Abstract Extracting fresh water from Malaysia’s atmosphere which stores a wealth of can be conducted via the air condensation. In this study, miniature atmospheric generator (AWG) system named Mini-AWG was designed and constructed using 6 thermoelectric cooler (TEC) units, mesh-shaped filter ventilation fan. Subsequently, experimented for several days under outdoor climate at River Engineering ...

Scientific domain: %scientific_domain Subject short description: Water shortage and decline of the quality of fresh water resources make sea water desalination become a major way for drinking water production. Reverse Osmosis (RO) is now the main technology used for seawater desalination, but it shows a limited recovery and the environmental impact of large volumes of rejected brines is still a...

All around planet Earth, access to drinkable fresh water is a problem with increasing relevance, being its scarceness the origin of many diseases, namely in underdeveloped countries and a potential motivation to future conflicts. The present work focuses in the modelling of solar still systems of salt water, aiming at producing fresh water, having considered for that purpose four types of insta...

Benecke1) was the first to report the isolation of Bacillus chitinovorus, a bacillus which decomposes chitin, from the sea water of Kiel Bay in 1905. Later, the bacillus was collected and studied mainly in Germany and in the United States, taking as sources various materials such as sea mud, sea water, fresh lake water, soil, compost, crustacea etc. However, the study of this bacillus has never...

Malawi is a landlocked country, stretching over 94 084 square kilometres of land and 24 404 square kilometres of fresh water, whose economic backbone is agriculture. Malawi’s HIV positivity rate is estimated at 10.0% (Table 1).1 HIV prevalence varies widely by geographic regions, where it is 14.5% in southern Malawi, 7.6% in central Malawi and 6.6% in northern Malawi. Prevalence also differs by...

Novel physical and chemical conditions of many modern ecosystems increasingly diverge from the environments known to have existed at any time in the history of Earth. The loss of natural land to urbanization is one of the most prevalent drivers of novel environments in freshwaters. However, current understanding of aquatic community response to urbanization is based heavily upon aggregate indic...

Sub-chronic exposure (15 days) of Channa punctatus to sub-lethal concentrations of zinc (10, 15 and 25 Zn mg l(-1)) resulted in a significant decline of hepatic and ovarian glycogen, cholesterol, total proteins and total lipids. DNA and RNA contents were also estimated in the ovary. These parameters simultaneously decline with an increase in dose and duration of the experiment. A decline in all...