Because of their high reactivity, they must be stored under oil in sealed glass ampoules to prevent reaction with air.

Because of their relatively large mass, + 2 electric charge and relatively low velocity, alpha particles are very likely to interact with other atoms and lose their energy, so their forward motion is effectively stopped within a few centimeters of air.

Because of these accidents, the various aviation authorities around the world have created set rules and guidance for those running and participating in air displays.

Because Berlin was located within the Soviet-occupied zone of Germany and the other occupying powers had previously relied on Soviet good will for access to Berlin, the only available methods of supplying the city were three limited air corridors.

Because acids were thought at the time to necessarily contain oxygen, a number of chemists, including Claude Berthollet, suggested that Scheele's dephlogisticated muriatic acid air must be a combination of oxygen and the yet undiscovered element, and Scheele named the supposed new element within this oxide as muriaticum.

Because of the absence of scheduled sea transport between the islands, nearly all interisland passenger traffic is by air.

Because of the air of mystery with which William Aspdin surrounded his product, others ( e. g., Vicat and I. C.

Because the Earth completes only one rotation per day, the Coriolis force is quite small, and its effects generally become noticeable only for motions occurring over large distances and long periods of time, such as large-scale movement of air in the atmosphere or water in the ocean.

Because diesels do not have fuel in the cylinder before combustion is initiated, more than one bar ( 100 kPa ) of air can be loaded in the cylinder without preignition.

Because of the importance of air superiority, since the dawn of aerial combat armed forces have constantly competed to develop technologically superior fighters and to deploy these fighters in greater numbers, and fielding a viable fighter fleet consumes a substantial proportion of the defense budgets of modern armed forces.

Because corned black powder grains made with saltpeter are less affected by moisture in the air, they can be stored unsealed without degradation by humidity.

Because of poorly defined lines of responsibility, administrative conflicts often occur between local and national authorities of Goskompriroda and between Goskompriroda and a second national agency, the Hydrometeorological Administration ( Gidromet ), which is the main monitoring agency for air, water, and soil quality.

Because of its low flame temperature when burnt in free air, the risk is lower should the performer come in contact with the flame.

Because air has viscosity, this layer of air tends to adhere to the wing.

Because Little Boy was an air burst above the ground, there was no bomb crater and no local radioactive fallout.

Because they become very hot, practically all machine guns fire from an open bolt, to permit air cooling from the breech between bursts.

Because dead air does not attract listeners, the station tries to fill its broadcast day with sound.

Because of suggestions ( later proven false ) of Plaisted's use of air transport, some sources classify Herbert's expedition as the first confirmed to reach the North Pole over the ice surface by any means.

Because potassium reacts with water vapor present in the air, it is usually stored under anhydrous mineral oil or kerosene.

Because the knees come up to the chest when the lungs are empty, this technique allows the rower to reach a little bit further than if the lungs were full of air.

Because the spacecraft environment is by definition limited, a very small number of sets can be heavily used, lowering production costs and allowing producers to focus on character development, setting detail, or sometimes simply to keep a production in the black so it can stay on the air.

Because the presence of moisture causes the glue to set, exposure to moisture in the air can cause a tube or bottle of glue to become unusable over time.

Because, when we get to the part about a particular decision that causes the tree to appear out of thin air, we draw a blank.

Because sound travels faster in heliox than in air, voice formants are raised, making divers ' speech very high-pitched and hard to understand to people not used to it.

Because of the means of publication -- science-fiction magazines and cheap paperbacks -- and because dystopian science fiction is still appearing in quantity the full range and extent of this phenomenon can hardly be known, though one fact is evident: the science-fiction imagination has been immensely fertile in its extrapolations.

Because of the difference between daytime and nighttime propagation conditions, it has been necessary to evolve different allocation structures for daytime and nighttime broadcasting in the AM band, with many more stations operating during the day than at night.

Because of its traditional lines, it probably has more kid appeal than any other model.

Because of his extensive work on ASCII, Bemer has been called " the father of ASCII.

Because CCD imagers are linear, image processing may be used to subtract away the effects of light pollution, which has increased the popularity of astrophotography in urban areas.

Because of these natural conditions, the Black Sea coast historically has been isolated from Anatolia.

Because of weak bonding between the layers, gray arsenic is brittle and has a relatively low Mohs hardness of 3. 5.

Because the urn itself is so delicate, it has been allowed to travel to Australia only twice.

Because an alpha particle is the same as a helium-4 nucleus, which has mass number 4 and atomic number 2, this can also be written as:

Because of the mountain slopes, terracing has been a common practice.

Because of the high polish possible with agate it has been used for centuries for leather burnishing tools.

Because of its classical Greco-Roman style, the ruins of Mission San Juan Capistrano's Great Stone Church in California, United States has been called the " American Acropolis ".

Because Augustine cites part of the commentary on Romans as by " Sanctus Hilarius " it has been ascribed by various critics at different times to almost every known Hilary.

Because ending the game is optional, and a player may not realize that he can end it, it is unethical to say " good game ", or in any other way indicate that the game could be ended, until after a player actually has ended the game.

Because the technique has allegedly been used to improve breathing and stamina in general, advocates also claim that athletes, people with asthma, tuberculosis, and panic attacks have also found improvements.

Because of this, it has an important use in determining organic mercury compounds in samples and their distribution in the environment.

Because of the symmetry, an unsubstituted allene has no net dipole moment.

Because the English language has 40 sounds and only 26 letters, children and beginning readers also need to learn the different sounds ( phonemes ) associated with each letter.

Because angular momentum is constant in the absence of external torques, the angular velocity ( rotational speed ) of the skater has to increase.

Because these methods are diverse and use data from such different sources, the problem of integrating them into a coherent argument has been a long-term issue for archaeoastronomers.

Using Zorn's lemma, it can be shown that every field has an algebraic closure, and that the algebraic closure of a field K is unique up to an isomorphism that fixes every member of K. Because of this essential uniqueness, we often speak of the algebraic closure of K, rather than an algebraic closure of K.

Because of the radical departure from traditional behavior and theatrical convention involved in Nora's leaving home, her act of slamming the door as she leaves has come to represent the play itself.

Because of the need for literate and skilled young men to handle modern weapons, the army has served as a training ground for a large reserve force.

Because of traditionally close links with the U. S. Virgin Islands, the British Virgin Islands has used the US dollar as its currency since 1959.

Because of a wine glut ( wine lake ) in the generic production, the price squeeze induced by an increasingly strong international competition, and vine pull schemes, the number of growers has recently dropped from 14, 000 and the area under vine has also decreased significantly.