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Topic Review
Inclusions and Segregations in the Selective Laser-Melted Alloys
During the manufacturing process, various defects can occur in metals, which can negatively impact their mechanical properties and structural integrities. These defects include gas pores, lack of fusions, keyholes, melt pools, cracks, inclusions, and segregations.
  • 270
  • 01 Sep 2023
Topic Review
Characterisation and Development of Controlled Auto-Ignition Engines
Gasoline engines employing the spatially distributed auto-ignition combustion mode, known as controlled auto-ignition (CAI), are a prospective technology for significantly improving engine efficiency and reducing emissions.
  • 319
  • 31 Aug 2023
Topic Review
Sericin in Bone Regeneration
The potential of sericin, a protein derived from silkworms, is explored in bone graft applications. Sericin’s biocompatibility, hydrophilic nature, and cost-effectiveness make it a promising candidate for enhancing traditional graft materials. Its antioxidant, anti-inflammatory, and UV-resistant properties contribute to a healthier bone-healing environment, and its incorporation into 3D-printed grafts could lead to personalized medical solutions.
  • 358
  • 31 Aug 2023
Topic Review
Human–Robot Collaboration
The automation of manufacturing applications where humans and robots operate in a shared environment imposes new challenges for presenting the operator’s safety and robot’s efficiency. Common solutions relying on isolating the robots’ workspace from human access during their operation are not applicable for HRI.
  • 274
  • 31 Aug 2023
Topic Review
Reliability of Aluminum Electrolytic Capacitors in Cold Environments
Aluminum electrolytic capacitors (AECs) are vital in efficiently operating switched-mode power supplies (SMPSs) by regulating energy storage and voltage. These capacitors are widely used due to their high capacitance and cost-effectiveness. However, their performance at low temperatures is a critical aspect that demands a thorough investigation, particularly in applications where SMPSs are subjected to sub-zero operating conditions. 
  • 385
  • 30 Aug 2023
Topic Review
QoL Modeling in the Agricultural Supply Chain
The agricultural supply chain (ASC) in the hinterland refers to the entire post-harvest process of processing and distributing agricultural products in rural or secluded areas to be brought to big city markets. This scheme involves various stakeholders (farmers, trading centers, consumers), processes (logistics, storage, monitoring), and infrastructure (traffic and road systems, negative environmental emissions) to ensure the efficient flow of agricultural products from farms to consumers. The quality of life (QoL) in the hinterland can improve with the introduction of disruptive technologies, but no comprehensive studies have explored the QoL of individuals involved in the ASC–socioeconomic system of hinterland communities. 
  • 504
  • 30 Aug 2023
Topic Review
Microbially Induced Calcium Carbonate Precipitation for Hydrological Applications
Microbially induced carbonate precipitation (MICP) refers to a natural biochemical phenomenon wherein micro-organisms stimulate the formation of calcium carbonate precipitation. 
  • 498
  • 30 Aug 2023
Topic Review
Phase Change Materials in Cold Thermal Energy Storage
Cold thermal energy storage (CTES) based on phase change materials (PCMs) has shown great promise in numerous energy-related applications. Due to its high energy storage density, CTES is able to balance the existing energy supply and demand imbalance. Given the rapidly growing demand for cold energy, the storage of hot and cold energy is emerging as a particularly attractive option.
  • 270
  • 30 Aug 2023
Topic Review
Versatile OpenHAB IoT Testbed
This research presents the design and implementation of a versatile IoT testbed utilizing the openHAB platform, along with various wireless interfaces, including Z-Wave, ZigBee, Wi-Fi, 4G-LTE (Long-Term Evolution), and IR (Infrared Radiation), and an array of sensors for motion, temperature, luminance, humidity, vibration, UV (ultraviolet), and energy consumption.
  • 624
  • 30 Aug 2023
Topic Review
Fischer–Tropsch Synthesis Catalysts
The Fischer–Tropsch process is considered one of the most promising eco-friendly routes for obtaining synthetic motor fuels. Fischer–Tropsch synthesis is a heterogeneous catalytic process in which a synthesis gas (CO/H2) transforms into a mixture of aliphatic hydrocarbons, mainly linear alkanes. An important research direction has been to increase the selectivity of the process for the diesel fraction. Diesel fuel synthesized via the Fischer–Tropsch method has a number of advantages over conventional fuel, including the high cetane number, the low content of aromatic, and the practically absent sulfur and nitrogen impurities. One of the possible ways to obtain a high yield of diesel fuel via the Fischer–Tropsch process is the development of selective catalysts.
  • 487
  • 30 Aug 2023
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