Results 111 to 120 of about 5,066,137 (145)

π‐Extended Silyl Enolates as Emerging Platforms in Radical Chemistry

European Journal of Organic Chemistry, Volume 29, Issue 36, 24 September 2026.
This review covers the emerging role of π‐extended silyl polyenol ethers in radical chemistry. It highlights their versatile roles as electron‐rich SOMOphiles, silyl radical cation precursors, and nucleophilic partners in radical–polar crossover manifolds, while considering recent advances in photoredox catalysis, electrochemistry, and transition metal‐
Debora Guazzetti, Kelly Bugatti, Claudio Curti, Franca Zanardi   +3 more
wiley   +1 more source

Photocatalytic Synthesis and Palladium‐Catalyzed Functionalizations of Hydrofluoroolefin (HFO‐1234ze)‐Based Vinyl Iodides

Advanced Synthesis &Catalysis, Volume 368, Issue 18, 19 September 2026.
An inexpensive industrial refrigerant, HFO‐1234ze, is transformed into a versatile fluoroalkyl building block via a scalable, solvent‐free protocol. Utilizing the metal‐free photocatalyst 4CzIPN, efficient visible‐light‐induced radical addition to alkynes reveals distinct, substrate‐dependent stereoselectivities.
Bálint Varga, Péter Szalai, Klára Aradi, Bálint Nagy, András Kotschy, Zoltán Novák   +5 more
wiley   +1 more source

d‐Sorbose Promotes Regulatory T‐Cell Differentiation and Ameliorates Autoimmune and Allergic Diseases via Hexosamine Biosynthetic Pathway Inhibition

The FASEB Journal, Volume 40, Issue 17, 15 September 2026.
d‐Sorbose promotes Foxp3+ Treg differentiation ex vivo and exerts potent anti‐inflammatory effects in vivo, ameliorating allergic airway inflammation and preventing autoimmune diabetes without compromising T cell viability or inducing toxicity.
Fumiaki Sato, Masato Hoshi, Hiroyuki Yokoi, Sayaka Yoshida, Ryosuke Takenaka, Nao Shimoga, Nanaka Morita, Chieko Tashita, Kyoka Yamazaki, Yuka Kishimoto, Hiroyuki Tezuka, Hiroyasu Ito, Kuniaki Saito   +12 more
wiley   +1 more source

Action for Wind Velocity Estimation of Tornado Implementation of Japanese Enhanced Fujita Scale

Wind Engineers, JAWE, 2016
openaire   +1 more source

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Changes in Tornado Climatology Accompanying the Enhanced Fujita Scale

Journal of Applied Meteorology and Climatology, 2021
AbstractUnited States tornado records form the basis for a variety of meteorological, climatological and disaster-risk analyses, but how reliable are they in light of changing standards for rating, as with the 2007 transition of Fujita (F) to Enhanced Fujita (EF) damage scales? To what extent are recorded tornado metrics subject to such influences that
Roger Edwards, Harold E. Brooks, Hannah Cohn   +2 more
openaire   +1 more source

The International Fujita Scale and its implementation

2023
<p>Here we report on the development of the International Fujita (IF) scale, developed by ESSL and partners, which provides a globally applicable framework for rating tornado and convective wind damage. </p> <p>Around the world, tornado damage is rated using the Enhanced Fujita (EF-)scale, the ...
Pieter Groenemeijer, Alois M. Holzer, Thilo Kühne, Tomáš Púčik   +3 more
openaire   +1 more source

The Enhanced Fujita Scale: Development and Implementation

Forensic Engineering 2009, 2009
The original Fujita Scale (F Scale) was introduced as a means of estimating the intensity of tornadoes and hurricanes by relating appearance of damage to wind speeds. The relationships were based on the extensive experience of Dr. Fujita but were never independently verified.
James R. McDonald, Kishor C. Mehta, Douglas A. Smith, J. Arn Womble   +3 more
openaire   +1 more source

The Enhanced Fujita Scale: For Use Beyond Tornadoes?

Forensic Engineering 2009, 2009
The Enhanced Fujita (EF) Scale was developed specifically for the estimation of wind speeds based on damage caused by tornado winds. Recently, the question has arisen as to whether or not the EF Scale can be reliably used in reverse to predict the amount of wind damage based on measured or estimated hurricane wind speeds, particularly when wind action ...
J. Arn Womble, Douglas A. Smith, Kishor C. Mehta, James R. McDonald   +3 more
openaire   +1 more source

Testing the scale effect predicted by the Fujita–Krugman urbanization model

Journal of Economic Behavior and Organization, 2004
Abstract This paper tests the scale effect predicted by the Fujita–Krugman [Fujita, M., Krugman, P., 1995. When is the economy monocentric? von Thűnen and Chamberlin unified. Regional Science & Urban Economics 25, 505–528] urbanization model, which implies a monotonically positive relationship between the average firm size and the degree of ...
Yongsheng Zhang, Xueyan Zhao
exaly   +2 more sources

An equation whose Fujita critical exponent is not given by scaling

Nonlinear Analysis: Theory, Methods & Applications, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Cazenave, Thierry, Dickstein, Flavio, Weissler, Fred B.   +2 more
openaire   +4 more sources