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Topic Review
Operating Principles of Fiber Bragg Grating Sensors
Fiber Bragg gratings (FBG) sensors are increasingly commercially available and are, one of the most popular sensors from the fiber optic sensing family, having found use in a variety of industrial and research applications. A conventional FBG sensor is made up of a specially fabricated small and flexible segment imprinted into the core of a single-mode optical fiber.
  • 1.2K
  • 14 Dec 2022
Topic Review
Surface Modifications on Magnesium Alloys for Biomedical Applications
Magnesium (Mg) alloys have great potential in biomedical applications due to their incomparable properties regarding other metals, such as stainless steels, Co–Cr alloys, and titanium (Ti) alloys. However, when Mg engages with body fluids, its degradation rate increases, inhibiting the complete healing of bone tissue. For this reason, it has been necessary to implement protective coatings to control the rate of degradation. 
  • 716
  • 14 Dec 2022
Topic Review
Streaming Electrification of Different Insulating Fluids
The comparison of different techniques used to assess the charging tendency of fluids is discussed depending on the flow type (planar or centrifugal), volume of oil, and interface material. The charge separation between the insulating fluid and metallic/pressboard interfaces is explained in terms of the electrical double layer formation involving a fixed layer and diffuse layer. Based on the experimental results, the streaming electrification is observed to be a function of various factors such as speed, temperature, electric field, and surface roughness. Depending on the molecular structure of insulating liquids that come into contact with solid insulation at the interface, the streaming current can increase; hence, a suitable additive (benzotriazole, fullerene, Irgamet 39) is selected based on the type of fluid and charge polarity. The degradation of the insulating liquid upon ageing, which increases the streaming current and reclamation of such aged fluids using adsorbents (Fuller’s earth, activated carbon, bentonite, and alumina), is a possible method to suppress the static current through improving its dielectric properties. The nanofluids show a higher streaming current compared to base fluid with no change observed even after the reclamation process. 
  • 508
  • 14 Dec 2022
Biography
Alexander A. Nikolsky
Alexander Alexandrovitch Nikolsky (Russian: Александр Александрович Никольский, 1903-1963) was a Russia n-born American aeronautical engineer who worked in the domain of rotary-wing aircraft. Professor Alexander Alexandrovitch Nikolsky (nicknamed "Nick"), was born in 1903 in the Russian Empire. He began his career as a cadet in the Russian Imperial Navy. He was se
  • 451
  • 14 Dec 2022
Biography
Mark Trueblood
Mark Trueblood is an United States engineer and astronomer. He is noted for early pioneering work in the development of robotic telescopes, especially as the author of several articles and two books on the subject, including Microcomputer Control of Telescopes and Telescope Control, both of which were written with co-author Russell M. Genet, and for his work on the Gemini Observatory. He is also
  • 419
  • 14 Dec 2022
Topic Review
Composition and Combustion Characteristics of LCIG
To address the high energy demand in the industrialized world and achieve the goal of carbon neutralization, it is also important to make efficient use of low calorific industrial gases (LCIG), in addition to developing the advanced combustion technology of non-carbon fuels such as hydrogen and ammonia.
  • 310
  • 13 Dec 2022
Biography
Alexander Kennedy Miller
Alexander Kennedy Miller (July 14, 1906 – October 23, 1993),[1] also known as A. K. Miller, was an eccentric recluse who operated Miller's Flying Service in 1930, in Montclair, New Jersey, US. Miller provided mail and other delivery services by means of an autogyro, as well as listing "Expert Automobile Repairing" and "Aeroplanes Rebuilt & Overhauled" on his business card.[2] In his later year
  • 424
  • 13 Dec 2022
Biography
Antônio Luz Furtado
Antonio Luz Furtado (born 1934) is a Brazilian computer scientist and Professor of Computer Science known for his work in databases and conceptual modeling. Furtado received undergrad degrees in Economics from Universidade do Estado do Rio de Janeiro (1964) and Law from Universidade Federal do Rio de Janeiro (1957), a M.Sc. in Computer Science from PUC-Rio (1969), a M.A. in Business Administr
  • 565
  • 13 Dec 2022
Topic Review
Printing Technologies
The printing of complex structures requires designing tools to design the patterns with the exact dimensional data of the device. In general, the design of the printing pattern is developed by using commercial tools such as computer-aided design, and computer-aided manufacturing tools to build the 3D structure of any complex structure which are essential for feeding the printing machine. The printing of conductive layers can be obtained by using various printing techniques such as (a) inkjet printing, (b) aerosol printing, (c) filamentary printing, (d) electrohydrodynamic printing, and (e) UV-light curing-based printing.
  • 642
  • 13 Dec 2022
Biography
Robert M. Nerem
Robert M. Nerem, often referred to as Bob Nerem, a member of the U. S. National Academy of Engineering and the Institute of Medicine, held the Parker H. Petit Distinguished Chair for Engineering in Medicine and Institute Professor Emeritus at the Georgia Institute of Technology[1] where he is now an Emeritus Professor. Nerem was born on July 20, 1937. He received B.S. from the University of O
  • 628
  • 13 Dec 2022
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