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Industrial sector is adopting sophisticated and intelligent instrumentation systems to monitor and control various physical quantities. Therefore, there is potential demand of compact, planar sensors to convert different physical quantities into electrical signals. Microstrip sensors are found to be excellent candidates for this purpose. This Monograph presents basics of microstrip sensors, different planar microstrip sensors for humidity and oil level measurement. It also covers the concept of microstrip patch antenna as a sensor to detect metal objects. Design, fabrication and testing of...

Concrete is a macro-material strongly influenced by its nano-properties.The addition of nano particles to cement based materials can control the degradation of the calcium-silicatehydrate reaction caused by calcium leaching in water, blocking water penetration and leading to improvements in durability. Nano-sensors have a great potential to be used in concrete structures for quality control and durability monitoring.With nanomaterials increased material functionality, it may be possible in some cases to replace toxic materials and still achieve the desired functionality (in terms of...