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Topic Review
Comparison between IRI and IRTAM
This paper focuses on a detailed comparison, based on the F2-layer peak characteristics foF2 and hmF2, between the International Reference Ionosphere (IRI), which is a climatological empirical model of the terrestrial ionosphere, and the IRI Real-Time Assimilative Mapping (IRTAM) procedure, which is a real-time version of IRI based on data assimilation from a global network of ionosondes. 
  • 815
  • 11 Aug 2021
Topic Review
Comparison of Road Noise Policies
Developing innovative noise policies that build on international best practices is difficult when policies around the world differ along many dimensions, ranging from different sources covered to different levels of governance involved. This is particularly critical in the context of road traffic, identified as one of the main culprits leading to noise-associated complaints and health issues. 
  • 489
  • 07 Feb 2022
Topic Review
Competitive Enterprise Institute
The Competitive Enterprise Institute (CEI) is a non-profit libertarian think tank founded by political writer Fred L. Smith Jr. on March 9, 1984, in Washington, D.C., to advance principles of limited government, free enterprise, and individual liberty. CEI focuses on a number of regulatory policy issues, including energy, environment, business and finance, labor, technology and telecommunications, transportation, and food and drug regulation. According to the 2017 Global Go To Think Tank Index Report (Think Tanks and Civil Societies Program, University of Pennsylvania), CEI is number 59 (of 60) in the "Top Think Tanks in the United States". Academic research has identified it as one of the Conservative think tanks central to promoting climate change denial.
  • 513
  • 16 Nov 2022
Topic Review
Complex Wastewater Matrices
Complex wastewater matrices present a major environmental concern. Besides the biodegradable organics, they may contain a great variety of toxic chemicals, heavy metals, and other xenobiotics. The electrochemically activated persulfate process, an efficient way to generate sulfate radicals, has been widely applied to the degradation of such complex effluents with very good results.
  • 832
  • 20 Aug 2021
Topic Review
Composites: Their Carbon Footprint
A composite can be defined as a material composed of at least two major components that contribute in complementary ways to achieving desired performance attributes. The term “carbon footprint” is often used to refer to the same concerns, since the net emission of carbon dioxide to the atmosphere is known to contribute to increases in average temperatures at ground level on the planet.
  • 508
  • 18 Jul 2023
Topic Review
Composting of Coffee By-Products
Coffee is a worldwide used product and of the most valued commodities in trade, being one of the most important agricultural exports in Costa Rica.
  • 524
  • 28 Feb 2022
Topic Review
Comprehensive Flood Risk Assessment
A comprehensive assessment of flood risk requires a step-by-step analysis, starting with hydrometeorological examinations of runoff and flow, followed by an assessment of the vulnerability of those at risk.
  • 662
  • 15 Feb 2023
Topic Review
Computational Materials Design for Ceramic Nuclear Waste Forms
Ceramic waste forms are designed to immobilize radionuclides for permanent disposal in geological repositories. One of the principal criteria for the effective incorporation of waste elements is their compatibility with the host material. In terms of performance under environmental conditions, the resistance of the waste forms to degradation over long periods of time is a critical concern when they are exposed to natural environments.
  • 238
  • 18 Jul 2023
Topic Review
Computer-Vision-Based Water Level Measurement
Water level measurement is an important component of hydrological monitoring and water resources management. Information such as runoff, water supply volumes and flood discharge is usually calculated based on water level measurement. To alleviate the problems associated with manual and contact measurements, the computer-vision-based approaches rely on the automatic acquisition and analysis of water surface images. Images allow the capture of water surfaces without interruption to provide insight into the continuous change of water level. Computer vision can automatically acquire and understand the meaningful information in images, such as the scope of water surface area, water line, gauge characters, etc., to obtain faster recognition speed and more accurate and stable results than human in the water level measurement task.
  • 803
  • 26 Sep 2023
Topic Review
Concrete Containing Waste Glass as Environmentally Friendly Aggregate
The safe disposal of an enormous amount of waste glass (WG) in several countries has become a severe environmental issue. In contrast, concrete production consumes a large amount of natural resources and contributes to environmental greenhouse gas emissions. It is widely known that many kinds of waste may be utilized rather than raw materials in the field of construction materials. However, for the wide use of waste in building construction, it is necessary to ensure that the characteristics of the resulting building materials are appropriate. Recycled glass waste is one of the most attractive waste materials that can be used to create sustainable concrete compounds.
  • 704
  • 23 Sep 2022
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