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Applied Sciences, Volume 12, Issue 16

August-2 2022 - 435 articles

Cover Story: An intercomparison study was conducted to evaluate the contributions of carboxylic acids to m/z 44 (COO+) signals obtained by an on-line aerosol mass spectrometer (AMS) during a field campaign at Cape Hedo, Okinawa, in the western North Pacific Rim. We report for the first time that carboxylic acids (diacids, oxoacids, benzoic acid, and fatty acids) significantly contribute to m/z 44 signals with a strong correlation (R = 0.93); oxalic acid accounts for 16 ± 3% of the m/z 44 signals and 3.7 ± 0.9% of organic mass measured by AMS. We also found that about half of AMS m/z 44 signals can be explained by diacids and related compounds, suggesting that the remaining signals may be derived from other organic acids including monocarboxylic acids (e.g., formate and acetate) in aerosol phase. This study confirms that AMS-derived m/z 44 can be used as a surrogate tracer of carboxylic acids. View this paper
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Articles (435)

  • Article
  • Open Access
19 Citations
4,263 Views
14 Pages

Hypertension Detection Based on Photoplethysmography Signal Morphology and Machine Learning Techniques

  • Lucian Evdochim,
  • Dragoș Dobrescu,
  • Stela Halichidis,
  • Lidia Dobrescu and
  • Silviu Stanciu

22 August 2022

In our modern digitalized world, hypertension detection represents a key feature that enables self-monitoring of cardiovascular parameters, using a wide range of smart devices. Heart rate and blood oxygen saturation rate are some of the most importan...

  • Article
  • Open Access
7 Citations
5,839 Views
17 Pages

Call Failure Prediction in IP Multimedia Subsystem (IMS) Networks

  • Amr Bahaa,
  • Mohamed Shehata,
  • Safa M. Gasser and
  • Mohamed S. El-Mahallawy

22 August 2022

An explosion of traffic volume is the main driver behind launching various 5G services. The 5G network will utilize the IP Multimedia Subsystems (IMS) as a core network, same as in 4G networks. Thus, ensuring a high level of survivability and efficie...

  • Article
  • Open Access
6 Citations
7,281 Views
26 Pages

Experimental Development of Composite Bicycle Frame

  • Milan Dvořák,
  • Tomáš Ponížil,
  • Viktor Kulíšek,
  • Nikola Schmidová,
  • Karel Doubrava,
  • Bohumil Kropík and
  • Milan Růžička

22 August 2022

This article focuses on the development of a carbon composite bicycle frame using various experimental methods of structural analysis. Two types of frame specimen were used. The complete frame specimen was tested in accordance with ISO test load case...

  • Article
  • Open Access
5 Citations
2,266 Views
15 Pages

22 August 2022

Six RC short-limb shear walls with an L-shaped section, constructed with high-strength rebar and high-strength concrete, were loaded to destruction with pseudo-static loading. Experimental results were discussed and compared with L-shaped RC short-li...

  • Article
  • Open Access
1 Citations
2,465 Views
18 Pages

QoS/QoE in Flying Ad Hoc Networks Applied in Natural Disasters

  • Jesús Hamilton Ortiz Monedero,
  • José Luis Arciniegas Herrera,
  • Juan Carlos Cuellar Quiñones,
  • Carlos Andrés Tavera Romero and
  • Bazil Taha Ahmed

22 August 2022

In this work, a group of mechanisms are exposed to provide quality of experience in flying ad hoc networks using a swarm of drones in a natural disaster service. End-to-end video traffic was analyzed. The metrics used to experimentally measure QoE/Qo...

  • Review
  • Open Access
8 Citations
3,069 Views
14 Pages

22 August 2022

Soil erosion is a selective process which removes the light fraction comprised of soil organic carbon (SOC) and colloidal particles of clay and fine silt. Thus, a large amount of carbon (C) is transported by erosional processes, and its fate (i.e., e...

  • Article
  • Open Access
5 Citations
2,674 Views
13 Pages

A Data-Driven Model of Cable Insulation Defect Based on Convolutional Neural Networks

  • Weixing Han,
  • Guang Yang,
  • Chunsheng Hao,
  • Zhengqi Wang,
  • Dejing Kong and
  • Yu Dong

22 August 2022

The insulation condition of cables has been the focus of research in power systems. To address the problem that the electric field is not easily measured under the operating condition of 10 kV transmission cables with insulation defects, this paper p...

  • Review
  • Open Access
13 Citations
5,597 Views
19 Pages

Holistic Approach for Artificial Intelligence Implementation in Pharmaceutical Products Lifecycle: A Meta-Analysis

  • Konstantin A. Koshechkin,
  • Georgiy S. Lebedev,
  • Eduard N. Fartushnyi and
  • Yuriy L. Orlov

22 August 2022

Recent developments in Digital Medicine approaches concern pharmaceutical product optimization. Artificial Intelligence (AI) has multiple applications for pharmaceutical products’ lifecycle, increasing development speed, quality of the products...

  • Article
  • Open Access
5 Citations
2,937 Views
29 Pages

Generation of Controlled Synthetic Samples and Impact of Hyper-Tuning Parameters to Effectively Classify the Complex Structure of Overlapping Region

  • Zafar Mahmood,
  • Naveed Anwer Butt,
  • Ghani Ur Rehman,
  • Muhammad Zubair,
  • Muhammad Aslam,
  • Afzal Badshah and
  • Syeda Fizzah Jilani

22 August 2022

The classification of imbalanced and overlapping data has provided customary insight over the last decade, as most real-world applications comprise multiple classes with an imbalanced distribution of samples. Samples from different classes overlap ne...

  • Article
  • Open Access
8 Citations
7,734 Views
22 Pages

22 August 2022

The first main and secondary collaborative Y-shaped steel box arch bridge under construction in China is a rarely seen innovative practice among bridges already built at home and abroad, which is an attractive engineering research topic in the field...

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Appl. Sci. - ISSN 2076-3417