permeability
permeability 1. A property of a membrane or other barrier, being the ease with which a substance will diffuse or pass across it.
2. The capacity of a material to transmit fluids, expressed as hydraulic conductivity. This is the volume flow rate of water through a unit cross-sectional area of a porous medium under the influence of a hydraulic gradient of unity, at a specified temperature; it is measured in units of m/s or m/day and varies with temperature. Typical values range from 10
−6 m/day for clay to 10
3 m/day for coarse gravel. In soils, the ease with which gases, liquids, or plant roots penetrate into or pass through a layer of soil.
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All of the president's historians: the debate over Urho Kekkonen.
Magazine article from: Scandinavian Studies; 9/22/2003; ; 700+ words
; ...hiihti! Kekkonen kalasti! Nyt se on Kekkonen riisuttu alasti" [Kekkonen skied, Kekkonen fished, and now Kekkonen is stripped bare]. When Urho Kaleva Kekkonen resigned as president of the Republic of Finland in the fall of 1981, few Finns...
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Urho Kekkonen, Finnish ex-president
Newspaper article from: Chicago Sun-Times; 8/31/1986; 411 words
; ...HELSINKI, Finland (AP) Urho Kekkonen, 85, president of Finland for...today. His son Matti said Mr. Kekkonen died at the lakeside presidential...in the brain," the son said. Urho Kaleva Kekkonen, popularly known as UKK or Urkki...
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Remembering Kekkonen on the 100th anniversary of his birthday
Magazine article from: Scandinavian Review; 1/1/2001; ; 700+ words
; In the fall of 1981, after 25 years in office, Urho Kaleva Kekkonen resigned as President of the Republic of Finland...September 3, 2000, Finns observed the centenary of Urho Kekkonen's birth. The year 2001 will mark the twentieth...
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On the Finland Watch: An American Diplomat in Finland during the Cold War.(Review)
Magazine article from: Scandinavian Studies; 6/22/2001; ; 700+ words
; ...of the decisions and repercussions of the Kekkonen presidency, are extremely thought provoking...leaders, including specifically President Urho Kaleva Kekkonen. Mr. Cooper interviewed Kekkonen associates, colleagues, critics, and others...
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Birthdays
Newspaper article from: The Independent - London; 8/31/1994; 700+ words
; ...Marchegiano), heavyweight boxer, killed in an air crash 1969; John Ford (Sean O'Feeney), film director, 1973; Urho Kaleva Kekkonen, president of Finland, 1986; Henry Moore, sculptor, 1986. On this day: Henry VI acceded as king at the age...
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Doctors hope hip protectors will reduce the risk of fracture.(The Dallas Morning News)
Newspaper article from: Knight Ridder/Tribune News Service; 12/15/2000; ; 700+ words
; ...soon, or at what cost. Dr. Pekka Kannus, chief physician at the Accident and Trauma Research Center at the Urho Kaleva Kekkonen Institute in Tempere, Finland, says he and his colleagues undertook his study because they felt a new approach...
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Anniversaries
Newspaper article from: The Independent - London; 8/31/1999; 599 words
; ...John Ford (Sean O'Feeney), film director, 1973; Norman Eric Kirk, New Zealand prime minister, 1974; Urho Kaleva Kekkonen, president of Finland, 1986; Henry Moore, sculptor, 1986; Diana, Princess of Wales, killed in a car crash...
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Urho Kaleva Kekkonen
Book article from: The Columbia Encyclopedia, Sixth Edition
Urho Kaleva Kekkonen , 1900-1986, president of Finland (1956-81). The leading spokesman...president. He resigned for health reasons in 1981. Throughout his career, Kekkonen succeeded in maintaining friendly neutrality with the USSR.
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Kekkonen, Urho Kaleva
Book article from: A Dictionary of Contemporary World History
Kekkonen, Urho Kaleva (b. 3 Sept. 1900, d. 31 Aug. 1986). President of Finland 1956–81 Born in Pielavesi, he studied law at Helsinki...
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Urho Kekkonen
Encyclopedia entry from: Encyclopedia of World Biography
Urho Kekkonen Urho Kekkonen (1900-1986) was Finland's president from 1956 to 1981...Finlandization" by detractors. Youth Spent in War, Journalism, Sport Urho Kaleva Kekkonen was born on September 3, 1900, in Pielavesi, Finland, the...
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Finland
Book article from: World Encyclopedia
...agreement. In 1955, Finland joined the UN and the Nordic Council. It remained neutral during the Cold War. Urho Kaleva Kekkonen led (1956–81) Finland through reconstruction. Finland became a full member of EFTA in 1986, and...
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