The recycled aggregate obtained by simple crushing and screening of waste concrete Thermometer has a rough surface and many protruding edges and corners, and most of the aggregate surface is attached with old mortar, when directly used as aggregate in concrete, the water demand is large, the concrete strength and elastic modulus are low, and the du
There are few data on the range and severity of symptoms of SARS-CoV-2 infection or the impact on life quality in infected, previously healthy, young adults such as Swiss Armed Forces personnel.It is also unclear if an app can be used to remotely monitor symptoms in persons who test positive.Using a smartphone app called ITITP (Illness Tracking in
Population genetic structure of agricultural pests can be impacted not only by geographic distance and the broader ecological and physical barriers but also by patterns related to where crops are produced and how they are moved after harvest.Stored-product pests, for instance, specialize in exploiting grains such as wheat and rice from on-farm stor