A STUDY OF GROWTH OF COVID-19 WITH SUPER-SPREADERS USING THE MODIFIED SIR MODEL INCLUDING ICEBERG PHENOMENON




THE QUESTION OF IDENTITY IN THE URBAN PLANNING SYSTEM IN MOROCCO

Urban and cultural identity is an extremely interesting and decisive concept in the reflections in the past, present and in the future of the territories.Goal and objectives: Beyond the theoretical aspects of the concept, this study highlights the link between the concept and the urban planning system.If identity is in essence multi-scalar, the sca

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Observation of a single protein by ultrafast X-ray diffraction

Abstract The idea of using ultrashort X-ray pulses to obtain images of single proteins frozen in time has fascinated and inspired many.It was one of the arguments for building X-ray free-electron lasers.According to theory, the extremely intense pulses provide sufficient signal to dispense with using crystals as an amplifier, and the ultrashort pul

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