Mela knows of the Chinese and reports geographical and cultural information about Sri Lanka and India, as well as Mediterranean and European locales that are less remote to his experience. The outer edges of all the continents, including Europe, however, remained unfamiliar to the Romans, and it...
Little is known about rickettsial disease in Sri Lanka and thi... PH Stokes,BJ Walters - 《Journal of Travel Medicine》 被引量: 11发表: 2010年 Clinical and laboratorial evidence of Rickettsia felis infections in Latin America After the discovery and initial characterization of Rickettsia felis in...
abuts six countries. It is bounded to the northwest byPakistan, to the north byNepal,China, andBhutan; and to the east byMyanmar(Burma).Bangladeshto the east is surrounded by India to the north, east, and west. Theislandcountry ofSri Lankais situated some 40 miles (65 km) off the sou...
in a river in order to improve navigation and allow barges and ships to travel more easily. Dams can also provide a lake for recreational activities such as swimming, boating, and fishing. Many dams are built for more than one purpose; for example, water in a singlereservoircan be used ...
They are used to increase the amount of water available for generating hydroelectric power, to reduce peak discharge of floodwater created by large storms or heavy snowmelt, or to increase the depth of water in a river in order to improve navigation and allow barges and ships to travel more...