A Rooftop Rainwater Harvesting (RRWH) system may improve water security as it allows water collection to be done directly at home, especially in an urban area.Geographical Information System (GIS) approach has been utilized in this study as a platform for urban environmental analysis, in which the suitability of the rooftop as a catchment area for

Population density regulation is a fundamental principle in ecology, but the specific process underlying functional expression of density dependence remains to be fully elucidated.One view contends that patterns of density dependence are largely fixed across a species irrespective of environmental conditions, whereas another is that the strength an

The call for green shipping is increasing, and the reduction of greenhouse gas emissions from ships becomes Power Rangers more and more important.Traditional ship energy efficiency monitoring is based on the noon reports, which are susceptible to human error and have a time delay.Many ship energy efficiency monitoring systems have been designed and

Quality healthy elderly refers to the active aging concept, namely the aging process that remains physically, socially and mentally healthy so that they remain prosperous throughout life.Many factors are related WHOLE RYE to the activity of the elderly such as: sports, income and gender with education as a confounding variable because it has two un