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The most recent site, the Central Highlands of Sri Lanka, was listed in 2010. The Central Highlands and the Sinharaja Forest Reserve are natural sites, the other six are cultural. In addition, Sri Lanka has four sites on its tentative list. The country served as a member of the World Heritage Committee in the years 1983–1989. [3]
Extraction Profile for Different Types of Extraction. The extraction curve of % recovery against time can be used to elucidate the type of extraction occurring. Figure 4(a) shows a typical diffusion controlled curve. The extraction is initially rapid, until the concentration at the surface drops to zero, and the rate then becomes much slower.
Supercritical carbon dioxide can be used as a solvent in dry cleaning. [4] Supercritical carbon dioxide is used as the extraction solvent for creation of essential oils and other herbal distillates. [5] Its main advantages over solvents such as hexane and acetone in this process are that it is non-flammable and does not leave toxic residue.
It is a site of historical and archaeological significance that is dominated by a massive column of granite approximately 180 m (590 ft) high. [ 2 ] According to the ancient Sri Lankan chronicle the Cūḷavaṃsa , this area was a large forest, then after storms and landslides it became a hill and was selected by King Kashyapa (AD 477–495 ...
Supercritical fluids have found application in a variety of fields, ranging from the extraction of floral fragrance from flowers to applications in food science such as creating decaffeinated coffee, functional food ingredients, pharmaceuticals, cosmetics, polymers, powders, bio- and functional materials, nano-systems, natural products ...
At Sri Lanka Ports Authority premises [12] Former General Post Office, Colombo: Colombo: Colombo: 21 January 2000: 17 Janadhipathi Mawatha [12] Darly Building: Suduwella: Thimbirigasyaya: 23 February 2007: Building known as “Darly Building” in which presently the Office of Lanka Sama Samaja Party bearing Assessment No. 456 of Dr. Kolvin R ...
The archaeological heritage of Sri Lanka can be divided into three ages; Prehistoric (Stone-age), Protohistoric (Iron Age), and historical period. The presence of man activities in Sri Lanka probably dates from 75,000 years ago (late Pleistocene period). Prehistoric sites which are presently identified in the country are distributed from the ...
Category: Historic sites in Sri Lanka. ... Archaeological sites in Sri Lanka (27 C, 23 P) F. Forts in Sri Lanka (2 C, 4 P) W. World Heritage Sites in Sri Lanka (2 C ...