Photographic chemicals

Part 2 book "Freshwater aquariums for dummies" includes content: All water isn’t created equal; considering those crazy chemicals; the nitrogen cycle and water testing; putting it all together; what you need to known - live plants for aquariums; choosing plant species for your tank; being prepared when trouble strikes; setting up the breeding tank; ready, set, spawn; recording data and photographing fish; expanding your hobby in fun ways; advancing your hobby - other types of aquarium systems,... and other contents.

207p muasambanhan03 02-01-2024 6 3   Download

In this study, photocatalytic degradation of paracetamol (acetaminophen), an analgesic and antipyretic drug, was investigated in using semiconductors under UV-B and sunlight irradiation. Semiconductor materials, Bi2 O3 , ZnO, TiO2 , and ZrO2 , were prepared using simple sol–gel, coprecipitation, and microwave synthesis methods. These photocatalyts were characterized by various spectroscopic and other techniques.

9p lyhuyenthu 31-01-2023 9 2   Download

Pentachlorophenol (penta or PCP) was first introduced for use as a wood preservative in 1936 by Dow Chemical Company and Monsanto Chemical Com- pany.1 Penta has since been used as an herbicide on ornamental lawns, golf courses, aquatic areas, and rights-of-way; for control of subterranean termites; as an anti-microbial agent in cooling tow- ers, adhesives, latex paints, paper coatings, cements used with food can ends and seals, coatings in reusable bulk food storage containers, photographic solutions, leather tanneries, and pulp and paper mills; and, as a disinfectant....

8p bann11f 07-04-2011 92 11   Download