With the increasing demand for underground resources in China, the construction of ultra-deep shafts is becoming more and more popular.In order to stabilize the shaft wall and reduce the collapse of the shaft wall during the shaft excavation, the freezing method is generally used in the construction.However, the vibration generated during blasting
Bioactivity and successful bone formation in silicon-substituted hydroxyapatite bone grafts were investigated by using scanning electron microscopy and electron dispersive x-ray spectroscopy.Areas of bone formation terracotta disposable napkins have been detected in scanning electron microscopy; and, arranged lamellar collagen has been observed.20.
Protected areas (PAs) are globally important caroline gardner cards sale environmental management tools against the effects of human activities, as they support the conservation of marine biodiversity, habitats, ecosystems and the processes within them, as well as resources in a broad sense.However, the application of Ecosystem Services (ESs) resea
The First World War was the scenario that led to the invention and systematic use of military camouflage techniques.Between them, the two fundamental modes of static or pictorial camouflage: mimetic, known as Disruptive Pattern Material, and the naval, called Dazzle Painting.Avantgarde artists contributed to their birth.Immediately, there was the t
Abstract This research aims to study the anthelmintic properties of selected five (5) tropical plant extracts, ascertained margin of fish host safety in reference with praziquantel, a commonly used chemo-therapeutics.Qualitative and quantitative analysis of Alligator pepper seeds (Aframomum melegueta), Moringa leaves (Moringa oleifera), Neem leaves