However, the Vikings lacked both the equipment necessary to undertake a siege against the burh and a developed doctrine of siegecraft, having tailored their methods of fighting to rapid strikes and unimpeded retreats to well defended fortifications.

However, slow phosphor has the negative side-effect of causing image smearing and blurring when there is a large amount of rapid on-screen motion occurring.

However, rapid technological advances and worldwide participation accelerated the completion date to 2003 ( making it a 13 year project ).

However, given the rapid progress in the industry they are working on a more in depth study to be concluded in May 2012.

However, the classification as a metro or rapid rail can be difficult as both may typically cover a metropolitan area exclusively, run on separate tracks in the centre, and often feature purpose-built rolling stock.

However, their effectiveness in humans has not been established, and is limited by poor absorption into cells and rapid excretion.

However, the rapid growth of the world's population and its increased concentration often in hazardous environments has escalated both the frequency and severity of natural disasters.

However, the rapid capture of so many neutrons would provide needed direct experimental confirmation

However, German unification in 1870 stimulated consolidation, nationalisation into state-owned companies, and further rapid growth.

However, this treatment is not optimal in other forms such as reactive hypoglycemia, where rapid carbohydrate ingestion may lead to a further hypoglycemic episode.

However, these same features made Windows NT perfect for the LAN server market ( which in 1993 was experiencing a rapid boom, as office networking was becoming common ).

However, German unification in 1870 stimulated consolidation, nationalisation into state-owned companies, and further rapid growth.

However, the rapid post-war economic development of the East Asian Tigers, India, the People's Republic of China, along with the collapse of the Soviet Union, have loosened European and North American influence in Asia, generating speculation today about the possible re-emergence of India and China as superpowers.

However, the rapid changes saw millions of people sent to correctional labour camps, and deported and exiled to remote areas of the Soviet Union.

However, during the bebop era, the rapid tempo and complicated chord progressions made it increasingly harder to play " by ear.

However, the rush to complete this rapid expansion scheme resulted in the deaths of 997 personnel and another 700 wounded.

However, spies and others whose secrets must be guarded may have an induced allergy to fast-penta and rare few people are naturally allergic ; in both cases using the drug on allergic person results in rapid death from anaphylactic shock.

However, prompted by grain shortage in 1928, Stalin reversed himself and proposed a program of rapid industrialization and forced collectivization because he believed that the NEP was not working fast enough.

However, the rapid development ( 8 % of increase of passengers served at Polish airports in 2008 compared to 2007 ) of the unsaturated market and the existence of vast areas of land, not covered by airports within 100 kilometers of journey, allow to assume that many new airports could be necessary to properly serve this land pupulated by appox.

However, the punctuational equilibrium model may still be inferred from both the observation of stasis and examples of rapid and episodic speciation events documented in the fossil record.

However, with the rapid growth of technology jobs in the San Francisco Metropolitan area, the traditional boundaries of Silicon Valley have expanded North to include the rest of San Mateo County, San Francisco County as well as parts of Marin County.

However, the city boasts an excellent public transit system using a fleet of modern buses, and is beginning to plan for a rapid transit link to the western communities.

However, many wildebeest populations are experiencing rapid declines.

However, his successor, George Grey, promoted rapid cultural assimilation and reduction of the land ownership, influence and rights of the Māori.

However, although food imports fell significantly between 1932 and 1937, Germany's rapid rearmament policy after 1935 proved contradictory to the Nazi Party autarkic ambitions and imports of raw materials rose by 10 % over the same period.

However, its modern one-story layout is designed to increase our production capacity, permit more efficient manufacturing, and substantially reduce current repair and maintenance costs.

However, it is not known to either the union or the public precisely how much of a cost increase is caused by a given change in the basic wage rate, although the companies are presumed to have reliable estimates of this magnitude.

However, this tenfold increase in population over the course of a few generations could not be achieved by increased birthrate alone ; likely it also involved migrations of peoples from surrounding areas.

However, it was an advantageous position to hold because it demonstrated the aspiring politician's commitment to public service, as well as giving him the opportunity to hold public festivals and games, an excellent way to increase his name recognition and popularity.

However, with the use of cre-lox technology, a caspase 8 knock-out has been created that exhibits an increase in peripheral T cells, an impaired T cell response, and a defect in neural tube closure.

) However, when m decreases there is no upper bound on how much n can increase — and it will often increase greatly.

However, there have been moves recently to try to increase shareholder activism among both institutional investors and individuals with small shareholdings.

However, the workers do not benefit much from the ten-percent wage increase, because it is recycled back into the higher cost of living in a bigger city.

However, the instability in the ratio between the two grew over the course of the 19th century, with the increase both in supply of these metals, particularly silver, and of trade.

However, all this metaplasia does increase the risk of cancer in this area-the transformation zone is the most common area for cervical cancer to occur.

However, as the marine microbiota recovered, it is thought that increased speciation of benthic foraminifera resulted from the increase in food sources.

However, because of high windload in Hong Kong for such a super high-rise building, every increase in building height by a metre would increase the structural cost by more than HK $ 1 million ( HK $ 304, 800 per ft ).

However, a 2005 study claimed the drop may have been due to an increase in the incorrect classification of many bankruptcies as " consumer cases " rather than " business cases ".

However, according to the Geophysical Fluid Dynamics Laboratory, the models used to investigate remote responses to tropical deforestation showed a broad but mild temperature increase all through the tropical atmosphere.

However, in recent years there has been a massive increase in the number of " water-based " artificial turfs.

However, children aged between five and 10 saw their IQs increase by up to half a point a year over the three decades.

However there has been a strong increase in the children living in poverty in Germany.

However, it then began to increase again in the late 1980s, encouraged by strong economic performance and an increasingly positive image.

However, the Saxons continued to increase in numbers, and after Hengist died his son Ochta succeeded him.

However, slightly leaning the blade over and digging one of its edges into the ice (" rock over and bite ") gives skaters the ability to increase friction and control their movement at will.

However, this price increase is not necessarily contrary to Simon's cornucopian theory.

However, this only served to increase Judit's curiosity.

However, when exposed to moist air at room temperature, lanthanum oxide forms a hydrated oxide with a large volume increase.