Since the mid 1950s, when urethane foam first made its appearance in the American market, growth has been little short of fantastic.

Since the 1950s, Prince Philip has also added herbaceous borders and a water garden.

Since the growth of global fishing enterprises after the 1950s, intensive fishing has spread from a few concentrated areas to encompass nearly all fisheries.

" Since the 1950s conservatism in the United States has been chiefly associated with the Republican Party.

* Since the 1950s, the United States Atomic Energy Commission has named its highest honor, the Fermi Award, after him.

Since the 1950s, hydrology has been approached with a more theoretical basis than in the past, facilitated by advances in the physical understanding of hydrological processes and by the advent of computers and especially geographic information systems ( GIS ).

Since the 1950s, when Lacan and Foucault argued that each epoch has its own knowledge system, which individuals are inexorably entangled with, many post-structuralists have used historicism to describe the view that all questions must be settled within the cultural and social context in which they are raised.

Since the 1950s, many blues harmonica players have amplified their instrument with microphones and tube amplifiers.

Since the 1950s and 1960s in particular, the Irish have become assimilated into the British population.

Since the 1950s, following the lead of D. W. Jefferson, there are those who argue that, whatever its legacy of influence may be, Tristram Shandy in its original context actually represents a resurgence of a much older, Renaissance tradition of " Learned Wit " – owing a debt to such influences as the Scriblerian approach.

Since the 1950s, manga has steadily become a major part of the Japanese publishing industry, representing a ¥ 406 billion market in Japan in 2007 ( approximately $ 3. 6 billion ) and ¥ 420 billion ($ 5. 5 billion ) in 2009.

Since the 1950s however, manufacturing shortcuts have resulted in a quality decline of machetes.

Since trade was restricted in the 1950s they have found work as high altitude porters, guides, cooks and other accessories to tourism and alpinism.

Since the early 1970s, oral history in Britain has grown from being a method in folklore studies ( see for example the work of the School of Scottish Studies in the 1950s ) to becoming a key component in community histories.

Since the 1950s, the club's helmets have featured eagle wings, originally silver on a kelly green helmet.

Since the late 1950s, almost all phono input stages have used the RIAA equalization standard.

Since the 1950s, television has been the main medium for molding public opinion.

Since the 1950s, television has been the main medium for molding public opinion.

Since the 1950s, Montevideo's prosperous middle classes have tended to abandon the formerly fashionable downtown areas for the more modern high-rise apartment buildings of Pocitos, a beachfront neighborhood east of the center.

Since the late 1950s, aerospace engineers have used the term " unobtainium " when referring to unusual or costly materials, or when theoretically considering a material perfect for their needs in all respects, except that it does not exist.

Since the end of the 20th century, the economic strength during the 1920s has drawn close comparison with the 1950s and 1990s, especially in the United States of America.

Since the 1950s, Real Madrid and Barcelona have dominated the championship.

: Since the 1950s, both the atmospheric CO < sub > 2 </ sub > level and obesity levels have increased sharply.

Since then, the Cockney accent has been more accepted as an alternative form of the English Language rather than an ' inferior ' one ; in the 1950s the only accent to be heard on the BBC ( except in entertainment programmes such as Sooty ) was RP, whereas nowadays many different accents, including Cockney or ones heavily influenced by it, can be heard on the BBC.

Since this type of item was not in the statute when section 381 was enacted in 1954, one cannot say with certainty what effect the enactment of that section should have.

Since current can be the flow of either positive or negative charges, or both, a convention for the direction of current which is independent of the type of charge carriers is needed.

Since the observation of the Champagne Supernova in 2003, more very bright type Ia supernovae are thought to have originated by white dwarfs whose masses exceeded the Chandrasekhar limit.

Since these devices are used to run countless different types of programs, these CPU designs are not specifically targeted at one type of application or one function.

Since being able to choose any resource type allows more building power, gold rivers are either marked with number token of only 2 or 3 dots and / or are far away from starting positions to offset this.

Since 2004, the colón stopped circulating and is now never used in the country for any type of transaction ; however some stores still have prices in both colons and U. S. dollars.

Since 1997, the ILAE have been working on a new scheme that has five axes: ictal phenomenon, ( pertaining to an epileptic seizure ), seizure type, syndrome, etiology, impairment.

Since most of these enclaves are occupied by the military, military law is especially concerned with these enclaves, especially the issue of establishing who has jurisdiction and what type of jurisdiction.

Since the Hubble sequence is entirely based upon visual morphological type, it may miss certain important characteristics of galaxies such as star formation rate ( in starburst galaxies ) and activity in the core ( in active galaxies ).

Since real political power belongs to the sole legal party, in certain states under Marxist constitutions of the constitutionally socialist state type inspired by the former Union of Soviet Socialist Republics ( USSR ) and its constitutive Soviet republics, there was no formal office of head of state, but rather the leader of the legislative branch was considered to be the closest common equivalent of a head of state as a natural person.

Since the introduction of firearms classifications have changed initially to reflect their formations on the battlefield as line infantry, and later to reflect modes of transport and type of tactics used by specific units as Mechanized infantry or airborne infantry.

The manual also contains a " tonsil ", as explained in this footnote: " 4 ) Since all other reference manuals have Appendices, it was decided that the INTERCAL manual should contain some other type of removable organ.

Since members of the type I and type II cytokine receptor families possess no catalytic kinase activity, they rely on the JAK family of tyrosine kinases to phosphorylate and activate downstream proteins involved in their signal transduction pathways.

Since Maeshowe is the largest and most sophisticated example of the Maeshowe " type " of tomb, archaeologists have suggested that it is the last of its class, built around 2800 BC.

Since the RNA is first separated by size, if only one probe type is used variance in the level of each band on the membrane can provide insight into the size of the product, suggesting alternative splice products of the same gene or repetitive sequence motifs.

Since only a few atoms must be excited into the upper laser level to form a population inversion, a four-level laser is much more efficient than a three-level one, and most practical lasers are of this type.

Since the 1980s or so, however, scripts of this type have been replaced with utilities like make which are specialized for building programs.

Since there was a bounty on Themistocles's head, this acquaintance devised a plan to safely convey Themistocles to the Persian king in the type of covered wagon that the King's concubines travelled in.

Since a mass driver could use any type of mass for reaction mass to move the spacecraft, a mass driver or some variation seems ideal for deep-space vehicles that scavenge reaction mass from found resources.

Since social capital is readily available no matter the type of community, it is able to override more traditional queues for political engagement ( e. g., education, employment, civil skills, etc .…).

Since this autoimmune disease appears suddenly, often quite late in life, viral or bacterial infection may trigger antibodies that cross-react with the human TSH receptor ( a phenomenon known as antigenic mimicry, also seen in some cases of type 1 diabetes ).

Since nonmetal containers are poorer heat conductors, the type of container material stated in the recipe cannot be substituted without affecting the outcome.

Since this is the most common type of NAT it is often referred to simply as NAT.