All articles starting with P
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Palladium
Palladium (Pd, atomic number 46) is a silvery-white transition metal of the platinum group, discovered by William Hyde Wollaston in 1803 and best known as the active metal in automotive catalytic converters.
Palladium (Köln)
The Palladium Köln, or Palladium Cologne, is a concert and event hall in the Mülheim district of Cologne, Germany, holding up to 4,000 people in a listed 1899 factory hall.
Palladium (New York City)
Palladium, 126 East 14th Street, Manhattan, NYC: rock venue (1976-1985) and nightclub (1985-1997) in the former Academy of Music movie palace, designed by Arata Isozaki with art by Keith Haring and Basquiat, demolished for NYU's Palladium Hall dorm.
Palladium Ballroom (music)
The Palladium Ballroom was a second-floor ballroom at 1698 Broadway and 53rd Street in Manhattan, known from 1947 to 1966 as the home of the mambo, where Machito, Tito Puente, and Tito Rodríguez played.
Palladium Boots
Palladium, a French footwear brand founded in 1947, is known for the Pampa canvas boot originally supplied to the French Foreign Legion. It was sold to Ding Shun Investment in 2024.
Palladium catalysis
Palladium catalysis is the use of palladium complexes to accelerate organic reactions, most prominently cross-couplings that join two carbon-containing fragments, accounting for roughly a quarter of reactions in the pharmaceutical industry.
Palladium Equity Partners
Palladium Equity Partners is a New York-based middle-market private equity firm founded in 1997 by Marcos Rodriguez, making control investments of $50 million to $150 million per company.
Palladium hydride
Palladium hydride is a non-stoichiometric compound formed when palladium metal absorbs hydrogen into its face-centered cubic lattice, with a hydrogen-to-palladium ratio varying continuously with pressure and temperature.
Palladium hydride in electrocatalysis
Palladium hydride (PdHx) is the phase formed when hydrogen occupies interstitial sites in palladium's lattice, the reactive state palladium electrodes adopt under cathodic potentials in reactions from CO2 reduction to hydrogen evolution.
Palladium on carbon
Palladium on carbon (Pd/C, also called palladium on charcoal) is a heterogeneous catalyst of palladium particles on activated carbon, used widely for hydrogenation and cross-coupling reactions in organic synthesis.
Palladium-catalyzed aryl fluorination
Palladium-catalyzed aryl fluorination is a set of methods that form aryl carbon–fluorine bonds using palladium catalysts, replacing multistep classical routes with direct conversion of aryl triflates, aryl halides, or arene C–H bonds into aryl fluorides.
Palladium-catalyzed cross-coupling
Palladium-catalyzed cross-coupling is a class of reactions that forms carbon–carbon bonds between organic fragments, underlying roughly a quarter of pharmaceutical-industry reactions and the 2010 Nobel Prize in Chemistry.
Palladium(II) chloride
Palladium(II) chloride, also called palladium dichloride (PdCl2), is a rust-colored to dark brown solid that is the common starting material in palladium chemistry and the palladium component of the Wacker oxidation catalyst.
Palladium/norbornene cooperative catalysis
Palladium/norbornene cooperative catalysis, known as the Catellani reaction, installs an electrophile at the ortho position and couples a nucleophile at the ipso position of aryl halides in one operation.
Palladius
Palladius (Παλλάδιος), c. 364–between 420 and 431, was a Galatian monk and bishop of Helenopolis in Bithynia, exiled for supporting John Chrysostom, whose Lausiac History is a principal source for early Christian monasticism.
Pallanum
Pallanum, ancient town of the Frentani in Abruzzo, Italy, known from the Tabula Peutingeriana and identified with the fortified Samnite site on Monte Pallano near Tornareccio, with 4 km of megalithic walls.
Pallas (Πάλλας) (Titan)
Pallas (Πάλλας), a second-generation Greek Titan of battle and warcraft, son of Crius and Eurybia, husband of Styx, father of Nike, Kratos, Bia, and Zelos; distinct from Athena's epithet Pallas, the Giant, and the nymph of the same name.
Pallas Athena (Klimt)
Pallas Athena (Pallas Athene) is Gustav Klimt's 1898 oil on canvas, 75 × 75 cm, in the Wien Museum: an armored, frontal Athena with Medusa aegis and Nuda Veritas, the programmatic image of the Vienna Secession.
Pallas family
Pallas family: high-inclination central main-belt asteroid family from a cratering impact on (2) Pallas, 513 km B-type parent; age 1.3–1.9 Gyr; hosts first family main-belt comet P/2017 S8.
Pallas's cat
Pallas's cat (Otocolobus manul), also called manul, a small solitary wild cat of Central Asian steppes, 2–5 kg, densest fur of any cat, round pupils, pika specialist, IUCN Least Concern since 2019 but decreasing.
Pallav
Pallav (पल्लव) is a Hindi poetry collection by Sumitranandan Pant, gathering 32 poems written between 1918 and 1925, with a preface regarded as the manifesto of Chhayavaad.
Pallava dynasty
The Pallava dynasty was a South Indian ruling house based at Kanchipuram from the fourth to ninth centuries, known for its wars with the Chalukyas and the temples of Mahabalipuram.
Pallava sculpture
Pallava sculpture is the stone and bronze sculpture of the Pallava dynasty of south India, 7th to 9th centuries, best known for the rock-cut monuments of Mamallapuram.
Pallava succession crisis and accession of Nandivarman II
The Pallava succession crisis and accession of Nandivarman II (नन्दिवर्मन् द्वितीय) began when king Paramesvaravarman II died heirless around 731, ending with the boy Nandivarman II crowned at Kanchipuram.
Pallava-Chalukya wars
The Pallava-Chalukya wars were seventh- and eighth-century campaigns between the Chalukyas of Vatapi and the Pallavas of Kanchi, beginning under Pulakesin II and Mahendravarman I.
Pallava–Chalukya conflict
A long series of wars between the Pallavas of Kanchipuram and the Chalukyas of Badami, in which Narasimhavarman I stormed Vatapi in 642 and neither side won.
Pallāvaram
Pallāvaram (Pallavapuram, பல்லாவரம்), a southwestern Chennai suburb in Tamil Nadu, India; site of India's first discovered Palaeolithic hand axe (1863), 215,417 residents in 2011, now part of Tambaram City Municipal Corporation.
Pallavarayar chiefs
The Pallavarayar chiefs (பல்லவராயர்) bore a Chola honorific invoking Pallava descent; the best-known line, the Kadava chiefs, rose from Chola subordinates to independent kings under Kopperunjinga.
Pallavi Anu Pallavi (ಪಲ್ಲವಿ ಅನು ಪಲ್ಲವಿ)
Pallavi Anu Pallavi (ಪಲ್ಲವಿ ಅನುಪಲ್ಲವಿ), also Pallavi Anupallavi, is a 1983 Kannada romantic drama, Mani Ratnam's directorial debut, starring Anil Kapoor, Lakshmi, and Kiran Vairale, with music by Ilaiyaraaja and cinematography by Balu Mahendra.
Pallavi Joshi (पल्लवी जोशी)
Pallavi Joshi (पल्लवी जोशी), born 1969 in Bombay, is an Indian actress and producer in Hindi and Marathi cinema and 1990s television, a National Film Award winner for The Tashkent Files and The Kashmir Files, wife of filmmaker Vivek Agnihotri, and a CBFC board member.