Results 151 to 160 of about 3,247 (264)

Contributions to economic geology, 1906, Part I, Metals and nonmetals except fuels--Sulphur and Pyrite [PDF]

, 1907
Willis Thomas Lee
openalex   +1 more source

Threshold Currents of Vacuum Arcs With Tungsten and Copper Cathodes

High Voltage, EarlyView.
ABSTRACT This paper presents the results of an experimental study aimed at determining the threshold current for triggering a vacuum arc discharge, the probability of arc ignition and the average arc operation time depending on the current for tungsten and copper electrodes.
P. S. Mikhailov, I. L. Muzyukin, I. V. Uimanov, D. L. Shmelev, S. A. Barengolts   +4 more
wiley   +1 more source

In situ high-valued transformation of nonmetals in waste printed circuit boards into supercapacitor electrodes with excellent performance. [PDF]

RSC Adv
Xi Z, Gao R, Chen Z, Du H, Xu Z, Xu Z.
europepmc   +1 more source

Contributions to economic geology, 1922, Part I, Metals and nonmetals except fuels--Silver enrichment in the San Juan Mountains, Colorado [PDF]

, 1923
Edson S. Bastin
openalex   +1 more source

An Archaeometallurgical Investigation on Some Archaeological Metal Finds From the Sasanian Site of Jahāngir, Western Iran

Archaeometry, EarlyView.
ABSTRACT Twelve metal artifacts from recent excavations at the Sasanian archaeological site of Jahāngir in western Iran have been analyzed. These items include both decorative and utilitarian artifacts. The samples were examined using micro‐X‐ray fluorescence (μ‐XRF), scanning electron microscopy with energy‐dispersive X‐ray spectroscopy (SEM‐EDS), and
Omid Oudbashi, Leila Khosravi, Morteza Habibzadeh   +2 more
wiley   +1 more source

Herbal drug raw materials differentiation by neural networks using non-metals content

Open Chemistry, 2010
Suchacz Bogdan, Wesolowski Marek
doaj   +1 more source

A high entropy metallic-high entropy nonmetallic community as a high performance electrocatalyst for the oxygen evolution reaction and oxygen reduction reaction. [PDF]

Chem Sci
Zhang C, Li H, Su M, Li S, Gao F, Lu Q.
europepmc   +1 more source

Hybrid Functional Study on Electronic and Optical Properties of the Dopants in Anatase TiO₂. [PDF]

ACS Omega, 2023
Wanniarachchi WACP, Arunasalam T, Ravirajan P, Velauthapillai D, Vajeeston P.   +4 more
europepmc   +1 more source

Structure and electronic property of liquid chalcogenide systems - On the metal-nonmetal transition.

, 1986
Osamu Uemura
openalex   +2 more sources

Contributions to economic geology, 1920, Part I, Metals and nonmetals except fuels--A deposit of manganese ore in Wyoming [PDF]

, 1921
E.L. Jones
openalex   +1 more source