active layer

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active layer

[′ak·tiv ′lā·ər]
(geology)
That part of the soil which is within the suprapermafrost layer and which usually freezes in winter and thaws in summer. Also known as frost zone.
References in periodicals archive ?
The application also is used to generate pdf files with the statement type surface or digitized parcel maps with farmers, viewing all active layers (over 60 layers increasing from year to year), various queries made by APIA in order to identify administrative errors, alphanumeric data export functions and vector-oriented APIA needs.
This report does not include patents related to active layers or GaN-based devices.
According to the so obtained thicknesses, shown in Table 3, it seems clear that there is a tendency to get thicker active layers when PEGs with higher MW are added.
The active layers stacked on top of each other often need to be connected and this is realized with TSV trenches the insides of which are coated with conducting material such as copper.
The combined protection of food contents by multiple barrier and active layers appears to be greater than standard tests for oxygen and moisture ingress are designed to measure, according to Gary Oliver, vice president of technology.
The combined protection of food contents by multiple--even dozens--of barrier and active layers appears to be greater than standard tests for oxygen and moisture ingress are designed to measure, according to Gary D.
The 17 inaugural papers examine such topics as biomolecular engineering fundamentals and advances in biofuels, structural complexities in the active layers of organic electronics, moving beyond mass-based parameters for the conductivity analysis of sulfonated polymers, ionic liquids in chemical engineering, theoretical aspects of immunity, batteries for electric and hybrid-electric vehicles, solar energy to biofuels, and lessons from force measurements on design rules for biomolecular adhesion.
For PTFE membranes the measured thickness of the active layers responsible for vapor transport was found to have similar sizes (54.
To create the active layers of the solar cells, a composite film of two different materials is needed--one of which must be good at transporting negative charges (electrons) and the other of which must be good at transporting positive charges (holes), he stressed.
First, the desire to separate two active layers by an inactive, breakable layer required at least a three-layer tablet press.
By the development of the direct computer controlled imaging of the printing forms (ctp) and thermal active layers (adams & romano, 1996), there is the trend of creating the "processless" printing forms, i.

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