Gamma spectroscopic analyses of sand and rock samples from Tyaa River report an average activity concentration of 33 ± 1, 55 ± 2.8 and 812 ± 40.46 Bqkg−1 for 226Ra, 232Th and 40K, respectively in the sand. A similar analysis ...

The purpose of this study was to establish the influence of availability of teaching resources in implementation of Strengthening of Mathematics and Science Education programme (SMASE) in Public Secondary Schools in ...

A study was carried out to examine the types of forest provisioning ecosystem services (FPES) extracted from Chyulu Hills Forest by small holder farmers living in the forest adjacent area. Using a Survey Research Design, ...

The World Drug Report 2019 shows that in 2017, an estimated 271 million people, or 5.5 per cent of the global population aged 15–64, had used drugs in the previous year and that the drug problem had reached crisis level. ...

The variability of background radiation from primordial radionuclides has led to the exposure of human beings to radiation doses of different ranges. Prompt or delayed harmful effects as a result of radiation exposure have ...

In the present paper, we introduce and study the concept of norms of derivations, in particular norm estimates of derivations implemented by self-adjoint operators. We show that kδC k = kCX −XCk ≤ 2kCk, for inner derivation ...

This paper focuses on the properties of the essential maximal numerical range of Aluthge transform Te. For instance, among other results, we show that the essential maximal numerical range of Aluthge transform is nonempty ...

In this paper, we consider at the equations of motion in vector form and convert them to cylindrical coordinates.We also consider the continuity and momentum properties of these equations.

Retirement is a period that is associated with many problems ranging from physical, psychological to socioeconomic ones. While the majority of research in Kenya has focused on the challenges of retirement, little is known ...

Retirement is a period that is associated with many challenges ranging from physical, psychological to socio-economic ones. This study sought to find out how retired teachers in Makueni County adjusted in their retirement ...