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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. [2] Founded as Economics Laboratory in 1923 by Merritt J. Osborn, it was eventually renamed "Ecolab ...
In response to this, Bell Labs developed echo canceler theory in the early 1960s, [4] [5] which then resulted in laboratory echo cancelers in the late 1960s and commercial echo cancelers in the 1980s. [6] An echo canceller works by generating an estimate of the echo from the talker's signal, and subtracts that estimate from the return path.
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.
Coinciding rises in obesity and cancer rates, especially among young adults, suggest that the problem may begin in childhood or perhaps even before people are born, says Rebbeck.
People who kept diabetes at bay for at least 4 years after receiving a prediabetes diagnosis had a lower risk of death, microvascular complications, and cardiovascular disease. Over the 30-year ...
List of largest chemical producers. The Friedrich-Engelhorn-Hochhaus, headquarters of BASF from 1957 to 2013. Chemical & Engineering News publishes an annual list of the world's largest chemical producers by sales, excluding formulated products such as pharmaceutical drugs and coatings. [ 1] In 2018, sales of the top fifty companies amounted to ...
Electrochemistry. English chemist John Daniell (left) and physicist Michael Faraday (right), both credited as founders of electrochemistry. Electrochemistry is the branch of physical chemistry concerned with the relationship between electrical potential difference and identifiable chemical change. These reactions involve electrons moving via an ...
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