The Hach DR 2700 Spectrophotometer can be used for more than 130 analytical methods. All of the chemistries and supplies needed for these tests are available from Hach. The spectrophotometer can store ...
Abstract: In recent years, the development of information and communication technologies has notably improved the water management processes, but the technologies for water quality control still leave ...
Abstract: A new prototype of a portable natural enhancement material resistivity meter was successfully designed and constructed based on an existing soil resistivity meter. This portable natural ...
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