Results 21 to 30 of about 558,952 (106)

Fiber Ring Based Optical Frequency Comb Generator with Comb Line Spacing Tunability [PDF]

, 2005
A fiber ring based Optical Frequency Comb Generator with tunability in comb line spacing, fast tuning of 10 MHz per step with speed much better than 0.1 s, and a high coherence is ...
Shillue, William P., P.G. Huggard, Ellison, Brian N., Huggard, Peter G., Davies, Phil A., Shen, Pengbo, B.N. Ellison, W.P. Shillue, Gomes, Nathan J., P. Shen, P.A. Davies, N.J. Gomes   +11 more
core   +1 more source

Investigations of gold-sulfide mineralization and microthermometry within quartz veins/veinlets in the Gharehchay area, south of Tikmehdash, East-Azarbaidjan province, NW Iran

Iranian Journal of Crystallography and Mineralogy, 2021
The gold-bearing prospect area at Gharehchay is located in about 2 km south of Tikmehdash, East-Azarbaidjan, NW Iran. The host rocks of the gold-bearing quartz veins/veinlets are principally Eocene andesites and upper Eocene-Oligocene felsic intrusive ...
Hassani Soughi, Calagari, Sohrabi
semanticscholar   +1 more source

A monolithic MQW InP/InGaAsP-based comb generator [PDF]

, 2006
We report a monolithic optical frequency comb generator using quaternary/quaternary multiple quantum well InV/InGaAsP material as phase modulator and gain medium in a Frequency Modulated (FM) laser design. The modulation was generated by quantum confined
I. Lealman, S. Gregoire, Renaud, CC, R. Gwilliam, Pantouvaki, M, C. C. Renaud, Gregoire, S, Lealman, I, Seeds, AJ, Cannard, P, M. Pantouvaki, Gwilliam, R, A. J. Seeds, P. Cannard   +13 more
core   +1 more source

Trace elements in quartz of the veins with tungsten, gold-rare metal and silver mineralization (Bekkem and Ergelyakh granite massifs, Eastern Yakutia)

Известия высших учебных заведений: Геология и разведка, 2017
With the use of the methods of the inductively coupled plasma mass-spectrometry (ICP-MS) and infrared spectroscopy, the concentrations of Al, Ti, Li, Ge, B and rare earth elements, and the impurity centers containing group ОН?
O. A. Sustavov, D. V. Kiseleva, E. S. Shagalov   +2 more
doaj   +1 more source

Petrology and Fluid Inclusion Study of W+Sb±Au Quartz Vein Mineralization in Sebuku Island, South Kalimantan, Indonesia

Indonesian Journal of Economic Geology, 2021
Sebuku Island in South Kalimantan province has hosted one of the largest Fe-Ni laterite deposits in Indonesia. Surface mapping has discovered new ore deposit types, notably quartz-bearing W+Sb±Au ore veins in the northern Sebuku.
Arvida Noviana, A. Idrus, Yoseph Calasanctius Amita Swamidharma, I. Setiawan, Chun-Kit Lai   +4 more
semanticscholar   +1 more source

Karakteristik mineralisasi epitermal di Daerah Taran, Hulu Kahayan, Kalimantan Tengah berdasarkan studi mikroskopis, X-Ray Diffraction (XRD), dan inklusi fluida

Indonesian Journal on Geoscience, 2014
http://dx.doi.org/10.17014/ijog.vol1no3.20064Taran area is occupied predominantly by piroclastic rocks and locally intercalations of lenticular claystones and sandstones.
Danny Zulkifli Herman
doaj   +1 more source

Genesis of the Varmazyar Pb-Zn (Ag) occurrence, Tarom-Hashtjin metallogenic belt: Insights from ore geology, geochemistry and fluid inclusion studies

Journal of Economic Geology, 2022
Introduction Varmazyar Pb–Zn (Ag) occurrence, 65 km north of Zanjan, is located in the Tarom–Hashtjin metallogenic belt (THMB). The THMB has been recognized as one of the most important epithermal metallogenic belts in Iran (Kouhestani et al., 2018b ...
Afsaneh Ghorbani, Hossein Kouhestani , Mir Ali Asghar Mokhtari   +2 more
doaj   +1 more source

Analysis and demonstration of a fast tunable fiber-ring-based optical frequency comb generator [PDF]

, 2007
Fiber-ring-based optical frequency comb generators are analyzed to understand their behavior and limitations. A numerical frequency-domain model is described for studying dispersion and other phase mismatch causing effects in the fiber ring cavity, as ...
Ellison, Brian N., Huggard, Peter G., Davies, Phil A., Shen, Pengbo, Gomes, Nathan J.   +4 more
core   +1 more source

Interpretasi Mineralisasi Epitermal Berdasarkan Studi Ubahan Hidrotermal dan Tekstur Urat Kuarsa di Kawasan Hutan Lindung Taliwang, Nusa Tenggara Barat

Indonesian Journal on Geoscience, 2014
http://dx.doi.org/10.17014/ijog.vol2no3.20072Taliwang conservation forest, West Nusa Tenggara, is particularly covered by volcanic rocks consisting of alternated breccia and tuff.
Danny Zulkifli Herman
doaj   +1 more source

Pukala intrusion, its age and connection to hydrothermal alteration in Orivesi, southwestern Finland [PDF]

Bulletin of the Geological Society of Finland, 2005
The Pukala intrusion is situated in the Paleoproterozoic Svecofennian domain of the Fennoscandian Shield in the contact region between the Central Finland Granitoid Complex and the Tampere Belt.
M. Talikka, I. Mänttäri
doaj   +1 more source