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The provision of water services in urban areas is the responsibility of PDAMs (Perusahaan Daerah Air Minum), Local Government Owned Water Utilities. There are 319 PDAMs in Indonesia. Two (Jakarta and North Sumatra) operate at provincial government level.
Hantu Air, Puaka Air or Mambang Air is the Malay translation for Spirit of the Water or Water Ghost, which according to animist traditions in Maritime Southeast Asia, is the unseen inhabitant of watery places such as rivers, lakes, seas, swamps and even ditches. [1]
In another comparison of Lewis and Brønsted–Lowry acidity by Brown and Kanner, [19] 2,6-di-t-butylpyridine reacts to form the hydrochloride salt with HCl but does not react with BF 3. This example demonstrates that steric factors, in addition to electron configuration factors, play a role in determining the strength of the interaction ...
An aqueous solution containing 2 g of glucose and 2 g of fructose per 100 g of solution contains 2/100=2% glucose on a wet basis, but 2/4=50% glucose on a dry basis.If the solution had contained 2 g of glucose and 3 g of fructose, it would still have contained 2% glucose on a wet basis, but only 2/5=40% glucose on a dry basis.
A base in chemistry is a substance that can accept hydrogen ions or donate a pair of valence electrons to form a bond.
Digital reconstruction of the 2nd century BC Basilica Sempronia, in the Forum Romanum 19th century reconstruction of the 2nd century AD Basilica Ulpia, part of the Trajan's Forum, Rome Ruins of Yererouk basilica 4th–5th century AD Ruins of the late 5th century AD basilica at Mushabbak, Syria Reconstruction of the basilica at Fano from a description by its architect Vitruvius
Saliva on a baby's lips. Saliva (commonly referred to as spit or drool) is an extracellular fluid produced and secreted by salivary glands in the mouth.In humans, saliva is around 99% water, plus electrolytes, mucus, white blood cells, epithelial cells (from which DNA can be extracted), enzymes (such as lipase and amylase), and antimicrobial agents (such as secretory IgA, and lysozymes).