Results 161 to 170 of about 27,988 (262)

Investigating Associations Between Signal Intensity of Silent MR Angiography and Hemodynamic Information From 4D Flow MRI in Brain Arteriovenous Malformation

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Whether signal intensity (SI) on Silent MRA reflects hemodynamics in brain arteriovenous malformations (BAVMs) is unclear. Objectives To evaluate the relationship between Silent MRA SI and 4D flow‐derived hemodynamic parameters and examine whether Silent MRA‐based metrics are associated with symptomatic hemorrhage in BAVM.
Linshu Yang, Xiaosheng Meng, Haining Wei, Xiaoqian Li, Yang Yu, Qin Qin, Dan Zhu, Tao Hong, Hongqi Zhang, Rui Li, Jiaxing Yu, Chunxue Wu, Jie Lu   +12 more
wiley   +1 more source

Thouless quantum walks in topological flat bands. [PDF]

Light Sci Appl
Danieli C, Conti C, Pilozzi L, Brosco V.
europepmc   +1 more source

A New Hydroclimatic Signature: Negative NAO Dominance Under Weak La Niña Conditions During the 2025–2026 Northwest Africa Floods

International Journal of Climatology, EarlyView.
Conceptual hydroclimatic pathway linking the concurrent negative North Atlantic Oscillation (NAO) phase and weak La Niña conditions to extreme February rainfall and flash flooding in Northwest Africa. ABSTRACT The winter of 2025–2026 in Morocco exhibited a rapid hydroclimatic transition from prolonged drought to widespread flooding, representing an ...
Afshin Amiri, Silvio Jose Gumiere, Hossein Bonakdari   +2 more
wiley   +1 more source

Paradoxical Suppression of Exciton Diffusion by Long-Range Interactions: A Large-Scale Nonadiabatic Dynamics Study. [PDF]

Precis Chem
Dong J, Liu Z, Wang L.
europepmc   +1 more source

From Rare to Recurrent: Intensifying Hot–Dry Extremes Across Romania

International Journal of Climatology, EarlyView.
Romania has undergone a marked shift toward more frequent and spatially extensive compound hot–dry months since the 1990s, with persistent hotspots in the eastern Moldavian Plateau and the lower Danube–Bărăgan–Black Sea lowlands and comparatively buffered conditions at higher elevations.
Viorica Nagavciuc, Monica Ionita
wiley   +1 more source

Observation of van der Waals resonances in low-energy F + H₂(<i>v</i> = 0, <i>j</i> = 1) reaction. [PDF]

Natl Sci Rev
Wang H, Wang W, Jiao Z, Li Y, Zhang H, Fu B, Huang J, Xiao C, Zhang DH, Yang X.   +9 more
europepmc   +1 more source

Coherent Stokes Raman Scattering for Simultaneous Measurement of CO2 and CH4 Temperatures

Journal of Raman Spectroscopy, EarlyView.
A three‐beam hybrid fs/ps CSRS method is employed to excite the rovibrational transitions in the Fermi‐dyad of CO2$$ {}_2 $$ and the v2$$ {v}_2 $$ mode of CH4$$ {}_4 $$. Time‐domain spectroscopic models are developed to extract the fuel and flame temperature profiles from experimental CH4$$ {}_4 $$ and CO2$$ {}_2 $$ spectra in a diffusion flame ...
Alexander M. Warner, Robert P. Lucht, Rohan M. Gejji, Carson D. Slabaugh   +3 more
wiley   +1 more source

Size Matters: Barrier Heights and Widths in the Kinetics Of Tautomerisation and Rotamerisation of Thiotropolone and Its Five‐ and Three‐Membered Cyclic Analogues

International Journal of Chemical Kinetics, EarlyView.
ABSTRACT Recent experiments by Nunes et al. have demonstrated that unprecedented control of chemical reactions is possible by narrowband infrared vibrational photo‐excitation at low temperatures in inert matrices. The generated higher energy level conformers may then undergo rotamerisation and tautomerisation reactions which provide extremely useful ...
Judith Wurmel, John M. Simmie
wiley   +1 more source

Automated Learning of a Dense Manifold of Electronic States and Electronic Energy Transfer and Reactions in Singlet O Collisions with N₂. [PDF]

Research (Wash D C)
Meng Q, Shu Y, Varga Z, Zhang D, Truhlar DG.   +4 more
europepmc   +1 more source

Sound speed contributions of solutes in water

Limnology and Oceanography: Methods, EarlyView.
Abstract Understanding sound speed in natural waters is utilized in applications such as echo sounding, side scanning, temperature field tomography, evaluating compressibility and thermodynamic properties. While established approaches, such as the UNESCO formula and TEOS‐10 package, describe sound speed in oceanic waters, the information about the ...
Ivan Selyakov, Lutz Hrdlicka, Bertram Boehrer   +2 more
wiley   +1 more source