The measurement of the process capability is a key part quantitative quality control, and indices are statistical measures capability. Six Sigma level represents maximum achievable capability, many enterprises have implemented improvement strategies. In recent years, studies investigated indices, including Qpk. However, Qpk contains two unknown parameters, namely δ γ, which difficult to use in ...

Abstract Groundwater is an important source for drinking water supply in hard rock terrain of Bundelkhand massif particularly District Mahoba, Uttar Pradesh, India. An attempt has been made this work to understand the suitability groundwater human consumption. The parameters like pH, electrical conductivity, total dissolved solids, alkalinity , hardness, calcium, magnesium, sodium, potassium, b...

This paper develops an index of pollution based on the epidemiological dose-response function associated with each pollutant, and the welfare losses due to exposure to pollution. The probability of damage is translated into welfare losses, which provides the common metric required for aggregation. Isopollution surfaces may then be used to compare environmental quality over time and space. An Ai...

WHY: For all people, sleep is part of the rhythm of life. Without a " good " sleep, the body loses the ability to revitalize, the mind is less adept and one's mood is altered. Circadian rhythms have a major impact on older adults' health and well-being. Normal aging changes conspire to interfere with the quality of sleep, while health and medication use can affect the sleep patterns in a negati...