Results 251 to 260 of about 30,307 (306)

Operando Magic Angle Spinning Solid-State NMR Spectroscopy of Methanol Photoreforming Over Titania-Coated Silica Monoliths. [PDF]

Chemistry
Ding F, König K, Böhmer J, Wisser FM, Spiecker E, Zubiri BA, Wisser D.   +6 more
europepmc   +1 more source

Electrocardiographic Imaging as Preoperative Tool in Persistent and Long-Standing Persistent Atrial Fibrillation: A Prospective Observational Study. [PDF]

Interdiscip Cardiovasc Thorac Surg
Osorio-Jaramillo E, Conci L, Schlöglhofer T, Coti I, Strassl A, Schukro C, Zimpfer D, Ehrlich MP, Ad N.   +8 more
europepmc   +1 more source

Diamond rotors for high magic angle spinning frequencies. [PDF]

J Magn Reson
Schaffer L, Preiss D, Palani RS, Wiesner N, Liu J, Strymish S, Bahri S, Linse S, Gershenfeld N, Griffin RG.   +9 more
europepmc   +1 more source

Observation of mechanical kink control and generation via acoustic waves. [PDF]

Nat Commun
Qian K, Cheng N, Serafin F, Herard N, Sun K, Theocharis G, Mao X, Boechler N.   +7 more
europepmc   +1 more source

Role of Central Arene Rotators and Ag^<b>+</b>, I^<b>+</b>, and PdCl₂ Centers in Hexagonal Macrocycles as Molecular Rotors. [PDF]

Inorg Chem
Litts NP, Lutes AK, Countryman PA, Green EA, Amore AIP, Lyons WC, France NJ, Litts AW, Bowling NP, Scanlon JD.   +9 more
europepmc   +1 more source

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Diamond rotors

Journal of Magnetic Resonance, 2023
The resolution of magic angle spinning (MAS) nuclear magnetic resonance (NMR) spectra remains bounded by the spinning frequency, which is limited by the material strength of MAS rotors. Since diamond is capable of withstanding 1.5-2.5x greater MAS frequencies, compared to state-of-the art zirconia, we fabricated rotors from single crystal diamond. When
Natalie C, Golota, Zachary P, Fredin, Daniel P, Banks, David, Preiss, Salima, Bahri, Prashant, Patil, William K, Langford, Camron L, Blackburn, Erik, Strand, Brian, Michael, Blake, Dastrup, Keith A, Nelson, Neil, Gershenfeld, Robert, Griffin   +13 more
openaire   +2 more sources

Centrifuges and Rotors

Current Protocols in Molecular Biology, 1996
AbstractThis appendix presents useful basic information, including common abbreviations, useful measurements and data, characteristics of amino acids and nucleic acids, information on radioactivity and the safe use of radioisotopes and other hazardous chemicals, conversions for centrifuges and rotors, characteristics of common detergents, and common ...
openaire   +4 more sources

Helicopter Main-Rotor/Tail-Rotor Interaction

Journal of the American Helicopter Society, 2000
Preliminary results from a study to model the interaction aerodynamics and aeroacoustics of the main and tail rotor of a helicopter in subsonic flow are presented. The configurations studied are: 1) two bladed main and tail rotors in hover, and 2) a four-bladed main rotor and two-bladed tail rotor in climbing flight.
Yin, J., Ahmed, S.R.
openaire   +3 more sources

Reentry as an Origin for Rotors

Bulletin of Mathematical Biology, 2018
The aim of the study is to understand in depth the meaning of "reentry", and to decipher if and how it can lead to malfunctions of the heart and possibly of the brain. A simple model is used to reveal the mechanism by which a single pulse of action potential rotating around a ring of excitable medium, the latter simulating a reentry circuit, can ...
Rabinovitch, A., Aviram, I., Biton, Y., Braunstein, D.   +3 more
openaire   +3 more sources