results long-term exposure to lead acetate caused histopathology effects including dilatation, congestion, nuclei heterochromatic effects, increase in diameter of renal tubules and urinary barrier thickness in rabbit renal tissue. conclusions quantitative and qualitative results of long-term lead acetate exposure showed many histopathology side-effects, especially in the urinary barrier. materi...

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The Choice Between Fixed and Random Effects Models: Some Considerations for Educational Research We discuss fixed and random effects models in the context of educational research and set out the assumptions behind the two approaches. To illustrate the issues, we analyse the determinants of pupil achievement in primary school, using data from the Avon Longitudinal Study of Parents and Children. ...

Background: This study aimed to investigate the inhibitory effects of simultaneous formaldehyde (FA) and noise exposure on the sperm kinematic parameters sexual hormones in male mice. Materials and Methods: Forty eight NMRI adult male mice were randomly assigned to control group and experimental groups which were exposed to formaldehyde vapour (10 ppm) (F), noise (100 dB) (N), and simultaneous ...

Acting upon the data involved in typical diagnostics and prognostics tasks is often confounded by the complexity of the corresponding situation and needs to take into account domain-specific or even installation-specific knowledge considerations. While domain knowledge is often captured in various forms, such as is typically done in Fault Modes, Effects and Criticality Analysis (FMECA), the con...

Background: This study aimed to investigate the inhibitory effects of simultaneous formaldehyde (FA) and noise exposure on the sperm kinematic parameters sexual hormones in male mice. Materials and Methods: Forty eight NMRI adult male mice were randomly assigned to control group and experimental groups which were exposed to formaldehyde vapour (10 ppm) (F), noise (100 dB) (N), and simultaneous ...

In studies of subjective well-being, economists and other researchers typically use a fixed or random effect estimation to control for unobservable heterogeneity across individuals. Such individual heterogeneity, although substantially reducing the estimated effect of many characteristics, is little understood. This paper shows that personality measures can account for 20% of this heterogeneity...

This paper examines the macroeconomic effects of environmental tax reform in a growing economy. A model of endogenous growth based on human capital accumulation is used to simulate numerically the growth effects of different environmental tax reforms and calculate their impact on welfare in the short and the long-term. Our results suggest that the magnitude of these effects depends on the type ...