Results 71 to 80 of about 3,213,552 (278)

Sorption of rare earth coordination compounds

open access: yesЗаписки Горного института, 2020
Rare earth elements (REEs) are valuable and strategically important in many high-technology areas, such as laser technology, pharmacy and metallurgy. The main methods of REE recovery are precipitation, extraction and sorption, in particular ion exchange ...
Olga V. Cheremisina   +3 more
doaj   +1 more source

Extrusion‐Based Bioprinting of Living Bioinks for Tissue and Organ Engineering

open access: yesAdvanced Materials Technologies, EarlyView.
Extrusion‐based bioprinting is presented as the most versatile route for fabricating living, heterogeneous tissues. Its ability to combine diverse bioinks, support matrices, and advanced printhead geometries transforms familiar constraints into powerful biofabrication opportunities.
Eric Silberman   +4 more
wiley   +1 more source

Recovery of gold from thiosulfate solutions and pulps with anion-exchange resins [PDF]

open access: yes, 2002
With growing environmental and occupational safety concerns over the use of cyanide in gold processing, more acceptable alternatives are receiving increased interest. The most promising of the possible alternatives is thiosulfate.
O'Malley, Glen Peter
core  

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

Thermodynamics of ion exchange equilibrium for some uni-univalent and divalent reaction systems using strongly basic anion exchange resin Indion FF-IP

open access: yesBulletin of the Chemical Society of Ethiopia, 2008
The study on thermodynamics of ion exchange equilibrium for uni-univalent Cl-/I-, Cl-/Br-, and uni-divalent Cl-/SO42-, Cl-/C2O42- reaction systems was carried out using ion exchange resin Indion FF-IP.
P.U. Singare   +2 more
doaj  

Preparation of Deuterated Cation Exchange Resin by Ion Exchange

open access: yesHe huaxue yu fangshe huaxue
During the operation of the spallation neutron source, heavy water used as a coolant can introduce impurities. Direct purification of heavy water using conventional ion exchange resins can lead to the displacement of H+/OH−, thereby reducing the purity ...
Cheng-yang LUO   +6 more
doaj   +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

[Ion exchange resins].

open access: yesAnnali di medicina navale, 2000
新規のイオン交換樹脂の開発が続き, イオン交換速度, 交換容量, そして耐久性が改善されている。例えば, 中空糸膜状の多孔性イオン交換樹脂が, 放射線グラフト重合とそれに続くイオン交換基導入反応によって作成された。この樹脂はこれまでのビーズ状イオン交換樹脂よりも高速しかも高容量でのタンパク回収が可能である。これは, タンパク質を透過流で運び, さらにはイオン交換高分子鎖に多層でイオン交換吸着させることができるからである。
openaire   +4 more sources

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

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