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Encyclopedia : P : PH : PHT (50 articles)


P. H. Talbot
Lieutenant Commander P. H. Talbot was the first captain of the USS Helm in 1937. ..
Phthalates
R, R' =CnH2n+1; n = 4-15 Phthalates, or phthalate esters, are a group of chemical compounds that are mainly used as plasticizers (substances added to plastics to increase their flexibility). They are chiefly used to turn polyvinyl chloride from a hard plastic into a flexible plastic. Phthalate es..
Phthalazines
Phthalazines, also called benzo-orthodiazines or benzopyridazines, are a group of heterocyclic compounds containing a ring complex. They are isomeric with the cinnolines. The parent substance of the group, phthalazine, C8H6N2, is best obtained from the condensation of w-tetrabromorthoxylene with hyd..
Phthalic acid
Phthalic acid General Other names Benzene-1,2-dicarboxylic acid Molecular formula C6H4(COOH)2 SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)O Molar mass 166.14 g/mol Appearance white solid CAS number [88-99-3] Properties Density and phase 1.593 g/cm3, solid Solubility in ..
Phthalic acids
Phthalic acids, also known as benzene dicarboxylic acids, are organic acids with the chemical formula C6H4(COOH)2. There are three isomers: ortho- or phthalic acid (1,2-benzenedicarboxylic acid); meta- or isophthalic acid (1,3-benzenedicarboxylic acid); para- or terephthalic acid (1,4-benzenedicarbo..
Phthalic anhydride
Phthalic anhydride General Systematic name 1,2-benzenedicarboxylic anhydride Other names Isobenzofuran-1,3-dione Molecular formula C8H4O3 SMILES C1=CC=C2C(=C1)C(=O)OC2=O Molar mass 148.1 g/mol Appearance white solid CAS number [85-44-9] Properties Density and..
Phthalo
Phtalo is a record label, based in Pasadena, California. See also List of record labels External links [Official site][Phthalo @ Discogs.com] ..
Phthalocyanine
A phthalocyanine is a macrocyclic compound having an alternating nitrogen atom-carbon atom ring structure. The molecule is able to coordinate hydrogen and metal cations in its center by coordinate bonds with the four isoindole nitrogen atoms. The central atoms can carry additional ligands. Most of..
Phthalocyanine Blue BN
Phthalocyanine Blue BN Phthalocyanine Blue BN, also called phthalo blue, helio blue, phthalocyanine blue, C.I. Pigment Blue 15:2, Copper phthalocyanine blue, Copper tetrabenzoporphyrazine, Cu-Phthaloblue, and C.I. 74160, is a bright, greenish-blue crystalline synthetic blue pigment from the gr..
Phthalocyanine dyes
The copper phthalocyanine dyes are produced by introducing solubilizing groups, such as one or more sulphonic acid functions in CPC structure. These dyes find extensive use in various areas of textile dyeing (Direct dyes for cotton), for spin dyeing and in the paper industry. Direct blue 86 is ..
Phthalocyanine Green G
Phthalocyanine Green G, also called phthalo green, Pigment Green 7, Copper Phthalocyanine Green, C.I. Pigment Green 42, Non-flocculating Green G, Polychloro copper phthalocyanine, or C.I. 74260, is a synthetic green pigment from the group of phthalocyanine dyes, a complex of copper(II) with chlori..
Phthia
Phthia may also refer to the mother of Pyrrhus of Epirus, Phthia of Epirus. For the asteroid, see 189 Phthia. Phthia (Greek: Φθίη transliterations:, modern: Fthii, ancient: Phthíē) is an ancient region of Greece, at the southern part of Magnesia, on the both sides of Othrys mountain. It was t..
Phthia of Epirus
Phthia (in Greek Φθία; lived 4th century BC) was a daughter of Menon of Pharsalus, the Thessalian hipparch, and wife of Aeacides, king of Epirus, by whom she became the mother of the celebrated Pyrrhus, as well as of two daughters: Deidamia, the wife of Demetrius Poliorcetes, and Troias, of whom..
Phthia of Macedonia
Phthia (in Greek Φθια; lived 3rd century BC) was a daughter of Alexander II (272–260 BC), king of Epirus, who was married to Demetrius II (239–229 BC), king of Macedonia. The match was arranged by her mother Olympias, who was desirous of thus securing the powerful assistance of the M..
Phthinosuchus
Phthinosuchus was a therapsid that lived in Late Permian of Russia. Phthinosuchus is the sole member of its family and suborder, but Pthinosaurus may be a relative. Phthinosuchus is one of the most primitive therapsids, and its ancestors from the earlier part of Permian age branched off early from..
Phthiotis
Phthiotis, or (Greek, Modern: Φθιώτιδα - Fthiótida, Ancient/Katharevousa: Φθιώτις; see also List of traditional Greek place names) is one of the prefectures of Greece. The capital is the city of Lamia. It is bordered by the prefectures of Euboea via a gulf in the east, Boeotia in t..
Phthisis bulbi
Phthisis bulbi is a shruken, non-functional eye that result from severe ocular disease, inflammation, or injury[link][link]. See also List of eye diseases and disorders ..
Phthonus
In Greek mythology, Phthonus was the personification of jealousy and envy. He was the son of Nyx and Dionysus. He had a great many wives but killed each one eventually, on suspicions of adultery. ..
Phthorimaea operculella
The 'potato tuber moth (Phthorimaea operculella) is a major pest on potatoes in New Zealand and South Africa. It has a world-wide distribution. The body length is about 10mm and the wingspan is about 12mm. The larva is called potato tuberworm. In South Africa, the spider Selenops radiatus has pr..
Phtisicinae
Phtisicinae is a subfamily of Caprellidae. Genera Aeginoides Caprellina Caprellinoides Chaka Dodecas Dodecasella Hemiproto Hircella Liriarchus Metaproto Paedaridium Paraproto Perotripus Phtisica Prellicana Protogeton Protomima Pseudocaprellina Pseudododecas Pseudoproto Pseudoprotomima Quadrisegm..

 


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