Understanding the health risks of toxic elements (TEs) in urban park soils and determining their priority control factors are crucial to public health and pollution management. In this work, soil samples from 33 urban parks in Guiyang, a typical karstic city, were collected. Results showed that...

On-site calibration technology is an important technical means for calibration of fixed gamma dose instruments in large nuclear facilities. The two key factors that affect the calibration effect are: the calibration source and the agreed true value. This paper studies the characteristics of the...

This paper proposes a novel method based on Monte Carlo Ray Tracing for high-precision and low time computation processing of view factors in random assemblies of cylindrical packed beds. The Monte Carlo Ray Tracing method is improved by coupling it with Kowsary’s tangent sphere method under...

The self-assembly of 2D metal-organic networks comprising 1,3,5-tris(pyridyl)benzene (TPyB) molecules and copper atoms on the oxygen-terminated titanium carbide MXene surface was theoretically investigated. We have developed a lattice model of the TPyB-Cu networks on the energetically...

The findings from most benefit-cost analyses (BCA) are subject to considerable uncertainty. In BCAs of social programs, much of this uncertainty arises from sampling error to which the impact estimates used in determining benefits and costs are subject. Such uncertainty in BCAs of social...