Results 191 to 200 of about 2,903,679 (247)

Molecular Preorganization Unlocks Reversible Solid‐State Photoconversion in Dianthrylnaphthalene‐Based Molecular Solar Thermal Systems

Angewandte Chemie, EarlyView.
Three dianthrylnaphthalenes were synthesized and investigated for molecular solar thermal (MOST) energy storage. Naphthyl‐based bridging units preorganize the two anthracene moieties face‐to‐face, leading to improved photoisomerization quantum yield (QY) and unlocked bidirectional photoswitching in the solid state compared to previously reported ortho ...
Nicolò Baggi, Lidiya M. Muhammad, Helen Hölzel, Liang Fei, Rebecca J. Salthouse, Mariusz Kubus, Sarah Plutzar, Magnus B. Johansen, Kurt V. Mikkelsen, Kasper S. Pedersen, Kasper Moth‐Poulsen   +10 more
wiley   +2 more sources

Minimal Dispersion on the Sphere. [PDF]

Discrete Comput Geom
Litvak AE, Sonnleitner M, Szczepanski T.
europepmc   +1 more source

Farm labor scarcity and its uneven impacts on crop producers in the United States

American Journal of Agricultural Economics, EarlyView.
Abstract This study is the first to evaluate the impacts of farm labor scarcity on producers in the United States across different crop production systems. Between 2002 and 2017, we disentangle the effects of labor scarcity from the impacts of rising commodity demand, technological change, and supply of other inputs on labor market outcomes.
Srabashi Ray, Alexandra E. Hill, Iman Haqiqi, J. Edward Taylor, Thomas W. Hertel   +4 more
wiley   +1 more source

Tunable Raman Scattering of Fe(II) Coordination Networks With Magnetic Fields

Angewandte Chemie, EarlyView.
Four heavy Hg(II) coordination networks with paramagnetic Fe(II) sites reveal strong and halogen‐tunable low‐frequency (LF) sub‐terahertz phonons and field‐dependent magnetic transitions. LF phonon spectroscopy and Raman magnetospectroscopy are powerful probes of structure, low‐energy vibration, zero‐field splitting, and spin–phonon coupling supported ...
Guanping Li, Olaf Stefanczyk, Joseph M. Flitcroft, Jonathan M. Skelton, William T. Morrillo, Meagan Oakley, Lulu Xiong, Koji Nakabayashi, Dmitry Smirnov, Komalavalli Thirunavukkuarasu, Mykhaylo Ozerov, Shin‐ichi Ohkoshi, Nicholas F. Chilton   +12 more
wiley   +2 more sources

A De Giorgi conjecture on the regularity of minimizers of Cartesian area in 1D. [PDF]

Ann Univ Ferrara Sez 7 Sci Mat
Bellettini G, Kholmatov SY.
europepmc   +1 more source

Mechanochemical Defluorination of Polytetrafluoroethylene (PTFE) With Base Metals

Angewandte Chemie, EarlyView.
Polytetrafluoroethylene (PTFE) mechanochemically reacts with safe‐to‐handle, abundant, and inexpensive base metals Zn and Al, as well as with metals like Cd and Pb, to produce sp2‐carbon and industrially important metal fluorides. The reactivity presents PTFE as a mechanochemical fluorination agent, with opportunities for closed‐loop reductive ...
Anže Zupanc, A. R. Bonnie J. Lutton Gething, Alex J. Green, Shrestha Banerjee, Moosa Wasim, Luis Simbari, Benjamin B. Duff, Peter R. Slater, Dominik J. Kubicki, Erli Lu, Tomislav Friščić   +10 more
wiley   +2 more sources

Post-Ejection Reorientation of Rice Pot Seedlings for Automated Transplanting: Mechanism and Optimization of a Cam-Driven Continuous Picking System. [PDF]

Plants (Basel)
Wu J, Li C, Huang H, Xu P, Fang P, Yu J, Cai J, Chen X, Liu M.   +8 more
europepmc   +1 more source

Domain-specific motor skill outcomes following a structured play-based motor intervention in preschool children: a cluster-randomized controlled trial. [PDF]

Front Sports Act Living
Agnese M, Massaro S, Cottone R, Scardina A, Lo Dico F, Honório S, Bellafiore M, Tabacchi G.   +7 more
europepmc   +1 more source

Design of Giant Negative Thermal Expansion Based on a Fluorite Structure

Angewandte Chemie, EarlyView.
Ba[B(CN)4]2 with a fluorite structure possessing a large average atomic volume was successfully synthesized for the first time. In situ powder X‐ray diffraction measurements revealed that Ba[B(CN)4]2 exhibits giant negative thermal expansion (NTE) behavior through non‐rigid unit modes with strongly negative Grüneisen parameters.
Ayano Umakoshi, Takuo Minato, Akira Miura, Tom Ichibha, Ryo Maezono, Masahiro Sadakane   +5 more
wiley   +1 more source