Ultrasound is sound with frequencies greater than 20 kilohertz. This frequency is the approximate upper audible limit of human hearing in healthy young adults. The physical principles of acoustic waves apply to any frequency range, including ultrasound. Ultrasonic devices operate with frequencies from 20 kHz up to several gigahertz.
EE Times is an electronics industry magazine published in the United States since 1972. EE Times is currently owned by AspenCore, a division of Arrow Electronics since August 2016.
Obstetric ultrasonography, or prenatal ultrasound, is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb). The procedure is a standard part of prenatal care in many countries, as it can provide a variety of information about the health of the mother, the timing and progress of the pregnancy, and the health and development of the embryo or fetus.
UBM plc was a British business-to-business (B2B) events organiser headquartered in London, England, before its acquisition by Informa in 2018. It had a long history as a multinational media company. Its main focus was on B2B events, but its principal operations included live media and business-to-business communications, marketing services and data provision, and it principally served the technology, healthcare, trade and transport, ingredients and fashion industries. UBM was listed on the London Stock Exchange and was a constituent of the FTSE 250 Index.
David Levin is a British businessman. In 2019, he was named university entrepreneur in residence at Arizona State University and is the creator and Executive Producer of REMOTE: The Connected Faculty Summit.
EDN is an electronics industry website and formerly a magazine owned by AspenCore Media, an Arrow Electronics company. The editor-in-chief is Majeed Ahmad. EDN was published monthly until, in April 2013, EDN announced that the print edition would cease publication after the June 2013 issue.
Iris cysts are hollow cavities in the eye filled with secretion. They come in various sizes, numbers, shapes, pigments and can be free-floating, attached to the pupillary margin or within the posterior chamber. Most frequently iris cysts don't cause any issues, but they can cause problems like: "fly biting" behavior, corneal endothelial pigment, lens capsular pigmentation, altered iris movement, decreased aqueous outflow with subsequent glaucoma or block the vision when grown too big. They can be acquired or innate. Possible causes are inflammation, drug-induced, uveitis, a trauma, tumor-induced, parasitic or implantation. Most frequently iris cysts are benign and need no treatment. Sometimes iris cysts are causing problems and need to be deflated. Iris cysts can be treated with trans corneal diode laser treatment, fine-needle aspiration or surgical excision. For the treatment of iris cysts is a conservative approach favored.
Informa plc is a British publishing, business intelligence, and exhibitions group based in London, England. It is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.
Building is one of the United Kingdom's oldest business-to-business magazines, launched as The Builder in 1843 by Joseph Aloysius Hansom – architect of Birmingham Town Hall and designer of the Hansom Cab. The journal was renamed Building in 1966 as it is still known today. Building is the only UK title to cover the entire building industry.
UBM Technology Group, formerly CMP Publications, was a business-to-business multimedia company that provided information and integrated marketing services to technology professionals worldwide. It offered marketers and advertisers services such as print, newsletters, custom web sites, and events. Its products and services include newspapers, magazines, Internet products, research, education and training, trade shows and conferences, direct marketing services and custom publishing.
InformationWeek is a digital magazine which conducts corresponding face-to-face events, virtual events, and research. It is headquartered in San Francisco, California and was first published in 1985 by CMP Media, later called Informa. The print edition of the magazine has ceased, with the last issue published on June 24, 2013.
Ultrasound biomicroscopy (UBM) is a type of ultrasound eye exam that makes a more detailed image than regular ultrasound.
CRN is an American computer publication. It was first launched as Computer Retail Week on June 7, 1982, as a magazine targeted to computer resellers. It soon after was renamed Computer Reseller News.
Light Reading Inc. is a telecommunications industry information company based in New York City. Its activities include publishing, data analysis, market research, and events management.
The University of Bunda Mulia is one of the major Indonesian private universities, located in North Jakarta, Indonesia.
Nicolaas"Klaas"Bom is a Dutch engineer. He was a professor of medical technology in cardiology at the Erasmus MC. His 1970s research on ultrasound technology provided several new medical devices, including the portable ultrasound scanner.
Joon S.A.S. was a French airline based at Charles de Gaulle Airport, north of Paris. Founded in 2017 as a subsidiary of Air France, the airline ceased operations on 27 June 2019, and was merged back into Air France.
