Results 31 to 40 of about 22,848 (301)

Design of High-Selectivity Asymmetric Three-Way Equal Wideband Filtering Power Divider

IEEE Access, 2019
An asymmetric three-way equal wideband filtering power divider with high selectivity is presented in this paper. The proposed three-way filtering power divider is an asymmetric structure which is composed of two different λ/4 transformers, a pair ...
Chuanming Zhu, Jian Zhang
doaj   +1 more source

3D-Printed Broadband Power Divider Based on Helical-Microstrip Transmission Line Segments

IEEE Access, 2022
This paper presents the design and electromagnetic characterization of a 3D-printed 2-way broadband power divider intended to work in the RF band from several hundred MHz up to a few GHz.
Josep Maria Lopez-Villegas, Neus Vidal, Arnau Salas Barenys   +2 more
doaj   +1 more source

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele, Calogero Virgone, Michaela Kuhlen, Sabine Irtan, Yves Reguerre, Malgorzata Krawczyk, Ewa Bien, Tal Ben‐Ami, Maja Cesen, Ricardo Lopez‐Almaraz, Andrea Ferrari, Gianni Bisogno, Dominik T. Schneider, Abbas Agaimy, Constantin Lapa, Hubert Ducou le Pointe, Rainer Claus, Catherine Daniel, Ines B. Brecht, Daniel Orbach   +19 more
wiley   +1 more source

An effective method for the determination of the locking range of an injection-locked frequency divider [PDF]

, 2008
The paper proposes a methodology for the determination of the locking range of an Injection-Locked Frequency Divider. The technique involves the use of the Warped Multi-time scale model and is applicable to oscillators in general.
Xu, Tao, Condon, Marissa
core  

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen, Calogero Virgone, Antje Redlich, Michael Abele, Ricardo Lopez‐Almaraz, Tal Ben‐Ami, Ewa Bien, Gianni Bisogno, Maja Mazic Cesen, Andrea Ferrari, Malgorzata A. Krawczyk, Yves Reguerre, Dominik T. Schneider, Ines B. Brecht, Charlotte Rigaud, Bilgehan Yalcin, Rainer Claus, Christian Vokuhl, Constantin Lapa, Jörg Fuchs, Segolene Hescot, Thomas Walter, Julien Hadoux, Daniel Orbach   +23 more
wiley   +1 more source

Highly Unequal Three-Port Power Divider: Theory and Implementation

International Journal of Antennas and Propagation, 2018
A three-port power divider consisting of a directional coupler, a Wilkinson power divider, and two transmission lines connected to them is proposed. Theoretical analysis reveals that highly unequal power division can be achieved by a feedback mechanism ...
Duolong Wu, Adriana Serban, Magnus Karlsson, Shaofang Gong   +3 more
doaj   +1 more source

Compact Dual-band Filtering Power Divider with Low Loss and High Isolation Based on Open-Circuited Stepped-impedance Resonators [PDF]

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
In this paper, a novel, compact, and high-performance dual-band filtering power divider is presented. The proposed circuit is constructed from a dual-band power divider and open-circuited stepped-impedance resonators.
Nguyen Minh Giang, Tran Bao Ngoc, Pham Van Hung, Tran Van Long, Do Tran Quang Thang   +4 more
doaj   +1 more source

Fracture toughness of schist, amphibolite, and rhyolite from the Sanford Underground Research Facility (SURF), Lead, South Dakota

Scientific Reports, 2022
The Cracked Chevron Notched Brazilian Disc (CCNBD) method was selected for Mode I fracture toughness tests on Poorman schist, Yates amphibolite, and rhyolite dikes from the EGS Collab site at the SURF in Lead, South Dakota.
Ben Jahnke, Casey Ruplinger, Charlotte E. Bate, Maciej Trzeciak, Hiroki Sone, Herbert F. Wang   +5 more
doaj   +1 more source

Venous Thromboembolism in Pediatric Bone Sarcoma Patients: A 10‐Year, Single‐Institution Experience Encompassing the COVID‐19 Pandemic

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Osteosarcoma (OS) and Ewing sarcoma (EWS) are the most common primary bone cancers in children, but acute thrombosis is poorly characterized in this population. Our study evaluated the rates of venous thromboembolism (VTE) and associated risk factors in pediatric patients with bone sarcomas treated over a 10‐year period encompassing
Sarah Kappa, Shou Xu, Mark Zobeck, Sarah E. Sartain, Nino Rainusso, Lisa Wang, Nicole Montgomery, Paige Wheaton, Sarah Whittle   +8 more
wiley   +1 more source

On Divided and Regular Divided Rings

Hacettepe Journal of Mathematics and Statistics, 2018
Summary: In this paper, we study the notion of divided and regular divided rings. Then we establish the transfer of these notions to trivial ring extension and amalgamated algebras along an ideal. These results provide examples of non-divided regular divided rings. The article includes a brief discussion of the scope and precision of our results.
openaire   +3 more sources