Since broadcast frequencies are very limited in number, these objectives are to some extent inconsistent in that not all of them can be fully realized, and to the extent that each is realized, there is a corresponding reduction of the possibilities for fullest achievement of the others.

Since then, there has been a notable increase in the number of stations and also the accumulation of additional data and the development of new techniques for using it, leading to a better understanding of propagation phenomena.

Since practical washing procedures are both lengthy and expensive, a number of laboratory tests have been developed for the numerical evaluation of detergents.

Since is the distance from a given number to the mean, one way to interpret this property is as saying that the numbers to the left of the mean are balanced by the numbers to the right of the mean.

The number of neutrons, N, is known as the neutron number of the atom ; thus, A = Z + N. Since protons and neutrons have approximately the same mass ( and the mass of the electrons is negligible for many purposes ), and the mass defect is usually very small compared to the mass, the atomic mass of an atom is roughly equal to A.

Since independence from Portugal in 1975, a number of Angolan students continued to be admitted every year at high schools, polytechnical institutes, and universities in Portugal, Brazil and Cuba through bilateral agreements ; in general, these students belong to the Angolan elites.

Since 4 % can be expressed as. 04, gives the amount of alcohol in terms of ml — which, when divided by, shows the number of units.

Since its disappearance from the Biblical narrative, there have been a number of claims of having discovered or of having possession of the Ark, and several possible places have been suggested for its location.

Since various Molly Pitcher tales grew in the telling, many historians regard Molly Pitcher as folklore rather than history, or suggest that Molly Pitcher may be a composite image inspired by the actions of a number of real women.

Since then groups that are not affiliated to the Santo Daime have used ayahuasca, and a number of different ' styles ' have been developed, such as the non-religious approach developed by Daniel Waterman in 2001, popularly termed Ayahuasca Open Style ( AOS ).

Since then a number of independent developers released games into the new decade, like Championship Rally, CyberVirus, and Alpine Games.

Since then, Clinton has been assigned a number of other diplomatic missions.

Since about 2001, territorial defence forces, which as of 2002 number around 150, 000, have been forming, organized into battalions, companies, and platoons spread across Belarus.

* Since Big Brother 2, the UK series always opens with a twist which have included the public being able to choose the final housemate out of three possibilities ( Big Brother 2 ), the public voting for a housemate to leave during the first week and then the housemates choosing between the two housemates with the least number of votes ( Big Brother 3 ), First Night Nominations ( Big Brother 4 ), Suitcase Nominations ( Big Brother 5 ), Unlucky Housemate 13 ( Big Brother 6 ), Big Brother Hood ( Big Brother 7 ), an all-female House and the first inclusion of twins as contestants ( Big Brother 8 ), the first couple to enter as housemates and set a secret task to hide their real relationship ( Big Brother 9 ), all " housemates " really being " non-housemates " who had to earn their housemate status ( Big Brother 10 ), a mole entering the House with an " Impossible Task " ( Big Brother 11 ), Jackie Stallone entering a house containing her son's ex-wife ( Celebrity Big Brother 3 ), the entrance of a non-celebrity in a celebrity edition ( Celebrity Big Brother 4 ) and Jade Goody's family announced to be visiting.

Since 1974, it has been a purely ceremonial style granted by royal charter to districts which may consist of a single town or may include a number of towns or rural areas.

Since a number of different architectural styles succeeded one another during the Angkorean period, not all of these features were equally in evidence throughout the period.

Since after independence from Portugal in 1975, a number of Cape Verdean students continued to be admitted every year at Portuguese high schools, polytechnical institutes and universities, through bilateral agreements between the Portuguese Government and the Cape Verdean Government.

Since the number of possible sounds in all of the world's languages is much greater than the number of letters in any one alphabet, linguists have devised systems such as the International Phonetic Alphabet ( IPA ) to assign a unique and unambiguous symbol to each attested consonant.

Since the elements can be uniquely sequenced by atomic number, conventionally from lowest to highest ( as in a periodic table ), sets of elements are sometimes specified by such notation as " through ", " beyond ", or " from ... through ", as in " through iron ", " beyond uranium ", or " from lanthanum through lutetium ".

A set S is called countable if there exists an injective function f from S to the natural numbers Since there is an obvious bijection between and it makes no difference whether one considers 0 to be a natural number of not.

) Since Popes can dispense from church laws, they have sometimes brought the number of cardinals under the age of 80 to more than 120, perhaps calculating that the number would be sufficiently reduced by the time the need for a conclave would arise.

Since then, a number of Australian states have introduced or tightened importation regulations.

Since 1985, the State of Israel has outlawed political parties espousing Kahane's ideology as being " racist ", and forbids their participating in the Israeli government.

Since October 5, 2000, foreign embassies, including that of the U. S., have reopened, and the country has regained its seat in such international organizations as the Organization for Security and Co-operation in Europe ( OSCE ) and the United Nations and is actively participating in International Monetary Fund ( IMF ) and World Bank projects.

Since then he has collaborated frequently with them in special operations, participating in numerous sabotages and responsible for the destruction of at least three trains, fourteen tanks and over fifty land vehicles.

Since the Mutual Recognition Agreement was signed it is now straightforward to take traceability from any participating NMI and it is no longer necessary for a company to obtain traceability for measurements from the NMI of the country in which it is situated.

Since the establishment of the Olympics, most serial multi-sport events have been organized for specific audiences and participating countries or communities.

Since many of the predominantly Roman Catholic Canadians were unwilling to take such an oath, this effectively prevented large numbers of French-speaking Canadians from participating in the local governments.

Since its inception in 2005, Mr. Children has been actively participating in the festivals, with an announcement in 2008 that the group will now work more closely with its cause by participating during the entire three day festival duration in addition to further details to be announced at a later time.

Since March 1, 2009 de facto relationships have been recognized in the Family Law Act for participating states that conferred their power on de facto couples to the federal jurisdiction.

Since its inception in 1946, Peronist candidates have won 8 of the 10 presidential elections that they have not been banned from participating in.

Since then, the corps has been the primary strategic response force, with subordinate units participating in over a dozen major operations ( listed below ) in both combat and humanitarian roles, primarily in Central America and the CENTCOM area of responsibility.

Since the early 1990s, the nationally known Gus Macker organization has hosted a 3-on-3 basketball tournament in early July with hundreds of teams participating each year.

Since the end of her presidency in July 2007, Dr. Vīķe-Freiberga has been actively participating as an invited speaker at a wide variety of international events.

Since 1979 the city of Iida has hosted the Iida Puppetry Festival, a major event that is the largest of its kind in Japan, with over 200 traditional and contemporary troupes from all over Japan and abroad participating in the annual four-day festival in early August.

Since the official singles chart at the time was compiled using sales returns from a number of outlets amongst a wider participating roster, it is in theory possible that the single's number 2 position was not the result of disregarding sales figures as such, but of the selection for that week's chart source data of a number of stores which were not selling the record.

Since 2009, Chicagoans have also set out to take a stance against terrible fashion trends by participating in the " Double Denim Bar Crawl ," or the DDBC.

Since then he has had various support assignments, including working at the Shuttle Avionics Integration Laboratory ( SAIL ) as a test pilot, and at the Kennedy Space Center participating in Orbiter test, checkout, launch and landing operations.

Since then Malaysia has stated a preference for participating in Chapter 6 “ peace enforcement ” missions, rather than Chapter 7 “ peacekeeping ” missions.

Since then the number of the participating countries has increased steadily.

Since that time, the muralism tradition has waned but Cuevas still remains a controversial and oppositional figure, criticizing writers and artists he feels criticize the country ’ s corruption and other problems but at the same time participating in them.

Since April 2009 the University has been one of eleven universities participating in the Carbon Trust's fifth HE Carbon Management programme which helps Universities to access and reduce their carbon footprint.

Since the Euro 1996 qualifying round, Armenia is participating in the Euro and World Cup qualification rounds.

" Since she was a little girl she demonstrated an affinity for the entertainment world, participating in school plays, until at the age of nine, she was part of the musical comedy " Anita la Huerfanita ," ( Little Orphan Annie ).

Since the event was held less than three months before the Summer Olympics in Athens, Greece, some of the participating nations used the event therefore as a qualifying tournament for the Olympics.