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Soil organic matter (SOM) is declining in most agricultural ecosystems, impacting multiple ecosystem services including erosion and flood prevention, climate and greenhouse gas regulation as well as other services that underpin crop production, such as nutrient cycling and pest control. Ecological intensification aims to enhance crop productivity by including regulating and supporting ecosystem service...
For the first time experimental results of two-dimensional electric field mapping within a GaAs-MMIC using the direct electro-optic probing technique are presented. As an example, maps of different sections of a coplanar 1-12 GHz travelling-wave amplifier such as a thin film resistor, a MESFET, the drain transmlssion line, and an air-bridge are displayed showing characteristic field distributions...
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