high-level supply
41Water supply and sanitation in the United States — is provided by towns and cities, public utilities that span several jurisdictions and rural cooperatives. About 15 million Americans are served by their own wells. Public water supply and sanitation systems are regulated by state level regulatory …
42Coastal sediment supply — is the transport of sediment to the beach environment by both fluvial and aeolian transport. While aeolian transport plays a role in the overall sedimentary budget for the coastal environment, it is paled in comparison to the fluvial supply which …
43Water supply and sanitation in Venezuela — is characterized by insufficient coverage and service quality, despite the country s oil wealth. Increases in coverage in the 1990 2001 period have been limited; more recent coverage figures are not readily available.Investments in the sector are …
44Power supply — For the Budgie album, see Power Supply (album). A vacuum tube rackmount adjustable power supply, capable of +/ 1500 volts DC, 0 to 100mA output, with amperage limiting capability. A power supply is a device that supplies electrical energy …
45Water supply and sanitation in Ghana — The water supply and sanitation sector in Ghana faces severe problems, partly due to a neglect of the sector until the 1990s. Tariffs were kept at a low level which was far from reflecting the real cost of the service. Economic efficiency still… …
46Water supply and sanitation in Bangladesh — Even though the water supply and sanitation sector in Bangladesh is expanding its coverage, it is difficult to keep pace with the rapid population growth. The country used to rely mainly on groundwater, which is why the discovery of arsenic in… …
47Switched-mode power supply — switched mode power supply. A bridge rectifier B Input filter capacitors C Transformer D output filter coil E output filter capacitors ] A switched mode power supply, switching mode power supply or SMPS, is an electronic power supply unit (PSU)… …
48Water supply and sanitation in Saudi Arabia — differs from most other countries in three significant aspects. First, it relies almost exclusively on two sources that are absent in most other countries: desalination and fossil water. Second, given the substantial oil wealth of the country,… …
49Water supply and sanitation in Zambia — is characterized by wide discrepancies in access to an improved water source between urban (90%) and rural areas (40%), as well as limited service quality in urban areas. A reform process undertaken since 1989 in urban areas has been slow to… …
50Aggregate supply — In economics, aggregate supply is the total supply of goods and services produced by a national economy during a specific time period. There are at least three different versions of this concept.1. Sometimes the Z curve in the Keynesian cross… …
