Results 91 to 100 of about 3,274,429 (296)

Copper emission during thermal treatment of simulated copper sludge

open access: yes, 2012
[[abstract]]This study evaluates Cu emissions in air-particulate and gas phases during thermal treatment of simulated copper sludge by a rotary kiln. Influences of operating parameters, including treatment temperature (400–700 °C), rotary speed (0.89–2 ...
Hsien, Yi-Lin   +4 more
core  

Copper in Ancient India [PDF]

open access: yes, 1918
So far as India is concerned, it appears that copper was known in the later Vedic age and specially in the Brahman age, and it does not appear to have been mentioned in the Rig-Veda, the earliest of the Vedas.
Neogi, Panchanan., Neogi, Panchanan
core  

Grain Refinement of Permanent Mold Cast Copper Base Alloys [PDF]

open access: yes, 2005
Grain refinement is a well established process for many cast and wrought alloys. The mechanical properties of various alloys could be enhanced by reducing the grain size.
J.P.Thomson   +4 more
core   +1 more source

Scalable liquid-phase synthesis of core–shell absorbers: Synergistic dielectric/magnetic losses dominating microwave attenuation

open access: yesNano Research
Dielectric-magnetic composite material that incorporate both dielectric and magnetic loss mechanisms are progressively emerging as the design paradigm for high-performance electromagnetic wave (EMW) absorbing materials. However, it remains challenging to
Zhijian Xu   +12 more
doaj   +1 more source

Calculation of core loss and copper loss in amorphous/nanocrystalline core-based high-frequency transformer

open access: yesAIP Advances, 2016
Amorphous and nanocrystalline alloys are now widely used for the cores of high-frequency transformers, and Litz-wire is commonly used as the windings, while it is difficult to calculate the resistance accurately.
Xiaojing Liu   +5 more
doaj   +1 more source

Ionic Precursors Transformed Into Vinyl Acetate Synthesis Catalyst via Reaction‐Driven Restructuring

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates that a simple physical mixture of Pd and Au ionic precursors, KOAc promoter, and SiO2 support can transform into a highly active vinyl acetate synthesis catalyst through reaction‐driven restructuring. The results highlight reaction‐induced restructuring as an innovative and sustainable catalyst design strategy.
Byeong Jun Cha   +11 more
wiley   +1 more source

Iron, copper, zinc, magnesium, and calcium in postmortem brain tissue from schizophrenic patients [PDF]

open access: yes, 1994
The regional distribution of iron, copper, zinc, magnesium, and calcium in postmortem brain of schizophrenic patients was compared with that of matched controls.
Kruzik, P.   +6 more
core   +1 more source

Ambient‐Stable Transparent P‐Type CuI Transistors Via Room‐Temperature Pulsed Laser Deposition

open access: yesAdvanced Functional Materials, EarlyView.
An in situ PLD fabricated AlOx${\rm AlO}_x$/CuI/AlOx${\rm AlO}_x$ sandwich structure enables stable CuI TFTs with a field‐effect mobility of 2.3 ±$\pm$ 0.7 cm2${\rm cm}^{2}$ V−1${\rm V}^{-1}$ s−1${\rm s}^{-1}$ and excellent ambient stability. Complementary inverters based on CuI:Rb and ZnO:Al exhibit rail‐to‐rail voltage transfer characteristics and an
Yang Chen   +5 more
wiley   +1 more source

Testing for Market Power under the Two-Price System in the U.S. Copper Industry [PDF]

open access: yes
Before 1978, most of the U.S. domestic copper production and an important fraction of the imports were traded at a price set by the major U.S. producers.
Claudio Agostini
core  

The effectiveness of conventional trickling filter treatment plants at reducing concentrations of copper in wastewaters [PDF]

open access: yes, 2009
This is the post-print version of the final paper published in Science of the Total Environment. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural ...
Ziolko, D   +3 more
core   +1 more source

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