The application of UVGI to disinfection has been an accepted practice since the mid 20th century.

It was not until the mid 1980s that these operations became commonplace.

Haiti s recent economic history is marked by a remarkable and tragic downslide since the mid 1980 s, exacerbated by sometimes well intentioned but typically disastrously executed US diplomacy.

Since the mid 20th century, the usage of sulfonic acids has surpassed soap in advanced societies.

Between the mid 1970 s and the mid 1990 s, Australia had several mass shootings.

Before the middle of the 20th century, most forest managers believed that fires should be suppressed at all times.

When he returned to Afghanistan in the mid 1960s, the route flew to Afghanistan by way of Moscow.

These talks eventually resulted in the formation of respected countries, from Italy in the nineteenth century, to India in the middle of the twentieth century, to Eritrea near that century s end.

Europeans remained in control of the government in eastern North Africa until the mid 20th century.

The first term defined the tumultuous middle of the twentieth century, the latter its benign ending.

But President Hosni Mubarak and the ruling National Democratic Party have been stonewalling since the mid 1980's.

China has been the developing world s largest recipient of FDI since the mid 1990s.

Since the mid 1990 s, African economies have been recording growth rates that are higher than world averages.

In the mid 1990 s, the Dutch volunteered to protect Srebrenica from General Ratko Mladic s Serbian forces.

The United States became the prime producer of lithium in the period between the late 1950s and the mid 1980s.

The interest rate on ten year Treasuries increased from about 4 in the mid 1960 s to 8 in the mid 1970 s and 10 in the mid 1980 s.

Education Sheik Hassan studied Art of the 20th Century in a course at Qatar University in the mid 1980s.

Examples include Chile and South Korea in the late 1980 s and Mexico in the mid 1990 s.

Setting the clock back would thus not simply return Europe to the mid twentieth century.

The charismatic figures of the mid twentieth century Churchill, Adenauer, and de Gaulle have no contemporary counterparts.

Today, however, Chinese are facing past atrocities from the Century of Humiliation that ended with the Communist takeover in 1948, and a long suppressed anger has resurfaced.

I have studied many Chinese firms that flourished from the early nineteenth to the mid twentieth century. They all seem to have the following core features

In the United States, for example, quarterly output volatility has fallen by more than half since the mid 1980 s.

Indeed, until the mid 1970's, the number of hours worked on either side of the Atlantic was roughly the same.

To Pope Benedict, as well as other conservatives, the social and sexual revolutions of the mid 20th century may look like an orgy of libertinism.

But the pro democratic policies of glasnost and perestroika that I unveiled in the mid 1980's did not appear out of thin air.

International affairs and international organizations largely operate under mid twentieth century arrangements, which has two serious shortcomings.

7.62 39mm The standard Soviet ComBloc rifle cartridge from the mid 1940s to the mid 1970s, this is easily one of the most widely distributed cartridges in the world due to the distribution of the ubiquitous Kalashnikov AK 47 series.

During the middle of the 20th century, anthropologists discovered many fossils and evidence of human occupation perhaps as early as 7 million years ago.

Periodization Most scholars would agree that modernism began around 1900 and continued on as the dominant cultural force in the intellectual circles of Western culture well into the mid twentieth century.

Europe s bad luck was to be hit with the worst financial crisis since the 1930 s while still only halfway through its integration process.

In the Victorian era, the Elizabethan legend was adapted to the imperial ideology of the day, and in the mid 20th century, Elizabeth was a romantic symbol of the national resistance to foreign threat.

Toastmaster is a general term, prevalent in the United States in the middle 20th century, referring to a person in charge of the proceedings of a public speaking event.

Brutalist architecture is a movement in architecture that flourished from the 1950s to the mid 1970s, descending from the modernist architectural movement of the early 20th century.

The siege went on for three and a half years, and it was a siege without water, without power, without electricity, without heat, without food, in the middle of Europe, in the middle of the 20th century.

However, by the midpoint of the 20th century, it became apparent that an efficient office required discretion in the control of privacy, which is needed to combat tedium linked to poor productivity, and to encourage creativity.

Up to the middle of the 20th century the salt was transported in two large camel caravans (azalaï), one leaving Timbuktu in early November and a second leaving Timbuktu in late March at the end of the season.

Since the mid 20th century, heavy water consumption of farms and cities along with many large hydroelectric dams on the river has left only 20 percent of its natural discharge to flow to the Gulf.

In the 20th century, it was totalitarianism.

Music in the Twentieth Century series.

In the middle of the twentieth century, Josef Stalin scornfully asked how many divisions the Pope had, but four decades later, the Papacy was still intact while Stalin s empire had collapsed.

We came much closer to getting there than is now remembered in the Agreed Framework deal of the mid 1990 s, in which I participated as Australia s Foreign Minister.

Most emigrated to Israel in the mid 20th century.

It represents a cultural rebirth from the 14th through the middle of the 17th centuries.

In the middle of the 19th century Riemann introduced his theory of integration.