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en.wikipedia.org/wiki/Film_preservation

Film preservation, or film restoration, describes a series of ongoing efforts among film historians ... Not only was the preservation of nitrate film an ongoing problem, but the discovery that safety film, used as a .... The choice of film vs. digital restoration will be driven by the amount, if any, of restoration required, the taste and ...

www.amazon.com/Hanna-Instruments-HI764-Nitrite-Checker/dp/B003UNK3II

Amazon.com: Hanna Instruments HI764 Marine Nitrite Ultra Low Range Checker HC: Industrial & Scientific. ... Price: $49.00 & FREE Shipping. .... sensor, an electronic pocket-sized pH tester, and a replaceable electrode pH pocket tester.

www.globalw.com/catalog_wq.html

Model #, Instrument, Price. WQ, Water Quality ... PH 10A, Digital pH Meter, Pricing · PH 100A ... Multi 3410, Digital Multiparameter Meters, Call. ProLab 4000  ...

www.thesprucepets.com/top-controllers-and-monitors-2925822

Aug 10, 2018 ... Compare prices on the top Controllers & Monitors - Nitrate, pH, Lux Light, ... The American Marine Pinpoint Nitrate Monitor is a digital nitrate ...

hackaday.com/2015/06/20/hackaday-prize-entry-a-reagent-robot

Jun 20, 2015 ... If you're testing the amount of ammonia, nitrates, or just the pH of a pond, ... inexpensive compared to electronic sensors, and once [James] has ...

hackaday.com/2015/08/11/simple-cheap-nitrate-tester-is-open-source

Aug 11, 2015 ... Assessing nitrate levels commercially is an expensive process that uses ... or this 2015 Hackaday Prize entry medical tricorder with a built-in ...

news.cornell.edu/stories/2017/12/digital-agriculture-tech-adapt-n-nets-1m-tulane-prize

Dec 18, 2017 ... Digital agriculture tech Adapt-N nets $1M Tulane prize ... that's both the impacts from nitrate leaching, which is the primary concern with the Gulf ...

thedigitalawards.net

About the awards. The 2017 UK City of Culture has a burgeoning reputation as the epicentre of East Yorkshire and North Lincolnshire's digital tech community.

www.newea.org/2017/09/28/2017-stockholm-junior-water-prize-winners

Sep 28, 2017 ... Each year, the Stockholm Junior Water Prize (SJWP) program gains more ... for her project, ColiFind: A Digital Image Analysis Application to Identify E. ... Crowd- Sourced Detection and Mapping of Nitrate Water Pollutants via a ...