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Nafion is a brand name for a sulfonated tetrafluoroethylene based fluoropolymer - copolymer synthesized in 1962 by Dr. Donald J. Connolly at the DuPont Experimental Station in Wilmington Delaware (U.S. Patent 3,282,875). Additional work on the polymer family was performed in the late 1960s by Dr. Walther Grot of DuPont. [1]
Utah State University (USU or Utah State) is a public land-grant research university with its main campus in Logan, Utah. Founded in 1888 under the Morrill Land-Grant Acts as Utah's federal land-grant institution, Utah State is one of two flagship universities for the state of Utah; it is classified among " Carnegie R1: Doctoral Universities ...
USU Software AG is a multinational software and services conglomerate headquartered in Möglingen, Germany. The company focuses primarily on digitalizing IT and customer services. In fiscal year 2022, the group generated revenue of €126.5 million with a total of 783 employees. Its net profit for the same year was €7.6 million.
Cation-exchange capacity is defined as the amount of positive charge that can be exchanged per mass of soil, usually measured in cmol c /kg. Some texts use the older, equivalent units me/100g or meq/100g. CEC is measured in moles of electric charge, so a cation-exchange capacity of 10 cmol c /kg could hold 10 cmol of Na + cations (with 1 unit ...
An ion ( / ˈaɪ.ɒn, - ən /) [1] is an atom or molecule with a net electrical charge. The charge of an electron is considered to be negative by convention and this charge is equal and opposite to the charge of a proton, which is considered to be positive by convention. The net charge of an ion is not zero because its total number of electrons ...
A former lab manager at Northeastern University has been convicted of staging a hoax explosion at the Boston campus and then lying about what happened to a federal agent. Jason Duhaime, 46, from ...
No marketing. The YC application process isn’t “hackable” and it’s best to avoid complicating it too much. Make sure to do one final pass to remove any extraneous language and check for ...
A union that represents thousands of Philadelphia city employees asked a judge Tuesday to block Mayor Cherelle Parker’s requirement that they return to their offices full time as of July 15. The ...