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🔍 spatial analysis 📂 Physics 📄 Peer-Reviewed
Showing 216 results for "spatial analysis" in Physics · Peer-Reviewed
Physics Peer-Reviewed PDF DOI

Generating Multi-Issued Session Key by Using Semi Quantum Key Distribution With Time-Constraint

Hsing-Chung Chen, Cahya Damarjati, Eko Prasetyo, Chao-Lung Chou, Tzu-Liang Kung, Chien-Erh Weng · 2022

Information security refers to protect the information from unauthorized access or modification. Quantum Key Distribution (QKD) is a way to generate a key preventing those malicious activities. One of…

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Physics Peer-Reviewed PDF DOI

Respiratory droplet generation and dispersal during nasoendoscopy and upper respiratory swab testing.

Vanessa Y J Tan, Edward Z Y Zhang, Dan Daniel, Anton Sadovoy, Neville W Y Teo, Kimberley L Kiong, S T Toh, Heng-Wai Yuen · 2021

Respiratory particle generation and dispersal during nasoendoscopy and swab testing is studied with high-speed video and laser light illumination. Video analysis reveals droplet formation in three man…

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Physics Peer-Reviewed PDF DOI

Aerosol boxes decrease aerosol exposure only in depressurized rooms during aerosol-generating procedures in a simulation study.

Wataru Sakai, Gen Hasegawa, Tomohiro Chaki, Shunsuke Tachibana, Michiaki Yamakage · 2021

The aim of this study was to compare aerosol exposure with or without an aerosol box in a pressurized/depressurized room during aerosol-generating procedures using an experimental model. Cake flour (a…

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Physics Peer-Reviewed PDF DOI

Global, regional, and national burden of stroke and its risk factors, 1990-2019: a systematic analysis for the Global Burden of Disease Study 2019.

 · 2021

Regularly updated data on stroke and its pathological types, including data on their incidence, prevalence, mortality, disability, risk factors, and epidemiological trends, are important for evidence-…

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Physics Peer-Reviewed PDF DOI

The Condition of Air Pollution in Kraków, Poland, in 2005-2020, with Health Risk Assessment.

Paulina Traczyk, Agnieszka Gruszecka-Kosowska · 2020

Air quality changes with human health risk assessment were investigated. The measurement results obtained by the Regional Environmental Protection Inspectorate (REPI) in Kraków and our deposited parti…

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Physics Peer-Reviewed PDF DOI

Ion-Induced Electrical Isolation in GaN-Based Platform for Applications in Integrated Photonics

Khurram Hussain, Ahmed Shuja, Muhammad Ali, Zubair Ibrahim, Qaiser Mehmood · 2019

GaN based Photonic Integrated Circuits (PICs) have now become a global contender for their wide range of applications owing their physical characteristics. The GaN material system acts as a promising …

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Physics Peer-Reviewed PDF DOI

[Toxicity study of cefmatilen hydrochloride hydrate (S-1090) (2)--Single oral dose toxicity study in dogs].

 · 1970

Cefmatilen hydrochloride hydrate (S-1090) was administered at 500 and 1000 mg potency/kg once orally to beagle dogs. No deaths occurred. Vomiting, diarrhea or mucous feces occurred on the dosing day, …

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Physics Peer-Reviewed PDF DOI

A two-state Raman coupler for coherent atom optics.

 · 1970

We present results on a Raman laser-system that resonantly drives a closed two-photon transition between two levels in different hyperfine ground states of (87)Rb. The coupler is based on a novel opti…

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Physics Peer-Reviewed PDF DOI

Molecular structure and vibrational analysis of 3-Ethylpyridine using ab initio HF and density functional theory (B3LYP) calculations.

 · 1970

The FT-Raman and FT-IR spectra for 3-Ethylpyridine (3-EP) have been recorded in the region 4000-100 cm(-1) and compared with the harmonic vibrational frequencies calculated using HF/DFT (B3LYP) method…

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Physics Peer-Reviewed PDF DOI

Prospect for characterizing interacting soft colloidal structures using spin-echo small angle neutron scattering.

 · 1970

Spin-echo small angle neutron scattering (SESANS) provides a new experimental tool for structural investigation. Due to the action of spin-echo encoding, SESANS measures a spatial correlation function…

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Physics Peer-Reviewed PDF DOI

Trace Analysis of Sinomenine Hydrochloride Using CdTe/CdS Quantum Dots-enhanced Chemiluminescence.

 · 1970

A novel flow-injection chemiluminescence (FI-CL) method was described for the determination of sinomenine hydrochloride (SIN). The method was based on the inhibitory effect of SIN on the CL reaction o…

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Physics Peer-Reviewed PDF DOI

Dynamic mechanical analysis of provisional resin materials reinforced by metal oxides.

 · 1970

In this study, several provisional resin materials were investigated by dynamic mechanical analysis (DMA). The materials were autopolymerized PMMA and PEMA, light cured PMMA. Autopolymerized PMMA has …

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Physics Peer-Reviewed PDF DOI

Plasma 2-hydroxyglutarate, a promising prognostic biomarker candidate for skeletal muscle injury in Fischer 344 rats.

 · 1970

Previously, we have demonstrated the potential of plasma 2-hydroxyglutarate (2HG) as an easily detectable biomarker for skeletal muscle injury in rats. Here, we examined whether plasma 2HG was superio…

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Physics Peer-Reviewed PDF DOI

Novel polystyrene microspheres functionalized by imidazolium and the electrocatalytic activity towards H₂O₂ of its Prussian blue composite.

 · 1970

Copolymerization of styrene (St) and 1-vinyl-3-ethylimidazolium bromide (VEIB), novel poly(St-co-VEIB) microspheres were generated. Owing to the presence of imidazolium groups, such microspheres havin…

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Physics Peer-Reviewed PDF DOI

Semiquantitative immunocytochemical analysis of GABAA receptor subunit expression in the rat neostriatum.

 · 1970

A semiquantitative immunogold technique was used to investigate the levels of expression of specific GABAA receptor subunits in different regions (dorsolateral, dorsomedial and ventromedial regions) o…

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Physics Peer-Reviewed PDF DOI

p-Tolyl isocyanate derivatization for analysis of CWC-related polar degradation products by mass spectrometry.

 · 1970

Most of the precursors and/or degradation products related to the Chemical Weapons Convention (CWC) are polar. Identification of these molecules in environmental samples provides clues regarding the a…

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Physics Peer-Reviewed PDF DOI

Elucidation of the reaction mechanisms and diastereoselectivities of phosphine-catalyzed [4 + 2] annulations between allenoates and ketones or aldimines.

 · 1970

The phosphine-catalyzed [4 + 2] annulations between allenoates and electron-poor trifluoromethyl ketones or N-tosylbenzaldimine dipolarophiles have been investigated in continuum solvation using densi…

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Physics Peer-Reviewed PDF DOI

Degradation of surfactant wastewater under microwave irradiation in the presence of activated carbon assisted with nano-sized TiO2 or nano-sized ZnO.

 · 1970

An improved method treating surfactant wastewater by the addition of semiconductor material such as nano-sized TiO2 or ZnO to activated carbon (AC) with microwave (MW) irradiation was proposed so as t…

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Physics Peer-Reviewed PDF DOI

Calibration of the KRISS reference ionization chamber for certification of ²²²Rn gaseous sources.

 · 1970

A primary measurement system for gaseous (222)Rn based on the defined solid angle counting method has recently been constructed at KRISS and the reference ionization chamber used to measure the activi…

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Physics Peer-Reviewed PDF DOI

Influence of streaming potential on the transport and separation of charged spherical solutes in nanochannels subjected to particle-wall interactions.

 · 1970

In this work, we theoretically investigate the implications of streaming potential on the transport and size-based separation of charged solutes in nanoscale confinements. By employing a regular pertu…

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