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Pyromellitic dianhydride. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Pyromellitic dianhydride (PMDA) is an organic compound with the formula C 6 H 2 (C 2 O 3) 2. It is the double carboxylic acid anhydride that is used in the preparation of polyimide polymers such as Kapton.
Phosphate conversion coating. Phosphate conversion coating is a chemical treatment applied to steel parts that creates a thin adhering layer of iron, zinc, or manganese phosphates, to achieve corrosion resistance, lubrication, or as a foundation for subsequent coatings or painting. [1][2][3] It is one of the most common types of conversion ...
Hydrogenated MDI (H12MDI or 4,4′-diisocyanato dicyclohexylmethane) is an organic compound in the class known as isocyanates. [1] More specifically, it is an aliphatic diisocyanate. It is a water white liquid at room temperature and is manufactured in relatively small quantities. It is also known as 4,4'-methylenedi (cyclohexyl isocyanate) or ...
every 4 hours quaque quarta hora q.6.h., q6h every 6 hours quaque sexta hora q.8.h., q8h every 8 hours quaque octava hora q.a.m., qAM, qam every morning: quaque ante meridiem q.d., qd every day / daily quaque die q.h.s., qhs every night at bedtime quaque hora somni q.d.s, qds, QDS 4 times a day quater die sumendum q.i.d, qid 4 times a day
Henkell & Co. Sektkellerei KG, today Henkell Freixenet, is a German producer [1] of Sekt (German quality sparkling wine), wine and spirits based in Wiesbaden. From 1958 until October 2021, it belonged to Dr. August Oetker KG. Since November 2021, it has been a member of Geschwister Oetker Beteiligungen KG with a turnover of almost 2 billion ...
Dylan Sampson rushed for 101 yards and four touchdowns — all in the first half — to lead No. 7 Tennessee to a 71-0 victory over Kent State on Saturday night. It was Sampson's fourth straight ...
Henkel AG & Co. KGaA, commonly known as Henkel, is a German multinational chemical and consumer goods company headquartered in Düsseldorf, Germany.Founded in 1876, the DAX company is organized into two globally operating business units (Consumer Brands, Adhesive Technologies) and is known for brands such as Loctite, Persil, [2] Fa, Pritt, Dial and Purex.
Penn State’s offense got off to a slow start. Once Drew Allar got rolling, the No. 10 Nittany Lions couldn’t be stopped. The junior quarterback threw three touchdown passes and ran for a score ...