When the engineer releases the brake, the locomotive brake valve portal to atmosphere is closed, allowing the train line to be recharged by the compressor of the locomotive.

When DisneyQuest was first opened it had a lower admission fee but each attraction and game required a player to swipe a card to pay " credits " for it, and the card could be " recharged " by putting it and some money into a recharging station, similar to Dave & Buster's gaming restaurants.

When the battery is recharged, the chemical reaction is reversed: the lead sulfate reforms into lead dioxide and lead.

When, in 1832, the South Carolina nullifiers adopted the principle of state interposition which Madison had advanced in his old Virginia Resolve, they elicited no encouragement from that senior statesman.

When he was in the war, he was in Law or Supplies or something like that, and an old buddy of his told me he would come down on Sundays to the Pentagon and read the citations for medals -- just like the one we sent in for Trig -- and go away with a real glow.

When she was nine years old, she wrote a description of a store she had visited.

When they had gone, he stood for a minute breathing in the mustiness of old paper and leather which the busily thrumming air conditioner couldn't quite dispel.

When they walked into the Ferraro apartment, the old lady, bowing and smiling, said softly.

Even his old literary home, Punch, where the When We Were Very Young verses had first appeared, was ultimately to reject him, as Christopher Milne details in his autobiography The Enchanted Places, although Methuen continued to publish whatever Milne wrote, including the long poem ' The Norman Church ' and an assembly of articles entitled Year In, Year Out ( which Milne likened to a benefit night for the author ).

When Abu Bakr was 10 years old, he went to Syria along with his father with the merchants ' caravan.

When Aalto was 5 years old, the family moved to Alajärvi, and from there to Jyväskylä in Central Finland.

When AA was ported to the English Electric KDF9 computer, the character set was changed to ISO and that compiler has been recovered from an old paper tape by the Edinburgh Computer History Project and is available online, as is a high-quality scan of the original Edinburgh version of the Atlas Autocode manual.

When he was about 18 years old, his parents died and left him with the care of his unmarried sister.

When Beavis eats all of Tom Anderson's candy, his Cornholio persona emerges and embarks on a rampage to acquire more from other trick-or-treaters, while Butt-Head is taken on a " ride " to the countryside in Todd's trunk, where he encounters a strangely pale old farmer.

When Beavis finally comes down from his sugar high, he is hanging on a meathook in the farmer's barn, where the old man and a similarly pale Butt-Head seemingly attack him with chainsaws as the episode fades to blood red.

When the serving side loses a rally, the serve immediately passes to their opponent ( s ) ( this differs from the old system where sometimes the serve passes to the doubles partner for what is known as a " second serve ").

When Bede was about 17 years old, Adomnan, the abbot of Iona Abbey, visited Monkwearmouth and Jarrow.

When he was 15 years old, he played in his first West Indian under-19 youth tournament and that same year, Lara represented West Indies in Under-19 cricket.

When the old president Kolingba tried to overthrow Patassé in May 2001, the Movement for the Liberation of Congo ( MLC ) came to his rescue.

When cultural movements go through revolutions from one to the next, genres tend to get attacked and mixed up, and often new genres are generated and old ones fade.

When Caliph al-Mu ' izz li Din Allah finally arrived from the old Fatimid capital of Mahdia in Tunisia in 973, he gave the city its present name, al-Qahira (" The Victorious ").

When Monet traveled to Paris to visit the Louvre, he witnessed painters copying from the old masters.

When she is six years old, Laura has a vision of a beautiful visitor in her bedchamber.

When Clampett was promoted to director in 1937, Jones was assigned to his unit ; the Clampett unit was briefly assigned to work with Jones ' old employer, Ub Iwerks, when Iwerks subcontracted four cartoons to Schlesinger in 1937.

When he reached Kamikos, King Cocalus, knowing Daedalus would be able to solve the riddle, privately fetched the old man to him.

When the Council of Trent listed the books included in the canon, it qualified the books as being " entire with all their parts, as they have been used to be read in the Catholic Church, and as they are contained in the old Latin vulgate edition ".

When David has become old and bedridden, Adonijah, his eldest surviving son and natural heir, declares himself king and worthy to marry Abishag.

When he was 12 years old he also discovered and enjoyed the Superman titles by DC Comics of the editor Mort Weisinger period, drawn mostly by his favorite Superman artists Curt Swan and Kurt Schaffenberger.

When typical reaction cells to which 0.3 of an atmosphere of oxygen had been added were illuminated, chlorine and phosgene were produced.

When an APAF-1 gene trap is introduced into cells, many morphological changes occur, such as spina bifida, the persistence of interdigital webs, and open brain.

When HeLA cells are infected with OROV, the cytochrome C is released from the membrane of the mitochondria, into the cytosol of the cells.

When observers or cells are not authorised they can still request fire.

Neurons generate electrical signals that travel along their axon s. When a pulse of electricity reaches a junction called a synapse, it causes a neurotransmitter chemical to be released, which binds to receptors on other cells and thereby alters their electrical activity.

When these cells become entrapped from osteoblasts they become osteocytes.

When this gene was inserted into tomato and tobacco cells ( see RNA interference ), the cells were able to withstand environmental stresses like salt, drought, cold and heat, far more than ordinary cells.

When working with weeks rather than months, a continuous format is sometimes more convenient, where no blank cells are inserted to ensure that the first day of a new month begins on a fresh row.

When brain tissue from a CJD patient is examined under a microscope, many tiny holes can be seen where whole areas of nerve cells have died.

When monosaccharides are not immediately needed by many cells they are often converted to more space-efficient forms, often polysaccharides.

When cells enter mitosis, the sister chromatids ( which represent the two copies of each chromosomal DNA molecule resulting from DNA replication earlier in the cell cycle and packaged by histones and other proteins into chromatin ) are linked all along their length by the action of the cohesin complex.

When the body is expending more energy than it is consuming ( e. g. when exercising ), the body's cells rely on internally stored energy sources, such as complex carbohydrates and fats, for energy.

When the rains return and soils become wet, the osmotic gradient between the bacterial cells and the soil water causes the cells to gain water quickly.

: When an amoeba divides, the two daughter cells stay attached by a tubular tether which remains intact unless mechanically severed.

* When scanning the fluorescent intensity across a plane one has fluorescence microscopy of tissues, cells, or subcellular structures, which is accomplished by labeling an antibody with a fluorophore and allowing the antibody to find its target antigen within the sample.

When red cells reach the end of their life due to aging or defects, they are broken down in spleen, the hemoglobin molecule is broken up and the iron gets recycled.

When insulin is deficient or cells become resistant to it, diabetes occurs.

When bone marrow develops, it eventually assumes the task of forming most of the blood cells for the entire organism.

When, via random mutation across the population, the photosensitive cells happened to have developed on a small depression, it endowed the organism with a better sense of the light's source.

When Iceman was injected with Sinister's neuro-inhibiter by Mystique, he was able to save himself by drawing in all of the ambient moisture around him, rapidly replacing his poisoned cells with healthy material before the injection could kill him.

When the dendritic cells are chronically exposed to morphine during their differentiation process then treated with LPS, the production of cytokines is different.