News
August 29, 2024
Sequoia’s Laser In Situ Scattering and Transmissometry (LISST) particle size analyzers have significantly advanced the understanding of flocculation in aquatic environments. Since the mid-1990s, LISSTs have often replaced or supplemented older technologies...
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March 7, 2022
O-rings are so ubiquitous today – at least for all of us building underwater instrumentation for the underwater technology industry – that we generally think of them as something that has always been around. But that is not the case. The other night...
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October 6, 2020
NOAA, The National Oceanic and Atmospheric Administration was founded in 1970 and thus celebrates its 50th anniversary in 2020. Learn more about NOAA and its story in this almost 200-page anniversary book. As a proud sponsor of the book, you can read...
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April 15, 2011
How LISST works!
[Sequoia, April 15, 2011]
1. The Ring Detector
2. How Particle Sizes and Measurement Angles are Selected
3. Origin of the Matrix Formulation – It’s just algebra
4. Inversion of Data – the Information Content...
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April 14, 2011
How LISST Works!
[Sequoia, April 14, 2011]
Laser Diffraction 101
Sequoia realizes that for some people, the principle behind laser diffraction seems difficult to understand. The purpose of this article and ‘Laser Diffraction 201’...
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