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I own a lot of Parkers. Except for two Sonnets (purchased new in 1994 and 2008) all were made before 1960. Vintage Parkers are great. Modern ones seem overpriced for what you get. My 90 year old Duofolds write just as well for a third of the price and, to my eyes, look a ...
The catalysts are typically noble metals such as platinum, ruthenium, or rhodium supported on Al2O3 [10, 27]. At the same time, H2 is purified by alternative approaches, namely pressure-swing adsorption, cryogenic distillation, and membrane technologies, which can ensure the necessary ...
Various catalysts have been used for CO2 methanation reactions in recent decades. Metals that showed activity in CO2 hydrogenation to methane reaction include noble metals such as rhodium (Rh), platinum (Pt), palladium (Pd), and ruthenium (Ru), and different non-noble metals such as nickel (...
On the other hand, SK-FIZ, which was constructed in 1997, is a small experimental mock-up (core volume of 8.5 cubic-meters) intended for the support of the VVER systems. The facility is utilized for the development of rhodium detectors (Aborina et al., 2002). For the support of the ...
Dial: rhodium-plated sand-coloured, set with 35 diamonds totalling 0.09 carats Movement: quartz Strap: matt Mykonos blue alligator leather READ OUR ARTICLE:How to wear a diamond watch the Hermès way VisitHERMES.COM Share this product You may also like ...
The dark rhodium dial features a sunray finish and contemporary blue hour accents above the white gold indices covered in phosphorescent material. Inside the robust steel case with its satin finish is Rolex calibre 3132 with superior anti-magnetic and shockproof systems. As with all Oyster watches,...
Merging the chemistry of transfer hydrogenation and carbonyl or imine addition, a broad new family of redox-neutral or reductive hydrohydroxyalkylations an
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Asymmetric metal/organo relay catalysis, utilizing a metal complex and a chiral organocatalyst in a one-pot cascade reaction, is aimed to sequentially impart activation on multiple steps by distinct catalysts. Such a catalysis merges the advantages of both metal catalysis and organocatalysis, providing...