Objectives: Successful aging is an interdisciplinary concept. Despite the great body of literature on successful aging, few studies have focused on its subjective and multidimensional measurements. Thus, the present study aimed to develop an instrument to measure self-perceived successful aging. Methods: We used a mixed method approach. The successful aging dimensions were explored through an ...

Intervention studies in animals suggest molecular changes underlying age-related disease and disability can be slowed or reversed. To speed translation of these so-called "geroprotective" therapies to prevent age-related disease and disability in humans, biomarkers are needed that can track changes in the rate of human aging over the course of intervention trials. Algorithm methods that measure...

modified bituminous materials can bring real benefits to highway maintenance/construction, in terms of better and longer lasting roads, and savings in total road life castings. this paper present the effect of there novel modifier as precipitated calcium carbonate (pcc) and two type of nanoclay on rheological properties of bitumen binder. various blends of modifier and bitumen were selected and...

INTRODUCTION Prior studies comparing Hemodynamic Response Function (HRF) in the young and elderly adults based on fMRI data have reported inconsistent findings for brain vision and motor regions in healthy aging. It is shown that the averaging method employed in all previous works has caused this inconsistency. The averaging is so sensitive to outliers and noise. However, fMRI data are obscured...

A study has been made of the effect of age on the susceptibility of mature human erythrocytes to hemolysis in hypotonic media. The alterations in osmotic fragility associated with red cell aging are pertinent to the relationship between cellular senescence and the maintenance of cell mambrane integrity. In addition, differences in osmotic resistance between young and old erythrocytes could prov...

In the current study, the sources of variation in the mean hardness value of heat treated aluminum 2024 samples were identified by using metallurgical study and design of experiment methodology (full factorial method). Hardness measurements and microstructural investigations of the samples were carried out using Brinell hardness test and optical microscopy, respectively. The effects of several ...

Approaches are described for incorporating component aging reliability models into a probabilistic safety assessment (PSA), or probabilistic risk assessment (PRA), of a nuclear power plant. These approaches and procedures are described from a technical standpoint and are not to be interpreted as having any regulatory implications. Component aging failure rate models and test and maintenance agi...

In order to further study the effect of different degree acidity and alkalinity on cable insulation aging, aging condition was compared analyzed under pH values. The samples material slice short were carried out accelerated test, which placed in conditions And then test results micro morphology electrical properties between after aging. According this paper, would change differently alkalinity,...