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Since then, a modified Hoehn and Yahr scale was proposed with the addition of stages 1.5 and 2.5 to help describe the intermediate course of the disease. [2] It has been shown that HY stage discrimination can be automated, even with patients who cannot support themselves. [3]
On February 2, a public demonstration against the latest immigration policy changes took place in Tulsa, Oklahoma along Riverside drive. The demonstration included over 400 people and started around 4 p.m. Police blocked protesters from accessing some roads, including those in the Brookside district, but no arrests were made and the protesters ...
Yttrium(III) nitrate is mainly used as a source of Y 3+ cations. It is a precursor of some yttrium-containing materials, such as Y 4 Al 2 O 9, [3] YBa 2 Cu 3 O 6.5+x [2] and yttrium-based metal-organic frameworks. [5] It can also be used as a catalyst in organic synthesis. [6]
y = x 3 for values of 1 ≤ x ≤ 25.. In arithmetic and algebra, the cube of a number n is its third power, that is, the result of multiplying three instances of n together. The cube of a number n is denoted n 3, using a superscript 3, [a] for example 2 3 = 8.
Net revenue from Frito-Lay North America decreased 2% Y/Y, Quaker Foods North America dropped 2%, and PepsiCo Beverages North America remained flat. ... 33.6% to $2.25 billion. The company held $8 ...
Yttrium is a key ingredient in the yttrium barium copper oxide (YBa 2 Cu 3 O 7, aka 'YBCO' or '1-2-3') superconductor developed at the University of Alabama in Huntsville and the University of Houston in 1987. [49] This superconductor is notable because the operating superconductivity temperature is above liquid nitrogen's boiling point (77.1 K ...
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[5] Although YBa 2 Cu 3 O 7 is a well-defined chemical compound with a specific structure and stoichiometry, materials with fewer than seven oxygen atoms per formula unit are non-stoichiometric compounds. The structure of these materials depends on the oxygen content. This non-stoichiometry is denoted by the x in the chemical formula YBa 2 Cu 3 ...