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The Black Mesa Research Facility (also simply called Black Mesa) is a fictional underground laboratory complex that serves as the primary setting for the video game Half-Life and its expansions, as well as its unofficial remake, Black Mesa. It also features in the wider Half-Life universe, including the Portal series.
In electrochemistry, a half-cell is a structure that contains a conductive electrode and a surrounding conductive electrolyte separated by a naturally occurring Helmholtz double layer. Chemical reactions within this layer momentarily pump electric charges between the electrode and the electrolyte, resulting in a potential difference between the ...
An electrochemical cell (resembling a Daniell cell) with a filter paper salt bridge.The paper has been soaked with a Potassium nitrate solution.. In electrochemistry, a salt bridge or ion bridge is an essential laboratory device discovered over 100 years ago.
Absorption half-life 1 h, elimination half-life 12 h. Biological half-life ( elimination half-life , pharmacological half-life ) is the time taken for concentration of a biological substance (such as a medication ) to decrease from its maximum concentration ( C max ) to half of C max in the blood plasma .
It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40–50%) and hemicellulose (15–25%) impregnated with lignin (15–30%). [17] In coniferous or softwood species the wood cells are mostly of one kind, tracheids, and as a result the material is much more uniform in structure than that of most hardwoods. There ...
Gordon Freeman, PhD, is the silent protagonist of the Half-Life series and the playable character in Half-Life and all games in the Half-Life 2 series. He is a theoretical physicist and holds a PhD from MIT in that field. At the time of Half-Life, he works at Black Mesa Research Facility, a facility in New Mexico, conducting nuclear and ...
Secretlab was founded as a startup company in December 2014 [6] by former professional esports players Ian Alexander Ang and Alaric Choo, [7] both of whom specialised in StarCraft II. [8]
A galvanic cell consists of two half-cells, such that the electrode of one half-cell is composed of metal A, and the electrode of the other half-cell is composed of metal B; the redox reactions for the two separate half-cells are thus: A n + + n e − ⇌ A B m + + m e − ⇌ B. The overall balanced reaction is: m A + n B m + ⇌ n B + m A n +