Results 81 to 90 of about 3,160,213 (280)

Progress of research related to the comprehensive recovery and utilization of tungsten smelting slag

open access: yes工程科学学报, 2018
Tungsten smelting slag is an important secondary resource, it contains tungsten, tin, tantalum, niobium, scandium, and other useful metals, which have great recycling value.
YANG Jun-yan   +8 more
doaj   +1 more source

Wireless Precise Manipulation of Tumor Spheroids Using a Millirobot Controlled by Permanent Magnetic Traps

open access: yesAdvanced Robotics Research, EarlyView.
A magnetic donut‐like millirobot is developed for label‐free pick‐and‐place of a tumor spheroid wirelessly controlled by a magnetic trap. Spheroids are important 3D multicellular culture systems that recapitulate key structural and functional features of native tissues.
Yue Gao   +8 more
wiley   +1 more source

Overcoming the Trade‐Off Between Magnetic Coupling and Electrical Insulation in Soft Magnetic Materials via Nanochain Engineering

open access: yesAdvanced Science, EarlyView.
This study employs a nanochain engineering approach combined with an in situ oxidation strategy to fabricate self‐insulating iron‐based magnetic nanochains, addressing the challenge of balancing magnetic coupling and electrical insulation in soft magnetic materials.
Dingrong Zuo   +8 more
wiley   +1 more source

Investigation of Free Flycerin and Potassium Ion Adsorption by DudaLite DW-R10 Ion-Exchange Resin

open access: yes, 2014
The goal of this project was to design and test a small-scale biodiesel refinery to accompany the biodiesel reactor in Goddard Hall. Tests were performed at varying levels of contamination and flow rate to determine the efficiency and life-span of the ...
Sherrod, Ronald D'Andre   +3 more
core   +2 more sources

Determination of zinc, nickel and cadmium in natural water samples by flame atomic absorption spectrometry after preconcentration with ion exchange and flotation techniques

open access: yesReviews in Analytical Chemistry, 2011
Two preconcentration techniques, ion exchange and flotation, were used for the determination of zinc (Zn), nickel (Ni) and cadmium (Cd) in natural water samples.
Akcin Nurgul   +2 more
doaj   +1 more source

A highly efficient ion-exchange resin supported Au-Pd alloy catalyst for Suzuki cross-coupling and Ullmann reactions in water

open access: yes, 2012
A highly efficient ion-exchange resin supported Au-Pd alloy catalyst for Suzuki cross-coupling and Ullmann reactions in ...
张涛, 张磊磊, 黄延强, 王爱琴
core  

Organic ion exchange resin separation methods evaluation

open access: yes, 1998
This document describes testing to find effective methods to separate Organic Ion Exchange Resin (OIER) from a sludge simulant. This task supports a comprehensive strategy for treatment and processing of K-Basin sludge.
Witwer, K.S.
core   +1 more source

Recent Advances in Laser‐Induced Graphene‐Based Gas Sensors: From Sensing Mechanisms to Biomedical Applications

open access: yesAdvanced Science, EarlyView.
Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Md Abu Sayeed Biswas   +6 more
wiley   +1 more source

An examination of isotherm generation : impact of bottle-point method upon potassium ion exchange with strong acid cation resin [PDF]

open access: yes, 2015
This paper relates to the importance of impact of the chosen bottle-point method when conducting ion exchange equilibria experiments. As an illustration, potassium ion exchange with strong acid cation resin was investigated due to its relevance to the ...
Couperthwaite, Sara J.   +2 more
core   +1 more source

ML Workflows for Screening Degradation‐Relevant Properties of Forever Chemicals

open access: yesAdvanced Science, EarlyView.
The environmental persistence of per‐ and polyfluoroalkyl substances (PFAS) necessitates efficient remediation strategies. This study presents physics‐informed machine learning workflows that accurately predict critical degradation properties, including bond dissociation energies and polarizability.
Pranoy Ray   +3 more
wiley   +1 more source

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