Zobrazeno 1 - 10
of 8 198
pro vyhledávání: '"Base metal"'
Publikováno v:
Journal of Economic Geology, Vol 16, Iss 2, Pp 1-34 (2024)
Kourcheshmeh Pb-Zn-Cu deposit is located 40 km southwest of Takestan (Qazvin province) and west of the Mardabad-Bouinzahra volcanic belt. The mineralization occurred as Pb-Zn-Cu-bearing quartz veins hosted by early-middle Eocene tuff and lava strata
Externí odkaz:
https://doaj.org/article/4c71ea10d2a24b90a53c083b4f32a3b5
Publikováno v:
South African Journal of Chemical Engineering, Vol 49, Iss , Pp 1-10 (2024)
There is a need to improve cobalt and nickel recovery from industrial waste streams such as secondary leach solutions and rechargeable battery leach solutions due to the increasing economic value of these critical metals. Ammonia is an important lixi
Externí odkaz:
https://doaj.org/article/c06b0816e2cf400fb31fd2f2386bbc1a
Publikováno v:
Folia Oeconomica Stetinensia, Vol 24, Iss 1, Pp 105-123 (2024)
Many studies have been done in the field of predicting the Volatility of Commodities; however, very little or no analysis has been conducted on any sector, industry, or indices to identify which model is best to understand the asset’s characteristi
Externí odkaz:
https://doaj.org/article/5949724d5baa4b4090335bb4596e1bfd
Autor:
Suryo Darmo, Braam Delfian Prihadianto
Publikováno v:
Rekayasa Mesin, Vol 14, Iss 3, Pp 779-790 (2023)
High hardness and wear resistance of bucket tooth are required in the face of abrasion and impact. High manganese steel is hard and ductile, making it more suitable for bucket tooth materials. Bucket tooth can wear out and need to be returned to thei
Externí odkaz:
https://doaj.org/article/3b68386aab884d81a419d1060151abec
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 8, Iss 5, p 196 (2024)
This experimental study was performed to assess whether applying a metal primer containing 10-MDP multiple times affected the repair shear bonding ability of base metal alloys to resin composites. Ten base metal alloys were randomly assigned to each
Externí odkaz:
https://doaj.org/article/5bfc1fd40594437e9b2aa74eb2b4bd02
Autor:
Laxmidhar Samal
Publikováno v:
Organizations and Markets in Emerging Economies, Vol 15, Iss 1(30) (2024)
The paper examines the leverage effects and the spillover effects in the base metal cash and futures market. The study also attempts to find the trend and the pattern of volatility clustering in the base metal markets of India. Further, the significa
Externí odkaz:
https://doaj.org/article/81d0894996934a479c148b196894b109
Autor:
Joshua Chisambi
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 57, Iss 3, Pp 305-313 (2023)
This study presents an analysis of aeromagnetic and aero-radiometric data from the Chitipa area in northern Malawi to delineate structures, hydrothermal alteration areas, and gold mineral potential zones, as well as to identify prospective regions fo
Externí odkaz:
https://doaj.org/article/d625c193eca04931b817607de0fb8219
Autor:
Jin, Jiyong
Publikováno v:
Railway Sciences, 2023, Vol. 2, Issue 2, pp. 170-178.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/RS-04-2023-0015
Autor:
Jiyong Jin
Publikováno v:
Railway Sciences, Vol 2, Iss 2, Pp 170-178 (2023)
Purpose – In order to develop high-strength, high-toughness and high-wear-resistance rails suitable for the development and application of heavy-haul railways. Design/methodology/approach – Based on the trial production of 60 kg·m−1 bainite ra
Externí odkaz:
https://doaj.org/article/6ce9e7abbeae4ff4829c195eb27883b2
Publikováno v:
Materials Open, Vol 02, Iss (2024)
This paper investigates a comparative analysis of technology computer-aided design (TCAD) versus machine learning (ML) technique for ferroelectric-based substrate metal oxide semiconductor field effect transistor (FE-MOSFET), which shows the low powe
Externí odkaz:
https://doaj.org/article/b9810cd97f524c03b4a5e564145cb49b