نتایج جستجو برای: pbg

تعداد نتایج: 497  

2014
Chirag Garg

Electromagnetic bandgap (EBG) or alternatively called photonic band gap (PBG) structures have been attractive to obtain the function of unwanted frequency rejection and circuit size reduction. Researches on the PBG had been originally carried out in the optical frequency. Recently, there has been an increasing interest in microwave and millimeter wave applications of PBG circuits. This paper pr...

Journal: : 2023

Purpose: This study aims to (1) disentangle the relationship between brand origin (global vs. local) and perceptions (perceived globalness, PBG local iconness, LI), (2) investigate how consumer ethnocentrism moderates these model pathways. 
 Design/methodology/approach: We utilize a multi-method approach in two complementary studies, survey (N=253) an experiment (N=148). Findings: find tha...

Journal: :Lithuanian Journal of Physics 2022

In this paper, optical reflectance properties of an annular photonic crystal (APC) composed alternate layers double negative (DNG) material and a non-magnetized plasma (NMP) layer, immersed in free space, have been theoretically investigated studied. The spectra the PC obtained by employing transfer matrix method (TMM) for cylindrical waves case TEpolarized wave only. It has found that spectral...

Journal: :Optics express 2002
Michael Potter Richard Ziolkowski

Two structures are analyzed with numerical modeling as candidates for perpendicular coupling of optical signals from a dielectric waveguide to a photonic bandgap (PBG) waveguide. The first consists of a perfectly electric conducting (PEC) grating and PBG mirror to couple power out of the dielectric waveguide, along with a circular-like lens to couple that power into the PBG waveguide. The secon...

2009
Min-Hyuk Kim Nam-Soo Kim Young-Bae Park Se-Ho Kim Ji-Won Jung Suk-Youb Kang Young Yun Kyu-Ho Park Jin-Sup Kim Ki-jin Kim Se-Hwan Choi Kwang-Ho Ahn

A new type of compact microstrip line photonic band gap(PBG) structure employing T-type microstrip line for filter is presented. A miniature band rejection filter with four cells is simulated, fabricated, and measured. The filter with four proposed PBG structure exhibits band rejection characteristics (lower than -10dB from 23GHz~32GHz). The center frequency of stop-band is at 28GHz. The period...

Journal: :Antimicrobial agents and chemotherapy 2008
Won-Hwan Park Sung-Jae Lee Hyung-In Moon

A novel stilbene glycoside [piceid-(1-->6)-beta-d-glucopyranoside; PBG] from Parthenocissus tricuspidata was tested in vivo against Plasmodium berghei. PBG exhibited significant blood schizontocidal activity in a 4-day early infection, a repository evaluation, and an established infection, with a significant mean survival time comparable to that obtained with the standard drug, chloroquine (5 m...

Journal: :Applied and environmental microbiology 2012
Shengmin Zhou Toshiaki Narukami Misuzu Nameki Tomoko Ozawa Yosuke Kamimura Takayuki Hoshino Naoki Takaya

Microorganisms have developed mechanisms to combat reactive nitrogen species (RNS); however, only a few of the fungal genes involved have been characterized. Here we screened RNS-resistant Aspergillus nidulans strains from fungal transformants obtained by introducing a genomic DNA library constructed in a multicopy vector. We found that the AN0121.3 gene (hemC) encodes a protein similar to the ...

Journal: :Plant physiology 1993
M Witty A D Wallace-Cook H Albrecht A J Spano H Michel J Shabanowitz D F Hunt M P Timko A G Smith

Porphobilinogen (PBG) deaminase catalyzes the polymerization of four PBG monopyrrole units into the linear tetrapyrrole hydroxymethylbilane necessary for the formation of chlorophyll and heme in plant cells. Degenerate oligonucleotide primers were designed based on amino acid sequence data (generated by mass spectrometry) for purified PBG deaminase from pea (Pisum sativum L.) chloroplasts. Thes...

2006
D. P. Gaillot C. J. Summers

An advanced dielectric function has been designed to compute the photonic band structures of non-close-packed inverse opals fabricated using conformal infiltration and by a recently described sacrificial-layer technique. A model is proposed to correctly simulate complex dielectric structures resulting from conformal backfilled infiltrations. While large photonic band gaps PBGs and a reduced ref...

Journal: :Matra pembaruan : jurnal inovasi kebijakan 2022

Ketidakseimbangan antara tujuan pelayanan Persetujuan Bangunan Gedung (PBG) dan ketersediaan aparatur administrasi atau lag menjadi masalah di Dinas Pekerjaan Umum Perumahan Rakyat (Dinas PUPR) Kabupaten Tegal. Diterbitkannya Peraturan Pemerintah Nomor 16 Tahun 2021 tentang Pelaksana Undang – 28 2002 menumbuhkan optimisme untuk menyelesaikan tersebut, yaitu dengan inovasi Sistem Informasi Man...

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