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Topic Review
Fiat G.50
The Fiat G.50 Freccia ("Arrow") was a World War II Italian fighter aircraft developed and manufactured by aviation company Fiat. Upon entering service, the type became Italy’s first single-seat, all-metal monoplane that had an enclosed cockpit and retractable undercarriage. On 26 February 1937, the G.50 conducted its maiden flight. During early 1938, the Freccias served in the Regia Aeronautica (the Italian Air Force) and with its expeditionary arm, the Aviazione Legionaria, in Spain, where they proved to be relatively fast and very manoeuvrable in comparison to its adversaries in the theatre. Early in the Second World War, it was determined that the G.50 possessed inadequate armament, comprising a pair of Breda-SAFAT 12.7-mm machine guns. The fighter was extensively used on various fronts by Italy, including in Northern Europe, North Africa, the Balkans, and the Italian mainland. The G.50 commonly came up against the British Hawker Hurricane, which was fast enough to frequently outrun and out-range the Italian opponent. Later models of the fighter had improvements, including a substantial increase in range. The G.50 was exported to several overseas customers, small numbers being flown by the Air Force of the Independent State of Croatia while 35 G.50 fighters were shipped to Finland , where they served with distinction during both the Winter War of 1940 and the Continuation War of 1941–1944 against the Soviet Union. In Finnish service, the type reportedly achieved an unprecedented kill/loss ratio of 33/1.
  • 993
  • 08 Nov 2022
Topic Review
The Evaluation Role of the Ground-Penetrating Radar
Ground-Penetrating Radar (GPR) is a popular non-destructive technique for evaluating RC bridge elements as it can identify major subsurface defects within a short span of time.
  • 993
  • 01 Apr 2022
Topic Review
Boom Technology Overture
The Boom Technology Overture is a Mach 2.2 (1,300 kn; 2,300 km/h), 55-passenger supersonic transport with 4,500 nmi (8,300 km) of range, which is proposed to be introduced in 2025–2027 by Boom Technology. With 500 viable routes, there could be a market for 1,000 supersonic airliners with business class fares. It had gathered 76 commitments by December 2017. It would keep the delta wing configuration of Concorde but would be built with composite materials. It would be powered by three dry 15,000–20,000 lbf (67–89 kN) turbofans, a derivative or a clean-sheet design were to be selected in 2019.
  • 992
  • 21 Nov 2022
Topic Review
Chrysler Town & Country
The Chrysler Town & Country is a minivan that was manufactured and marketed by Chrysler. It was introduced in 1989 for the 1990 model year. The Chrysler group minivans, which include the Dodge Caravan/Dodge Grand Caravan and included the Plymouth Voyager/Plymouth Grand Voyager/Chrysler Voyager, have ranked as the 13th bestselling automotive nameplates worldwide, with over 12 million sold. After five generations and 27 model year runs, the Town & Country nameplate was retired at the end of the 2016 model year run and was replaced by the 2017 model-year Chrysler Pacifica.
  • 992
  • 19 Oct 2022
Topic Review
Comparison of Remote Sensing Satellites
A variety of remote sensing systems exist, for which the specification is distributed among a variety of websites from data providers, satellite operators and manufacturers. In order to choose a data product for a given project, a remote sensing data user must be aware of the different products and their applications. The table below gives users an overview of major remote sensing systems and datasets and summarizes their applications and systems.
  • 992
  • 20 Oct 2022
Topic Review
Delay Defects in Nanoscale Digital VLSI Circuits
As technology scales down, digital VLSI (very large-scale integration) circuits are prone to many manufacturing defects. These defects may result in functional and delay-related circuit failures. The number of test escapes grows when technology is downscaled. Small delay defects (SDDs) and hidden delay defects (HDDs) are of critical importance in industries since they are the source of most test escapes and reliability problems.
  • 991
  • 30 Sep 2022
Topic Review
TI MSP430
The MSP430 is a mixed-signal microcontroller family from Texas Instruments, first introduced on 14 February 1992. Built around a 16-bit CPU, the MSP430 is designed for low cost and, specifically, low power consumption embedded applications.
  • 991
  • 16 Nov 2022
Topic Review
Antimicrobial Properties of Lignocellulosic Materials
Pathogenic microbes are a major source of health and environmental problems, mostly due to their easy proliferation on most surfaces. Currently, new classes of antimicrobial agents are under development to prevent microbial adhesion and biofilm formation. However, they are mostly from synthetic origin and present several disadvantages. The use of natural biopolymers such as cellulose, hemicellulose, and lignin, derived from lignocellulosic materials as antimicrobial agents has a promising potential. Lignocellulosic materials are one of the most abundant natural materials from renewable sources, and they present attractive characteristics, such as low density and biodegradability, are low-cost, high availability, and environmentally friendly.
  • 990
  • 08 Apr 2021
Topic Review
Load Following of Small Modular Reactors
Small modular reactors (SMRs) are generally defined as nuclear reactors with power outputs between 10 megawatts electric (MWe) and 300 MWe. In order to solve such a problem, a load-following operation that adjusts the output of the existing large-capacity thermal power plant or nuclear power plant according to the increase or decrease in the load is required. While this is not technically impossible, it is technically and economically undesirable. The next alternative that comes to mind is a small modular reactor (SMR). This is because, by operating multiple SMRs of less than 300 MW together, as much as necessary, it is easy to carry out a load-following operation, and the safety of an SMR is much higher than that of existing large scale nuclear power plants.
  • 990
  • 07 Sep 2022
Topic Review
Industry 4.0 and Smart Data
The digital transformation of manufacturing firms, in addition to making operations more efficient, offers important opportunities both to promote the transition to a circular economy and to experiment with new techniques for designing smarter and greener products.
  • 989
  • 18 Sep 2021
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