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Frequency of fronts in the Northern Hemisphere
Archiv für Meteorologie, Geophysik und Bioklimatologie Serie A, 1951It is pointed out that there are two distinct ways of defining the frequency of the occurence of fronts. Tables and charts are presented showing frontal frequency during winter and summer for the greater part of the Northern Hemisphere, the values being based on daily synoptic charts for a period of ten years.
T. E. W. Schumann, M. P. Rooy
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Synthesis of the Northern hemisphere of the briaranes
Tetrahedron, 2010Abstract A highly functionalized fragment corresponding to the Northern hemisphere of the briaranes has been synthesized employing a sulfonyl diene Diels–Alder reaction, oxidative desulfonylation, Eschenmoser rearrangement and Keck radical allylation.
Roderick W. Bates +2 more
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Sleep in Industrialized Settings in the Northern Hemisphere
Psychological Reports, 1985Daily time-budget activity reports on more than 30,000 individuals in urban-industrial sites in 11 countries have been published. This is an analysis of the data on sleep patterns. The amount of sleep on weekdays by men and women did not differ. On days off the amount of sleep increased by about 90 minutes with the females obtaining significantly less ...
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Seasonal Adaptation of a Northern Hemisphere Insect to the Southern Hemisphere
Journal of Economic Entomology, 1923Melitara junctolineella Hulst (Order Lepidoptera, Family Pyralidae), one of the several insects introduced into Australia in connection with the attempt biologically to control the prickly-pear pest, is indigenous to North America. In southern Texas it produces two generations annually.
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Extreme Precipitation in the Northern Hemisphere
1994Atmospheric precipitation is an important natural factor determining the life conditions on the Earth. By the same time, heavy precipitation can cause a huge material damage leading to such menacing natural events as floods, landslides, mud flows, avalanches, water erosion, etc… These dangerous natural disasters can be of various duration - from a ...
Khamil Khairullin +2 more
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Atmospheric blocking in the northern hemisphere
2010Blocking is generally understood as the obstruction on a large scale of the normal west - to - east motion of mid-latitude pressure systems. It is a persistent phenomenon lasting from one to several weeks and the resulting prolonged weather regimes may have serious economic and social consequences.
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