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Chiral signatures of chlordanes indicate changing sources to the atmosphere over the past 30 years

Chlordane was used as an insecticide for half a century until its withdrawal from the world market in 1997. Trans- and cis-chlordane (TC, CC) are racemic in the technical product, but undergo enantio selective degradation in soil to leave nonracemic residues. In most cases, the (+) enantiomer of TC and the (-) enantiomer of CC are depleted, leading to enantiomer fractions, EF = (+)/[(+) + (-)], th

Structural behavior of Dy-157,Dy-158,Dy-159 in the I=30-50h spin regime

Significant extensions to the high-spin excitation spectrum of the N = 91, 92, 93 isotopes Dy-157,Dy-158,Dy-159 have been achieved using the high-efficiency gamma-ray spectrometers Euroball and Gammasphere. These nuclei were populated via weak 3n or alpha xn exit channels in fusion evaporation reactions. In Dy-157, the yrast band has been extended to I-pi = (2)/(101+) (tentatively to (2)/(105+)) w

Historical Database of Scanian Agriculture, version 3.0

The Historical Database of Scanian Agriculture (HDSA) is a micro-level database over farm production in the most southern Swedish region of Scania (Skåne) based on flexible tithes. It contains over 85,000 farm level observations of both vegetable and animal production for the period 1702 to 1881. Moreover, this information is supplemented by information on the farmer, the farm, on enclosures, natu

Post-traumatic osteoarthrosis after tibial shaft fractures A 30-year-follow-up

In 1990, a retrospective case control study was performed based on all patients with tibial shaft fractures (n = 767) treated at the Department of Orthopaedics in Malmö 1949-1963. At the time of the study 231 of the patients were still living in Malmö . All radiographic examinations of this latter group from the time of the fracture to 1990 were studied and the occurrence of osteoarthrosis (OA) of

Fracture incidence after tibial shaft fractures. A 30-year follow-up study

Based on all patients with tibial shaft fracture (n = 767) treated in the department of orthopedics in Malmö from 1955 to 1963, a retrospective cohort study was performed in 1990. Two hundred sixty-nine of the patients were still living in Malmö or had died in the city. Since all roentgenograms were available, all other fractures that this group of patients had sustained up to 1990 were included.

Metaphyseal-diaphyseal angle in Blount's disease. A 30-year follow-up of 13 unoperated children

We analyzed the metaphyseal-diaphyseal angle in 13 patients with infantile Blount's disease, who had been followed without treatment during the entire growth period and without any form of realignment procedure in adulthood. On diagnosis at 23 (17-35) months of age, the metaphyseal-diaphyseal angle varied between 7°and 25°. At follow-up, most of the legs were almost straight. We found that the dia