barrier method
21Pneumatic barrier — A pneumatic barrier is a method of containing oil spills. Air bubbling through a perforated pipe causes an upward water flow that slows the spread of oil. It can also be used to stop fish from entering polluted water. A pneumatic barrier is an… …
22Noise barrier — The sound tube in Melbourne, Australia, designed to reduce roadway noise without detracting from the area s aesthetics. A noise barrier (also called a soundwall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed… …
23Penalty method — Penalty methods are a certain class of algorithms to solve constraint optimization problems. The penalty method replaces a constraint optimization problem by a series of unconstrained problems whose solutions must converge to the solution of the… …
24Great Barrier Reef Marine Park — Infobox protected area of Australia | name = Great Barrier Reef Marine Park iucn category = VI caption = locator x = 235 locator y = 55 nearest town or city = coordinates = coord|18|34|4|S|148|33|19|E|type:landmark region:AU area = 345,400 km²… …
25Blood-brain barrier — The blood brain barrier (BBB) is a metabolic or cellular structure in the central nervous system (CNS) that restricts the passage of various chemical substances and microscopic objects (e.g. bacteria) between the bloodstream and the neural tissue …
26Cargo barrier — A cargo barrier is a vehicle accessory installed into motor vehicles to aid occupancy safety when carrying loads or domestic pets, (usually dogs) in the rear section of a vehicle. Other terms used for cargo barriers include: dog guard, mesh… …
27Newton's method — In numerical analysis, Newton s method (also known as the Newton–Raphson method), named after Isaac Newton and Joseph Raphson, is a method for finding successively better approximations to the roots (or zeroes) of a real valued function. The… …
28Vapor barrier — 6 mil Polyethylene plastic sheet as vapor barrier between insulation and gypsum board …
29Billings ovulation method — Background Birth control type Behavioral First use developed in 1950 s Failure rates (first year) Perfect use 0 2.9% Typical use 1 …
30Pinyin method — The pinyin method (zh stp|s=拼音输入法|t=拼音輸入法|p=pīnyīn shūrù fǎ) refers to a family of input methods based on the pinyin method of romanization.In the most basic form, the pinyin method allows a user to input Chinese characters by entering the pinyin …
