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Temperature programmed desorption (TPD) is the method of observing desorbed molecules from a surface when the surface temperature is increased. When experiments are performed using well-defined surfaces of single-crystalline samples in a continuously pumped ultra-high vacuum (UHV) chamber, then this experimental technique is often also referred to as thermal desorption spectroscopy or thermal ...
Dixmier trace. In mathematics, the Dixmier trace, introduced by Jacques Dixmier ( 1966 ), is a non-normal [clarification needed] trace on a space of linear operators on a Hilbert space larger than the space of trace class operators. Dixmier traces are examples of singular traces . Some applications of Dixmier traces to noncommutative geometry ...
History of Fianna Fáil. Fianna Fáil was founded on 23 March 1926 when a group of Dáil deputies led by Éamon de Valera [1] split from the original Sinn Féin. This happened because de Valera's motion calling for elected members be allowed to take their seats in the Dáil, if and when the controversial Oath of Allegiance was removed, failed ...
TDS Metrocom. TDS Metrocom is TDS Telecom 's local phone business, providing customers with phone, data, and Internet services in a five-state area in the midwestern United States. Its central office is located at 3416 University Ave in Madison, Wisconsin. Unlike Telecom, Metrocom used a deal brokered by Tommy Thompson to allow for local phone ...
A Tektronix TDS210 digital oscilloscope. A digital storage oscilloscope ( DSO) is an oscilloscope which stores and analyses the input signal digitally rather than using analog techniques. It is now the most common type of oscilloscope in use because of the advanced trigger, storage, display and measurement features which it typically provides. [1]
Sodium polyacrylate ( ACR, ASAP, or PAAS ), [1] : 233 also known as waterlock, is a sodium salt of polyacrylic acid with the chemical formula [−CH 2 −CH (CO 2 Na)−] n and has broad applications in consumer products. This super-absorbent polymer (SAP) has the ability to absorb 100 to 1000 times its mass in water.
Dimethylaniline. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ?) N,N-Dimethylaniline ( DMA) is an organic chemical compound, a substituted derivative of aniline. It is a tertiary amine, featuring a dimethylamino group attached to a phenyl group.