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Topic Review
System-Level Prognostics
Condition-based maintenance (CBM) is a maintenance policy that maintains the reliability of system operation and reduces the downtime of the system. Prognostics and health management (PHM) has attracted much attention as the enabler of CBM. The PHM aims to predict the remaining useful life (RUL) of the system and suggest an optimal health management strategy.
  • 1.2K
  • 03 Dec 2021
Topic Review
Livestock Management by Unmanned Aerial Vehicles
Unmanned Aerial Vehicles (UAVs) can revolutionize livestock herding and management. As a result, there is an increasing scientific interest in using UAVs to manage livestock. UAVs can be used to control livestock grazing areas and remote sensing of these animals.
  • 1.2K
  • 04 Aug 2022
Topic Review
Applications of Water Mist Systems
Water mist systems have been proven to perform in many applications, such as enclosed compartments; open air; and large, well-ventilated spaces.
  • 1.2K
  • 07 Feb 2023
Topic Review
Battery Management System Application
Electric Vehicles (EV) and Hybrid EV (HEV) use Lithium (Li) ion battery packs to drive them. These battery packs possess high specific density and low discharge rates. However, some of the limitations of such Li ion batteries are sensitivity to high temperature and health degradation over long usage. The Battery Management System (BMS) protects the battery against overvoltage, overcurrent etc., and monitors the State of Charge (SOC) and the State of Health (SOH). SOH is a complex phenomenon dealing with the effects related to aging of the battery such as the increase in the internal resistance and decrease in the capacity due to unwanted side reactions. The battery life can be extended by estimating the SOH accurately.
  • 1.2K
  • 06 Apr 2022
Topic Review
Supercritical Antisolvent Technique for the Preparation of Nanocatalysts
In an era where sustainability is becoming the main driving force for research and development, supercritical fluids-based techniques are presented as a very efficient alternative technology to conventional extraction, purification, and recrystallization processes. Supercritical antisolvent (SAS) precipitation is a novel technique that can replace liquid antisolvent precipitation techniques. Additionally, through the optimization of precipitation operating conditions, morphology, particle size, and particle size distribution of nanoparticles can be controlled. As an antisolvent, supercritical carbon dioxide (scCO2) is far more sustainable than its conventional liquid counterparts; not only does it have a critical point (304 K and 73.8 bar) on its phase diagram that allows for the precipitation processes to be developed so close to room temperature, but also its recovery and, consequently, the precipitated solute purification stage is considerably simpler. This technique can be used efficiently for preparing nanocatalysts to be used in biodiesel production processes.
  • 1.2K
  • 21 Dec 2022
Topic Review
Waste Management for Green Concrete Solutions
Reinforced concrete based on ordinary Portland cement (OPC) is one of the most commonly used materials in modern buildings. Due to the global growth of the building industry, concrete components have been partially or completely replaced with waste materials that can be used as binders or aggregates.
  • 1.2K
  • 20 Jun 2022
Topic Review
Amsterdam (VOC Ship)
The Amsterdam (Dutch pronunciation: [ˌɑmstərˈdɑm] (listen)) was an 18th-century cargo ship of the Dutch East India Company (Dutch: Vereenigde Oost-Indische Compagnie; VOC). The VOC was established in 1602. The ship started its maiden voyage from Texel to Batavia on 8 January 1749, but was wrecked in a storm on the English Channel on 26 January 1749. The shipwreck was discovered in 1969 in the bay of Bulverhythe, near Hastings on the English south coast, and is sometimes visible during low tides. The wreck site is protected under the Protection of Wrecks Act since 1974. Some of the findings from the site are in The Shipwreck Museum in Hastings. A replica of the ship is on display in Amsterdam.
  • 1.2K
  • 01 Dec 2022
Topic Review
Optical Biosensors for MicroRNAs/miRNAs Detection
MicroRNAs, also known as miRNAs, are involved in the regulation of gene expression and their altered levels can be associated to different diseases, therefore making interesting their employment as biomarkers. Biosensors are developed to obtain accurate data from fluids that originate in the human body and they basically consist of a bioreceptor that binds the target molecule (the biomarker, such as a miRNA) and a transducer that enables a measurable response to be obtained. Optical biosensors are becoming increasingly important, particularly in the case of DNA and RNA biomarkers due to their advantages, including their direct detection, high specificity, sensitivity and good cost-performance ratio among others. An overview of the different optical biosensors used to detect miRNAs is provided, describing the employed technique (fluorescence, plasmon resonances, interferometry, SERS), their performance and main characteristics (LOD and dynamic range). 
  • 1.2K
  • 20 Apr 2021
Topic Review
Coyote Reconnaissance Vehicle
The Light Armoured Vehicle II (LAV II) Coyote (and the related Bison) are armoured cars (or armoured personnel carriers) built by General Dynamics Land Systems Canada for the Canadian Forces. They are a later generation of the LAV-25 and of the same family as the Australian ASLAV, as all are part of the Light Armoured Vehicle family produced by General Dynamics Land Systems - Canada and based on the MOWAG Piranha 8x8.
  • 1.2K
  • 03 Nov 2022
Topic Review
Basic Principles of Atomic Force Microscopy
Visualization of biomedical samples in their native environments at the microscopic scale is crucial for studying fundamental principles and discovering biomedical systems with complex interaction. The study of dynamic biological processes requires a microscope system with multiple modalities, high spatial/temporal resolution, large imaging ranges, versatile imaging environments and ideally in-situ manipulation capabilities. Development of new Atomic Force Microscopy (AFM) capabilities has made it such a powerful tool for biological and biomedical research. 
  • 1.2K
  • 15 Dec 2022
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