url?eid=2-s2.0-0036614815&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-0036614815&partnerID=MN8TOARS
Autor:
Syahrun Nur Madjid, Hendrik Kurniawan, Iwao Kitazima, Tadashi Maruyama, Tjung Jie Lie, Kazuhiro Ikezawa, Kiichiro Kagawa
Publikováno v:
Scopus-Elsevier
It was demonstrated that the atomic emission lines emitted from a low-background plasma which is produced when a Q-switched Nd-YAG laser (28 mJ, 1064 nm, 8 ns) is focused on a sample at a reduced pressure of 0.5 Torr, can be successfully applied to m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d333c52c4b3586827c1e349584ea1c83
http://www.scopus.com/inward/record.url?eid=2-s2.0-0041880575&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-0041880575&partnerID=MN8TOARS
Publikováno v:
Scopus-Elsevier
Unique techniques to study laser ablation at low cost have been devised and developed to monitor laser processing. The methods of time-resolved spatial distribution, a surface observation technique performed on-line during the laser irradiation, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d99268ef06692702b2f69266b9a4d1c
http://www.scopus.com/inward/record.url?eid=2-s2.0-0036872473&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-0036872473&partnerID=MN8TOARS