Objective(s): We evaluated edge artifacts in relation to phantom diameter and reconstruction parameters in point spread function (PSF)-based positron emission tomography (PET) image reconstruction.Methods: PET data were acquired from an original cone-shaped phantom filled with 18F solution (21.9 kBq/mL) for 10 min using a Biograph mCT scanner.The i
Since ancient time this type of agreement was thought to have a special utility in exploiting the land property.The land Pod Vapes leasing agreement is a juridical instrument specific for exploiting agricultural goods at present time as well.Therefore, after 1990, the land leasing agreement was regulated by Law no.16/1996 of the land leasing, compl
The occurrence of the COVID-19 pandemic caused significant changes to the operation of a company.In Hemp Wicks addition, with government regulations to carry out activities inside the house and limit contact with the outside environment, it causes panic buying by the public.This is an attraction for business actors in seeing business opportunities
Spatial heterogeneity in the supply and demand of ecosystem services across multi spatiotemporal scales facilitates the formulation of ecosystem management policies at Grinders diverse administrative levels.We mapped the five ecosystem services (ESs) in China, analyzed the spatiotemporal evolution of ESs supply and demand pattern from 2000 to 2020,