Once the Euphrates enters Iraq, there are no more natural tributaries to the Euphrates, although canals connecting the Euphrates basin with the Tigris basin exist.

Once a coastal city near the mouth of the Euphrates on the Persian Gulf, Ur is now well inland, south of the Euphrates on its right bank, from Nasiriyah.

Once the term of a copyright has expired, the formerly copyrighted work enters the public domain and may be freely used or exploited by anyone.

Once insulin enters the human brain, it enhances learning and memory and benefits verbal memory in particular.

Once a vehicle leaves low earth orbit and the protection of Earth's magnetosphere, it enters the Van Allen radiation belt, a region of high radiation.

Once the lymph enters the fully valved lymphatic vessels, it is pumped by a rhythmic peristaltic-like action by smooth muscle cells within the lymphatic vessel walls.

Once the vaulter enters the competition, they can choose to pass heights.

Once the Poynting vector enters the conductor, it is bent to a direction that is almost perpendicular to the surface.

Once the chilling period is met, the plant enters the so-called quiescence period, the second type of dormancy.

Once a low energy particle enters the counter, it is possible that the kinetic energy in addition to the potential energy of the voltage are insufficient for the additional ionization to occur and thus the ion recombines.

Once the neutron star enters the red giant, drag between the neutron star and the outer, diffuse layers of the red giant causes the binary star system's orbit to decay, and the neutron star and core of the red giant spiral inward toward one another.

Once the nitrogen enters the estuaries via groundwater, it is thought that because there is more < sup > 15 </ sup > N entering, that there will also be more < sup > 15 </ sup > N in the inorganic nitrogen pool delivered and that it is picked up more by producers taking up N. Even though < sup > 14 </ sup > N is easier to take up, because there is much more < sup > 15 </ sup > N, there will still be higher amounts assimilated than normal.

Once the protostar enters into its main sequence phase, it is classified as a star.

Once in twelve years, when the planet Guru ( Jupiter ) enters Simha ( Leo ) sign, the Kumbh mela festival of South India is celebrated at Mahamaham tank.

Once a mobile has parsed all the network overhead information, it registers with the network, then optionally enters slotted-mode.

Once EBV enters the cell, the viral capsid dissolves and the viral genome is transported to the cell nucleus.

Once deposited, the bacterium enters the plant through open stomata and causes blackened, necrotic lesions, which may also produce a viscous exudate.

Once these rituals are completed, Taleju enters her and she is presented as the new Kumari.

Once the A2 enters Kent, the speed limit increases to the national speed limit ( 70 mph, 113 km / h ) and the road heads east towards Dartford, bypassing the town to the south and cutting through Dartford Heath.

Once the tube is past the pharynx and enters the esophagus, it is easily inserted down into the stomach.

Once the air bubble becomes smaller and more water enters the diver, the diver displaces a weight of water that is less than its own weight, so it becomes negatively buoyant and sinks in accordance with Archimedes ’ principle.

Once air enters the lungs, diffusion of O < sub > 2 </ sub > and CO < sub > 2 </ sub > occurs in the alveoli.

Once it enters Rochester, it has a concurrency with U. S. Route 52.

Once the court ( the judge ) receives the verdict, the judge enters judgment on the verdict.

Once a mark enters the circle of apparent players and faces the operator, the gang surrounds the player to discourage an easy exit and to keep other pedestrians from entering and disrupting the confidence trick gang's action on the main mark.

Once again Abd al-Rahman had to be concerned with developments in the Upper March.

Once the Stratford Canal was completed, there was fierce competition between the Upper and Lower Avon companies, with coal from the Worcester and Birmingham coming up-river to Evesham, and coal coming down-river from Stratford.

Once Henry secured his position within Germany an agreement was reached which left Boleslaw with Lusatia and Upper Lusatia while Boleslaw in turn recognized Henry as Holy Roman Emperor.

Once rebuilt, Friends of the 261 will be able to resume an excursion schedule across the Upper Midwest and to the eastern United States.

Once again Upper and Lower Town were in competition for a market venue.

Once in the Upper School, students may elect to partake in music, either in vocal or instrumental ensembles.

Once this islands were covered with savanna on the plains and arid shrubland on the mountainsides, but over 500 years of human habtitation, since colonisation by the Portuguese in the 15th century, nearly all the original vegetation has been cleared by widespread agriculture including the grazing of goats, sheep and cattle and the planting of imported crop species.

Once he was presented with a Don of high-altitude trees on the plains.

Once they reach the plain, the rivers slow down and the waters meander across flood plains and deltas.

Once all the Romans had at last marched through the foggy, narrow defile and entered the plains skirting the lake, trumpets were blown, signalling the general attack.

Once across the Tugela the British would attack the Boer defensive positions and then cross the open plains to relieve Ladysmith.

Once my plains were populated

Once more he lifted Jess's gun from its holster, only this time he tossed it into the stall with the frightened buckskin.

Once again life went its serene way -- soirees, fox hunts, balls and dinners.

Once the scene is set, Trevelyan skilfully builds up the tense story until it reaches its climax in the dramatic victory of Marlborough and Eugene of Savoy at Blenheim.

Once programmed, it is able to choreograph its motions and gestures with its voice.

Once on course towards the Moon, the crew put the spacecraft into a rotisserie " barbecue " mode in which the craft rotated along its long axis three times per hour to ensure even heat distribution about the spacecraft from the Sun.

Once the operator took his finger off, the player would speed up until its tachometer was back in phase with the master, and as this happened, the phasing effect would appear to slide up the frequency spectrum.

Once the adhesive and the adherend are in close proximity, molecular interactions, such as van der Waals forces, become involved in the bond, contributing significantly to its ultimate strength.

Once the account exceeded its quotas, it was automatically disabled, but the messages were still saved as they arrived.

Once it is built, the builder walks away, and it stands on its own accord.

Once the striker's ball goes through its target hoop, it is again entitled to roquet the other balls once.

Once interrupt servicing is complete, the context in effect before the interrupt occurred is restored so that the interrupted process can resume execution in its proper state.

It lends its name to the 1960 musical Camelot by Alan Jay Lerner and Frederick Loewe, which is based on T. H. White's literary version of the legend, The Once and Future King.

Once completed, both the engine and its printer worked flawlessly, and still do.

Once the system can be solved, given an initial point it is possible to determine all its future positions, a collection of points known as a trajectory or orbit.

Once the Euclidean plane has been described in this language, it is actually a simple matter to extend its concept to arbitrary dimensions.

Once set into motion it will oscillate at its natural frequency.

Once again, 90th Light failed to make progress so Rommel called the Afrika Korps to abandon its planned sweep southward and instead join the effort to break through to the coast road by attacking east toward Ruweisat Ridge.

Once more, the Eighth Army had failed to destroy Rommel ’ s forces, despite its overwhelming superiority in men and equipment.

Once in the arena morgue, the corpse would have been stripped of armour, and probably had its throat cut to prove that dead was dead.

Once it was complete, its launch was scheduled for STS-61-G on-board Atlantis in 1986.

Once set-printmaking ink ( usually water based ) is applied to its surface.

Once the Army of Humayun had made its charge and Sher Shah's troops made their agreed-upon retreat, the Mughal troops relaxed their defensive preparations and returned to their entrenchments without posting a proper guard.

Once the available energy has been removed, the remaining hot gases are vented ( often by opening a valve or exposing the exhaust outlet ) and this allows the piston to return to its previous position ( top dead center, or TDC ).