When refined, uranium is a silvery white, weakly radioactive metal, which is harder than most elements.

When finely divided, it can react with cold water ; in air, uranium metal becomes coated with a dark layer of uranium oxide.

When a free neutron hits the nucleus of a fissile atom like uranium-235 ( < sup > 235 </ sup > U ), the uranium splits into two smaller atoms called fission fragments, plus more neutrons.

When Becquerel discovered that, with no external source of energy, the uranium generated rays which could blacken the photographic plate, radioactivity was discovered.

When the needle jumped near some barrels, they were inspected and found to be the 31 tons of uranium from Belgium.

When dr. Abdul Qadeer Khan was made the scientific director of one-side uranium project, Bhutto had reportedly pounded his fist on his table and declared: " I will see the Hindu ( bastards ) now .!

When the arm of the crane moved away from the vessel, the uranium caught fire and the rod broke.

When this type of bomb explodes, the fission of the highly enriched uranium or plutonium core creates neutrons, some of which escape and strike atoms of lithium-6, creating tritium.

When more electrons are added to a single atom, the additional electrons tend to more evenly fill in a volume of space around the nucleus so that the resulting collection ( sometimes termed the atom ’ s “ electron cloud ” ) tends toward a generally spherical zone of probability describing where the atom ’ s electrons will be found.

When a nucleus is added to an egg during somatic cell nuclear transfer, the egg starts dividing in minutes, as compared to the days or months it takes for reprogramming during embryonic development.

When Congress reconvened on December 5, 1853, this group, termed the “ F Street Mess ”, along with Virginian William O. Goode, formed the nucleus that would insist on slaveholder equality in Nebraska.

When Libya gained its independence in 1951, veterans of the original Sanusi Army formed the nucleus of the Royal Libyan Army.

: When a material is put in a magnetic field, the electrons circling the nucleus will experience, in addition to their Coulomb attraction to the nucleus, a Lorentz force from the magnetic field.

When a large fissile atomic nucleus such as uranium-235 or plutonium-239 absorbs a neutron, it may undergo nuclear fission.

When a ( positive ) alpha particle approached sufficiently close to the nucleus, it was repelled strongly enough to rebound at high angles.

When injected into plants, these proteins can enter the nucleus of the plant cell, bind plant promoter sequences, and activate transcription of plant genes that aid in bacterial infection.

When adding nucleons ( protons or neutrons ) to a nucleus, there are certain points where the binding energy of the next nucleon is significantly less than the last one.

When an antiproton gets close to a xenon nucleus, an electron-positron pair can be produced, and with some probability the positron will be captured by the antiproton to form antihydrogen.

When the convention rejected a pro-proviso plank and selected Lewis Cass as the nominee, the Barnburners again bolted and were the nucleus of forming the Free Soil Party.

When bright light is shone on the eye light sensitive cells in the retina, including rod and cone photoreceptors and melanopsin ganglion cells, will send signals to the oculomotor nerve, specifically the parasympathetic part coming from the Edinger-Westphal nucleus, which terminates on the circular iris sphincter muscle.

When Sturgeon moved to Manchester in 1840, Joule and he became the nucleus of a circle of the city's intellectuals.

When a neutron is captured by a suitable nucleus, fission may occur immediately, or the nucleus may persist in an unstable state for a short time.

When the resulting nucleus is lighter than that of iron, energy is normally released ; when the nucleus is heavier than that of iron, energy is generally absorbed.

When nucleons bind together to form a nucleus, they must lose a small amount of mass, i. e., there is mass change, in order to stay bound.

When Charles endeavoured to raise a guard for his own person at York, intending it, as the event afterwards proved, to form the nucleus of an army, Lord Fairfax was required by Parliament to present a petition to his sovereign, entreating Charles to hearken to the voice of his Parliament, and to discontinue the raising of troops.

When a material is magnetized ( for example, by placing it in an external magnetic field ), the electrons remain bound to their respective atoms, but behave as if they were orbiting the nucleus in a particular direction, creating a microscopic current.

When, in 1909, he had been joined by a small nucleus of persons who shared this ideal, The United Lodge of Theosophists was formed to carry out the purposes in view.

When the meal was ready, he told Jones to wash up, and going into the front room, woke the girl.

When Fred Powell's brother-in-law, Charlie Keane, moved into the dead man's home, the anonymous letter writer took no chances on Charlie taking up where Fred had left off and wasted no time on a first notice:

When his head came down, Curt grabbed him by the hair and catapulted him head first into the wall.

When it was followed by a second, whining even closer, Cobb swerved sharply aside into a depression.

When I question them as to what they mean by concepts like liberty and democracy, I find that they fall into two categories: the simpler ones who have simply accepted the shibboleths of their faith without analysis ; ;

When Beckett's name came into the discussion, the priest grew loud and told me that Beckett `` hates life ''.

When words can be used in a more fresh and primitive way so that they strike with the force of sights and sounds, when tones of sound and colors of paint and the carven shape all strike the sensibilities with an undeniable force of data in and of themselves, compelling the observer into an attitude of attention, all this imitates the way experience itself in its deepest character strikes upon the door of consciousness and clamors for entrance.

When Dr. Adenauer was approached by a world citizen delegation to find out his disposition of my case, he gave them his personal approval of my entry, saying that all men advocating peace should be welcomed into Germany.

When their levies came shambling into camp, they were all elbows, hair, and beard.

When Fred wheeled him back into his room, the big one looking out on the back porch, and put him to bed, Papa told him he was very tired but that he had enjoyed greatly the trip downtown.

When a dancer does well, she provokes a quiet bombardment of dollar bills -- although the Manhattan clubs prohibit the more cosmopolitan practice of slipping the tips into the dancers' costumes.

When the knife went into his chest, he went down at once.

When the sun came out, Stevie strode proudly into Orange Square, smiling like a landlord on industrious tenants.

When Joe identified himself, he nodded, unsmiling, and ushered him into a sedate living room.

When enough time had elapsed so that there was little likelihood of his returning for something he had forgotten, Harold went out into the hall and stood looking into one room after another.

When we separated that evening Pat pushed a hundred dollar bill into Eileen's hand to help towards a layette.

When he had given the call a few moments thought, he went into the kitchen to ask Mrs. Yamata to prepare tea and sushi for the visitors, using the formal English china and the silver tea service which had been donated to the mission, then he went outside to inspect the grounds.

When the roof blocks are all in place, the final rows of wall blocks are mortared into position.

When the front knee is straight and locked, allow it to bend again until you feel the bar come lightly into contact with the sides of the Power Stands.

When you and your dog step into the Junior ring, it should be just what the dog wants to do as much as what you want him to do.

When you start the outdoor performance, you can stay outdoors without a dozen running trips into the kitchen.

When Stravinsky shaped his purpose to the shifting scenes of many cultures, many salons, many dialectics, many personalities, he tried to refashion himself into a stylist of many styles, determined by many disparate cultures.

When the child raises his seat into the air, the teacher takes hold under both sides of the pelvis ; ;

When I arrived at Viola's I was shown, to my surprise, into the kitchen.