direct surface flow
41Diffuser (thermodynamics) — A diffuser is the mechanical device that is designed to control the characteristics of a fluid at the entrance to a thermodynamic open system. Diffusers are used to slow the fluid s velocity and to enhance its mixing into the surrounding fluid.… …
42Beijing city fortifications — The city wall of Beijing was a fortification built around 1435. It was 23.5 km long. The thickness at ground level was 20m and the top 12m. The wall was 15m high, and it had nine gates. This wall stood for nearly 530 years, but in 1965 it was… …
43Southeast Asia — Southeast Asian. the countries and land area of Brunei, Burma, Cambodia, Indonesia, Laos, Malaysia, the Philippines, Singapore, Thailand, and Vietnam. * * * Vast region of Asia lying east of the Indian subcontinent and south of China. It includes …
44Syringe — A typical medical syringe with needle A syringe is a simple pump consisting of a plunger that fits tightly in a tube. The plunger can be pulled and pushed along inside a cylindrical tube (the barrel), allowing the syringe to take in and expel a… …
45Tapwave Zodiac — Tapwave, founded in Mountain View, California in May 2001, introduced the Zodiac mobile entertainment console in October 2003 cite web |url=http://www.pcvsconsole.com/news.php?nid=2195|title=The Tapwave Zodiac Console Now… …
46Swale (geographical feature) — A swale is a low tract of land, especially when moist or marshy. The term can refer to a natural landscape feature or a human created one. When created by humans, this open drain system is designed to manage water runoff. ( See bioswale. )The… …
47Neues Museum — in 2009 Established 1855 Location Museum Island in Berlin Type …
48environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
49Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
50Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …
