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Topic Review
Soluble Biobased Substances
Soluble bio-based substances (SBS) may be isolated from the anaerobic digestate of the organic humid fraction of urban waste; from the whole vegetable compost made from gardening residues and from the compost obtained after aerobic digestion of a mixture of urban waste digestate, gardening residues and sewage sludge. 
  • 353
  • 20 Jul 2022
Topic Review
Vascular and Cryptogam Flora on Bulgaria’s Ancient Mounds
The mounds are important for the preservation of the native vascular and cryptogam flora. A total of 1059 vascular plants, 58 bryophytes and 61 lichen taxa are recorded. Despite their small area, the mounds were shown to preserve nearly a quarter of the Bulgarian flora. The vegetation cover on the mounds included 61% perennials indicating a long-term persistence and stability. The majority (98%) of the established vascular plants were native species. 
  • 352
  • 18 Mar 2022
Topic Review
Soufrière Hills Volcano
User:RMCD bot/subject notice The Soufrière Hills volcano is an active, complex stratovolcano with many lava domes forming its summit on the Caribbean island of Montserrat. Many volcanoes in the Caribbean are named Soufrière (French: "sulfur outlet"). These include La Soufrière or Soufrière Saint Vincent on the island of Saint Vincent, and La Grande Soufrière on Guadeloupe. After a long period of dormancy, the Soufrière Hills volcano became active in 1995 and has continued to erupt ever since. Its eruptions have rendered more than half of Montserrat uninhabitable, destroying the capital city, Plymouth, and causing widespread evacuations: about two thirds of the population have left the island. It is andesitic in nature, and the current pattern of activity includes periods of lava dome growth, punctuated by brief episodes of dome collapse which result in pyroclastic flows, ash venting, and explosive eruption. The volcano is monitored by the Montserrat Volcano Observatory. Volcanic gas emissions from this volcano are measured by a Multi-Component Gas Analyzer System, which detects pre-eruptive degassing of rising magmas, improving prediction of volcanic activity.
  • 352
  • 25 Oct 2022
Topic Review
Mechanism of Electrochemical Reduction of CO2 to CH4
Electrocatalytic CO2 reduction to valued products is a promising way to mitigate the greenhouse effect, as this reaction makes use of the excess CO2 in the atmosphere and at the same time forms valued fuels to partially fulfill the energy demand for human beings. Methane, which is among the products of CO2RR, is regarded as a high-value commodity due to its high energy density of 55.5 MJ/kg. Moreover, the methane produced by the electrochemical reduction of CO2 is not emitted into the atmosphere and contributes to the greenhouse effect as the well-established infrastructure for gas pipelines, allowing for the seamless storage, consumption, and distribution of methane, rendering it a widely utilized component of natural gas. 
  • 352
  • 04 May 2023
Topic Review
Numerical Simulation Methods in Shale Oil Flow
The pore structure of shale oil reservoirs is complex, and the microscale and nanoscale effect is obvious in the development of shale oil reservoirs. Understanding the oil flow mechanism in shale reservoirs is essential for optimizing the development plan and enhancing the recovery rate of shale oil reservoirs.
  • 352
  • 10 May 2023
Topic Review
Climate Change Impacts, Public Attitudes, and Climate Action
European member states have high emission reduction potential. They send a strong signal to the rest of the world with their action or inaction on climate change. Yet, within the EU, national-level climate policies (NLCP) lag behind the EU Commission’s overall climate goals. Transparency of and accountability for climate action requires an integrative perspective.
  • 352
  • 23 May 2023
Topic Review
Rare Earth Elements
The use of analytical techniques is important and critical in all areas related to REE (Rare Earth Elements), such as basic fundamental research, exploration, mining, extraction, and metallurgical activities at different stages by different industries. At every stage of these activities, rock, ore, minerals, and other related materials have to be analyzed for their REE contents in terms of elemental, isotopic, and mineralogical concentrations using different analytical techniques.
  • 352
  • 16 Aug 2023
Topic Review
Decarbonization Strategies in the UAE Built Environment
The urgency of addressing climate change is increasingly evident through the rise in devastating natural disasters and significant shifts in global temperatures. With the urbanization of rural landscapes to accommodate population growth, the built environment has emerged as a major contributor to climate change, accounting for approximately 40% of natural resource consumption and carbon emissions. In pursuit of tackling climate challenges, countries have united under the United Nations Framework Convention on Climate Change (UNFCCC) to develop strategies for climate action and adaptation, through the Conference of the Parties (COP). The UAE has been an active member of the COP and has been at the forefront of implementing decarbonization strategies.
  • 352
  • 21 Aug 2023
Topic Review
Lightning-Induced Wildfire Modeling
Wildfire causes environmental, economic, and human problems or losses.
  • 352
  • 12 Mar 2024
Topic Review
Genotoxicity of Graphene Family Nanomaterials on DNA
Graphene family nanomaterials (GFNs), including graphene, graphene oxide (GO), reduced graphene oxide (rGO), and graphene quantum dots (GQDs), have manifold potential applications, leading to the possibility of their release into environments and the exposure to humans and other organisms. However, the genotoxicity of GFNs on DNA remains largely unknown. In this review, we highlight the interactions between DNA and GFNs and summarize the mechanisms of genotoxicity induced by GFNs.
  • 351
  • 10 Nov 2021
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