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The first step in the biodegradation of cellulose acetate is the deactylation of the acetate from the polymer chain (which is the opposite of acetylation). An acetate is a negative ion with the chemical formula of C 2 H 3 O 2 −. Deacetylation can be performed by either chemical hydrolysis or acetylesterase. Chemical hydrolysis is the cleavage ...
An example of a 1-dimensional manifold is an interval [a, b], and intervals can be given an orientation: they are positively oriented if a < b, and negatively oriented otherwise. If a < b then the integral of the differential 1-form f(x) dx over the interval [a, b] (with its natural positive orientation) is
The dead time θ is the amount of time between when the step change occurred and when the output first changed. The time constant (τ p) is the amount of time it takes for the output to reach 63.2% of the new steady-state value after the step change. One downside to using this method is that it can take a while to reach a new steady-state value ...
A material property is an intensive property of a material, i.e., a physical property or chemical property that does not depend on the amount of the material. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection.
Tree-traversal APIs accessible from a programming language, for example DOM. XML data binding, which provides an automated translation between an XML document and programming-language objects. Declarative transformation languages such as XSLT and XQuery. Syntax extensions to general-purpose programming languages, for example LINQ and Scala.
The principle employed in using a screw propeller is derived from stern sculling.In sculling, a single blade is moved through an arc, from side to side taking care to keep presenting the blade to the water at the effective angle.
A proper noun is a noun that identifies a single entity and is used to refer to that entity (Africa; Jupiter; Sarah; Walmart) as distinguished from a common noun, which is a noun that refers to a class of entities (continent, planet, person, corporation) and may be used when referring to instances of a specific class (a continent, another planet, these persons, our corporation).