Since the 1920s this discrepancy has been explained by the presence of isotopes ; the atomic mass of any isotope is very close to satisfying the whole number rule, with the mass defect caused by differing binding energies being significantly smaller.

Since the 1920s, Oxford has been the most popular candidate among " anti-Stratfordians ," a collective term for adherents of the various alternative-authorship theories.

Since the 1920s, Prime Ministers have typically been conferred the Grand Cordon of the Order of the Rising Sun, or the Grand Cordon of the Order of the Paulownia Flowers ( until 2003 a special higher class of the Order of the Rising Sun ), depending on tenure and eminence.

Since the production of high-quality semiconductor materials was still decades away, Lilienfeld's solid-state amplifier ideas would not have found practical use in the 1920s and 1930s, even if such a device were built.

Since the 1920s, it has experienced rapid growth and established many industries for agricultural products and machinery, textiles, pharmaceuticals, metal products, and services.

Since the 1920s, the two largest political parties have been the Conservative Party and the Labour Party.

Since the 1920s, X-ray diffraction has been the principal method for determining the arrangement of atoms in minerals and metals.

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 1920s, the appearance of the " modern girl " ( moga ) and " modern boy " ( mobo ) saw an increase in the number of women taking on the role of industrial and white-collar workers and consumers.

Since the 1920s, Lancaster had been the much larger and principal community of the Antelope Valley, as well as the rest of California's Mojave Desert.

Since the 1960s Leiston became famous outside the UK as the home of the Summerhill School, founded by A. S. Neill in the 1920s, which was the first major " free school "-referring to freedom in education.

Since the district's period of significance extends to 1944, most of those buildings erected after the 1920s were built as infill within the areas already subdivided by the 1920s.

Since the district's period of significance extends to 1944, most of those buildings erected after the 1920s were built as infill within the areas already subdivided by the 1920s.

Since the early 1920s, 150 movies and about a dozen television shows have been filmed here, including Tom Mix films, Hopalong Cassidy films, The Gene Autry Show, and The Lone Ranger.

Since the 1920s, an increasingly elaborate sub-culture of organized science fiction fandom has arisen, initially among correspondents to the letter columns of science fiction magazines.

Since the 1920s, Governors-General have acted solely on the advice of the local ministers, rather than on that of the British Government.

Since the 1920s the Wallabies have worn green and gold jerseys.

Since the late 1920s the tension between the air and naval services had declined.

Since the 1920s, the street's name has been synonymous with the American advertising industry.

Since the early 1920s, this modern vernacular form has been the standard style of writing for speakers of all varieties of Chinese throughout mainland China, Taiwan, Malaysia and Singapore as the written form of Modern Standard Chinese.

Since late 1920s, nearly all Chinese newspapers, books, and official and legal documents have been written in vernacular Chinese using the national standard.

Since the 1920s, 1.

Since the 1960s, the islands have diversified away from their traditionally agriculture-based economy towards tourism and financial services, becoming one of the wealthiest areas in the Caribbean.

Since the stagflation of the 1970s, the U. S. economy has been characterized by slower GDP growth.

Since the 1990s the region has experienced an exceptionally tumultuous period in its regional economy with the collapse of large portions of the ground fishery throughout Atlantic Canada, the closing of coal mines and a steel mill on Cape Breton Island, and the closure of military bases in all three provinces.

Since 2000, the pace of structural reforms, including fiscal, monetary policies, privatization and new business legislations, helped Egypt move towards a more market-oriented economy and prompted increased foreign investment.

Since 1962, when France stationed military personnel in the region, French Polynesia has changed from a subsistence economy to one in which a high proportion of the work force is either employed by the military or supports the tourist industry.

Since the age of industrialisation, the country has been a driver, innovator, and beneficiary of an ever more globalised economy.

Since the age of industrialisation, the country has been a driver, innovator, and beneficiary of an ever more globalised economy.

Since its inception, it has drastically assisted the government in stabilizing the economy and boosting it as illegal sales of the major crops / nuts have been meaningfully and instantly curbed and also rendering employment to thousands of Ghanaians.

Since 2001, economic growth declined caused by adverse shocks such as a slowdown in the global economy and natural disasters.

Since 1985, the Guinean Government has adopted policies to return commercial activity to the private sector, promote investment, reduce the role of the state in the economy, and improve the administrative and judicial framework.

Since the demise of the Duvalier dictatorship in 1986, international economists have urged Haiti to reform and modernize its economy.

Since then the Israeli economy has gradually moved to capitalism and a free market economy, partially retaining the social welfare system.

Since 2004, the national economy has recovered and undergone another period of rapid economic growth.

Since the 2008 onset of the Irish economic and banking crisis, however, the country's economy has suffered, and since then Ireland has experienced net emigration once again.

Since Marx believed that surplus value appropriated from labour is the source of profits, he concluded that the rate of profit would fall even as the economy grew.

Since independence in 1968, Mauritius has developed from a low-income, agriculturally based economy to a middle-income diversified economy with growing industrial, financial, and tourist sectors.

Since its economy was highly dependent on the rest of the former Soviet Union for energy and raw materials, the breakdown in trade following the breakup of the Soviet Union had a serious effect, exacerbated at times by drought and civil conflict.

Since the early 1980s, the Moroccan government has pursued an economic program toward accelerating real economy growth with the support of the International Monetary Fund, the World Bank, and the Paris Club of creditors.

Since Nauru imports almost everything it consumes ( including food, water and fuel ) the need to diversify the economy and to generate other sources of revenue is of paramount importance.

Since the 1970s, the tea industry in Taiwan has expanded at a rapid rate, in line with the rest of Taiwan's economy.

Since its inception, South Korea has seen substantial development in education, economy, and culture.

Since then, South Korea has advanced into a developed economy to eventually attain a GDP per capita of $ 30, 000 in 2010, almost thirteen times the figure thirty years ago.

Since the end of the civil war in 2002 the economy is gradually recovering with a GDP growth rate between 4 and 7 %.