While hydrogen nuclei cannot fuse to form helium until the temperature reaches about 10 million K, lithium and beryllium are destroyed at temperatures of 2. 5 million K and 3. 5 million K respectively.

While there is no known method to convert matter ( by itself ) completely into energy, an equivalent energy release could theoretically be achieved by fusing approximately 280 kg of hydrogen into helium per second, a rate roughly equivalent to 8. 9 × 10 < sup > 9 </ sup > kg / year.

While the triple-alpha process only requires helium, once some carbon is present, other reactions that consume helium are possible:

While the term BLEVE is most often used to describe the results of a container of flammable liquid rupturing due to fire, a BLEVE can occur even with a non-flammable substance such as water, liquid nitrogen liquid helium or other refrigerants or cryogens, and therefore is not usually considered a type of chemical explosion.

While it is also produced by nuclear fusion in stars, most helium-4 in the Sun and in the universe is thought to have been produced by the Big Bang, and is referred to as " primordial helium ".

While this technique is fairly simple to operate, it is inefficient for large helium baths because about 50 % of the liquid helium must evaporate to attain to the lowest temperatures.

While five minutes ago the place had presented a scene of easy revelry, with Gyp Carmer a prominent figure, it was now as somnolent and dull as the day before payday.

While his comrades cocked the trap, that one behaved as if it was some dull maneuver.

While she was struggling to get her skirt down and get on her feet again, Jack ran over, offered her his hand and said, `` Gosh, I'm sorry, Miss Langford.

While he was handling the multi-million-dollar funding operations of the Government he had to resort to borrowing small sums from friends.

While convalescing in his Virginia home he wrote a book recording his prison experiences and escape, entitled: They Shall Not Have Me Published originally in ( Helion's ) English by Dutton & Co. of New York, in 1943, the book was received by the press as a work of astonishing literary power and one of the most realistic accounts of World War 2, from the French side.

While this was under consideration, dauntless as ever Wright set about the building of Taliesin 3.

While the picture was taken, Mr. Miller's disposition to be generous to Mr. Sandburg increased to the point where he advised, ' I won't even charge you the one dollar rental fee ' ''.

While I was sitting at one of the rewrite telephones with my derby and my great beard, Arthur Brisbane whizzed in with some editorial copy in his hand.

While the final combat of the campaign was being worked out at Jonesborough, Thomas, on Sherman's instructions, ordered Slocum, now commanding the Twentieth Corps, to make an effort to occupy Atlanta if he could do so without exposing his bridgehead to a counterattack.

While driving the cow back home the woman was assaulted by a servant maid of Gorton.

While he was at it, the philosopher of the Kremlin contributed an additional assist to the rule of reason by bellowing at those in the west who can't appreciate coexistence thru suicide.

While this was being discussed, we saw the militia to the west of us fanning out and breaking into little clusters of two and three men as they approached the road.

While she was thus engaged, McFeeley questioned her about her whereabouts the previous day, any recollections she had of people hanging around, of overcurious delivery boys or repairmen, of strange cars cruising the neighborhood.

While she was settling the teacart, he went back across the hall to their bedroom, opened one of the suitcases, and took out powdered coffee and sugar.

While the regulations formerly required that the hearing officer's report be placed in the registrant's file, this requirement was eliminated in 1952.

While there are now allegations of the withholding of `` favorable evidence developed at the hearing '' and a denial of a `` full and fair hearing '', no such claim was made by petitioner at any stage of the administrative process.

While Mr. Blatz was putting up the pegboards and starting the workbench, Mr. Crombie told him of this idea about paneling the whole end of the cellar.

`` While Henry Morgan was escorting Miss Vera Green from the church social last Saturday night, a savage dog attacked them and bit Mr. Morgan on the public square ''.

While the interpretations that have been given are inferences only, they gain support from such comments as the following, which was made by one of the Kohnstamm-negative subjects who did not, on the first trial, perceive the tilt illusion.

While the Cold War raged it was easy to blame it all on Yalta.

While the method of interviewing a small number of companies was appealing because of the opportunity it might have furnished to probe fully the reasons and circumstances of a company's practices and opinions, it also involved the risk of paying undue attention to the unique and peculiar problems of just a few individual companies.

While he was in custody his wife divorced him.

While accounts of the progress of the tsunami came in from various points in the Pacific ( Midway reported it was covered with nine feet of water ), the Hawaiian station made its calculations and notified the military services and the police that the first big wave would arrive at Honolulu at 23:30 Greenwich time.

While nowadays we recognize the fact that there are many causes for bleeding at the nose, not long ago a nosebleed was simply that, and treatment had little variation.

While women had always attended ball games in small numbers ( it was the part of a `` dead game sport '' in the early years of the twentieth century to be taken out to the ball park and to root, root, root for the home team ), they had often sat in patient martyrdom, unable even to read the scoreboard, which sometimes seemed to indicate that one team led another by a score of three hundred and eighty to one hundred and fifty-one.

While calling the social structure as a racial caste or caste-like system, these scholars noted that African Americans were segregated, shunned through refused entry into restaurants and hotels, isolated, excluded, and fixed in a hereditary system with the anti-miscegenation laws declaring interracial sex or marriage a criminal offense.

While some genetically modified plants are developed by the introduction of a gene originating from distant, sexually incompatible species into the host genome, cisgenic plants contain genes that have been isolated either directly from the host species or from sexually compatible species.

While thousands of isolated bones have been collected from 19th century Funk Island to Neolithic middens, only a small number of complete skeletons exist.

While comparatively few studies of this type have been performed, results from these suggest that some of the most readily isolated and studied genera may not in fact be significant in the in-situ community.

While the transport can be easier investigated with patch clamp techniques, vesicles can also be isolated from objects for that the patch clamp is not applicable.

While this value of is calculated for an isolated atom, a simple modification can be made to account for matrix effects:

While some believed that a special term for literature written for women by women about women's experiences were necessary, others were concerned that feminist literature served to place the female writers and readers outside the community, in an isolated cycle.

While the latter ruling was famously defied by Jackson, the actions of the Jackson administration were not isolated because state and federal officials had violated treaties without consequence, often attributed to military exigency, as the members of individual Native American nations were not automatically United States citizens and were rarely given standing in any U. S. court.

While obtaining a patent on a naturally occurring organism as previously known or used is not possible, patents may be taken out on specific chemicals isolated or developed from plants.

" While dissent from ruling class ideas is labeled ' extremism ' and is isolated, individual dissenters may be welcomed and transformed.

While the nation had pushed to the western coast, the land the Fickert family settled in 1869 was still isolated and remote ... a rich, virtually hidden valley.

While some isolated studies have indicated that technical trading rules might lead to consistent returns in the period prior to 1987, most academic work has focused on the nature of the anomalous position of the foreign exchange market.

While the development enjoyed an almost isolated location for many years, real estate development during the 1990s greatly increased the population.

While he has written that he appreciated " the immense beauty and wisdom of the Christianity to which was being exposed ", he also felt religiously isolated, as the child of passionate Zionists who attended Hebrew school three times a week, while at the same time being heavily exposed to Christian-oriented cultural activities in school.

While a simple material counting evaluation is not sufficient for decent play in chess, it is often the backbone of a chess evaluation function, when combined with more subtle considerations like isolated / doubled pawns, rooks on open files ( columns ), pawns in the center of the board and so on.

United States: While isolated American gymnasts, including Kurt Thomas and Cathy Rigby, won medals in World Championship meets in the 1970s, the United States team was largely considered a " second power " until the mid to late 1980s, when American gymnasts began medaling consistently in major, fully attended competitions.

While synchronous generators capable of isolated plant operation are often used, small hydro plants connected to an electrical grid system can use economical induction generators to further reduce installation cost and simplify control and operation.

While typically isolated in genital cultures, it may also be detected in other samples from blood, urine, and pharynx.

While The Song of Roland was among the first French epics to be translated into German ( by Konrad der Pfaffe as the Rolandslied, c. 1170 ), and the German poet Wolfram von Eschenbach based his ( incomplete ) 13th century epic Willehalm ( consisting of seventy-eight manuscripts ) on the Aliscans, a work in the cycle of William of Orange ( Eschenbach's work had a great success in Germany ), these remained isolated examples.

While isolated examples of this structure exist previously, Stamitz was the first composer to use it consistently: well over half of his symphonies and nine of his ten orchestral trios are in four movements.

While most aneurysms occur in an isolated form, the occurrence of berry aneurysms of the anterior communicating artery of the circle of Willis is associated with autosomal dominant polycystic kidney disease ( ADPKD ).

While it crosses various villages for provisions much of it is surprisingly isolated and quiet considering the density of the population in south-east England.

While the second law of thermodynamics predicts that the entropy of an isolated system should tend to increase until it reaches equilibrium, it became apparent after the discovery of statistical mechanics that the second law is only a statistical one, suggesting that there should always be some nonzero probability that the entropy of an isolated system might spontaneously decrease ; the fluctuation theorem precisely quantifies this probability.