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alpha. -Pyrrolidinopentiophenone. α-Pyrrolidinopentiophenone (also known as α-pyrrolidinovalerophenone, α-PVP, O-2387, β-keto-prolintane, prolintanone, [ 2][ 3] or desmethylpyrovalerone) is a synthetic stimulant of the cathinone class developed in the 1960s that has been sold as a designer drug and often consumed for recreational reasons ...
Vanilla planifolia is a species of vanilla orchid native to Mexico, Central America, Colombia, and Brazil. [2] It is one of the primary sources for vanilla flavouring, due to its high vanillin content. Common names include flat-leaved vanilla, [5] and West Indian vanilla (also used for the Pompona vanilla, V. pompona).
Miller indices form a notation system in crystallography for lattice planes in crystal (Bravais) lattices . In particular, a family of lattice planes of a given (direct) Bravais lattice is determined by three integers h, k, and ℓ, the Miller indices. They are written ( hkℓ ), and denote the family of (parallel) lattice planes (of the given ...
Pepsi Vanilla 2003 Pepsi with vanilla flavoring. It was released in the US and Canada in 2003 as Pepsi's answer to Vanilla Coke. [4] It was eventually discontinued by 2005, but was relaunched in 2019 and is still available in some parts of the US. It is also available in Hungary. Pepsi Lime 2004 Pepsi with lime flavoring. It was introduced in ...
In crystallography, the monoclinic crystal system is one of the seven crystal systems. A crystal system is described by three vectors. In the monoclinic system, the crystal is described by vectors of unequal lengths, as in the orthorhombic system. They form a parallelogram prism. Hence two pairs of vectors are perpendicular (meet at right ...
Vanilla extract is a solution made by macerating and percolating vanilla pods in a solution of ethanol and water. It is considered an essential ingredient in many Western desserts, especially baked goods like cakes, cookies, brownies, and cupcakes, as well as custards, ice creams, and puddings. [1] Although its primary flavor compound is ...
Hexagonal crystal family. In the hexagonal family, the crystal is conventionally described by a right rhombic prism unit cell with two equal axes ( a by a ), an included angle of 120° ( γ) and a height ( c, which can be different from a) perpendicular to the two base axes. The hexagonal unit cell for the rhombohedral Bravais lattice is the R ...
Cumulate rock. Cumulate rocks are igneous rocks formed by the accumulation of crystals from a magma either by settling or floating. Cumulate rocks are named according to their texture; cumulate texture is diagnostic of the conditions of formation of this group of igneous rocks. Cumulates can be deposited on top of other older cumulates of ...