Die Cs-137-Therapieanlage der Kernforschungsanlage Jülich

Das unter der Leitung von Herrn Prof. Dr. Knipping stehende Medizinische Institut der Kernforschungsanlage Jülich besitzt seit demSommer 1960 eine Cs-137-Therapieanlage der Firma Picker-X-Ray-Corporation, Cleveland/Ohio. Die Anlage wurde vorläufig im Kellergeschoß des alten Schlosses in Bensberg aufgestellt. Sie dient in erster Linie der Strahlentherapie des Medizinischen Instituts.Jedoch werden auch Physiker, Chemiker, Biologen, Metallurgen und andere Nichtmediziner gelegentlich den Wunsch haben, die Anlagezur Hochdosisbestrahlung in ihrem Forschungsgebiet zu benutzen. Aus diesem Grunde sind die wichtigsten physikalischen und technischen Einzelheiten sowie eine Reihe von Meßergebnissen der Abteilung Strahlenschutz, die für alle Benutzer interessant sind, im folgenden beschrieben

Measuring hearing in wild beluga whales

Author Posting. © The Author(s), 2016. This is the author's version of the work. It is posted here by permission of Springer for personal use, not for redistribution. The definitive version was published in "The Effects of Noise on Aquatic Life II," edited by Arthur N. Popper, Anthony Hawkins, 729-735. New York, NY: Springer, 2016. doi: 10.1007/978-1-4939-2981-8_88.We measured the hearing abilities of seven wild beluga whales (Delphinapterus leucas) during a collection-and-release experiment in Bristol Bay, AK, USA. Here we summarize the methods and initial data from one animal, discussing the implications of this experiment. Audiograms were collected from 4-150 kHz. The animal with the lowest threshold heard best at 80 kHz and demonstrated overall good hearing from 22-110 kHz. The robustness of the methodology and data suggest AEP audiograms can be incorporated into future collection-and-release health assessments. Such methods may provide high-quality results for multiple animals facilitating population-level audiograms and hearing measures in new species.Project funding and field support provided by Georgia Aquarium and the National Marine Mammal Laboratory of the Alaska Fisheries Science Center (NMML/AFSC). Field work also supported by National Marine Fisheries Service Alaska Regional Office (NMFS AKR), WHOI Arctic Research Initiative, WHOI Ocean Life Institute, U.S. Fish and Wildlife Service, Bristol Bay Native Association, Alaska SeaLife Center, Shedd Aquarium and Mystic Aquarium. Audiogram analyses were funded by the Office of Naval Research award number N000141210203 (from Michael Weise)

Predicting temporary threshold shifts in a bottlenose dolphin (Tursiops truncatus) : the effects of noise level and duration

Author Posting. © Acoustical Society of America, 2009. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 125 (2009): 1816-1826, doi:10.1121/1.3068456.Noise levels in the ocean are increasing and are expected to affect marine mammals. To examine the auditory effects of noise on odontocetes, a bottlenose dolphin (Tursiops truncatus) was exposed to octave-band noise (4–8 kHz) of varying durations (<2–30 min) and sound pressures (130–178 dB re 1 µPa). Temporary threshold shift (TTS) occurrence was quantified in an effort to (i) determine the sound exposure levels (SELs) (dB re 1 µPa2 s) that induce TTS and (ii) develop a model to predict TTS onset. Hearing thresholds were measured using auditory evoked potentials. If SEL was kept constant, significant shifts were induced by longer duration exposures but not for shorter exposures. Higher SELs were required to induce shifts in shorter duration exposures. The results did not support an equal-energy model to predict TTS onset. Rather, a logarithmic algorithm, which increased in sound energy as exposure duration decreased, was a better predictor of TTS. Recovery to baseline hearing thresholds was also logarithmic (approximately −1.8 dB/doubling of time) but indicated variability including faster recovery rates after greater shifts and longer recoveries necessary after longer duration exposures. The data reflected the complexity of TTS in mammals that should be taken into account when predicting odontocete TTS.This work was funded by the Office of Naval Research Grant No. 00014-098-1-687 to P.E.N. and the support of Bob Gisiner and Mardi Hasting is noted. Additional support came from SeaSpace to T.A.M

Efeito da irrigação e fertirrigação na coloração da película, firmeza e sólidos solúveis totais de maçãs "Galaxy", na região dos Campos de Cima da Serra, RS.

A ocorrência de períodos de estiagem durante o ciclo produtivo da cultura e de anos com baixos índices pluviométricos tem levado os produtores de maçã da região Sul do Brasil a se interessar pelo uso da irrigação

Cultura da macieira no Rio Grande do Sul: análise situacional e descrição varietal.

Metodologia. Dinâmica da distribuição territorial e do quadro varietal. Características das principais cultivares do grupo Gala. Características das principais cultivares do grupo Fuji. Características de outras cultivares.bitstream/item/60767/1/Doc71.pd

Mapeamento regional das áreas para cultivo de arroz irrigado por sulco em uma faixa da planície costeira interna, RS.

As terras baixas do Rio grande do Sul são cultivadas com arroz irrigado anualmente, ocupando em torno de 1 milhão de hectares, sendo 29% dessa área usada em rotação, principalmente com soja, pastagem e milho (Silva et al., 2007).ODS

Irrigação/fertirrigação: tecnologias para aumentar a eficiência produtiva da macieira.

A água é um fator essencial e limitante que afeta o crescimento e desenvolvimento das plantas, uma vez que está envolvida em todos os processos metabólicos que ocorrem na planta. O déficit hídrico no início da fase de desenvolvimento vegetativo pode afetar não apenas o crescimento das plantas, mas também a produtividade e a qualidade dos frutos. Com a adoção de sistemas de alta densidade, o gerenciamento da água vem se tomando um fator crítico para o sucesso do plantio

Substitution Effects of NaCl by KCl and CaCl2 on Lipolysis of Salted Meat

The objective of this study was to investigate the reduction and partial substitution effects of sodium chloride (NaCl) by potassium chloride (KCl) and calcium chloride (CaCl2) on lipolysis and lipid oxidation in salted meat aiming at reducing sodium content. To evaluate the effect of different salts on lipid oxidation thiobarbituric acid-reactive substances (TBARs) assay was performed along 180 days. Furthermore, ESI-MS/MS and GC analysis were conducted to detect and identify oxidized lipids, volatile compounds and free fatty acids profiles during the meat processing time. Lipid profiles from different salted meat demonstrated that CaCl2 salt have inducted more lipid oxidation when compared to the combination of NaCl and KCl salts, highlighting the implication of CaCl2 on increased lipolysis reactions. Moreover, the obtained results from both the analyses suggest that a combination of NaCl and KCl salts can be a good alternative for reducing the sodium content without compromising the quality of the salted meat