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  2. Carbon sink - Wikipedia

    en.wikipedia.org/wiki/Carbon_sink

    A carbon sink is a type of carbon pool that has the capability to take up more carbon from the atmosphere than it releases. Globally, the two most important carbon sinks are vegetation and the ocean. [3] Soil is an important carbon storage medium. Much of the organic carbon retained in the soil of agricultural areas has been depleted due to ...

  3. Current sources and sinks - Wikipedia

    en.wikipedia.org/wiki/Current_sources_and_sinks

    Current source density analysis [ 2] (which could more accurately be called current source and sink density analysis) is the practice of placing a microelectrode in proximity to a nerve or a nerve cell to detect current sourcing from, or sinking into, their plasma membranes. When positive charges, for example, flow quickly across a plasma ...

  4. Current source - Wikipedia

    en.wikipedia.org/wiki/Current_source

    A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it. A current source is the dual of a voltage source. The term current sink is sometimes used for sources fed from a negative voltage supply. Figure 1 shows the schematic symbol for an ideal current source driving a ...

  5. Source–sink dynamics - Wikipedia

    en.wikipedia.org/wiki/Source–sink_dynamics

    Source–sink dynamics is a theoretical model used by ecologists to describe how variation in habitat quality may affect the population growth or decline of organisms . Since quality is likely to vary among patches of habitat, it is important to consider how a low quality patch might affect a population. In this model, organisms occupy two ...

  6. Lung float test - Wikipedia

    en.wikipedia.org/wiki/Lung_float_test

    Lung float test. The lung float test, also called the hydrostatic test or docimasia, [ 1] is a controversial autopsy procedure used in determining whether lungs have undergone respiration. It has historically been employed in cases of suspected infanticide to help determine whether or not an infant was stillborn.

  7. EPA workers’ union calls for telework options in response to ...

    www.aol.com/news/epa-workers-union-calls...

    Officials have reportedly closed certain sinks, water fountains and other water sources at EPA buildings in Washington, D.C.; Houston; and Chicago after positive tests for the bacteria.

  8. Field line - Wikipedia

    en.wikipedia.org/wiki/Field_line

    Field lines depicting the electric field created by a positive charge (left), negative charge (center), and uncharged object (right). A field line is a graphical visual aid for visualizing vector fields. It consists of an imaginary integral curve which is tangent to the field vector at each point along its length.

  9. Stability theory - Wikipedia

    en.wikipedia.org/wiki/Stability_theory

    Stability generally increases to the left of the diagram. [1] Some sink, source or node are equilibrium points. In mathematics, stability theory addresses the stability of solutions of differential equations and of trajectories of dynamical systems under small perturbations of initial conditions. The heat equation, for example, is a stable ...

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