Zobrazeno 1 - 10
of 4 679
pro vyhledávání: '"BPF"'
Autor:
José Villalaín
Publikováno v:
Journal of Xenobiotics, Vol 14, Iss 3, Pp 1201-1220 (2024)
Bisphenols are a group of endocrine-disrupting chemicals used worldwide for the production of plastics and resins. Bisphenol A (BPA), the main bisphenol, exhibits many unwanted effects. BPA has, currently, been replaced with bisphenol F (BPF) and bis
Externí odkaz:
https://doaj.org/article/3e0261b60b7040408275eddfa5153468
Publikováno v:
Frontiers in Stroke, Vol 3 (2024)
ObjectiveThis study aimed to determine whether brain volume at the time of ischemic stroke injury is a better biomarker for predicting functional outcomes than brain atrophy.BackgroundBrain parenchymal fraction (BPF) has been used as a surrogate meas
Externí odkaz:
https://doaj.org/article/b0d8b6570b39428b8e2c0f2b8a4bf213
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 9, Iss , Pp 100739- (2024)
This article presents a compact dual-band Bandpass Filter(BPF) based substrate integrated waveguide(SIW) used for C and X band applications. Complementary split-ring resonators(CSRR) are loaded into the waveguide surface to obtain more advantages of
Externí odkaz:
https://doaj.org/article/33ab6da7a5cd4579b23ce14d196f4b00
Akademický článek
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Publikováno v:
Materials & Design, Vol 244, Iss , Pp 113216- (2024)
In this paper, a novel hybrid spoof surface plasmon polaritons (SSPPs) and via-free half-mode substrate integrated waveguide (HMSIW) is proposed to constitute a compact bandpass filter (BPF). Different from the conventional HMSIW with ground holes, t
Externí odkaz:
https://doaj.org/article/a249dd7f4f5f4445b665cee824bc5e6e
Publikováno v:
Materials & Design, Vol 244, Iss , Pp 113127- (2024)
This article proposes a 3-D printed high selectivity triple-band metasurface bandpass filter (BPF) for millimeter-wave applications using groove gap waveguide (GGW) technology. Firstly, the metasurface composed of electromagnetic bandgap elements in
Externí odkaz:
https://doaj.org/article/bfa1938de73e4b6fb3448f7d649ff1f7
Autor:
Benedikt Pötzl, Lydia Kürzinger, Sabine Kendl, Helga Stopper, Max Kurlbaum, Martin Fassnacht, Ulrich Dischinger
Publikováno v:
Frontiers in Endocrinology, Vol 15 (2024)
IntroductionEndocrine disrupting chemicals (EDCs) are known to interfere with endocrine homeostasis. Their impact on the adrenal cortex and steroidogenesis has not yet been sufficiently elucidated. This applies in particular to the ubiquitously avail
Externí odkaz:
https://doaj.org/article/052e8d9098e44a809705b9a6acaa9ff9
Autor:
Rudianto Raharjo, Djarot Bangun Darmadi, Femiana Gapsari, Putu Hadi Setyarini, Teguh Dwi Widodo
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100683- (2024)
Alkali treatment is often used to improve the natural fiber's performance as a bio-composite reinforcement. However, residual alkali is a chemical that is harmful to the environment. For this reason, natural fiber modification uses environmentally fr
Externí odkaz:
https://doaj.org/article/7cb1b9b7855649be8abc748e222ff7ec
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 4, Pp 749-758 (2024)
A simple technique for frequency-static multi-notch/transmission-zero (TZ) creation in RF filters with single- and dual-band bandpass transfer functions is presented. It is based on the direct connection of two identical inline filtering units withou
Externí odkaz:
https://doaj.org/article/b4088e2580124964bbbc92ac0b203c84
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 4, Pp 759-766 (2024)
This paper presents an RF-switchless two-bandpass filter (BPF) manifold with continuous multi-octave center frequency (fcen) and bandwidth (BW) tuning capabilities that are demonstrated in a wide range of frequency range 1 (FR1) bands, spanning from
Externí odkaz:
https://doaj.org/article/3d3f3fc63b1c43bca88edfb96bf8cd03