Results 61 to 70 of about 769,577 (231)

Investigations on the Role of Support and Synthesis Procedure for the Rux–Cuy/CNT‐Catalysed Hydrogenolysis of Glycerol to 1,2‐Propanediol

ChemistryOpen, Volume 15, Issue 7, July 2026.
Sophisticated carbon supports like single‐ and multiwall carbon nanotubes as well as Globugraphite were used for the synthesis of bimetallic Ru–Cu catalysts, which were tested in a multi batch reactor setup for the chemical hydrogenolysis of glycerol to 1,2‐propanediol (1,2‐PDO) at 220 °C under 30 bar of hydrogen pressure in aqueous solution. Tailoring
Dominique Lumpp, Samrin Shaikh, Jan‐Dominik Krueger, Fabian Riebesehl, Christiane Roller, Charlotte Ruhmlieb, Baldur Schroeter, Carina Hedrich, Martin Ritter, Irina Smirnova, Bodo Fiedler, Jakob Albert   +11 more
wiley   +1 more source

Discovery and Timing of Four γ-Ray Millisecond Pulsars

The Astrophysical Journal
We discovered four millisecond pulsars (MSPs) in searches of 80 γ -ray sources conducted from 2015 to 2017 with the Murriyang radio telescope of the Parkes Observatory.
M. Kerr, S. Johnston, C. J. Clark, F. Camilo, E. C. Ferrara, M. T. Wolff, S. M. Ransom, S. Dai, P. S. Ray, J. E. Reynolds, J. M. Sarkissian, E. D. Barr, M. K. Kramer, B. W. Stappers   +13 more
doaj   +1 more source

Activin Signaling Inhibitors in Pulmonary Hypertension: A State‐of‐the‐Art Review

Pulmonary Circulation, Volume 16, Issue 3, July 2026.
ABSTRACT Pulmonary arterial hypertension (PAH) is a disease of abnormal pulmonary vascular remodeling and vascular obliteration that results in right heart failure and death. PAH pathogenesis is strongly associated with mutations of the Transforming Growth Factor Beta (TGF‐β) superfamily signaling pathway, which has previously been challenging to ...
Sudarshan Rajagopal, Joseph Abueg, Kevin M. Hart, Edmund Lau, Eliana C. Martinez, Nicholas W. Morrell, Ioana R. Preston, Sandeep Sahay, Namita Sood, Paul B. Yu, Nayeli G. Zayas‐Hernández   +10 more
wiley   +1 more source

A 350 MHz Green Bank Telescope Survey of Unassociated Fermi LAT Sources: Discovery and Timing of 10 Millisecond Pulsars

The Astrophysical Journal
We have searched for radio pulsations toward 49 Fermi Large Area Telescope (LAT) 1FGL Catalog γ -ray sources using the Green Bank Telescope at 350 MHz. We detected 18 millisecond pulsars (MSPs) in blind searches of the data; 10 of these were discoveries ...
P. Bangale, B. Bhattacharyya, F. Camilo, C. J. Clark, I. Cognard, M. E. DeCesar, E. C. Ferrara, P. Gentile, L. Guillemot, J. W. T. Hessels, T. J. Johnson, M. Kerr, M. A. McLaughlin, L. Nieder, S. M. Ransom, P. S. Ray, M. S. E. Roberts, J. Roy, S. Sanpa-arsa, G. Theureau, M. T. Wolff   +20 more
doaj   +1 more source

Isolated Neutron Stars

EPJ Web of Conferences, 2010
Several aspects related to astrophysics of isolated neutron stars are discussed. We start with an introduction into the “new zoo” of young isolated neutron stars.
Popov S.
doaj   +1 more source

New Mechanism of Pulsar Radio Emission

Physical Review Letters, 2002
It is shown that pulsar radio emission can be generated effectively through a streaming motion in the polar-cap regions of a pulsar magnetosphere causing nonresonant growth of waves that can escape directly. As in other beam models, a relatively low-energy high-density beam is required. The instability generates quasi-transverse waves in a beam mode at
Gedalin, M., Gruman, E., Melrose, D. B.
openaire   +3 more sources

Pulmonary Veno‐Occlusive Disease: A Focused Clinicopathologic Series

Pulmonary Circulation, Volume 16, Issue 3, July 2026.
ABSTRACT Pulmonary veno‐occlusive disease (PVOD) is a rare and aggressive subtype of pulmonary arterial hypertension characterized by fibroproliferative obstruction of post‐capillary pulmonary venules leading to increased pulmonary vascular resistance and progressive right ventricular failure.
Yub Raj Sedhai, Zein Kattih, Christopher A. Thomas, Junad M. Chowdhury, Anju Singhal, Alan S. Nyquist, Jared D. Wilkinson, Haresh Mani, Vikramjit Khangoora, Christopher S. King, Oksana A. Shlobin, Steven D. Nathan, Shambhu Aryal   +12 more
wiley   +1 more source

Tuning the Geometric and Electronic Structures in PtMn/SiO2 Catalysts via Oxygen Plasma Treatment for Enhanced Propane Dehydrogenation

Carbon and Hydrogen, Volume 28, Issue 2, Page 184-195, June 2026.
Oxygen plasma treatment promotes Pt dispersion, reducing the average Pt particle size of PtMn catalyst from 2.7 to 1.2 nm, and increases the electron cloud density of Pt. The optimized catalyst exhibits excellent mass‐normalized activity (171 molC3H8·gPt−1·h−1) and an ultralow deactivation rate constant, outperforming most reported Pt‐based catalysts ...
Wulin Yan, Ming Li, Hao Wang, Limin Zhang, Yaowen Gu, Guanghui Zhang, Xinwen Guo   +6 more
wiley   +1 more source

Gamma-ray emission from millisecond pulsars - an Outergap perspective [PDF]

Journal of Astronomy and Space Sciences, 2013
In this review paper we explain the following gamma-ray emission features from the millisecond pulsars. (1) Why is the dipolar field of millisecond pulsars so weak but the magnetic pair creation process may still be able to control the size of the ...
Kwong Sang Cheng
doaj   +1 more source

Radio pulsar variability [PDF]

Proceedings of the International Astronomical Union, 2012
AbstractPulsars are potentially the most remarkable physical laboratories we will ever use. Although in many senses they are extremely clean systems there are a large number of instabilities and variabilities seen in the emission and rotation of pulsars.
openaire   +2 more sources