Results 181 to 190 of about 516,911 (342)

ZETA CONVERTER FOR ELECTRIC VEHICLE BATTERY CHARGER

open access: diamond
Shamrin Mohammed Kutty P, P Farzana
openalex   +1 more source

Chiral Potassium Brønsted Base‐Catalyzed Stereoselective Synthesis of 1,3‐Diols via a Tandem Allylic Isomerization/Asymmetric Aldol–Tishchenko Reaction

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
Chiral potassium base catalysts featuring 1,1´‐bi‐2‐naphthol‐derived chiral crown ethers as ligands promote a tandem allylic isomerization/asymmetric aldol‐Tishchenko reaction of allylic alcohols and aldehydes. This method provides enantioenriched 1,3‐diols with excellent diastereoselectivity and high enantioselectivity, thereby expanding the synthetic
Hiroki Ishikawa, Masahiro Sai
wiley   +1 more source

Biocatalytic Nanoregulators Restore Joint Redox‐Immune Homeostasis in Rheumatoid Arthritis

open access: yesAdvanced Science, EarlyView.
Mesenchymal stem cell‐derived extracellular vesicles (EVs) coat ruthenium‐loaded metal‐organic frameworks (Ru@ZrMOF), creating a targeted therapeutic (Ru@ZrMOF/EVs). This platform scavenges ROS, generates oxygen, and polarizes macrophages from M1 to M2, alleviating inflammation, inhibiting pannus, promoting cartilage repair, and downregulating HIF‐1α ...
Xingheng Wang   +7 more
wiley   +1 more source

PV-Hess Based Zeta Converter for BLDC Motor Drive using Fuzzy Logic Controller

open access: diamond, 2020
Pudi Roja Ramani   +2 more
openalex   +1 more source

Digital receiver study and implementation [PDF]

open access: yes
Computer software was developed which makes it possible to use any general purpose computer with A/D conversion capability as a PSK receiver for low data rate telemetry processing.
Fogle, D. A., Lee, G. M., Massey, J. C.
core   +1 more source

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