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Echocardiography, also known as cardiac ultrasound, is the use of ultrasound to examine the heart. It is a type of medical imaging, using standard ultrasound or Doppler ultrasound. [1] The visual image formed using this technique is called an echocardiogram, a cardiac echo, or simply an echo . Echocardiography is routinely used in the diagnosis ...
D015150. OPS-301 code. 3-052. [ edit on Wikidata] Doppler echocardiography is a procedure that uses Doppler ultrasonography to examine the heart. [1] An echocardiogram uses high frequency sound waves to create an image of the heart while the use of Doppler technology allows determination of the speed and direction of blood flow by utilizing the ...
An ultrasonic examination. Ultrasound is sound with frequencies greater than 20 kilohertz. [1] 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 ...
Ecolab Inc. Ecolab Inc. is an American corporation headquartered in Saint Paul, Minnesota. It develops and offers services, technology and systems that specialize in treatment, purification, cleaning and hygiene of water in a wide variety of applications. It helps organizations, both in private as well as public markets, treat their water for ...
The 'reservoir' in reservoir computing is the internal structure of the computer, and must have two properties: it must be made up of individual, non-linear units, and it must be capable of storing information. The non-linearity describes the response of each unit to input, which is what allows reservoir computers to solve complex problems.
Linear alkylbenzenes (sometimes also known as LAB s) are a family of organic compounds with the formula C 6 H 5 C n H 2n+1. Typically, n lies between 10 and 16, although generally supplied as a tighter cut, such as C 12 -C 15, C 12 -C 13 and C 10 -C 13, for detergent use. [1] The C n H 2n+1 chain is unbranched.
Echo cancellation alone may be insufficient in many applications. Echo cancellation and suppression can work in conjunction to achieve acceptable performance. Quantifying echo. Echo is measured as echo return loss (ERL). This is the ratio, expressed in decibels, of the original signal and its echo.
Fermentation Chemicals Market Report Highlights. Product Outlook. The organic acid segment dominated the fermentation chemicals market. Fermentative production of organic acids can benefit the economy, as many countries rely on imports for their multipurpose applications in pharmaceuticals, food, cosmetics, textiles and clothing, and bioplastics.