Results 81 to 90 of about 211,656 (309)

Remarkable Recovery After Delayed High‐Dose Methylprednisolone in a Rare Case of Penetrating Spinal Cord Injury

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Traumatic spinal cord injury (TSCI) caused by sharp‐force penetration is exceptionally rare, and the use of high‐dose methylprednisolone (MP) remains highly controversial, especially beyond the conventional 8‐h treatment window. This case report describes a 30‐year‐old male with acute incomplete TSCI following a knife stab wound to the right ...
Honghong Wang   +5 more
wiley   +1 more source

Economic Recovery from the Argentine Great Depression: Institutions, Expectations, and the Change of Macroeconomic Regime [PDF]

open access: yes
This work explores how Argentina overcame the Great Depression and asks whether active macroeconomic interventions made any contribution to the recovery.
Gerardo della Paolera, Alan M. Taylor
core  

GOLD RECOVERY FROM WASTE PRINTED CIRCUIT BOARD IODIDE LEACHATES USING A NOVEL MEMBRANE-BASED ELECTROWINING PROCESS

open access: yes
The hydrometallurgical recovery of gold from waste printed circuit boards is considered a promising recycling technique. This paper presents the findings from a study investigating the feasibility of a hydrometallurgical technique to recover gold from ...
Thandazile , Moyo   +2 more
core   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera   +8 more
wiley   +1 more source

Stuck on Gold: Real Exchange Rate Volatility and the Rise and Fall of the Gold Standard [PDF]

open access: yes
Did adoption of the gold standard exacerbate or diminish macroeconomic volatility? Supporters thought so, critics thought not, and theory offers ambiguous messages.
David S. Jacks   +2 more
core  

Molecular Dynamics Studies of Shape Memory Polymers: From Bead–Spring Models to Atomistic Simulations

open access: yesAdvanced Engineering Materials, EarlyView.
Coarse‐grained (left) and atomistic (right) models of the shape memory polymer ESTANE ETE 75DT3 are shown schematically. The two representations bridge molecular detail and mesoscopic description. Both models capture shape memory behavior, linking segmental mobility and conformational relaxation of anisotropic chains to macroscopic recovery, and ...
Fathollah Varnik
wiley   +1 more source

Design and Stress Analysis of a Combined Gravity Concentration and Leaching Drum for the Small‐Scale Gold Mining Industry in Ghana

open access: yesThe Journal of Engineering
Gold recovery for small‐scale mining is 50%, dropping to 20% when recovering fine gold of particle size less than 100 microns. Gravity concentration of gold prior to cyanidation significantly improves the recovery of very fine gold; therefore, this ...
Edward Yin   +2 more
doaj   +1 more source

Recycling of Precious Metals from E-scrap [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2013
Recovery of gold and other valuable metals from electronic scrap involves a complex metallurgical flow sheet and requires state-of-the-art recovery technologies that are available in large-scale, integrated smelter and refinery operations.
Silvana Dimitrijević   +4 more
doaj  

DNA‐Templated 2D Heterostructures as Phototriggered Dynamic Nanohybrids: From Releasing Molecular Loads to Controlling Enzyme Biocatalytic Function

open access: yesAdvanced Functional Materials, EarlyView.
DNA strands are employed both as dynamic linkers and nanoscale templates for the integration of Ag2S nanoparticles on MoS2, which in turn imparted photothermal responsiveness; this feature permits the selective cargo (fluorophore, quantum dots or an enzyme) release from the MoS2 surface in response to local heat induced by light irradiation.
Kai Chen   +3 more
wiley   +1 more source

Recovery of Gold from Gold Plating Industry Wastewater Using an Agricultural Waste: Hard Shell of Apricot Stones [PDF]

open access: yesIranian Journal of Chemical Engineering, 2007
Activated carbons are extremely versatile adsorbents for major industrial significance, especially for metal ions recovery from wastewaters. In this study, the activated carbon prepared from the hard shell of apricot stones, an agricultural solid, which ...
doaj  

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