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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 ...
Fatigue limit. Representative curves of applied stress vs number of cycles for steel (showing an endurance limit) and aluminium (showing no such limit). The fatigue limit or endurance limit is the stress level below which an infinite number of loading cycles can be applied to a material without causing fatigue failure. [ 1]
Fish locomotion. Fish locomotion is the various types of animal locomotion used by fish, principally by swimming. This is achieved in different groups of fish by a variety of mechanisms of propulsion, most often by wave-like lateral flexions of the fish's body and tail in the water, and in various specialised fish by motions of the fins.
This document is a 35-page excerpt, including the. Welcome chapter of the book and. Part 1: The Principles of Best Year Yet –. three hours to change your life. First published by. HarperCollins in 1994. and by Warner Books in 1998. Available in 12 other languages, including Spanish, Dutch, German, Italian, Swedish, Romanian, Chinese, and ...
The Bridge to Total Freedom, also known as the Classification, Gradation and Awareness Chart, is Scientology 's primary action plan and road map to guide a person through the sequential steps to attain Scientology's concept of spiritual freedom. [1]: 134–135 [2]: 48, 296 Displayed in every Scientology organization as an enormous poster using ...
Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br. It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [ 1 ]
Aquatic locomotion. A great cormorant swimming. Aquatic locomotion or swimming is biologically propelled motion through a liquid medium. The simplest propulsive systems are composed of cilia and flagella. Swimming has evolved a number of times in a range of organisms including arthropods, fish, molluscs, amphibians, reptiles, birds, and mammals.