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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 ...
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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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10.1: First spikelet of head just visible. 10.2: One-quarter of heading process completed. 10.3: Half of heading process completed. 10.4: Three-quarters of heading process completed. 10.5: All heads out of sheath. Flowering 10.51: Beginning of flowering. 10.52: Flowering complete to top of head. 10.53: Flowering completed at base of head. 10.54
Particle decay. Spontaneous breakdown of an unstable subatomic particle into other particles. In particle physics, particle decay is the spontaneous process of one unstable subatomic particle transforming into multiple other particles. The particles created in this process (the final state) must each be less massive than the original, although ...
Peanut Butter. This one may cause a pause, but there's a caveat here. Most commercial peanut butter lasts a while in the pantry if they're unopened like six to 24 months. On the other hand ...
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