At present, there are still problems, such as uneven regional distribution and low per capita ownership of water resources in the Pearl River Delta, so solving problem resource allocation is a hot spot that needs continuous attention region today. For long time, many experts scholars have proposed models WEAP (Water Resources Assessment Planning) SWAT (Soil Water Tool). Based on advantages disa...

development is surely as old as human civilization itself. but as a conscious thrust or emphasis on global scale and level, it is hardly forty five years old. today, it is man's top priority. the develomental effort has yielded handsome results also. this is a consequence of science and technology which have revolutionized human life. striking gains have been made in the areas of health an...

abstract rainwater harvesting (rwh) is one of the most effective water resources management techniques for confrontation with water shortage condition. rwh which is basically known as a traditional method, has been developed rapidly and being used widely in dryland countries throughout the world. rwh is defined as collecting and storing rainwater from nearby catchment and delivering it to plant...

due to shortage of precipitation and the spatial and periodical disparity of rainfalls, iran iscounted among the arid and semi-arid countries of the world, and therefore the water utilities have put thecontrol of consumption and efficient use of water high on their priorities. water consumption management isconsidered as a field of energy management, and the impacts of effective measure related...

Today, in most urban areas Sub-Saharan Africa, dwellers are facing difficulties adequately accessing potable water sufficient quantity and quality for their daily needs uses. Analogously, there have been fledgling challenges triggered by portable Shortage Bomaka. This study aims to assess the problem of accessibility Bomaka Buea Municipality coping strategies developed meet needs. The used expl...

Despite much media attention being given to the physician shortage in Canada in recent years, this shortage pales in comparison to that seen in many middle- and low-income countries. A major cause of the shortage in these countries is the migration of health care workers from developing to developed nations, a phenomenon known as the "brain drain". The loss of these workers is having devastatin...

Hard rock aquifers for the purpose of this Paper mean the non-carbonate, fractured rock aquifers in the terrain covered by crystalline basement complex, metamorphic rocks and also by extensive effusive volcanic rocks like the basalts of western India (Deccan traps. Ground water development in hard rock aquifer areas has always played a secondary role compared to that in the areas having high-yi...

There is a critical need for safe water in healthcare facilities (HCF) in low-income countries. HCF rely on water supplies that may require additional on-site treatment, and need sustainable technologies that can deliver sufficient quantities of water. Water treatment systems (WTS) that utilize ultrafiltration membranes for water treatment can be a useful technology in low-income countries, but...

JULY/AUGUST 2010 CATARACT & REFRACTIVE SURGERY TODAY EUROPE 15 H ydrophilic IOLs have many appealing characteristics, such as good optical clarity, good biocompatibility, a low incidence of dysphotopias, and good compressibility allowing implantation through small incisions. Many of these characteristics are due to the water content of hydrophilic lenses, which can vary from 18% to 30%. In cont...

abstract the use of water sources has increased due to extend of agricultural activity for answering food needs of increasing population. while because of exploitation and consumption of water, the use of this restricted resource is not appropriate. consequently in many districts of country the head level of ground water aquifers have been fallen and water level is negative. so, application of ...