Ad
related to: esophoria prism correction treatment device cost
Search results
Results from the WOW.Com Content Network
The end of train device ( ETD ), sometimes referred to as an EOT, flashing rear-end device ( FRED) or sense and braking unit ( SBU) is an electronic device mounted on the end of freight trains in replacement of a caboose. They are divided into three categories: "dumb" units, which only provide a visible indication of the rear of the train with ...
Most compact binoculars feature magnifications of 7× to 10×, and objective diameter sizes of a relatively modest 20 mm to 25 mm, resulting in small exit pupil sizes limiting low light suitability. Roof prism designs tend to be narrower and more compact than equivalent Porro prism designs.
Slingshot. Slingshot is a water purification device created by inventor Dean Kamen. [1] Powered by a Stirling engine running on a combustible fuel source, it claims to be able to produce drinking water from almost any source [2] by means of vapor compression distillation, [3] requires no filters, and can operate using cow dung as fuel.
Glasses, surgery [3] Frequency. ~2% (children) [3] Strabismus is a vision disorder in which the eyes do not properly align with each other when looking at an object. [2] The eye that is pointed at an object can alternate. [3] The condition may be present occasionally or constantly. [3]
Rikers Island is a 413-acre (167.14-hectare) [1] [2] prison island in the East River in the Bronx [3] that contains New York City 's largest jail. [4] [5] Named after Abraham Rycken, who took possession of the island in 1664, the island was originally under 100 acres (40 ha) in size, but has since grown to more than 400 acres (160 ha).
t. e. Thermal treatment is any waste treatment technology that involves high temperatures in the processing of the waste feedstock. Commonly this involves the combustion of waste materials. Systems that are generally considered to be thermal treatment include: Cement kiln. Gasification.
Betavoltaic device. A betavoltaic device ( betavoltaic cell or betavoltaic battery) is a type of nuclear battery which generates electric current from beta particles ( electrons) emitted from a radioactive source, using semiconductor junctions. A common source used is the hydrogen isotope tritium. Unlike most nuclear power sources which use ...
Fixation disparity. Fixation disparity is a tendency of the eyes to drift in the direction of the heterophoria. While the heterophoria refers to a fusion-free vergence state, the fixation disparity refers to a small misalignment of the visual axes when both eyes are open in an observer with normal fusion and binocular vision. [1]
Ad
related to: esophoria prism correction treatment device cost