When used in the extemporaneous preparation of topical medications, it is supplied in the form of Coal Tar Topical Solution USP, which consists of a 20 % w / v solution of coal tar in alcohol, with an additional 5 % w / v of polysorbate 80 ; this must then be diluted in an ointment base such as petrolatum.

When the infant BBC Television service was started in 1936, Rediffusion, which had supplied cable radio services since 1928, started providing " Pipe TV " to its customers who had difficulties tuning into the weak TV broadcast signal.

When a system, for example, n moles of a gas of volume V at pressure p and temperature T, is created or brought to its present state from absolute zero, energy must be supplied equal to its internal energy U plus pV, where pV is the work done in pushing against the ambient ( atmospheric ) pressure.

When the Athenians formed the Delian League Chios joined as one of the few members who did not have to pay tribute but instead supplied ships to the alliance.

When a TE is used as a genetic tool, the transposase is supplied by the investigator, often from an expression cassette within a plasmid.

When the power factor is 1, all the energy supplied by the source is consumed by the load.

When a barometer is supplied with a nonlinear calibration so as to indicate altitude, the instrument is called a pressure altimeter or barometric altimeter.

When actual measurements of an antenna's gain are made by a laboratory, the field strength of the test antenna is measured when supplied with, say, 1 watt of transmitter power, at a certain distance.

When an FTP — rather than an HTTP — URL is supplied, the accessible contents on the remote server are presented in a manner that is similar to that used for other Web content.

When domestic workers are supplied a uniform by their employers, an apron is often included.

When the coat was destroyed by a bomb from the Immortal in Italy, Spike heartbrokenly declared it to be irreplaceable ; but the Italian branch of Wolfram & Hart quickly supplied him with a whole wardrobe of new ones, nearly identical, which he happily began wearing.

When the Lehigh Valley cement industry exploded in the early 1900s, Fuller's company prospered by providing machinery to the mills in the region, and the town supplied the workforce for both his factories, and the numerous mills and quarries operating in the immediate area.

When it became clear that Henri of Navarre would not rennounce his Protestantism the Duke of Guise signed the Treaty of Joinville ( December 31, 1584 ), on behalf of the League, with Philip II of Spain, who supplied a considerable annual grant to the League over the following decade to maintain the civil war in France, with the hope of destroying the French Calvinists.

When a replacement was considered in the 1950s, the Commissioners of the Burnt Fen were faced with the problem that the White House Drain which supplied it had become bigger and more unstable as the ground surface had shrunk, and the engine sat at the top of a hill, rather than at the lowest point on the northern Fen.

When the AmigaOne boards first became available, AmigaOS 4 was not ready: they were supplied with various Linux distributions.

When the threshold is reached, the contributions are retired from the escrow fund and a contract is formed so that the collective good is supplied.

When a thrombus occupies more than 75 % of cross-sectional area of the lumen of an artery, blood flow to the tissue supplied is reduced enough to cause symptoms because of decreased oxygen ( hypoxia ) and accumulation of metabolic products like lactic acid.

When Quark discovered he was not dying and backed out of the contract, Brunt revoked Quark's business license with glee, but Quark's friends supplied him with all the equipment necessary to continue operating his bar anyway.

When the law went into effect on January 1, 1990, WGN-TV launched a separate national feed with alternate programming supplied that no television stations claimed exclusive rights to in any market ( along with sporting events, newscasts and several shows airing on WGN-TV that were also not subject to exclusivity claims ); it was a similar situation at WWOR-TV and the national " WWOR-EMI Service " feed.

When the missile was launched, the guidance radar tracked the missile and supplied precise velocity range and azimuth data to the missile's guidance system.

When a time period is supplied for a story, it might be a counterfactual present with unique technology ; a fantastic version of the future ; or an alternate past in which the imagined ( fictitious or projected ) inventions of the past were indeed real.

When this style of breast pump was originally developed, the pump ’ s suction was supplied through the collection system tubing.

When the insurrectionary government took over in the Palatinate, they did not find the same abundantly supplied arsenals, a full organized state machinery or a full exchequer that were to be found in Baden.

When, a bit more than a year into their marriage, Bertha is eight months pregnant and has a premonition that there might be complications during birth, he assures her that " it's nothing to make a fuss about ", his insight stemming from his own experience: " He had bred animals for years, and was quite used to the process that supplied him with veal, mutton and beef for the local butchers.

When building an adobe structure, the ground should be compressed because the weight of adobe bricks is significantly greater than a frame house, and may cause cracking in the wall.

When compressed, the crystal produces a small electrical current, so when placed under the bridge saddle, the vibrations of the strings through the saddle, and of the body of the instrument, are converted to a weak electrical signal.

When compressed at room temperature to 7 GPa, α-berkelium transforms to the beta modification, which has a face-centered cubic ( fcc ) symmetry and space group Fmm.

When audio files are to be processed, either by further compression or for editing, it is desirable to work from an unchanged original ( uncompressed or losslessly compressed ).

When the uncompressed data rate is known, the compression ratio can be inferred from the compressed data rate.

When a user acquires a lossily compressed file, ( for example, to reduce download time ) the retrieved file can be quite different from the original at the bit level while being indistinguishable to the human ear or eye for most practical purposes.

When deciding to use lossy conversion without keeping the original, one should remember that format conversion may be needed in the future to achieve compatibility with software or devices ( format shifting ), or to avoid paying patent royalties for decoding or distribution of compressed files.

When an SVG image has been compressed with the industry standard gzip algorithm, it is referred to as an " SVGZ " image and uses the corresponding filename extension.

When the throttle is closed, compressed air will flow to the throttle valve without an exit ( i. e., the air has nowhere to go ).

When the working fluid is a gas that is compressed and expanded but doesn't change phase, the refrigeration cycle is called a gas cycle.

When air at ground level is heated, it begins to rise, moving up past steep high mountain ranges, which then cools slightly, sinking back down towards the valley more compressed.

When the median nerve is compressed, as in CTS, it will conduct more slowly than normal and more slowly than other nerves.

When the suspension in a car is fully compressed, it reaches the bump stops, small blocks of rubber that catch the suspension arms at the end of their range of movement.

When both springs are compressed on one side when travelling around a bend, or front and rear wheels hit bumps simultaneously, the equal and opposite forces applied to the front and rear spring assemblies reduce the interconnection significantly, or even completely.

When starting the engine, compressed air is admitted to whichever cylinder has a piston just over top dead center, forcing it downward.

When the fetus pushes on the cervix, the cord is compressed and blocks blood and oxygen flow to the fetus.

When the aquifer gets compressed it may cause land subsidence, a drop in the ground surface.

When an open-circuit scuba diver inhales, a quantity of highly compressed gas from his cylinder is reduced in pressure by a regulator, and enters the lungs at a much higher volume than it occupied in the cylinder.

When a parcel of gas is displaced from its rightmost position to its leftmost position, the parcel is adiabatic compressed and thus the temperature increases.

When a spring is compressed or stretched, the force it exerts is proportional to its change in length.

When it reaches the center of the fuel, a small volume is further heated and compressed to a great degree.

When compressed with Pack200 the bytes are changed to.

When spheres are randomly added to a container and then compressed, they will generally form what is known as an " irregular " or " jammed " packing configuration when they can be compressed no more.