RECONFIGURABLE MULTIBEAM HOLOGRAPHIC ANTENNA BASED ON LIQUID-CRYSTAL TECHNOLOGY FOR KA-BAND LEO SATELLITE APPLICATION

Reconfigurable Multibeam Holographic Antenna Based on Liquid-Crystal Technology for Ka-Band LEO Satellite Application

The requirements of low Earth orbit (LEO) satellite systems for high-precision and selective multiple coverage, have driven much interest and demand for millimeter-wave multibeam antennas.However, the key Cookbook Stand challenge is to provide fully independent control of each beam with a single source, and metasurfaces have paved the way to solve

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Recent advances in 3D-printing-based organ-on-a-chip

Organ-on-a-chip (OOC) facilitates Cleansing Oil precise manipulation of fluids in microfluidic chips and simulation of the physiological, chemical, and mechanical characteristics of tissues, thus providing a promising tool for in vitro drug screening and physiological modeling.In recent decades, this technology has advanced rapidly because of the d

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Dairy Wastewater to Promote Mixotrophic and Heterotrophic Metabolism in Chlorella Vulgaris: Effect on Growth and Fame Profile

The increase of greenhouse gases into the Cookbook Stand atmosphere represents today one of the most global concern.The inevitable depletion of fossil fuels and the adverse climate changes push the scientific community to seek renewable and sustainable sources of fuel.In this scenario microalgae can be potentially exploited as renewable and environ

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Implementation of a maternal early warning system during early postpartum. A prospective observational study.

ObjectiveTo evaluate the implementation of a maternal early warning system (MEWS) for monitoring patients during the first two hours after delivery in a tertiary level hospital.MethodsImplementation of the criteria between 15 March and 15 September 2018 was evaluated in 1166 patients.The parameters collected were systolic and diastolic blood pressu

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The Effect of Structural Uncertainties of Steel Shear Wall on Seismic Performance of Rehabilitated Moment Frame

Uncertainties are inevitable in the estimation of structural engineering issues and increase the cost of retrofitting.In the presence of uncertainties, the results of seismic evaluation are incorrect and create conservatism in acceptance criteria at structural performance levels.Considering and quantification of uncertainties in design and rehabili

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