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Bioconcentration. In aquatic toxicology, bioconcentration is the accumulation of a water-borne chemical substance in an organism exposed to the water. [ 1][ 2] There are several ways in which to measure and assess bioaccumulation and bioconcentration. These include: octanol-water partition coefficients (K OW ), bioconcentration factors (BCF ...
Tris (pentafluorophenyl)borane, sometimes referred to as "BCF", is the chemical compound (C6F5)3B. It is a white, volatile solid. The molecule consists of three pentafluorophenyl groups attached in a "paddle-wheel" manner to a central boron atom; the BC3 core is planar. It has been described as the “ideal Lewis acid ” because of its high ...
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Emotion classification, the means by which one may distinguish or contrast one emotion from another, is a contested issue in emotion research and in affective science. Researchers have approached the classification of emotions from one of two fundamental viewpoints: [citation needed]
The PADI recreational dive planner, in "Wheel" format. The Recreational Dive Planner (or RDP) is a decompression table in which no-stop time underwater is calculated. [ 1] The RDP was developed by DSAT and was the first dive table developed exclusively for no-stop recreational diving. [ 2] There are four types of RDPs: the original table ...
The Wheel of Love is contains 20 works of short fiction by Joyce Carol Oates published by Vanguard Press in 1970. The volume brought Oates "abundant national acclaim" [2] including this assessment from librarian and critic John Alfred Avant: "Quite simply, one of the finest collections of short stories ever written by an American."
Alexithymia (/ əˌlɛksɪˈθaɪmiə / ə-LEK-sih-THY-mee-ə), also called emotional blindness, [1] is a neuropsychological phenomenon characterized by significant challenges in recognizing, expressing, sourcing, [2] and describing one's emotions. [3][4][5] It is associated with difficulties in attachment and interpersonal relations. [6]
Flapwheel. Early radial flapwheel, for use with an electric drill. A flapwheel and the related flap disk is an abrasive disk, used for metal finishing. Unlike the simpler flat disks, made from a circular flat sheet of a coated abrasive, a flapwheel is made of multiple overlapping small pieces or 'flaps', bonded to a central hub.