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In the fossil fuel industries, hydrocarbon refers to naturally occurring petroleum, natural gas and coal, or their hydrocarbon derivatives and purified forms. Combustion of hydrocarbons is the main source of the world's energy. Petroleum is the dominant raw-material source for organic commodity chemicals such as solvents and polymers.
Descartes' metaphysical thought is found in his Meditations on First Philosophy (1641) and Principles of Philosophy (1644). Baruch Spinoza (1632 – 1677) – one of the great rationalists of 17th-century philosophy. He defined "God" as a singular self-subsistent substance, and both matter and thought as attributes of such.
The circled dot was used by the Pythagoreans and later Greeks to represent the first metaphysical being, the Monad or The Absolute. The first named Greek philosopher, according to Aristotle, is Thales of Miletus, early 6th century BCE. He made use of purely physical explanations to explain the phenomena of the world rather than the mythological ...
Metaphysics is the study of the most general features of reality, including existence, objects and their properties, possibility and necessity, space and time, change, causation, and the relation between matter and mind.
Because its unusual ethano-bridge was a deviation from the standard hydrocarbon caged rearrangements, it came to be known as bastardane—the unwanted child. [3] [46] Dinocap: Dinocap (C 18 H 24 N 2 O 6), a miticide and contact fungicide used to control powdery mildew in crops. DuPhos: DuPhos A class of asymmetric ligands for asymmetric synthesis.
Metaphysics is the branch of philosophy that investigates principles of reality transcending those of any particular science. Cosmology and ontology are traditional branches of metaphysics.
Shungite is most widely known for crystal healing and medical claims about its uses in medicine and technology, where it is claimed to have properties ranging from health benefits to protection from EMF (electromagnetic frequencies).
The term terpene was coined in 1866 by the German chemist August Kekulé to denote all hydrocarbons having the empirical formula C 10 H 16, of which camphene was one. Previously, many hydrocarbons having the empirical formula C 10 H 16 had been called "camphene", but many other hydrocarbons of the same composition had different names.