Results 121 to 130 of about 579,956 (299)
Ball‐Milling Assisted Synthesis of Monofluoroalkenes
Chemistry – A European JournalAbstractA solvent‐free synthesis of valuable monofluoroalkenes was developed under ball‐milling agitation. The use of 1.0 equivalent of carbonyl substrates and 1.1 equivalent of fluorophosphonoacetate derivatives with a weak inorganic base enabled the formation of the desired products after 30 min of reaction under sustainable conditions with minimized
He Chen +6 more
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This project supports the publication "Open source ball mill" by Maryam Mottaghi, Apoorv Kulkarni, Md.
Apoorv Kulkarni +2 more
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Phase‐Dependent Oxygen Defect Energetics in Epitaxial NbN/AlN/NbN Films
Advanced Science, EarlyView.Phase dependent oxygen defect energetics in epitaxial δ‐NbN/AlN/δ‐NbN and β‐Nb2N/AlN/β‐Nb2N trilayers. Atomic‐scale analysis and first‐principles calculations reveal distinct oxygen incorporation pathways across NbN polymorphs. Layer resolved defect formation energies show that O is energetically more favorable within δ‐NbN electrodes, whereas in β ...
Prachi Garg +10 more
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A study of comminution in a vertical stirred ball mill. [PDF]
, 1993 Thesis (Ph.D.)-University of Natal, Durban, 1993.A 20 litre experimental batch and continuous test rig and 5 litre batch and 50 litre continuous test rigs for stirred ball milling were built at the University of Natal and Mintek respectively.
Tuzun, Mustafa Asim.
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The amorphization of crystalline silicon by ball milling
HeliyonThe transformation of crystalline silicon to amorphous silicon during ball milling was quantitatively measured by x-ray diffraction and electrochemical methods. Amorphous silicon was found to form rapidly from the very initial stages of ball milling. Simultaneously, the grain size of the crystalline silicon phase decreased. Under extended milling times
Roby Gauthier +6 more
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Advanced Science, EarlyView.A Sr‐free air electrode for high‐temperature solid oxide cells is designed by independently tailoring electronic conduction, ionic transport, and surface catalysis using complementary Sr‐free phases and infiltrated nanocatalysts. It delivers performance comparable to state‐of‐the‐art Sr‐containing electrodes while completely suppressing Cr‐induced ...
Ji‐eun Won +10 more
wiley +1 more source
Improvement of Ball Mill Performance in Recycled Ultrafine Graphite Waste Production for Carbon Block Applications. [PDF]
ACS Omega, 2023 Kanlayakan W +5 more
europepmc +1 more source
Robust Stitching Interface and Deep Learning Empowered Hydrogel Human‐Machine Interface
Advanced Science, EarlyView.A molecular design strategy is presented that exploits synergistic carboxylate anion–quaternary ammonium interactions to simultaneously strengthen the hydrogel–PET interface and the bulk hydrogel network. Integrated with deep learning signal processing, the stable hydrogel–PET interface enables consistent signal acquisition and reliable human‐machine ...
Hao Dong +11 more
wiley +1 more source
Ball Mill, Bradley Mine, Stibinite, Mines
, 1940 Ball mill at the Bradley Mine mill at Stibnite in Valley County, Idaho circa 1940. This photo gives a close up view of the ball mills which are used to crush ore.
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Heat‐to‐Electricity Conversion Using Barium Strontium Titanate Multilayer Capacitors
Advanced Science, EarlyView.Lead‐free barium strontium titanate multilayer capacitors convert waste heat into electricity via the Olsen electro‐thermodynamic cycle. These capacitors achieve an energy density of 3.7 J cm−3, comparable to the performance of lead‐based ceramics. Their high dielectric strength and broad operating temperature window below 100°C make them practical for
Fan Ni +10 more
wiley +1 more source