Proceedings of the National Academy of Sciences of the United States of America, Vol. 73, No. 7 (Jul., 1976), pp. 2211-2215 (5 pages) The variable fluorescence yield of photosystem II is dependent on ...
In the manufacturing, sale, purchase, or transfer of petroleum products, knowledge of the water content in lubricating oils, additives and similar products is crucial to estimate their performance and ...
METTLER TOLEDO offers a wide variety of combined glass pH electrodes for non-aqueous, aqueous, or low ionic strength media and for challenging or small samples. The Plug & Play sensors are fitted with ...
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