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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 ...
In homeopathy. Serial dilution is one of the core foundational practices of homeopathy, with "succussion", or shaking, occurring between each dilution. In homeopathy, serial dilutions (called potentisation) are often taken so far that by the time the last dilution is completed, no molecules of the original substance are likely to remain. [3][4]
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 ...
Bacterial growth. Growth is shown as L = log (numbers) where numbers is the number of colony forming units per ml, versus T (time.) Bacterial growth is proliferation of bacterium into two daughter cells, in a process called binary fission. Providing no mutation event occurs, the resulting daughter cells are genetically identical to the original ...
Heat the stock: Bring the stock to a boil. Cook the tortellini: Add the tortellini to the boiling liquid, and stir for a minute to keep the pasta separated and to prevent sticking. When the ...
Website. www.Lifetime.com. Lifetime Products Inc. is a privately owned company founded in 1986. Its main products are blow-molded polyethylene folding chairs and tables, picnic tables, home basketball equipment, [2] sheds, coolers, kayaks and paddleboards, and lawn and garden items, along with OEM steel and plastic items from other companies.
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 ...
Bcf – billion cubic feet (of natural gas) Bcf/d – billion cubic feet per day (of natural gas) Bcfe – billion cubic feet (of natural gas equivalent) BD – bursting disc; BDF – below derrick floor; BDL – bit data log; BDV – blowdown valve; BGL – borehole geometry log; BGL – below ground level (used as a datum for depths in a well)