Many principles that imply the axiom of choice in their general form ( such as " Every vector space has a basis ") become provable in weak subsystems of second-order arithmetic when they are restricted.

Many ADCs use a second-order 5-level sinc3 sigma-delta structure.

Search-engine filters: Many search engines, such as Google and Alta Vista offer users the option of turning on a safety filter.

Many libraries adopted Internet filters after Congress conditioned the receipt of universal service discounts on the use of Internet filters through the Children's Internet Protection Act ( CIPA ).

Many content filters have an option which allows authorized people to bypass the content filter.

Many scare stories have originated from various Russian gas masks and their filters that are now common in surplus stores ; the GP-5 was often considered to have an asbestos filter, however like most cold-war masks it only contains activated charcoal.

Many digital filters are based on the Fast Fourier transform, a mathematical algorithm that quickly extracts the frequency spectrum of a signal, allowing the spectrum to be manipulated ( such as to create band-pass filters ) before converting the modified spectrum back into a time-series signal.

Many fundamental DSP algorithms, such as FIR filters or the Fast Fourier transform ( FFT ) depend heavily on multiply – accumulate performance.

Many machines use " spin disc filters ", which remove the muck from the filter by centripetal force while it is back washed with solvent.

Many graphical software products ( e. g. Adobe Photoshop or GIMP ) offer simple motion blur filters.

Many household water filters and fish tanks use activated carbon filters to further purify the water.

Many current browsers do contain features similar to those provided by Proxomitron filters – blocking advertisements and pop-ups, for example.

Many RVs have built-in water filters.

Many types of filters exist for applications including graphic equalizers, synthesizers, sound effects, CD players and virtual reality systems.

Many power strips have built-in surge protectors or EMI / RFI filters: these are sometimes described as surge suppressors or electrical line conditioners.

Many filters absorb part of the light available, necessitating longer exposure.

Many other manufacturers make filters to fit Cokin holders.

Many filters use gravity, or gravity enhanced by vacuum ( suction ) in order to create this separation, often through a funnel-shaped device.

Many wear visors, goggles or have light filters implanted into their eyes, a sensitivity to light being a common Delaque weakness.

Many earlier multi-shot backs could natively capture only grayscale images ; color images were created by scanning three times through red, green, and blue filters which rotated into place.

Many municipal systems in the U. S. initially used slow sand filters, but as cities have grown they subsequently installed rapid sand filters, due to increased demand for drinking water.

Many games, such as World of Warcraft, and more recently, Habbo Hotel and RuneScape allow the user to turn the filters off.

Many of them, moreover, are beginning to complain about the scarcity of Western amusements and to ridicule the old life of the bazaar merchant, the mullah, and the peasant.

Many selections are themselves convincing contributions to this appraisal.

Many of our very best friends are reformers.

Many home-bound subway riders utilizing the Flushing-Main Street express are daily confronted with the sight of the local departing from the Woodside station as their express comes to a stop, leaving them stranded and strained.

Many belly dancers are married, but Serene is one of the few who will admit it.

Many of these experiences are so important that they will be cherished forever by me.

Many hours are given free by the Jaycees to make this and all local pageants outstanding events.

Many adults showing at Westminster today are products of this Class.

Many cells, bacteria, and other microorganisms are transparent to visible light and must be stained for microscopic investigation.

Many of the cells and microorganisms which are transparent to visible light, absorb or reflect the much shorter wavelengths of the ultraviolet spectrum.

Many industry trade associations are developing campaigns to protect or enhance the share of the consumer's dollar being spent on their particular products.

Many food and beverage companies are already on a highly planned basis.

Many other ( probably nearly all ) snakes at maturity are already more than half their final length.

Many of the new appointees are art collectors.

Many years later ( on August 3, 1915 ), Lucy Upton wrote Winslow's daughter soon to be graduated from Smith College: `` While I love botany which, after dabbling in for years, I studied according to the methods of that day exactly forty years ago in a summer school, it must be fascinating to take up zoology in the way you are doing.

Many of the features of the homes are the latest modern devices in American homes, but an interesting blend of cultures finds us using Japanese artfulness in our own Western architecture at the same time that the Japanese are adopting Western utility patterns.

Many legislators are already weary and frustrated over the so-far losing battle to block token integration.

Many of the toll-road bonds still are selling at prices that offer the prospect of an annual yield of 4 per cent, or very close to that.

Many others are attracting the traffic needed to push revenues up to the break-even point.

Many of the coal seams in the nationalized British mines are twisting, narrow and very deep.

Many English Catholics are proud of their Catholicism and know that they are in a new ascendancy.

Many of you are familiar, I'm sure, with the story of my early struggles: the fire in January, 1947, that destroyed everything -- even our precious list of subscribers.

Many caecilians and some other amphibians lay their eggs on land, and the newly hatched larvae wriggle or are transported to water bodies.