WorldWideScience

Sample records for barns

  1. Mor-barn samspillet

    DEFF Research Database (Denmark)

    Røhder, Katrine; Davidsen, Kirstine Agnete; Trier, Christopher Høier;

    2015-01-01

    Denne artikel beskæftiger sig med, hvordan risiko og modstandsdygtighed overføres fra forældre til barn, når mor lider af en alvorlig psykisk lidelse. Vi vil argumentere for, at det er helt centralt at undersøge forældre-barn relationen og det tidlige samspil, hvis man vil forstå spædbarnets...

  2. Klar til barn : Kundskabsoversigt

    DEFF Research Database (Denmark)

    Ertmann, Bo; Guldager, Else; Nørgaard-Nielsen, Sofie

    forældrene er i fare for at reagere voldeligt over for deres børn. Et af de aspekter, der adskiller Klar til barn fra andre lignende projekter i Danmark, er, at forældrekursernes udformning og indhold er baseret på en grundig research af internationale erfaringer med forældreuddannelsestilbud. Konceptet blev...

  3. Det postmoderne barn

    DEFF Research Database (Denmark)

    Hansen, Ole Henrik

    2010-01-01

    Den nye psykologi fokuserer på dynamik og intersubjektivitet, mens den gamle var optaget af faser og udviklingstrin. Den postmoderne forståelse af det lille barn opfatter ikke faserne som aflåste, historiske sandheder, men som levende narrativer. Og så får det nye børnesyn indflydelse på Frode og...

  4. Barn med Asperger syndrom

    OpenAIRE

    Ahlström, Hanna

    2003-01-01

    Det här examensarbetet handlar om barn med Asperger syndrom. Syftet med arbetet var att ta reda på vad Asperger syndrom är och hur man som lärare kan hjälpa dessa elever på bästa sätt. Jag är intresserad av elever som har det svårt och antar att jag någon gång under min tid som lärare kommer att stöta på dessa elever. Arbetet inleds med en teorigenomgång där jag främst går igenom de utmärkande dragen hos barn med Asperger syndrom. Där går jag också bl a igenom orsaker till Asperger och diagn...

  5. Rodenticides in British barn owls.

    Science.gov (United States)

    Newton, I; Wyllie, I; Freestone, P

    1990-01-01

    Out of 145 Barn Owls found dead through accidents (66%), starvation (32%), shooting (2%) and poisoning (Owls for successive periods of 1, 3 and 6 days. All six owls fed on difenacoum-dosed mice survived all three treatments, in which up to an estimated 101.7 microg of difenacoum was consumed, and the coagulation times of their blood returned to near normal in less than 5-23 days. Four of the six owls fed on brodifacoum-dosed mice died 6-17 days after the 1-day treatment, but the survivors also survived the 3-day and 6-day treatments. Those that died had each eaten 3 mice, with a combined weight of about 105g and a total brodifacoum content of about 46.07 microg, which was equivalent to a dose of 0.150-0.182 mg kg(-1) of owl body weight. After death these owls had 0.63-1.25 micro g(-1) of brodifacoum in their livers. Blood from the survivors would not coagulate at 9 days post-treatment, but did so at 16 days in one bird and between 38 and 78 days in the other. It is concluded that: (1) Barn Owls in Britain are now widely exposed to second-generation rodenticides; (2) not all owls exposed to these chemicals are likely to receive a lethal dose; (3) brodifacoum is more toxic to owls than difenacoum; and (4) while there is yet no evidence that rodenticides have had any appreciable effect on Barn Owl populations in Britain, further monitoring of residue levels and population trends in desirable.

  6. Til forsvar for barns spontane lek

    Directory of Open Access Journals (Sweden)

    Einar Sundsdal

    2015-04-01

    Full Text Available Barndommens far, Jean-Jacques Rousseau (1712-1778, og senere, barnehagens grunnlegger, Friedrich Frøbel (1782-1852, var begge opptatt av barndom og barns mulighet til å tape tid. Dette ble betegnet som negativ pedagogikk og innebar blant annet at barn skulle fordrive tiden med det som passet for barn: lek. Barna skulle få holde på for seg selv, voksne skulle ikke bedrive undervisning, men la barn oppdage verden selv. Disse tankene har vært sentrale for vår moderne forestilling om barndom, og de har vært premissgivende for Barnekonvensjonen som slår fast at alle barn har rett til å leke. Også i dag har leken en sentral posisjon når vi snakker om barndom, men nå knyttes den til en forestilling om å vinne tid. Barn blir nå skjøvet fremover slik at de ikke skal kaste bort tiden - tape tiden - men utnytte den mest mulig effektivt med tanke på et fremtidig resultat. Denne logikken har bidratt til at FN i 2013 gikk ut og advarte om at barns rett til lek er truet. I denne artikkelen vil vi forfølge FNs forsvar for barns spontane lek. Vi vil gjøre dette blant annet ved å vise at lekens egenverdi står stadig sterkere innen en rekke forskningstradisjoner.

  7. Behandlas barn olika? : Smärtskattning på barn efter skoliosoperation

    OpenAIRE

    Karlsson, Linda; Zetterlund, Martin

    2010-01-01

    Inledning: Postoperativ smärta hos barn är fortfarande ett problem trots förbättrade arbetsrutiner och smärtbehandling. Smärtskattning på barn och speciellt barn med kognitiva nedsättningar kräver att sjuksköterskorna har kunskap om tillgängliga smärtskattningsinstrument. På så vis ges alla barn möjlighet att smärtskattas. Syfte: Att undersöka hur ofta sjuksköterskor smärtskattar barn som opereras för skolios postoperativt. Design: En retrospektiv studie. Metod: Journalgranskningen genomförde...

  8. A survey of Italian compost dairy barns

    Directory of Open Access Journals (Sweden)

    Lorenzo Leso

    2013-12-01

    Full Text Available Compost-bedded pack barns (CBPB, generally known as compost dairy barns, are alternative housing systems for dairy cows. In these barns, the whole surface of the resting area is covered with a deepbedded pack that is frequently stirred in order to incorporate fresh manure into the pack and to enhance the evaporation of water. Experiences with CBPB for dairy cows are reported in literature from the US, Israel, the Netherlands and Austria. Potential advantages of these housing systems regard animal welfare and manure management. Since 2006, this housing system has been widely applied in Italy. However, there is still little scientific knowledge available about Italian CBPB. This study aims to describe the housing system, assess producers’ satisfaction and measure performance of dairy cows housed in CBPB. Ten commercial dairy farms in northern Italy were involved in the study. All pens in each farm were surveyed to determine the total available surface area, bedded area and pack depth. A questionnaire was submitted to each farm manager in order to investigate management practices, labour requirement, amount of bedding materials used and producers’ satisfaction. The temperature of the bedded pack was measured in summer and in winter. Data from the Italian Dairy Association were collected for each herd over a period of one year (from September 2011 to September 2012. In the barns involved in the study, the average total available area was 10.9 m2/cow and the average pack area was 6.7 m2/cow. The bedded pack was aerated 1.4 times per day.The most commonly used bedding material in these farms was dry sawdust. The consumption of bedding materials was 8.1 m3/cow per year. A tendency towards inverse correlation was found between the space per cow and the amount of bedding needed per cow (R2=0.395; P=0.051. Operations related to pack management required 4.1 hours of labour per cow per year. A direct relationship was found between the bedded area space

  9. Barn og unge i det nye medielandskapet

    OpenAIRE

    Basmadjian, Elias

    2014-01-01

    Denne masteroppgaven tar for seg hvordan den digitale utviklingen fører til utfordringer i samfunnet. Gjennom å drøfte begrepet mediedanning tar den for seg hvordan denne utviklingen fører til at dagens barn og unge som blir født inn og vokser opp i et samfunn som er grunnleggende annerledes enn for bare noen år siden. Ettersom tilgangen på digitale nyvinninger og sosiale medier er «allestedsnærværende» stiller dette også krav til deres evne til å forstå og bruke denne teknologien på en bærek...

  10. Pulmonary effects of exposure to pig barn air

    Directory of Open Access Journals (Sweden)

    Singh Baljit

    2006-06-01

    Full Text Available Abstract Swine production has undergone rapid transformation from family owned operation to a large scale industrial enterprise. Since increasing number of pigs are reared on a large scale in confined buildings, some of the swine barn workers may be employed to work eight hours per day. Swine barn workers suffer from higher incidences of impaired air flow and lung inflammation, which is attributed to high intensity and interrupted exposures to pig barn air. The air in these barns contains gases, dust, microbes and endotoxin with endotoxin being the major suspect as the cause of lung dysfunction. This review attempts to describe the current state of knowledge of incidences and mechanisms of pulmonary dysfunction following exposure to the barn air.

  11. 22 Matt Barnes 再出发

    Institute of Scientific and Technical Information of China (English)

    Husky

    2008-01-01

    太阳队·前锋·201厘米·28岁上季成绩·6.7分·42.3%投篮·4.4篮板如果你是我们的忠实读者,就会发现巴恩斯(Matt Barnes)在过去13个月内已经第三度登上这个单元了。究竟,这位生涯单季平均得分从没超过10分的球员,有何值得我们一再报导的地方呢?

  12. Marknadsföring till barn : Etik och ansvar

    OpenAIRE

    Haire, Miranda

    2013-01-01

    Detta examensarbete handlar om marknadsföring till barn, samt etiken och ansvaret kring ämnet. Ansvaret ligger mestadels hos marknadsförarna och föräldrarna. Marknadsföring till barn bedöms strängare av juridiska bestämmelser än vanlig marknadsföring, eftersom att barn är mera mottagliga och inte har samma erfarenhet som vuxna. Syftet med detta examensarbete är att få fram allmänt om marknadsföring till barn, etiska frågeställningar, samhällsansvaret samt ansvaret hos marknadsförare, föräldra...

  13. Otoacoustic interrelationships of the barn owl

    Science.gov (United States)

    Bergevin, Christopher; Manley, Geoffrey A.; Köppl, Christine

    2015-12-01

    Significant debate still exists about the biophysical mechanisms at work in otoacoustic emission (OAE) generation and how such may differ between mammals and non-mammals given gross morphological differences (e.g., existence of basilar membrane traveling waves, degree of tectorial membrane coupling). To further elucidate general principles at work, we examined the barn owl for interrelationships between spontaneous emissions (SOAEs) and those evoked using a single tone (SFOAEs). First, most ears exhibited SOAEs as a stable periodic `rippling' whose peak-to-peak spacing was relatively constant (˜0.4 kHz). Some ears showed substantially larger narrowband peaks, although their statistical distributions were highly noisy. Second, significant interactions between a low-level tone and SOAE activity were observed via an interference pattern as the tone frequency was swept. Using a suppression paradigm to extract SFOAEs as the residual, the magnitude exhibited a stable pattern of peaks and valleys unique to each ear. Third, SFOAE phase exhibited significant accumulation as frequency was swept, with a phase-gradient delay of approximately 2 ms that was constant across frequency. The amount of SFOAE phase accumulation between adjacent SOAE peaks tended to cluster about an integral number of cycles, as previously observed for humans. Taken together, our data suggest that the principles underlying how active hair cells work together (e.g., entrainment, phase coherence) are shared between widely different inner ear morphologies, leading to the generation of OAEs with similar properties.

  14. Adaptation potential of naturally ventilated barns to high temperature extremes: The OptiBarn project

    Science.gov (United States)

    Menz, Christoph

    2016-04-01

    Climate change interferes with various aspects of the socio-economic system. One important aspect is its influence on animal husbandry, especially dairy faming. Dairy cows are usually kept in naturally ventilated barns (NVBs) which are particular vulnerable to extreme events due to their low adaptation capabilities. An effective adaptation to high outdoor temperatures for example, is only possible under certain wind and humidity conditions. High temperature extremes are expected to increase in number and strength under climate change. To assess the impact of this change on NVBs and dairy cows also the changes in wind and humidity needs to be considered. Hence we need to consider the multivariate structure of future temperature extremes. The OptiBarn project aims to develop sustainable adaptation strategies for dairy housings under climate change for Europe, by considering the multivariate structure of high temperature extremes. In a first step we identify various multivariate high temperature extremes for three core regions in Europe. With respect to dairy cows in NVBs we will focus on the wind and humidity field during high temperature events. In a second step we will use the CORDEX-EUR-11 ensemble to evaluate the capability of the RCMs to model such events and assess their future change potential. By transferring the outdoor conditions to indoor climate and animal wellbeing the results of this assessment can be used to develop technical, architectural and animal specific adaptation strategies for high temperature extremes.

  15. REDESIGN OF COMMONLY USED TOBACCO CURING BARNS IN ZIMBABWE FOR INCREASED ENERGY EFFICIENCY

    Directory of Open Access Journals (Sweden)

    SPECIAL MUSONI

    2013-03-01

    Full Text Available In Zimbabwe two types of barns are commonly used for tobacco curing, namely the traditional and Rocket barns. The traditional barn and the Rocket Barn loose 98.5% and 55.6% of the energy supplied respectively. The latter is 43.6% more thermally efficient than the traditional barn. There is, however, potential of increasing the energy efficiency of both barns. In this study, a design that incorporates structural changes to reduce heat loss as well as recovery of heat was developed. The design is a combination of commercially available components, and allows for ventilation heat re-use and increased heat transfer from furnace ducts to the drying chamber. The structure was found to be 54.7% more thermally efficient than the Rocket barn and 74.2% more efficient than the traditional barn. The new design needs to be field-tested so that it can be adopted by tobacco farmers.

  16. MBsums. A Mathematica package for the representation of Mellin-Barnes integrals by multiple sums

    Energy Technology Data Exchange (ETDEWEB)

    Ochman, Michal; Riemann, Tord

    2015-11-15

    Feynman integrals may be represented by the Mathematica package AMBRE and MB as multiple Mellin-Barnes integrals. With the Mathematica package MBsums we transform these Mellin-Barnes integrals into multiple sums.

  17. Barns psykosociala hälsa i skolmiljö

    OpenAIRE

    Nysand, Maria; Hannus, Martina; Jaakkola, Riina

    2010-01-01

    Vårt examensarbete ingår i ett delprojekt i KLUCK2 och syftar till att undersöka skolan som fysisk och psykosocial miljö. Ämnesområdet för examensarbetet är barns psyko-sociala hälsa i relation till mobbning, stress och trivsel i skolmiljö. Syftet med vår studie är att undersöka vad som uppmärksammas i ny forskning kring barns psykosociala hälsa och vilka faktorer som framkallar psykosocial ohälsa eller hälsa hos barn i skolan. Detta examensarbete genomförs som en litteraturstudie. Under...

  18. Design methodology for the robotic milking barn : modelling, simulation, validation and optimization

    NARCIS (Netherlands)

    Halachmi, I.

    1999-01-01

    The traditional barn design is a milking parlour oriented. To integrate a milking robot the barn should be redesigned according to the robotic milking concept. The entire system (barn design, feeding and cow-traffic routines, management practices) should encourage 'voluntary milking', i.e., it shoul

  19. Bedded pack barns for dairy cattle in the Netherlands

    NARCIS (Netherlands)

    Galama, P.J.; Boer, de H.C.; Dooren, van H.J.C.; Ouweltjes, W.; Poelarends, J.J.; Driehuis, F.

    2014-01-01

    The bedded pack barn offers good perspective on animal welfare, animal health and public perception, but has disadvantages in terms of mineral management (nitrogen losses and fertilising value) and the presence of TAS (Thermophilic Aerobic Spore formers). Bedded packs with compost have a too high am

  20. Spatial and Nonspatial Escape Strategies in the Barnes Maze

    Science.gov (United States)

    Harrison, Fiona E.; Reiserer, Randall S.; Tomarken, Andrew J.; McDonald, Michael P.

    2006-01-01

    The Barnes maze is a spatial memory task that requires subjects to learn the position of a hole that can be used to escape the brightly lit, open surface of the maze. Two experiments assessed the relative importance of spatial (extra-maze) versus proximal visible cues in solving the maze. In Experiment 1, four groups of mice were trained either…

  1. Barn music at St Donat's castle / Philip Gross

    Index Scriptorium Estoniae

    Gross, Philip, 1952-

    2011-01-01

    Muusikafestivalist "Vale of Glamorgan", mis oli 2010. a. pühendatud Arvo Pärdile. Eesti kammermuusikaansambli Resonabilis kavas oli ka festivali tellimusel valminud uelsi helilooja Gareth Peredur Churchilli "Vocable", mille teksti kirjutas Philip Gross. Festivalikontsertide muljeid leiab Grossi luuletsüklis "Barn music" (avaldatud samas ajakirjanumbris, lk. 42-43)

  2. Evaluating multiloop Feynman integrals by Mellin-Barnes representation

    CERN Document Server

    Smirnov, V A

    2004-01-01

    The status of analytical evaluation of double and triple box diagrams is characterized. The method of Mellin-Barnes representation as a tool to evaluate master integrals in these problems is advocated. New MB representations for massive on-shell double boxes with general powers of propagators are presented.

  3. Barnes maze testing strategies with small and large rodent models.

    Science.gov (United States)

    Rosenfeld, Cheryl S; Ferguson, Sherry A

    2014-02-26

    Spatial learning and memory of laboratory rodents is often assessed via navigational ability in mazes, most popular of which are the water and dry-land (Barnes) mazes. Improved performance over sessions or trials is thought to reflect learning and memory of the escape cage/platform location. Considered less stressful than water mazes, the Barnes maze is a relatively simple design of a circular platform top with several holes equally spaced around the perimeter edge. All but one of the holes are false-bottomed or blind-ending, while one leads to an escape cage. Mildly aversive stimuli (e.g. bright overhead lights) provide motivation to locate the escape cage. Latency to locate the escape cage can be measured during the session; however, additional endpoints typically require video recording. From those video recordings, use of automated tracking software can generate a variety of endpoints that are similar to those produced in water mazes (e.g. distance traveled, velocity/speed, time spent in the correct quadrant, time spent moving/resting, and confirmation of latency). Type of search strategy (i.e. random, serial, or direct) can be categorized as well. Barnes maze construction and testing methodologies can differ for small rodents, such as mice, and large rodents, such as rats. For example, while extra-maze cues are effective for rats, smaller wild rodents may require intra-maze cues with a visual barrier around the maze. Appropriate stimuli must be identified which motivate the rodent to locate the escape cage. Both Barnes and water mazes can be time consuming as 4-7 test trials are typically required to detect improved learning and memory performance (e.g. shorter latencies or path lengths to locate the escape platform or cage) and/or differences between experimental groups. Even so, the Barnes maze is a widely employed behavioral assessment measuring spatial navigational abilities and their potential disruption by genetic, neurobehavioral manipulations, or drug

  4. Drinking and Cleaning Water Use in a Dairy Cow Barn

    Directory of Open Access Journals (Sweden)

    Michael Krauß

    2016-07-01

    Full Text Available Water is used in dairy farming for producing feed, watering the animals, and cleaning and disinfecting barns and equipment. The objective of this study was to investigate the drinking and cleaning water use in a dairy cow barn. The water use was measured on a well-managed commercial dairy farm in North-East Germany. Thirty-eight water meters were installed in a barn with 176 cows and two milking systems (an automatic milking system and a herringbone parlour. Their counts were logged hourly over 806 days. On average, the cows in the automatic milking system used 91.1 (SD 14.3 L drinking water per cow per day, while those in the herringbone parlour used 54.4 (SD 5.3 L per cow per day. The cows drink most of the water during the hours of (natural and artificial light in the barn. Previously published regression functions of drinking water intake of the cows were reviewed and a new regression function based on the ambient temperature and the milk yield was developed (drinking water intake (L per cow per day = −27.937 + 0.49 × mean temperature + 3.15 × milk yield (R2 = 0.67. The cleaning water demand had a mean of 28.6 (SD 14.8 L per cow per day in the automatic milking system, and a mean of 33.8 (SD 14.1 L per cow per day in the herringbone parlour. These findings show that the total technical water use in the barn makes only a minor contribution to water use in dairy farming compared with the water use for feed production.

  5. John Dewey's Socially Instrumental Practice at the Barnes Foundation and the Role of "Transferred Values" in Aesthetic Experience

    Science.gov (United States)

    Johnson, Margaret Hess

    2012-01-01

    When Albert Barnes established an art education program at the Barnes Foundation in 1924, he asked John Dewey to become the first president and director of education. Barnes and Dewey enjoyed a sustained and fruitful relationship with regard to aesthetic experience and scientific theory as applied to education. Barnes and Dewey shared a serious…

  6. Mellin-Barnes Representation of the Topological String

    CERN Document Server

    Krefl, Daniel

    2015-01-01

    We invoke integrals of Mellin-Barnes type to analytically continue the Gopakumar-Vafa resummation of the topological string free energy in the string coupling constant, leading to additional non-perturbative terms. We also discuss in a similar manner the refined and Nekrasov-Shatashvili limit version thereof. The derivation is straight-forward and essentially boils down to taking residue. This allows us to confirm some related conjectures in the literature at tree-level.

  7. Det raske og det syge nyfødte barn

    DEFF Research Database (Denmark)

    Peitersen, Birgit; Pedersen, Pernille; Pryds, Ole

    NEONATOLOGI er en lære- og håndbog om det raske og det syge nyfødte barn. Den henvender sig især til sundhedspersonale, der arbejder med nyfødte børn – herunder sygeplejersker, jordemødre og medicinske kandidater. I de første kapitler gennemgås almene emner som fosterets udvikling, muligheder...

  8. Annual Report of Monitoring at Barnes, Kansas, in 2012

    Energy Technology Data Exchange (ETDEWEB)

    LaFreniere, Lorraine M. [Argonne National Lab. (ANL), Argonne, IL (United States)

    2013-06-01

    Barnes, Kansas, is a small rural community (population approximately 150) located in Washington County, in north-central Kansas (Figure 1.1). Barnes is located in Section 9, Township 4 South, Range 5 East, at approximate latitude 39°43'0'' north and longitude 96°52'25'' west (USGS 1968). The city lies in a transition zone between the Flint Hills and the glaciated region. The area’s topography consists of gently sloping hills of Pleistocene loess (< 20 ft) overlying a shale unit and interbedded shale, limestone, and siltstone of the Permian Chase Group. Groundwater for the public water supply is obtained from wells PWS2 and PWS3 at reported depths of 155 ft and 160 ft, respectively, located in the northwestern portion of the city. The water is produced from the bedrock aquifer of the Chase Group. Section 2 summarizes the hydrogeologic conceptual site model. This report summarizes findings for groundwater inspection in Barnes.

  9. Temperature distribution of air source heat pump barn with different air flow

    Science.gov (United States)

    He, X.; Li, J. C.; Zhao, G. Q.

    2016-08-01

    There are two type of airflow form in tobacco barn, one is air rising, the other is air falling. They are different in the structure layout and working principle, which affect the tobacco barn in the distribution of temperature field and velocity distribution. In order to compare the temperature and air distribution of the two, thereby obtain a tobacco barn whose temperature field and velocity distribution are more uniform. Taking the air source heat pump tobacco barn as the investigated subject and establishing relevant mathematical model, the thermodynamics of the two type of curing barn was analysed and compared based on Fluent. Provide a reasonable evidence for chamber arrangement and selection of outlet for air source heat pump tobacco barn.

  10. Compost bedded pack dairy barn management, performance, and producer satisfaction.

    Science.gov (United States)

    Black, R A; Taraba, J L; Day, G B; Damasceno, F A; Bewley, J M

    2013-01-01

    The objective of the research was to characterize herd performance, producer satisfaction and recommendations, and management practices used by compost bedded pack (CBP) managers in Kentucky (42 farms and 47 CBP facilities). Farms were visited between October 2010 and March 2011. A random selection of cows housed solely in the CBP were scored for locomotion and hygiene. Changes in monthly Dairy Herd Improvement Association performance records, including milk production, SCC, reproductive performance, and daily bulk-tank somatic cell count after moving into the CBP were analyzed using the MIXED procedure of SAS (SAS 9.3; SAS Institute Inc., Cary, NC). The GLM procedure of SAS (SAS 9.3) was used to develop models to describe CBP moisture, CBP temperature at 20.3 cm, and mean herd hygiene. Producers provided 9.0 ± 2.2 m2 of pack space per cow (n = 44). Barns constructed with an attached feed alley cost $1,051 ± 407 per cow (n = 40). Barns constructed without an attached feed alley cost $493 ± 196 per cow (n = 13). Kiln-dried shavings required 0.05 ± 0.04 m3 of bedding per cow per day (n = 15). Green shavings required 0.07 ± 0.06 m3 of bedding per cow per day (n = 12). The most-frequently cited benefits of the CBP included cow comfort (n = 28), cow cleanliness (n = 14), and the low-maintenance nature of the system (n = 10). Increased stirring frequency, stirring depth, and ambient temperature increased pack temperature, measured at 20.3 cm below the CBP surface. Increased stirring depth, pasture-adjusted space per cow, and drying rate decreased CBP moisture. Mean herd locomotion and hygiene scores were 1.5 ± 0.3 (n = 34) and 2.2 ± 0.4 (n = 34), respectively. Increased 20.3-cm depth CBP temperature and ambient temperatures improved mean herd hygiene. Bulk-tank somatic cell count decreased from the year before to the year after moving into the CBP barn (323,692 ± 7,301 vs. 252,859 ± 7,112 cells/mL, respectively) for farms using the CBP barn as the primary

  11. EMDR-behandling  : Barns och ungdomars upplevelser en kvalitetssäkringsstudie 

    OpenAIRE

    Fredin, Ingela

    2005-01-01

    Föreliggande studie är dels ett led i att kvalitetssäkra EMDR (Eye Movement Desensitization and Reprocessing) som behandlingsmetod för barn och ungdomar och dels att utröna om behandlingen bidragit till ett förbättrat mående. EMDR som behandlingsmetod för barn och ungdomar har stöd i kontrollerade studier, men ytterligare forskning behövs. I den här studien deltog åtta barn och ungdomar med varierande diagnoser, vilka fått EMDR-behandling i barn- och ungdomspsykiatrisk öppenvård. Behandlingen...

  12. Designing the optimal robotic milking barn, Part 1: Quantifying facility usage

    NARCIS (Netherlands)

    Halachmi, I.; Metz, J.H.M.; Maltz, E.; Dijkhuizen, A.A.; Speelman, L.

    2000-01-01

    The aim of this paper is to explore the stochastic nature of the usage of facilities in a robotic milking barn, independent of the barn layout. It presents experimental data obtained by monitoring 10 dairy cows over a period of 18 days. To minimize restrictions to the access of cows to the facilitie

  13. Social interactions of dairy cows introduced postpartally to a separated barn section - pilot study

    DEFF Research Database (Denmark)

    Burow, Elke; Nielsen, Tine Rousing; Halekoh, Ulrich;

    2009-01-01

    The hypothesis of reduced social activity of early lactating dairy cows when transferred postpartally to a separated barn section (S, group size 9.3 SD 2.1) vs. to a barn section of the main lactating herd (H, group size 130.1 SD 57.9) was tested. Social interactions of 12 cows in S and 14 cows i...

  14. Designing the optimal robotic milking barn, part 2: behaviour-based simulation

    NARCIS (Netherlands)

    Halachmi, I.

    2000-01-01

    Robotic milking affects factors that determine the barn layout, such as cow behaviour, farm routine, feeding procedure and management practices. As there is hardly any experience with robotic barns, and each farmer has his own management attitude, depending on his personality and local conditions; t

  15. Unheralded Historian: Mary Sheldon Barnes and Primary Source Material in History Books

    Science.gov (United States)

    Chisholm, James A., Jr.

    2013-01-01

    In the latter part of the nineteenth century, Mary Sheldon Barnes emerged as a leading historical methods professor and history textbook author. Although men dominated the field, she wrote several articles and books alone or with her husband Earl Barnes about primary source materials and teaching. She lived during an era in United States history…

  16. Designing the optimal robotic milking barn by applying a queuing network approach

    NARCIS (Netherlands)

    Halachmi, I.; Adan, I.J.B.F.; Wald, van der J.; Beek, van P.; Heesterbeek, J.A.P.

    2003-01-01

    The design of various conventional dairy barns is based on centuries of experience, but there is hardly any experience with robotic milking barns (RMB). Furthermore, as each farmer has his own management practices, the optimal layout is `site dependent¿. A new universally applicable design methodolo

  17. Barnes Ice Cap South Dome Trilateration Net Survey Data 1970-1984

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The Barnes Ice Cap data set contains survey measurements of a network of 43 stakes along a 10 km flow line on the northeast flank of the south dome of the Barnes Ice...

  18. Barns kommunikasjon med ulike typer kart - en progressiv tilnærming til kartlesing

    Directory of Open Access Journals (Sweden)

    Trine Bjerva

    2011-11-01

    Full Text Available Utgangspunktet for denne studien er en erkjennelse av hvor vanskelig det kan være for barn å samhandle med det symbolske kartet. Hovedmålet for prosjektet var å utvikle sikrere viten om hvordan barn kommuniserer med ulike typer kart. Det er utarbeidet en modell (Bjerva, Græsli, & Sigurjónsson, 2010 som viser hvordan vi kan utvikle ferdigheten kartlesing hos barn. Vi har undersøkt 106 barn i alderen 3 til 12 år om hvordan de mestrer direkte representasjoner (detaljfoto og perspektiv representasjoner (håndtegnet skråkart. Forskningsdesignet har en økologisk tilnærming hvor datainnsamlingen har foregått i terrenget. Resultatene indikerer at selv små barn mestrer antatt kompliserte oppgaver når de blir presentert for enkle hjelpemidler.

  19. New four-dimensional integrals by Mellin-Barnes transform

    CERN Document Server

    Allendes, Pedro; Kondrashuk, Igor; Cuello, Eduardo A Notte

    2009-01-01

    This paper is devoted to the calculation by Mellin-Barnes transform of a especial class of integrals. It contains double integrals in the position space in d = 4-2e dimensions, where e is parameter of dimensional regularization. These integrals contribute to the effective action of the N = 4 supersymmetric Yang-Mills theory. The integrand is a fraction in which the numerator is a logarithm of ratio of spacetime intervals, and the denominator is the product of powers of spacetime intervals. According to the method developed in the previous papers, in order to make use of the uniqueness technique for one of two integrations, we shift exponents in powers in the denominator of integrands by some multiples of e. As the next step, the second integration in the position space is done by Mellin-Barnes transform. For normalizing procedure, we reproduce first the known result obtained earlier by Gegenbauer polynomial technique. Then, we make another shift of exponents in powers in the denominator to create the logarith...

  20. Annual report of monitoring at Barnes, Kansas, in 2010.

    Energy Technology Data Exchange (ETDEWEB)

    LaFreniere, L. M. (Environmental Science Division)

    2011-05-25

    The Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) operated a grain storage facility at Barnes, Kansas, in 1949-1974. Carbon tetrachloride contamination was initially detected in 1986 in the town's public water supply wells. In 2006-2007, the CCC/USDA conducted a comprehensive targeted investigation at and near its former property in Barnes to characterize this contamination. Those results were reported previously (Argonne 2008a). The results of that investigation indicated that carbon tetrachloride contamination is present in groundwater at low to moderate levels in the vicinity of the former CCC/USDA grain storage facility. Information obtained during the 2006-2007 investigation also indicated that at least one other potential source might have contributed to the groundwater contaminant plume (Argonne 2008a). The former agriculture building owned by the local school district, located immediately east of well PWS3, is also a potential source of the contamination. In November 2007, the CCC/USDA began periodic groundwater monitoring at Barnes. The monitoring is being conducted on behalf of the CCC/USDA by Argonne National Laboratory, under the direction of the Kansas Department of Health and Environment (KDHE). The objective is to monitor the carbon tetrachloride contamination identified in the groundwater at Barnes. Through 2010, sampling was conducted in a network of 28 individual monitoring wells (at 19 distinct locations), 2 public water supply wells, and 1 private well (Figure 1.1). The results of the 2006-2007 targeted investigation and the subsequent monitoring events (Argonne 2008a-d, 2009a,b, 2010) demonstrated the presence of carbon tetrachloride contamination in groundwater at levels exceeding the KDHE Tier 2 risk-based screening level (RBSL) of 5.0 {micro}g/L for this compound. The contaminant plume appears to extend from the former CCC/USDA property northwestward, toward the Barnes public water supply wells. Long

  1. Analysis of Temperature and Humidity Field in a New Bulk Tobacco Curing Barn Based on CFD

    Science.gov (United States)

    Bai, Zhipeng; Guo, Duoduo; Li, Shoucang; Hu, Yaohua

    2017-01-01

    A new structure bulk tobacco curing barn was presented. To study the temperature and humidity field in the new structure tobacco curing barn, a 3D transient computational fluid dynamics (CFD) model was developed using porous medium, species transport, κ-ε turbulence and discrete phase models. The CFD results demonstrated that (1) the temperature and relative humidity predictions were validated by the experimental results, and comparison of simulation results with experimental data showed a fairly close agreement; (2) the temperature of the bottom and inlet area was higher than the top and outlet area, and water vapor concentrated on the top and outlet area in the barn; (3) tobacco loading density and thickness of tobacco leaves had an explicit effect on the temperature distributions in the barn. PMID:28146128

  2. Chicken barn climate and hazardous volatile compounds control using simple linear regression and PID

    Science.gov (United States)

    Abdullah, A. H.; Bakar, M. A. A.; Shukor, S. A. A.; Saad, F. S. A.; Kamis, M. S.; Mustafa, M. H.; Khalid, N. S.

    2016-07-01

    The hazardous volatile compounds from chicken manure in chicken barn are potentially to be a health threat to the farm animals and workers. Ammonia (NH3) and hydrogen sulphide (H2S) produced in chicken barn are influenced by climate changes. The Electronic Nose (e-nose) is used for the barn's air, temperature and humidity data sampling. Simple Linear Regression is used to identify the correlation between temperature-humidity, humidity-ammonia and ammonia-hydrogen sulphide. MATLAB Simulink software was used for the sample data analysis using PID controller. Results shows that the performance of PID controller using the Ziegler-Nichols technique can improve the system controller to control climate in chicken barn.

  3. Improvement of directionality and sound-localization by internal ear coupling in barn owls

    DEFF Research Database (Denmark)

    Wagner, Hermann; Christensen-Dalsgaard, Jakob; Kettler, Lutz

    Mark Konishi was one of the first to quantify sound-localization capabilities in barn owls. He showed that frequencies between 3 and 10 kHz underlie precise sound localization in these birds, and that they derive spatial information from processing interaural time and interaural level differences....... However, despite intensive research during the last 40 years it is still unclear whether and how internal ear coupling contributes to sound localization in the barn owl. Here we investigated ear directionality in anesthetized birds with the help of laser vibrometry. Care was taken that anesthesia...... time difference in the low-frequency range, barn owls hesitate to approach prey or turn their heads when only low-frequency auditory information is present in a stimulus they receive. Thus, the barn-owl's sound localization system seems to be adapted to work best in frequency ranges where interaural...

  4. Evaluating two-loop massive operator matrix elements with Mellin-Barnes integrals

    Energy Technology Data Exchange (ETDEWEB)

    Bierenbaum, I.; Bluemlein, J.; Klein, S.

    2006-07-15

    We calculate massive 5-propagator 2-loop integrals for operator matrix elements in the light-cone expansion, using Mellin-Barnes techniques and representations through generalized hypergeometric functions. (Orig.)

  5. Reliable low-cost devices for monitoring ammonia concentrations and emissions in naturally ventilated dairy barns.

    Science.gov (United States)

    Wang, Xiang; Ndegwa, Pius M; Joo, HungSoo; Neerackal, George M; Harrison, Joseph H; Stöckle, Claudio O; Liu, Heping

    2016-01-01

    This research investigated the use of two relatively cost-effective devices for determining NH3 concentrations in naturally ventilated (NV) dairy barns including an Ogawa passive sampler (Ogawa) and a passive flux sampler (PFS). These samplers were deployed adjacent to sampling ports of a photoacoustic infrared multigas spectroscope (INNOVA), in a NV dairy barn. A 3-day deployment period was deemed suitable for both passive samplers. The correlations between concentrations determined with the passive samplers and the INNOVA were statistically significant (r = 0.93 for Ogawa and 0.88 for PFS). Compared with reference measurements, Ogawa overestimated NH3 concentrations in the barn by ∼ 14%, while PFS underestimated NH3 concentrations by ∼ 41%. Barn NH3 emission factors per animal unit (20.6-21.2 g d(-1) AU(-1)) based on the two passive samplers, after calibration, were similar to those obtained with the reference method and were within the range of values reported in literature.

  6. Rehabilitation of farmhouses and barns: limits of salt content

    Science.gov (United States)

    De Clercq, Hilde; Godts, Sebastiaan

    2016-09-01

    The rehabilitation of historic buildings is a practice that aims to turn a historic property into a state of contemporary comfort for private or commercial use, while preserving its historic, architectural and cultural value, respecting items of authenticity, compatibility and sustainability. What once was a modest use of locally fired brick and mortar has become the subject of ambitious rehabilitation campaigns conforming to the rules of comfort and hygiene of the twenty-first century. A pre-investigation concerning the diagnosis of damage phenomena and the risk assessment of interventions is a crucial aspect for the success of a restoration campaign. The question of "How to optimally preserve a monument within its current conditions" is replaced by "How can a monument optimally perform in the conditions suited to the assigned rehabilitation project". Today historic farms and their surroundings, after being abandoned for several decades, are the subject of different types of private or commercial rehabilitation projects. An example of such a project is the farm "Hof De Pleyne" in Loppem (West-Flanders, Belgium). The project intended to integrate a restaurant kitchen into the former animal barn. The limits of salt content with respect to the desired rehabilitation facilities while respecting safety regulations are presented.

  7. Characterization of Staphylococcus xylosus isolated from broiler chicken barn bioaerosol.

    Science.gov (United States)

    Vela, Javier; Hildebrandt, Kelsie; Metcalfe, Andrew; Rempel, Heidi; Bittman, Shabtai; Topp, Edward; Diarra, Moussa

    2012-12-01

    In this study we isolated and characterized Staphylococcus xylosus, a coagulase-negative staphylococcal species considered as commensal and one of the prevalent staphylococcal species found in poultry bioaerosol. Isolates were obtained using air samplers and selective phenylethyl alcohol agar for gram-positive bacteria during 35-d periods at different times of the day. A total of 200 colonies were recovered and after basic biochemical tests were performed, presumptive staphylococci were subsequently identified by API Staph strips. A total of 153 (76.5%) staphylococci were found, among which 84 were S. xylosus (46 and 38 isolated inside and outside, respectively). Biofilm formation was observed in 86.9% of S. xylosus isolates, whereas 79.8% of them showed hemolytic activity. There was a strong correlation (92.5%) between biofilm formation and hemolytic activity. All 84 S. xylosus isolates were susceptible to amikacin, ampicillin/sulbactam, chloramphenicol, ciprofloxacin, gentamycin, kanamycin, linezolid, trimethoprim/sulfamethoxazole, and vancomycin. Resistance to nalidixic acid (86.9%), novobiocin (85.7%), penicillin (70.2%), lincomycin (46.4%), oxacillin (42.9%), ampicillin (27.4%), tetracycline (21.4%), erythromycin (11.9%), bacitracin (10.7%), and streptomycin (2.4%) was observed among the isolates. Resistance to tetracycline, lincomycin, erythromycin, and β-lactam antibiotics was occasionally linked to the tetK, linA, ermB, and blaZ genes, respectively. Random amplification of polymorphic DNA results showed similarity of 15 to 99% between isolates collected outside and inside the barn, indicating genetic diversity of these isolates. Our study indicates that characterization of poultry bioaerosol coagulase-negative staphylococcal species such as S. xylosus is necessary for assessing their safety status for both poultry and humans.

  8. Memory Revisited in Julian Barnes's The Sense of an Ending

    Directory of Open Access Journals (Sweden)

    Maricel Oró Piqueras

    2014-02-01

    Full Text Available An accumulation of years brings with it an accumulation of experiences. The revision of such experiences usually becomes more recurrent after retirement, a transition time from one period of life to another and, as such, a time in which we, human beings, have a tendency to take stock of our lives. This is actually one of the main issues present in Julian Barnes's last novel The Sense of an Ending (2011. When the main protagonist, a retired man quite comfortable and contented with his present life, receives an unexpected inheritance from the mother of a girlfriend from his university years, he is forced to track down a part of his life that he had left at the back of his mind a long time ago. As he explains his story, the protagonist and narrator of the novel raises a number of questions related to the quality and function of memory as one gets into old age. He experiments the unreliability of memory and questions to what extent memory is constructed through the remembered emotions that invaded him over that episode of his life rather than through the events as they actually took place. On the other hand, the act of revisiting and revising that specific episode, brings with it feelings of guilt and remorse as the protagonist realises that his past acts were not as noble as he remembered them to be. However, these acts are part of the past and they cannot be changed; thus, another question that the novel raises is how to account for those actions of which one does not feel proud and, more importantly, how to manage those bad memories as one gets older

  9. Analysis of thermal characteristics of electrical wiring for load groups in cattle barns.

    Science.gov (United States)

    Kim, Doo Hyun; Yoo, Sang-Ok; Kim, Sung Chul; Hwang, Dong Kyu

    2015-01-01

    The purpose of the current study is to analyze the thermal characteristics of electrical wirings depending on the number of operating load by connecting four types of electrical wirings that are selected by surveying the conditions for the electric fans, automatic waterers and halogen warm lamps that were installed in cattle barns in different years. The conditions of 64 cattle barns were surveyed and an experimental test was conducted at a cattle barn. The condition-survey covered inappropriate design, construction and misuse of electrical facility, including electrical wiring mostly used, and the mode of load current was evaluated. The survey showed that the mode of load current increased as the installation year of the fans, waterers and halogen lamps became older. Accordingly, the cattle barn manager needed to increase the capacity of the circuit breaker, which promoted the degradation of insulation of the electrical wires' sheath and increased possibility for electrical fires in the long-run. The test showed that the saturation temperature of the wire insulated sheath increased depending on the installation year of the load groups, in case of VCTFK and VFF electric wires, therefore, requiring their careful usage in the cattle barns.

  10. Performance and carcass characteristics of finishing beef cattle managed in a bedded hoop-barn system.

    Science.gov (United States)

    Honeyman, M S; Busby, W D; Lonergan, S M; Johnson, A K; Maxwell, D L; Harmon, J D; Shouse, S C

    2010-08-01

    The use of bedded hoop barns in finishing systems for beef cattle has not been widely researched. In this management system, beef cattle are confined to hoop barns throughout finishing, and bedding is used to absorb animal waste, which results in minimal effluent. The objective of this study was to compare the performance and carcass characteristics of finishing beef steers (n = 1,428) managed in a bedded hoop-barn management system vs. an open-feedlot system with shelter. Six feeding trials were conducted over a 3-yr period. Three trials were conducted during summer-fall and 3 trials were conducted during winter-spring. Crossbred steers were allotted to 3 pens in the hoop-barn system and to 3 pens in the open-lot system (approximately 40 steers per pen in both facility systems). Stocking densities for the steers were 4.65 m(2) per steer in the hoop-barn system and 14.7 m(2) per steer in the open-lot system. The steers were begun on trial weighing 410 and 411 kg (SD = 21), were fed for 102.3 and 103.0 d (SD = 3.8), and were weighed off test at 595 and 602 kg (SD = 21) for the hoop-barn and open-lot systems, respectively. Steer performance measures consisted of ADG, DMI, and G:F. Carcass characteristics were HCW, fat thickness, LM area, KPH percentage, marbling score, USDA yield grade, and USDA quality grade. No year, season, or pen (management system) main effects, or season x management system and year x management system interactions were observed for any of the items measured related to cattle performance or carcass characteristics (P > 0.05). Final mud scores (a subjective evaluation of the amount of soil and manure adhering to the hair coat of the animals) were greater for the steers from the open-lot system compared with those from the hoop-barn system (P < 0.02), suggesting steers in the hoop-barn system carried less mud than steers from the open-lot system. Average daily cornstalk bedding use in the hoop-barn system was 2.3 kg/steer during summer-fall and 2

  11. Low frequency eardrum directionality in the barn owl induced by sound transmission through the interaural canal

    DEFF Research Database (Denmark)

    Kettler, Lutz; Christensen-Dalsgaard, Jakob; Larsen, Ole Næsbye

    2016-01-01

    The middle ears of birds are typically connected by interaural cavities that form a cranial canal. Eardrums coupled in this manner may function as pressure difference receivers rather than pressure receivers. Hereby, the eardrum vibrations become inherently directional. The barn owl also has...... a large interaural canal, but its role in barn owl hearing and specifically in sound localization has been controversial so far. We discuss here existing data and the role of the interaural canal in this species and add a new dataset obtained by laser Doppler vibrometry in a free-field setting....... Significant sound transmission across the interaural canal occurred at low frequencies. The sound transmission induces considerable eardrum directionality in a narrow band from 1.5 to 3.5 kHz. This is below the frequency range used by the barn owl for locating prey, but may conceivably be used for locating...

  12. Low frequency eardrum directionality in the barn owl induced by sound transmission through the interaural canal.

    Science.gov (United States)

    Kettler, Lutz; Christensen-Dalsgaard, Jakob; Larsen, Ole Næsbye; Wagner, Hermann

    2016-10-01

    The middle ears of birds are typically connected by interaural cavities that form a cranial canal. Eardrums coupled in this manner may function as pressure difference receivers rather than pressure receivers. Hereby, the eardrum vibrations become inherently directional. The barn owl also has a large interaural canal, but its role in barn owl hearing and specifically in sound localization has been controversial so far. We discuss here existing data and the role of the interaural canal in this species and add a new dataset obtained by laser Doppler vibrometry in a free-field setting. Significant sound transmission across the interaural canal occurred at low frequencies. The sound transmission induces considerable eardrum directionality in a narrow band from 1.5 to 3.5 kHz. This is below the frequency range used by the barn owl for locating prey, but may conceivably be used for locating conspecific callers.

  13. The Strategy to Increase Women Farmer's Participation in the Program of Village Food Barn in East Java

    Science.gov (United States)

    Yuliatia, Yayuk; Iskaskar, Riyanti

    2016-01-01

    Food Barn Village Programme is one of the government's efforts in achieving household food security which includes four components. The purpose of this study was to develop a strategy to increase women's participation in the Food Barn Village Programme. This research was conducted in three villages in the district of Malang, namely: Village…

  14. Trace metals in primary feathers of the Barn Owl (Tyto alba guttatus) in The Netherlands.

    Science.gov (United States)

    Denneman, W D; Douben, P E

    1993-01-01

    The number of Barn Owls in The Netherlands has been reduced substantially over the last few decades. Death as a result of poisoning seems unlikely, but the pathology of all bird species found dead in The Netherlands between 1975 and 1988 (n = 15 422) shows that 21% of all the birds were contaminated. However, the most important factor responsible for the decline in Barn Owl numbers in The Netherlands has not yet been established. As a part of a new national protection plan for the Barn Owl, the role of heavy metals has been investigated. Concentrations of heavy metals in the primary feathers of the Barn Owl varied according to their position in the wing; especially As, Sb, Fe and Zn whose concentrations depended on the place of the primary feather in the wing and the part of the vane which is used for the monitoring. The HS7 feather vane appears to provide a good estimate, even though the metal concentrations of this feather are always slightly lower than the concentrations in mixed samples of all ten primaries. It is recommended that they are used as a standard. Many factors affect metal concentrations. Increasing levels with age are found, presumably because metals are stored during growth at the end of the feathers as a method of reducing possible harmful effects. No significant correlations were found between the metal concentrations in the organs and those in the feather. Kidney and liver concentrations are always lower than the generally accepted levels for pathological damage of these organs. Even though metal concentrations in Barn Owl feathers are high compared with those reported for other birds in the Netherlands, it is concluded that Barn Owls are not adversely affected by current levels of heavy metal contamination in The Netherlands.

  15. Prey composition modulates exposure risk to anticoagulant rodenticides in a sentinel predator, the barn owl.

    Science.gov (United States)

    Geduhn, Anke; Esther, Alexandra; Schenke, Detlef; Gabriel, Doreen; Jacob, Jens

    2016-02-15

    Worldwide, small rodents are main prey items for many mammalian and avian predators. Some rodent species have pest potential and are managed with anticoagulant rodenticides (ARs). ARs are consumed by target and non-target small mammals and can lead to secondary exposure of predators. The development of appropriate risk mitigation strategies is important and requires detailed knowledge of AR residue pathways. From July 2011 to October 2013 we collected 2397 regurgitated barn owl (Tyto alba) pellets to analyze diet composition of owls on livestock farms in western Germany. 256 of them were fresh pellets that were collected during brodifacoum baiting. Fresh pellets and 742 liver samples of small mammals that were trapped during baiting in the same area were analyzed for residues of ARs. We calculated exposure risk of barn owls to ARs by comparing seasonal diet composition of owls with AR residue patterns in prey species. Risk was highest in autumn, when barn owls increasingly preyed on Apodemus that regularly showed AR residues, sometimes at high concentrations. The major prey species (Microtus spp.) that was consumed most frequently in summer had less potential to contribute to secondary poisoning of owls. There was no effect of AR application on prey composition. We rarely detected ARs in pellets (2 of 256 samples) but 13% of 38 prey individuals in barn owl nests were AR positive and substantiated the expected pathway. AR residues were present in 55% of 11 barn owl carcasses. Fluctuation in non-target small mammal abundance and differences in AR residue exposure patterns in prey species drives exposure risk for barn owls and probably other predators of small mammals. Exposure risk could be minimized through spatial and temporal adaption of AR applications (avoiding long baiting and non-target hot spots at farms) and through selective bait access for target animals.

  16. Representation of spatial and spectro-temporal cues in the midbrain and forebrain of North American barn owls (Tyto furcata pratincola)

    OpenAIRE

    2015-01-01

    The barn owl is a crepuscular and nocturnal bird of prey that relies mainly on its acoustic system for the identification and localization of potential prey. The barn owl is able to localize even faint sounds in a natural environment precisely. Like mammals, barn owls use the interaural time difference (ITD) for the localization of the azimuthal sound source position. In the barn owl’s auditory system, ITD is processed in two separate pathways, the midbrain and forebrain pathways, which are b...

  17. Mellem behovsorientering og regulering - diskurser om det omsorg for det lille barn

    DEFF Research Database (Denmark)

    Pedersen, Oline

    2013-01-01

    En artikel der på baggrund af feltarbejde i den danske sundhedsplejen søger at indfange, hvor diskursen om omsorg for det lille barn befinder sig i spændingsfeltet mellem at regulere barnet eller at følge dets signaler og behov....

  18. Non-planar Feynman diagrams and Mellin-Barnes representations with AMBRE 3.0

    Energy Technology Data Exchange (ETDEWEB)

    Dubovyk, Ievgen [Institute of Electrophysics and Radiation Technologies, Kharkiv (Ukraine); Gluza, Janusz [Univ. of Silesia, Katowice (Poland). Inst. of Physics; Riemann, Tord

    2016-04-15

    We introduce the Mellin-Barnes representation of general Feynman integrals and discuss their evaluation. The Mathematica package AMBRE has been recently extended in order to cover consistently non-planar Feynman integrals with two loops. Prospects for the near future are outlined. This write-up is an introduction to new results which have also been presented elsewhere.

  19. The barn owl wing: an inspiration for silent flight in the aviation industry?

    Science.gov (United States)

    Bachmann, Thomas; Mühlenbruch, Georg; Wagner, Hermann

    2011-04-01

    Barn owls are specialists in prey detection using acoustic information. The flight apparatus of this bird of prey is most efficiently adapted to the hunting behavior by reducing flight noise. An understanding of the underlying mechanisms owls make use of could help minimize the noise disturbances in airport or wind power plant neighborhood. Here, we characterize wings of barn owls in terms of an airfoil as a role model for studying silent flight. This characterization includes surface and edge specialization (serrations, fringes) evolved by the owl. Furthermore, we point towards possible adaptations of either noise suppression or air flow control that might be an inspiration for the construction of modern aircraft. Three-dimensional imaging techniques such as surface digitizing, computed tomography and confocal laser scanning microscopy were used to investigate the wings and feathers in high spatial resolution. We show that wings of barn owls are huge in relation to their body mass resulting in a very low wing loading which in turn enables a slow flight and an increased maneuverability. Profiles of the wing are highly cambered and anteriorly thickened, especially at the proximal wing, leading to high lift production during flight. However, wind tunnel experiments showed that the air flow tends to separate at such wing configurations, especially at low-speed flight. Barn owls compensated this problem by evolving surface and edge modifications that stabilize the air flow. A quantitative three-dimensionally characterization of some of these structures is presented.

  20. Microsatellite markers characterized in the barn owl (Tyto alba) and of high utility in other owls (Strigiformes: AVES).

    Science.gov (United States)

    Klein, Akos; Horsburgh, Gavin J; Küpper, Clemens; Major, Agnes; Lee, Patricia L M; Hoffmann, Gyula; Mátics, Róbert; Dawson, Deborah A

    2009-11-01

    We have identified 15 polymorphic microsatellite loci for the barn owl (Tyto alba), five from testing published owl loci and 10 from testing non-owl loci, including loci known to be of high utility in passerines and shorebirds. All 15 loci were sequenced in barn owl, and new primer sets were designed for eight loci. The 15 polymorphic loci displayed two to 26 alleles in 56-58 barn owls. When tested in 10 other owl species (n = 1-6 individuals), between four and nine loci were polymorphic per species. These loci are suitable for studies of population structure and parentage in owls.

  1. On Barnes Beta Distributions and Applications to the Maximum Distribution of the 2D Gaussian Free Field

    Science.gov (United States)

    Ostrovsky, Dmitry

    2016-09-01

    A new family of Barnes beta distributions on (0, ∞) is introduced and its infinite divisibility, moment determinacy, scaling, and factorization properties are established. The Morris integral probability distribution is constructed from Barnes beta distributions of types (1, 0) and (2, 2), and its moment determinacy and involution invariance properties are established. For application, the maximum distributions of the 2D gaussian free field on the unit interval and circle with a non-random logarithmic potential are conjecturally related to the critical Selberg and Morris integral probability distributions, respectively, and expressed in terms of sums of Barnes beta distributions of types (1, 0) and (2, 2).

  2. Semi-annual monitoring report for Barnes, Kansas, for July-December 2009.

    Energy Technology Data Exchange (ETDEWEB)

    LaFreniere, L. M.; Environmental Science Division

    2010-04-27

    The Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) operated a grain storage facility at Barnes, Kansas, during most of the interval 1949-1974. Carbon tetrachloride contamination was initially detected in 1986 in the town's public water supply wells. In 2006-2007, the CCC/USDA conducted a comprehensive targeted investigation at and near its former property in Barnes to characterize this contamination. Those results were reported previously (Argonne 2008a). In November 2007, the CCC/USDA began quarterly groundwater monitoring at Barnes. The monitoring is being conducted on behalf of the CCC/USDA by Argonne National Laboratory, in accord with the recommendations made in the report for the 2006-2007 targeted investigation (Argonne 2008a). The objective is to monitor the carbon tetrachloride contamination identified in the groundwater at Barnes. The sampling is presently conducted in a network of 28 individual monitoring wells (at 19 distinct locations), 2 public water supply wells, and 1 private well (Figure 1.1). The results of the 2006-2007 targeted investigation and the subsequent monitoring events (Argonne 2008a-d, 2009a,b) demonstrated the presence of carbon tetrachloride contamination in groundwater at levels exceeding the Kansas Department of Health and Environment (KDHE) Tier 2 risk-based screening level (RBSL) of 5.0 {micro}g/L for this compound. The contaminant plume appears to extend from the former CCC/USDA property northwestward, toward the Barnes public water supply wells. Information obtained during the 2006-2007 investigation indicates that at least one other potential source might have contributed to the groundwater contaminant plume (Argonne 2008a). The former agriculture building owned by the local school district, located immediately east of well PWS3, is also a potential source of the contamination. This current report presents the results of the seventh quarterly monitoring event, conducted in September

  3. Remaining Sites Verification Package for the 141-C Large Animal Barn and Biology Laboratory (Hog Barn), Waste Site Reclassification Form 2006-027

    Energy Technology Data Exchange (ETDEWEB)

    R. A. Carlson

    2006-05-24

    The 141-C waste site is a former large animal barn and biology laboratory within the 100-F Area experimental animal farm. Strontium-90, arsenic, and multiple polycyclic aromatic hydrocarbons were detected within residual demolition debris at concentrations exceeding cleanup criteria. The site has been remediated by removing approximately 900 bank cubic meters of soil and debris within the former building footprint to the Environmental Restoration Disposal Facility. The results of verification sampling demonstrated that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also showed that residual contaminant concentrations are protective of groundwater and the Columbia River.

  4. Sex steroid hormones in barn swallow (Hirundo rustica) populations at a dioxin contaminated site in northeast Louisiana

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — This study compares the gonadal sex steroid hormone levels (i.e., estradiol, total estrogen, and testosterone) in Louisiana barn swallows (Hirundo rustica) that were...

  5. Avian pox virus infection in a common barn owl (Tyto alba in southern Brazil

    Directory of Open Access Journals (Sweden)

    Gilberto D. Vargas

    2011-07-01

    Full Text Available A young common barn owl (Tyto alba was referred to the Núcleo de Reabilitação da Fauna Silvestre (Nurfs, Federal University of Pelotas (UFPel, after been found in a barn of a brick factory in the urban area of Pelotas, Rio Grande do Sul, Brazil. The bird was apathic, weak and with crusty lesions in the featherless areas (eyes, beak, legs, and died soon after arrival at Nurfs. Necropsy and histopathological examination of the lesions were carried out. The hyperplasia and hypertrophy of the cutaneous lesions, several eosinophilic intracyto-plasmic inclusion bodies in epithelial cells (Bollinger bodies, as well as particles characteristic of poxvirus, observed by electronic microscopy, confirmed the infection by avian poxvirus, what highlights the importance of Tyto alba as carrier of the virus in the wild.

  6. Att stärka delaktigheten hos barn med autism på daghem : En litteraturstudie

    OpenAIRE

    Rikberg, Sofie

    2012-01-01

    Idag strävas det efter att barn med lindrigare former av autism så långt som möjligt skall integreras i daghem. På grund av de svårigheter som barnet med autism har löper det risk att bli utanför gemenskapen på daghemmet. Examensarbetet beskriver i form av en litteraturstudie beskriva hur de professionella kan stärka delaktigheten hos barn med autism på daghem och därmed främja möjligheterna till social inklusion. Frågeställningen är följande: Hur kan professionella forma verksamheten på dag...

  7. Multimodal signalling in the North American barn swallow: a phenotype network approach

    Science.gov (United States)

    Wilkins, Matthew R.; Shizuka, Daizaburo; Joseph, Maxwell B.; Hubbard, Joanna K.; Safran, Rebecca J.

    2015-01-01

    Complex signals, involving multiple components within and across modalities, are common in animal communication. However, decomposing complex signals into traits and their interactions remains a fundamental challenge for studies of phenotype evolution. We apply a novel phenotype network approach for studying complex signal evolution in the North American barn swallow (Hirundo rustica erythrogaster). We integrate model testing with correlation-based phenotype networks to infer the contributions of female mate choice and male–male competition to the evolution of barn swallow communication. Overall, the best predictors of mate choice were distinct from those for competition, while moderate functional overlap suggests males and females use some of the same traits to assess potential mates and rivals. We interpret model results in the context of a network of traits, and suggest this approach allows researchers a more nuanced view of trait clustering patterns that informs new hypotheses about the evolution of communication systems. PMID:26423842

  8. Multimodal signalling in the North American barn swallow: a phenotype network approach.

    Science.gov (United States)

    Wilkins, Matthew R; Shizuka, Daizaburo; Joseph, Maxwell B; Hubbard, Joanna K; Safran, Rebecca J

    2015-10-01

    Complex signals, involving multiple components within and across modalities, are common in animal communication. However, decomposing complex signals into traits and their interactions remains a fundamental challenge for studies of phenotype evolution. We apply a novel phenotype network approach for studying complex signal evolution in the North American barn swallow (Hirundo rustica erythrogaster). We integrate model testing with correlation-based phenotype networks to infer the contributions of female mate choice and male-male competition to the evolution of barn swallow communication. Overall, the best predictors of mate choice were distinct from those for competition, while moderate functional overlap suggests males and females use some of the same traits to assess potential mates and rivals. We interpret model results in the context of a network of traits, and suggest this approach allows researchers a more nuanced view of trait clustering patterns that informs new hypotheses about the evolution of communication systems.

  9. Geographic variation in sexual selection and implications for speciation in the Barn Swallow

    Institute of Scientific and Technical Information of China (English)

    Elizabeth SC Scordato; Rebecca J Safran

    2015-01-01

    Barn Swal ows (Hirundo rustica), a group of passerine birds comprised of six closely related subspecies, are well known throughout their nearly worldwide distribution, in part because of their close association with human settlements. A tractable species for both individual-based and population-level studies, Barn Swallows are a prominent model system in evolutionary, ecological, and behavioral research. Here we review work on sexual selection and population divergence in this species complex, focusing on comparative studies among populations and subspecies. We summarize variation in the targets of mate choice and in the information conveyed by sexually selected traits, and conclude that the benefits advertised by different traits may vary geographical y. Finally, we consider the role of sexual selection as a driver of population divergence in this widespread and phenotypically variable species complex.

  10. Geographic variation in sexual selection and implications for speciation in the Barn Swallow

    Institute of Scientific and Technical Information of China (English)

    Elizabeth; SC; Scordato; Rebecca; J; Safran

    2015-01-01

    Barn Swallows(Hirundo rustica), a group of passerine birds comprised of six closely related subspecies, are well known throughout their nearly worldwide distribution, in part because of their close association with human settlements.A tractable species for both individual-based and population-level studies, Barn Swallows are a prominent model system in evolutionary, ecological, and behavioral research. Here we review work on sexual selection and population divergence in this species complex, focusing on comparative studies among populations and subspecies.We summarize variation in the targets of mate choice and in the information conveyed by sexually selected traits, and conclude that the benefits advertised by different traits may vary geographically. Finally, we consider the role of sexual selection as a driver of population divergence in this widespread and phenotypically variable species complex.

  11. Mellin-Barnes representations of Feynman diagrams, linear systems of differential equations, and polynomial solutions

    Energy Technology Data Exchange (ETDEWEB)

    Kalmykov, Mikhail Yu.; Kniehl, Bernd A. [Hamburg Univ. (Germany). 2. Inst. fuer Theoretische Physik

    2012-05-15

    We argue that the Mellin-Barnes representations of Feynman diagrams can be used for obtaining linear systems of homogeneous differential equations for the original Feynman diagrams with arbitrary powers of propagators without recourse to the integration-by-parts technique. These systems of differential equation can be used (i) for the differential reductions to sets of basic functions and (ii) for counting the numbers of master-integrals.

  12. Female plumage spottiness signals parasite resistance in the barn owl (Tyto alba)

    OpenAIRE

    Roulin, A.; Riols, C; Dijkstra, C; Ducrest, A. L.

    2001-01-01

    The hypothesis that extravagant ornaments signal parasite resistance has received support in several species for ornamented males but more rarely for ornamented females. However, recent theories have proposed that females should often be under sexual selection, and therefore females may signal the heritable capacity to resist parasites. We investigated this hypothesis in the socially monogamous barn owl, Tyto alba, in which females exhibit on average more and larger black spots on the plumage...

  13. Compounding effects on nest-site dispersal of Barn Owls Tyto alba

    DEFF Research Database (Denmark)

    Huffeldt, Nicholas Per; Aggerholm, Iben Næs; Brandtberg, Nathia Hass

    2012-01-01

    Capsule Recovery distances of Barn Owls ringed as pulli are conditional on ringing date but not on population density. Aims To test whether ring recovery distances (proxy for natal dispersal distances) were conditional on population density and reproductive timing. Methods We used ringing data...... from 0 to 100 days after ringing, being stable thereafter, and was also impacted by brood size. Owls ringed very early or late in the breeding season were more likely to be recovered

  14. Performance and Health of Group-Housed Calves Kept in Igloo Calf Hutches and Calf Barn

    Directory of Open Access Journals (Sweden)

    Jerzy Wójcik*, Renata Pilarczyk, Anna Bilska, Ottfried Weiher1 and Peter Sanftleben1

    2013-04-01

    Full Text Available Group-reared calves are usually housed in common buildings, such as calf barns of all sorts; however, there are concerns about this practice due to problems such as an increased incidence of diseases and poor performance of the calves. Group calf rearing using igloo hutches may be a solution combining the benefits of individual and group housing systems. The aim of this study was to evaluate group-reared calves housed in Igloo-type hutches compared with those housed in common calf barns. The experiment was carried out on a large private dairy farm located in Vorpommern, Germany. A total of 90 Deutsche-Holstein bull calves were assigned to 2 treatment groups: the calf-barn group, with calves grouped in pens in a building, and the Igloo-hutch group, with calves housed in outdoor enclosures with an access to group igloo-style hutches. Calves entering the 84-day experiment were at an average age of about three weeks, with the mean initial body weight of about 50 kg. The calves housed in the group Igloo hutches attained higher daily weight gains compared to those housed in the calf barn (973 vs 721 g/day, consumed more solid feeds (concentrate, corn grain and maize silage: (1.79 vs 1.59 kg/day, and less milk replacer (5.51 vs 6.19 kg/day, had also a lower incidence of respiratory diseases (1.24 vs 3.57% with a shorter persistence of the illness.

  15. The double Mellin-Barnes type integrals and their applications to convolution theory

    CERN Document Server

    Hai, Nguyen Thanh

    1992-01-01

    This book presents new results in the theory of the double Mellin-Barnes integrals popularly known as the general H-function of two variables.A general integral convolution is constructed by the authors and it contains Laplace convolution as a particular case and possesses a factorization property for one-dimensional H-transform. Many examples of convolutions for classical integral transforms are obtained and they can be applied for the evaluation of series and integrals.

  16. Archeological Testing at 32BA414, Lake Ashtabula, Barnes County, North Dakota.

    Science.gov (United States)

    1984-02-01

    and Block 1967:44). Thick glacial drift (as deep as 95 m) blankets Barnes County (Kelly and Block 1967:17). Glacial till is dense east of 32BA414 in the...many roots) North Wail Profile Sa1ndy LearN 10YR 312 SandY Loarn lOf 311 (fewrn oot*) Sandy Sit Lesrn lOY" 312 Toat Unit 6 Sand 16O1M 313 West Wall

  17. Evolutionary conservation of Kv3.1 in the barn owl Tyto alba.

    Science.gov (United States)

    Kullmann, Lars; Schlüter, Tina; Wagner, Hermann; Nothwang, Hans Gerd

    2013-01-01

    For prey capture in the dark, the barn owl Tyto alba has evolved into an auditory specialist with an exquisite capability of sound localization. Adaptations include asymmetrical ears, enlarged auditory processing centers, the utilization of minute interaural time differences, and phase locking along the entire hearing range up to 10 kHz. Adaptations on the molecular level have not yet been investigated. Here, we tested the hypothesis that divergence in the amino acid sequence of the voltage-gated K(+) channel Kv3.1 contributes to the accuracy and high firing rates of auditory neurons in the barn owl. We therefore cloned both splice variants of Kcnc1, the gene encoding Kv3.1. Both splice variants, Kcnc1a and Kcnc1b, encode amino acids identical to those of the chicken, an auditory generalist. Expression analyses confirmed neural-restricted expression of the channel. In summary, our data reveal strong evolutionary conservation of Kcnc1 in the barn owl and point to other genes involved in auditory specializations of this animal. The data also demonstrate the feasibility to address neuroethological questions in organisms with no reference genome by molecular approaches. This will open new avenues for neuroethologists working in these organisms.

  18. Practical Encoders and Decoders for Euclidean Codes from Barnes-Wall Lattices

    CERN Document Server

    Harshan, J; Belfiore, Jean-Claude

    2012-01-01

    It is well known that dense lattice packings can be obtained via Construction $A$ from \\emph{binary} linear codes. In this paper, we propose an extension of Construction $A$ called Construction $A^\\prime$ to obtain Barnes-Wall lattices from linear codes over finite rings. To obtain the Barnes-Wall lattice $BW_{2^{m}}$ in $\\mathbb{C}^{2^{m}}$ for any $m \\geq 1$, we identify a linear code $\\mathcal{C}_{2^m}$ over a polynomial ring and then embed the linear code to a lattice constellation $\\mathcal{L}_{2^{m}}$ such that $BW_{2^{m}}$ can be obtained as $BW_{2^{m}} = (1+i)^{m}\\mathbb{Z}[i]^{2^{m}} \\oplus \\mathcal{L}_{2^{m}}$ where $i = \\sqrt{-1}$. We also show that $\\mathcal{L}_{2^{m}}$ has the cubic shaping property when $m$ is even. We highlight that Construction $A^\\prime$ provides a convenient technique for bit-labelling Barnes-Wall lattice constellations. We also employ the lattice constellation $\\mathcal{L}_{2^{m}}$ as a coded modulation scheme for AWGN channels. To encode the code, we use Construction $A^{\\...

  19. Barn og fysisk aktivitet i barnehagen: Hvordan kan aktivitetsnivået dokumenteres?

    Directory of Open Access Journals (Sweden)

    Anne Stokke

    2014-12-01

    Full Text Available Abstract: We monitored the physical activity levels of 42 children during a regular day in kindergarten, using various instruments. This study will provide knowledge about children’s activity levels in kindergarten. It also discusses whether children’s activity levels can be adequately evaluated by the teachers or if there is a need for technical measurements. In addition, we compared the different instruments used to evaluate the children. The employees in the kindergarten were asked to answer a questionnaire about the children’s physical activity level during the day, and a student or a researcher observed and registered one child each. During the same day, activity levels were monitored using actigraphy (AC; Actigraf GT3X and continuous heart rate monitoring (HR; Team2 Polar ® in 14 children (six boys and eight girls, 38 and 47 months old, respectively. The researcher-observations defined the observed children as “moderately active”, and AC-data showed that all children had more than 60 minutes of moderate - or high - intensity activity. According to our comparisons, the use of HR to assess the activity in kindergartens is not recommended. On average, the questionnaires reported similar physical activity levels for the same child, although the evaluations varied between employees. When comparing one active and one inactive child, the different methods showed similar results. We conclude that professionals can see a child’s physical activity level when asked to reflect upon it.Sammendrag: Vi målte det fysiske aktivitetsnivået til 42 barn i løpet av en vanlig dag i barnehagen ved hjelp av ulike instrumenter. Denne studien vil gi kunnskap om barns fysiske aktivitet i barnehagen, og om barnas aktivitetsnivå kan bli tilstrekkelig evaluert av lærerne eller om det er behov for tekniske målinger. Videre har vi sammenlignet de ulike instrumentene brukt i observasjonen. De ansatte i barnehagen ble bedt om å svare på et sp

  20. Effect of scraping frequency in a freestall barn on volatile nitrogen loss from dairy manure.

    Science.gov (United States)

    Moreira, V R; Satter, L D

    2006-07-01

    The objective of this investigation was to evaluate the effect of scraping frequency (2x vs. 6x daily) on N volatilization from manure on the floor of a dairy free-stall barn. Three trials (crossover design) were conducted in the summers of 2001 and 2002, and in the winter of 2003. Nitrogen volatilization was estimated from the change in the N:P ratio in excreta at the time of excretion to the time when manure was scraped from the barn. Total N loss was considered a maximum estimate of NH3-N loss, because small amounts of nonammonia N may be volatilized. Nitrogen was determined after manure subsamples were lyophilized; P content was measured by direct current emission spectroscopy of ashed subsamples of manure. Lactating dairy cows were fed high-protein (18.5 to 19.3% crude protein), alfalfa-based diets. Average milk yield was 31.9 (SD = 7.4) kg/d. Scraping frequency had no effect on N loss in summer 2001. An average of 41% of excreted N, or 238 +/- 19.0 g of N/d per cow, was volatilized. For the trial in summer 2002, nitrogen volatilization was reduced from 50% of the excreted N with 2x to 46.7% with 6x, equivalent to 265 and 248 g of N lost/d per cow, respectively. Scraping had no effect on N volatilization during the winter trial. An average of 17.7% of excreted N was volatilized during the winter, equivalent to 109 +/- 11.0 g of N lost/d per cow. Scraping frequency of manure had little or no effect on N loss from manure in a freestall barn. Nitrogen loss during the winter was less than half of the loss during the summer.

  1. The Binaural Interaction Component in Barn Owl (Tyto alba) Presents few Differences to Mammalian Data.

    Science.gov (United States)

    Palanca-Castan, Nicolas; Laumen, Geneviève; Reed, Darrin; Köppl, Christine

    2016-12-01

    The auditory brainstem response (ABR) is an evoked potential that reflects the responses to sound by brainstem neural centers. The binaural interaction component (BIC) is obtained by subtracting the sum of the monaural ABR responses from the binaural response. Its latency and amplitude change in response to variations in binaural cues. The BIC is thus thought to reflect the activity of binaural nuclei and is used to non-invasively test binaural processing. However, any conclusions are limited by a lack of knowledge of the relevant processes at the level of individual neurons. The aim of this study was to characterize the ABR and BIC in the barn owl, an animal where the ITD-processing neural circuits are known in great detail. We recorded ABR responses to chirps and to 1 and 4 kHz tones from anesthetized barn owls. General characteristics of the barn owl ABR were similar to those observed in other bird species. The most prominent peak of the BIC was associated with nucleus laminaris and is thus likely to reflect the known processes of ITD computation in this nucleus. However, the properties of the BIC were very similar to previously published mammalian data and did not reveal any specific diagnostic features. For example, the polarity of the BIC was negative, which indicates a smaller response to binaural stimulation than predicted by the sum of monaural responses. This is contrary to previous predictions for an excitatory-excitatory system such as nucleus laminaris. Similarly, the change in BIC latency with varying ITD was not distinguishable from mammalian data. Contrary to previous predictions, this behavior appears unrelated to the known underlying neural delay-line circuitry. In conclusion, the generation of the BIC is currently inadequately understood and common assumptions about the BIC need to be reconsidered when interpreting such measurements.

  2. Problemer med å måle eksponering for passiv røyking blant barn

    Directory of Open Access Journals (Sweden)

    Per Nafstad m.fl.

    2009-10-01

    Full Text Available  SAMMENDRAGVanligvis måles eksponering for passiv røyking blant barn ved spørreskjemaopplysninger omforeldres røykevaner. Etter hvert som det blir mer oppmerksomhet om helseeffekter av passivrøyking, vil det kunne påvirke hvordan foreldre røyker og dermed også barns eksponering. Medhenvisning til innsamlede data om røykeeksponering i en kohort av Oslo-barn og fra en studie avbarn ved to helsestasjoner, diskuteres noen av de metodeproblemene en står overfor når en skal måleeksponering for passiv røyking i epidemiologiske studier. I disse studiene er barns eksponering forpassiv røyking målt ved spørreskjemaopplysninger og ved måling av hårnikotin og kotinin i urin.Det konkluderes med at det er usikkerhet om nøyaktigheten av eksisterende metoder for måling avpassiv røyking. Dette og manglende kunnskap om faktisk eksponeringsnivå kan føre til feilaktigestimering av helseeffekter av passiv røyking i en barnebefolkning.Nafstad P, Botten G, Magnus P. Problems in measuring environmental tobacco smoke exposurein children. Nor J Epidemiol 1995; 5 (2: 141-144.ENGLISH SUMMARYUsually environmental tobacco smoke exposure among children is measuered by questionnaires,recording parental smoking. As the adverse health effects of environmental tobacco smoke exposureare getting more known among the public, this is likely to influence the parents' way of smoking andby that their children's actual exposure. With references to findings in a cohort study of Oslochildren and a study of children attending two of Oslo’s health centers, some methodologicalproblems when measuring environmental tobacco smoke exposure in epidemiological studies arediscussed. The exposure in these studies is measured in questionnaires to the parents and aschildren's hair nicotine concentration and urine cotinine concentration. Furthermore, the paperdiscusses how the uncertainty in actual levels of exposure may lead to false estimates for the totalhealth impact of

  3. AMBRE - a mathematica package for the construction of Mellin-Barnes representations for Feynman integrals

    Energy Technology Data Exchange (ETDEWEB)

    Gluza, J.; Kajda, K. [Silesia Univ, Katowice (Poland). Dept. of Field Theory and Particle Physics, Inst. of Phsyics; Riemann, T. [Deutsches Elektronen-Synchrotron (DESY), Zeuthen (Germany)

    2007-05-15

    The Mathematica toolkit AMBRE derives Mellin-Barnes (MB) representations for Feynman integrals in d=4-2{epsilon} dimensions. It may be applied for tadpoles as well as for multi-leg multi-loop scalar and tensor integrals. AMBRE uses a loop-by-loop approach and aims at lowest dimensions of the final MB representations. The present version of AMBRE works fine for planar Feynman diagrams. The output may be further processed by the package MB for the determination of its singularity structure in {epsilon}. The AMBRE package contains various sample applications for Feynman integrals with up to six external particles and up to four loops. (orig.)

  4. Mammal prey of the Barn Owl (Tyto alba) in Parque Luro Reserve, La Pampa, Argentina

    OpenAIRE

    1994-01-01

    Abstract The diet of the barn owl was studied through the analysis of pellets obtained in various sites within the Parque Luro reserve, located in an area of xerophyte Caldén forests. The study of 1241 prey items revealed a high dominance of the cricetid rodents Calomys sp., Akodon molinae and Eligmodontia typus, followed by other 8 species of rodents, one species of marsupial and undetermined birds a...

  5. Kortisonskepsis : En studie om holdninger til kortisonkrem blant foreldre av barn med atopisk eksem

    OpenAIRE

    Gustavsen, Hanne Engstrøm

    2010-01-01

    Bakgrunn: Kortisonkremer er en viktig del av behandlingen mot atopisk eksem. Mange foreldre er skeptiske til bruken av kortisonkremer, fordi de har lest eller hørt om bivirkninger. Pasienters og pårørendes holdninger til bruk av kortisonkrem kan påvirke gjennomføringen av behandlingen. Formål: Vi ønsket å undersøke holdninger til bruk av kortisonkrem blant foreldre og pårørende av barn med atopisk eksem. Vi ville også undersøke om det er en sammenheng mellom kunnskapsnivå om kortisonkreme...

  6. Infektioner hos barn i förskola- gör utevistelse skillnad?

    DEFF Research Database (Denmark)

    Blennow, Margareta; Söderström, Margareta

    2009-01-01

    Under åren i förskolan har barn många infektioner, framförallt luftvägsinfektioner. Det finns indikationer på att allt fler föräldrar efterfrågar förskolor där barnen är utomhus hela dagen. Gör det barnen friskare? Den vetenskapliga litteraturen på området är sparsam. Resultaten är inte entydiga ...

  7. ”Vissa barn älskar faktiskt sånna dära TV-reklamer” : - En övergripande studie om hur barn upplever och tolkar TV-reklam -

    OpenAIRE

    Norberg, Lotta

    2007-01-01

    ABSTRACT Titel: “Some kids really love those commercials” -A study of how children experience and construe commercials. (Vissa barn älskar faktiskt sånna dära TV-reklamer” – En övergripande studie om hur barn upplever och tolkar tv-reklam.) Number of pages: 40 Author: Lotta Norberg Tutor: Amelie Hössjer Course: Media and Communication Studies C Period: Autumn term 2007 University: Division of Media and Communication, Department of Information Science, Uppsala University Purpose/Aim: The aim o...

  8. Optimization of Apparatus Design and Behavioral Measures for the Assessment of Visuo-Spatial Learning and Memory of Mice on the Barnes Maze

    Science.gov (United States)

    O'Leary, Timothy P.; Brown, Richard E.

    2013-01-01

    We have previously shown that apparatus design can affect visual-spatial cue use and memory performance of mice on the Barnes maze. The present experiment extends these findings by determining the optimal behavioral measures and test procedure for analyzing visuo-spatial learning and memory in three different Barnes maze designs. Male and female…

  9. An additional field method to sex adult Barn Swallows during the non-breeding season in Zambia: white spot length in the outer tail feather

    NARCIS (Netherlands)

    Duijns, S.; Dijk, van J.G.B.; Kraus, R.H.S.; Kerlen-Matema, A.C.; Brink, van den B.; Hooft, van W.F.

    2011-01-01

    Adult Barn Swallows Hirundo rustica exhibit strong sexual size dimorphism in the length of the outermost tail feathers, which are longer in males compared with females. This trait is traditionally used to sex adult Barn Swallows in the field. However, due to the wear and breakage of the tips of the

  10. Visual pop-out in barn owls: Human-like behavior in the avian brain.

    Science.gov (United States)

    Orlowski, Julius; Beissel, Christian; Rohn, Friederike; Adato, Yair; Wagner, Hermann; Ben-Shahar, Ohad

    2015-01-01

    Visual pop-out is a phenomenon by which the latency to detect a target in a scene is independent of the number of other elements, the distractors. Pop-out is an effective visual-search guidance that occurs typically when the target is distinct in one feature from the distractors, thus facilitating fast detection of predators or prey. However, apart from studies on primates, pop-out has been examined in few species and demonstrated thus far in rats, archer fish, and pigeons only. To fill this gap, here we study pop-out in barn owls. These birds are a unique model system for such exploration because their lack of eye movements dictates visual behavior dominated by head movements. Head saccades and interspersed fixation periods can therefore be tracked and analyzed with a head-mounted wireless microcamera--the OwlCam. Using this methodology we confronted two owls with scenes containing search arrays of one target among varying numbers (15-63) of similar looking distractors. We tested targets distinct either by orientation (Experiment 1) or luminance contrast (Experiment 2). Search time and the number of saccades until the target was fixated remained largely independent of the number of distractors in both experiments. This suggests that barn owls can exhibit pop-out during visual search, thus expanding the group of species and brain structures that can cope with this fundamental visual behavior. The utility of our automatic analysis method is further discussed for other species and scientific questions.

  11. The maintenance of phenotypic divergence through sexual selection: An experimental study in barn swallows Hirundo rustica.

    Science.gov (United States)

    Safran, Rebecca J; Vortman, Yoni; Jenkins, Brittany R; Hubbard, Joanna K; Wilkins, Matthew R; Bradley, Rachel J; Lotem, Arnon

    2016-09-01

    Previous studies have shown that sexual signals can rapidly diverge among closely related species. However, we lack experimental studies to demonstrate that differences in trait-associated reproductive performance maintain sexual trait differences between closely related populations, in support for a role of sexual selection in speciation. Populations of Northern Hemisphere distributed barn swallows Hirundo rustica are closely related, yet differ in two plumage-based traits: ventral color and length of the outermost tail feathers (streamers). Here we provide experimental evidence that manipulations of these traits result in different reproductive consequences in two subspecies of barn swallow: (H. r. erythrogaster in North America and H. r. transitiva in the East Mediterranean). Experimental results in Colorado, USA, demonstrate that males with (1) darkened ventral coloration and (2) shortened streamers gained paternity between two successive reproductive bouts. In contrast, exaggeration of both traits improved reproductive performance within H. r. transitiva in Israel: males with a combination treatment of darkened ventral coloration and elongated streamers gained paternity between two successive reproductive bouts. Collectively, these experimental results fill an important gap in our understanding for how divergent sexual selection maintains phenotype differentiation in closely related populations, an important aspect of the speciation process.

  12. An automatic system for the detection of dairy cows lying behaviour in free-stall barns

    Directory of Open Access Journals (Sweden)

    Simona M.C. Porto

    2013-09-01

    Full Text Available In this paper, a method for the automatic detection of dairy cow lying behaviour in free-stall barns is proposed. A computer visionbased system (CVBS composed of a video-recording system and a cow lying behaviour detector based on the Viola Jones algorithm was developed. The CVBS performance was tested in a head-to-head free stall barn. Two classifiers were implemented in the software component of the CVBS to obtain the cow lying behaviour detector. The CVBS was validated by comparing its detection results with those generated from visual recognition. This comparison allowed the following accuracy indices to be calculated: the branching factor (BF, the miss factor (MF, the sensitivity, and the quality percentage (QP. The MF value of approximately 0.09 showed that the CVBS missed one cow every 11 well detected cows. Conversely, the BF value of approximately 0.08 indicated that one false positive was detected every 13 well detected cows. The high value of approximately 0.92 obtained for the sensitivity index and that obtained for QP of about 0.85 revealed the ability of the proposed system to detect cows lying in the stalls.

  13. Non-Perturbative Asymptotic Improvement of Perturbation Theory and Mellin-Barnes Representation

    Directory of Open Access Journals (Sweden)

    Samuel Friot

    2010-10-01

    Full Text Available Using a method mixing Mellin-Barnes representation and Borel resummation we show how to obtain hyperasymptotic expansions from the (divergent formal power series which follow from the perturbative evaluation of arbitrary ''N-point'' functions for the simple case of zero-dimensional φ4 field theory. This hyperasymptotic improvement appears from an iterative procedure, based on inverse factorial expansions, and gives birth to interwoven non-perturbative partial sums whose coefficients are related to the perturbative ones by an interesting resurgence phenomenon. It is a non-perturbative improvement in the sense that, for some optimal truncations of the partial sums, the remainder at a given hyperasymptotic level is exponentially suppressed compared to the remainder at the preceding hyperasymptotic level. The Mellin-Barnes representation allows our results to be automatically valid for a wide range of the phase of the complex coupling constant, including Stokes lines. A numerical analysis is performed to emphasize the improved accuracy that this method allows to reach compared to the usual perturbative approach, and the importance of hyperasymptotic optimal truncation schemes.

  14. The Jellyfish hunter--Jack Barnes: a pioneer medical toxinologist in Australia.

    Science.gov (United States)

    Pearn, John; Fenner, Peter

    2006-12-01

    Dr Jack Handyside Barnes (1922-1985) was one of the small and elite group of Pacific marine toxinologists whose work was characterised by an uncompromising rugged persona, a focussed resolve to solve challenging problems of human clinical envenomation, and who conducted curiosity-driven research under conditions of scientific isolation. He was a pioneering advocate for the preservation of marine heritage, particularly that of the Great Barrier Reef. A former military commando who later became a general medical practitioner with extensive surgical and obstetric skills, in 1947 he was appointed the Medical Superintendent of Thursday Island in the Torres Strait. Later (from January 1953), he worked indefatigably as a general medical practitioner in Cairns, in tropical North Australia. For four decades (1945-1985), Jack Barnes undertook detailed laboratory, clinical and field research into invertebrate envenomation, particularly medusan toxinology. In 1960 he discovered the species responsible for the Irukandji syndrome, a small carybdeid named Carukia barnesi in his honour. He invented the research technique for the extraction of venom from the world's most venomous creature, the Pacific box Jellyfish, Chironex fleckeri. By 1960, he had published taxonomic details of nematocyst structure and clinical envenomation details consequent upon stings by Physalia, Cyanea, Chironex, Chiropsalmus and Carukia. This paper is a précis of the chronology of his life, contributions and influence.

  15. Fitness loss and germline mutations in barn swallows breeding in Chernobyl

    Energy Technology Data Exchange (ETDEWEB)

    Ellegren, Hans; Lindgren, Gabriella; Primmer, C.R. [Swedish Univ. of Agricultural Sciences, Animal Breeding and Genetics Dept., Uppsala (Sweden); Moeller, A.P. [Universite Pierre et Marie Curie. Lab. d`Ecologie, Paris, 75 (France)

    1997-10-09

    The severe nuclear accident at Chernobyl in 1986 resulted in the worst reported accidental exposure of radioactive material to free-living organisms. Short-term effects on human populations inhabiting polluted areas include increased incidence of thyroid cancer, infant leukaemia, and congenital malformations in newborns. Two recent studies have reported, although with some controversy, that germline mutation rates were increased in humans and voles living close to Chernobyl, but little is known about the viability of the organisms affected. Here we report an increased frequency of partial albinism, a morphological aberration associated with a loss of fitness, among barn swallows, Hirundo rustica, breeding close to Chernobyl. Heretability estimates indicate that mutations causing albinism were at least partly of germline origin. Furthermore, evidence for an increased germline mutation rate was obtained from segregation analysis at two hypervariable microsatellite loci, indicating that mutation events in barn swallows from Chernobyl were two- to tenfold higher than in birds from control areas in Ukraine and Italy. (author).

  16. Testosterone, plumage colouration and extra-pair paternity in male North-American barn swallows.

    Directory of Open Access Journals (Sweden)

    Cas Eikenaar

    Full Text Available In most monogamous bird species, circulating testosterone concentration in males is elevated around the social female's fertile period. Variation in elevated testosterone concentrations among males may have a considerable impact on fitness. For example, testosterone implants enhance behaviours important for social and extra-pair mate choice. However, little is known about the relationship between natural male testosterone concentration and sexual selection. To investigate this relationship we measured testosterone concentration and sexual signals (ventral plumage colour and tail length, and determined within and extra-pair fertilization success in male North American barn swallows (Hirundo rustica erythrogaster. Dark rusty coloured males had higher testosterone concentrations than drab males. Extra-pair paternity was common (42% and 31% of young in 2009 and 2010, respectively, but neither within- nor extra-pair fertilization success was related to male testosterone concentration. Dark rusty males were less often cuckolded, but did not have higher extra-pair or total fertilization success than drab males. Tail length did not affect within- or extra-pair fertilization success. Our findings suggest that, in North American barn swallows, male testosterone concentration does not play a significant direct role in female mate choice and sexual selection. Possibly plumage colour co-varies with a male behavioural trait, such as aggressiveness, that reduces the chance of cuckoldry. This could also explain why dark males have higher testosterone concentrations than drab males.

  17. Better-surviving barn swallow mothers produce more and better-surviving sons.

    Science.gov (United States)

    Romano, Andrea; Costanzo, Alessandra; Caprioli, Manuela; Parolini, Marco; Ambrosini, Roberto; Rubolini, Diego; Saino, Nicola

    2016-05-01

    Sex allocation theory predicts that parents are selected to bias their progeny sex ratio (SR) toward the sex that will benefit the most from parental quality. Because parental quality may differentially affect survival of sons and daughters, a pivotal test of the adaptive value of SR adjustment is whether parents overproduce offspring of the sex that accrues larger fitness advantages from high parental quality. However, this crucial test of the long-term fitness consequences of sex allocation decisions has seldom been performed. In this study of the barn swallow (Hirundo rustica), we showed a positive correlation between the proportion of sons and maternal annual survival. We then experimentally demonstrated that this association did not depend on the differential costs of rearing offspring of either sex. Finally, we showed that maternal lifespan positively predicted lifespan of sons but not of daughters. Because in barn swallows lifespan is a strong determinant of lifetime reproductive success, the results suggest that mothers overproduce offspring of the sex that benefits the most from maternal quality. Hence, irrespective of mechanisms causing the SR bias and mother-son covariation in lifespan, we provide strong evidence that sex allocation decisions of mothers can highly impact on their lifetime fitness.

  18. Food Barn for The Village Community To Strengthen Community Empowerment Program

    Directory of Open Access Journals (Sweden)

    Maulidyah Indira Hasmarini

    2016-12-01

    Full Text Available This study aimed to assess the achievement level of community empowerment in realizing food security. The result was expected to reveal a model of community empowerment, particularly farmer community institution as an attempt to attain food security. Survey was employed as the research method that involved the farmers (farmer groups as the members of Food Barn for the Village Community (Lumbung Pangan Masyarakat Desa/LPMD. Technique of rapid rural appraisal was selected in the form of quantitative and qualitative analysis. Preliminary survey in study area was carried out to obtain the characteristic and status of food security; and to mapping the potential and role of Lumbung Pangan Masyarakat Desa in the process of community empowerment. Subsequently, study and analysis was done based on the survey. The results demonstrated the active role of stakeholders (A-B-G-C was significant in supporting the farmer institution (food barn. The economic and social aspects were also evidenced to have important role in enhancing the farmer community empowerment. This model is called social engine for rural community and local institution, particularly to attain the regional food security.

  19. Laboratory-scale investigation of UV treatment of ammonia for livestock and poultry barn exhaust applications.

    Science.gov (United States)

    Rockafellow, Erin M; Koziel, Jacek A; Jenks, William S

    2012-01-01

    The feasibility of using deep ultraviolet (UV) treatment for abatement of ammonia (NH(3)) in livestock and poultry barn exhaust air was examined in a series of laboratory-scale experiments. These experiments simulated moving exhaust air through an irradiation chamber with variables of UV wavelength and dose, NH(3) concentrations, humidity, and presence of hydrogen sulfide (H(2)S). Ammonia, initially at relevant barn exhaust concentrations in air, was substantially or completely reduced by irradiation with 185 nm light. Reactions were monitored using chemiluminescence detection, gas chromatography with mass spectrometry detection, and Fourier transform infrared spectrometry, of which the latter was found to be the most informative and flexible. Detected nitrogen-containing products included N(2)O, NH(4)NO(3), and HNO(3). It was presumed that atomic oxygen is the primary photochemical product that begins the oxidative cascade. The data show that removal of NH(3) is plausible, but they highlight concerns over pollution swapping due to formation of ozone and N(2)O.

  20. The impact of uropygial gland secretions on mechanically induced wearing of barn owl and pigeon body feathers

    Science.gov (United States)

    Ott, Benjamin; Müsse, Annika; Wagner, Hermann

    2016-04-01

    Bird feathers are remarkable structures light but yet durable providing insulation and the ability of flight. Owls are highly specialized birds of prey, widely known for their ability to y silently which is enabled by (micro-) structural specializations of the feathers. The barn owl replaces feathers less frequently in comparison to other same sized birds like pigeons, indicating a much better resistance against material fatigue of these delicate microstructures. We used axisymmetric drop shape analysis (ADSA) of water drop contact angles as a non-destructive method of characterizing wearing processes in feathers. We hypothesized that feathers become more wettable when worn. We also investigated the impact of ethanol treatment in order to remove fatty residues of the uropygial gland secretions, barn owls and pigeons use for preening, on ageing processes. Ethanol treatment resulted in a slight, but significant increase of water repellency in barn owl but not in pigeon flight feathers. Our preliminary data also suggest that the uropygial gland secretions decelerate the wearing process of the feather keratin. We observed this effect in both species, however, it was more distinct for barn owl uropygial gland secretions. The results of this study, obtained by contact angle measurements used as a non-destructive evaluation method of material fatigue, yield insights into the material fatigue of feathers and the decelerating effect of uropygial gland secretions on wear on the other hand.

  1. Reverse correlation analysis of auditory-nerve fiber responses to broadband noise in a bird, the barn owl.

    Science.gov (United States)

    Fontaine, Bertrand; Köppl, Christine; Peña, Jose L

    2015-02-01

    While the barn owl has been extensively used as a model for sound localization and temporal coding, less is known about the mechanisms at its sensory organ, the basilar papilla (homologous to the mammalian cochlea). In this paper, we characterize, for the first time in the avian system, the auditory nerve fiber responses to broadband noise using reverse correlation. We use the derived impulse responses to study the processing of sounds in the cochlea of the barn owl. We characterize the frequency tuning, phase, instantaneous frequency, and relationship to input level of impulse responses. We show that, even features as complex as the phase dependence on input level, can still be consistent with simple linear filtering. Where possible, we compare our results with mammalian data. We identify salient differences between the barn owl and mammals, e.g., a much smaller frequency glide slope and a bimodal impulse response for the barn owl, and discuss what they might indicate about cochlear mechanics. While important for research on the avian auditory system, the results from this paper also allow us to examine hypotheses put forward for the mammalian cochlea.

  2. AMBRE—a Mathematica package for the construction of Mellin Barnes representations for Feynman integrals

    Science.gov (United States)

    Gluza, J.; Kajda, K.; Riemann, T.

    2007-12-01

    The Mathematica toolkit AMBRE derives Mellin-Barnes (MB) representations for Feynman integrals in d=4-2ɛ dimensions. It may be applied for tadpoles as well as for multi-leg multi-loop scalar and tensor integrals. The package uses a loop-by-loop approach and aims at lowest dimensions of the final MB representations. The present version works fine for planar Feynman diagrams. The output may be further processed by the package MB for the determination of its singularity structure in ɛ. The AMBRE package contains various sample applications for Feynman integrals with up to six external particles and up to four loops. Program summaryProgram title:AMBRE Catalogue identifier:ADZR_v1_0 Program summary URL:http://cpc.cs.qub.ac.uk/summaries/ADZR_v1_0.html Program obtainable from:CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions:standard CPC licence, http://cpc.cs.qub.ac.uk/licence/licence.html No. of lines in distributed program, including test data, etc.:21 387 No. of bytes in distributed program, including test data, etc.:100 004 Distribution format:tar.gz Programming language:MATHEMATICA v.5.0 and later versions Computer:all Operating system:all RAM:sufficient for a typical installation of MATHEMATICA Classification:5; 11.1 External routines:The examples in the package use: MB.m [M. Czakon, Comput. Phys. Commun. 175 (2006) 559 (CPC Cat. Id. ADYG)], for expansions in ɛ; CUBA [T. Hahn, Comput. Phys. Commun. 168 (2005) 78 (CPC Cat. Id. ADVH)], for numerical evaluation of multidimensional integrals; CERNlib [CERN Program Library, http://cernlib.web.cern.ch/cernlib/], for the implementation of Γ and Ψ functions in Fortran. Nature of problem:Derivation of a representation for a Feynman diagram with L loops and N internal lines in d dimensions by Mellin-Barnes integrals; the subsequent evaluation, after an analytical continuation in ɛ=(4-d)/2, has to be done with other packages. Solution method:Introduction of N Feynman parameters x

  3. El museo y la enciclopedia: Lecturas cruzadas de Borges y Barnes

    Directory of Open Access Journals (Sweden)

    Leticia Moneta

    2014-01-01

    Full Text Available Taking in consideration the intertextual and biographical influence of the works of Jorge Luis Borges on the works of Julian Barnes, this article seeks to focus on certain borgian traces that speak of the status of literature in the present time. Starting with the image of the “museum and the encyclopedia” we can read Borges from a barnesian point of view and viceversa, while insisting in the relativity of any kind of order and classification. We shall start with the essential distrust that both authors show towards language. No one can deny that in the literary and critic landscape of our time Borges is a difficult character to overcome or ignore which we will use as a reading and writing mechanism.

  4. Avian wing geometry and kinematics of a free-flying barn owl in flapping flight

    Science.gov (United States)

    Wolf, Thomas; Konrath, Robert

    2015-02-01

    This paper presents results of high-resolution three-dimensional wing shape measurements performed on free-flying barn owls in flapping flight. The applied measurement technique is introduced together with a moving camera set-up, allowing for an investigation of the free flapping flight of birds with high spatial and temporal resolution. Based on the three-dimensional surface data, a methodology for parameterizing the wing profile along with wing kinematics during flapping flight has been developed. This allowed a description of the spanwise varying kinematics and aerodynamic parameters (e.g. effective angles of attack, camber, thickness) of the wing in dependence on the flapping phase. The results are discussed in detail using the data of a single flight, whereas a comparison of some kinematic parameters obtained from different flights is given too.

  5. Independence of echo-threshold and echo-delay in the barn owl.

    Directory of Open Access Journals (Sweden)

    Brian S Nelson

    Full Text Available Despite their prevalence in nature, echoes are not perceived as events separate from the sounds arriving directly from an active source, until the echo's delay is long. We measured the head-saccades of barn owls and the responses of neurons in their auditory space-maps while presenting a long duration noise-burst and a simulated echo. Under this paradigm, there were two possible stimulus segments that could potentially signal the location of the echo. One was at the onset of the echo; the other, after the offset of the direct (leading sound, when only the echo was present. By lengthening the echo's duration, independently of its delay, spikes and saccades were evoked by the source of the echo even at delays that normally evoked saccades to only the direct source. An echo's location thus appears to be signaled by the neural response evoked after the offset of the direct sound.

  6. The GEMPAK Barnes interactive objective map analysis scheme. [General Meteorological Software Package

    Science.gov (United States)

    Koch, S. E.; Kocin, P. J.; Desjardins, M.

    1983-01-01

    The analysis scheme and meteorological applications of the GEMPAK data analysis and display software system developed by NASA are described. The program was devised to permit objective, versatile, and practical analysis of satellite meteorological data using a minicomputer and a display system with graphics capability. A data area can be selected within the data file for the globe, and data-sparse regions can be avoided. Distances between observations and the nearest observation points are calculated in order to avoid errors when determining synoptic weather conditions. The Barnes (1973) successive correction method is employed to restore the amplitude of small yet resolvable wavelengths suppressed in an initial filtering pass. The rms deviation is then calculated in relation to available measured data. Examples are provided of treatment of VISSR data from the GOES satellite and a study of the impact of incorrect cloud height data on synoptic weather field analysis.

  7. Cassia spectabilis (DC) Irwin et Barn: a promising traditional herb in health improvement.

    Science.gov (United States)

    Jothy, Subramanion L; Torey, Angeline; Darah, Ibrahim; Choong, Yee Siew; Saravanan, Dharmaraj; Chen, Yeng; Latha, Lachimanan Yoga; Deivanai, Subramanian; Sasidharan, Sreenivasan

    2012-08-29

    The genus Cassia, comprising about 600 species widely distributed worldwide is well known for its diverse biological and pharmacological properties. Cassia spectabilis (sin Senna spectabilis) (DC) Irwin et Barn (Fabaceae) is widely grown as an ornamental plant in tropical and subtropical areas. C. spectabilis has been commonly used in traditional medicine for many years. Information in the biomedical literature has indicated the presence of a variety of medicinally-important chemical constituents in C. spectabilis. Pharmacological studies by various groups of investigators have shown that C. spectabilis possesses significant biological activity, such as antibacterial, antibiofilm, antifungal and antioxidant properties. Beside this, toxicity studies of this plant have revealed no toxic effect on mice. In view of the immense medicinal importance of C. spectabilis, this review aimed at compiling all currently available information on C. spectabilis’s botany, phytochemistry, pharmacology, and mechanism of actions, toxicology and its ethnomedicinal uses.

  8. Fan cooling of the resting area in a free stalls dairy barn.

    Science.gov (United States)

    Calegari, Ferdinando; Calamari, Luigi; Frazzi, Ermes

    2014-08-01

    This summer study evaluated the effect of providing additional fans (cooling) in the resting area within a free-stall dairy barn that had fans and sprinklers in the feeding area and paddock availability. Thirty cows were divided into two homogenous groups and kept in two pens: one had the resting area equipped with two fans (FAN) while no fans were added to the other resting area (CON). Microclimatic parameters, rectal temperature (RT), breathing rate (BR), milk yield, and milk pH traits were recorded. Time budgeting and the behaviour of the cows (time spent in the feeding area, standing and lying in other areas) were also recorded using digital video technology. Two slight-to-moderate heat waves were observed. During the hottest period the daily maximum temperature recorded was 33.5 °C and the daily maximum THI was 81.6. During this period, the BR and RT increased only slightly in both groups, with lower BR (n.s.) in FAN compared with CON. Milk yield was better maintained (n.s.) in FAN compared with CON during the hottest period. The FAN cows showed a greater (Pfree stalls (9.5 and 8.6 h/day in FAN and CON, respectively), whereas CON cows made greater (P<0.05) use of the paddock during evening and late evening hours. Consequently, the total daily lying time was 13.5 h/day in both groups. In conclusion, the results suggest that using fans in the resting area improves cow comfort, which increases use of the resting area. The lying time results also suggest that the benefits of providing ventilation in the resting area might be more evident in barns where there is no paddock.

  9. Morphometric characterisation of wing feathers of the barn owl Tyto alba pratincola and the pigeon Columba livia

    Directory of Open Access Journals (Sweden)

    Klaas Michael

    2007-11-01

    Full Text Available Abstract Background Owls are known for their silent flight. Even though there is some information available on the mechanisms that lead to a reduction of noise emission, neither the morphological basis, nor the biological mechanisms of the owl's silent flight are known. Therefore, we have initiated a systematic analysis of wing morphology in both a specialist, the barn owl, and a generalist, the pigeon. This report presents a comparison between the feathers of the barn owl and the pigeon and emphasise the specific characteristics of the owl's feathers on macroscopic and microscopic level. An understanding of the features and mechanisms underlying this silent flight might eventually be employed for aerodynamic purposes and lead to a new wing design in modern aircrafts. Results A variety of different feathers (six remiges and six coverts, taken from several specimen in either species, were investigated. Quantitative analysis of digital images and scanning electron microscopy were used for a morphometric characterisation. Although both species have comparable body weights, barn owl feathers were in general larger than pigeon feathers. For both species, the depth and the area of the outer vanes of the remiges were typically smaller than those of the inner vanes. This difference was more pronounced in the barn owl than in the pigeon. Owl feathers also had lesser radiates, longer pennula, and were more translucent than pigeon feathers. The two species achieved smooth edges and regular surfaces of the vanes by different construction principles: while the angles of attachment to the rachis and the length of the barbs was nearly constant for the barn owl, these parameters varied in the pigeon. We also present a quantitative description of several characteristic features of barn owl feathers, e.g., the serrations at the leading edge of the wing, the fringes at the edges of each feather, and the velvet-like dorsal surface. Conclusion The quantitative

  10. Starch gel and cellulose acetate electrophoretic analysis of allozyme frequencies in barn swallow (Hirundo rustica) populations at a dioxin contaminated site in northern Louisiana

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — This study compared the genetic variability of Louisiana barn swallows at a dioxin-contaminated wetland to two reference populations. Allozyme frequencies,...

  11. A Stiff Man-Child Walking: Derrida’s Economy of Secrecy and Faulkner’s “Barn Burning”

    Directory of Open Access Journals (Sweden)

    Michael Wainwright

    2011-12-01

    Full Text Available Working from Jacques Derrida’s contentions about secrecy and authorial responsibility, and paying brief but specific attention to Charles Baudelaire’s “La fausse monnaie” (1869, as suggested by Derridean concerns over capitalist economics, this article studies the manner in which the inviolable and conditional secrets of William Faulkner’s “Barn Burning” (1938 reveal the poststructural tendencies avant la lettre of this leading American modernist.  While Faulkner scholars have focused on the ambivalent language and metaphors deployed in this short story, they have not formerly traced the manner in which “Barn Burning” incites a sense of deconstructive criticism, and have thereby failed to acknowledge Faulkner’s attendant authorial irresponsibility.  This article redresses this critical imbalance.

  12. Barn Owl pellets (Aves: Tyto furcata) reveal a higher mammalian richness in the Restinga de Jurubatiba National Park, Southeastern Brazil

    OpenAIRE

    2015-01-01

    The northern coast of the state of Rio de Janeiro harbors the largest coastal sandy plains (restingas) of southeastern Brazil, severely threatened due to recent human occupation. In this context, mammal inventories becomes urgent to support biodiversity conservation and management policies. This paper aims to update the knowledge on the mammalian species richness of Restinga de Jurubatiba National Park by analyzing pellets of the Barn owl Tyto furcata. The analyses of 4745 mammalian bone frag...

  13. Muscular Arrangement and Muscle Attachment Sites in the Cervical Region of the American Barn Owl (Tyto furcata pratincola)

    OpenAIRE

    2015-01-01

    Owls have the largest head rotation capability amongst vertebrates. Anatomical knowledge of the cervical region is needed to understand the mechanics of these extreme head movements. While data on the morphology of the cervical vertebrae of the barn owl have been provided, this study is aimed to provide an extensive description of the muscle arrangement and the attachment sites of the muscles on the owl's head-neck region. The major cervical muscles were identified by gross dissection of cada...

  14. Effects of triticale-based diets on finishing pig performance and pork quality in deep-bedded hoop barns.

    Science.gov (United States)

    Sullivan, Zebblin M; Honeyman, Mark S; Gibson, Lance R; Prusa, Ken J

    2007-07-01

    Effects of triticale diets on pig performance and pork quality were evaluated in summer and winter. Diets were: corn-soy, 40% triticale, or 80% triticale. Pigs (72kg) were fed 49d. Loins were evaluated for meat and fat quality and sensory evaluation. Average daily gain decreased as triticale inclusion increased (Ptriticale had least gain:feed ratio (Ptriticale diet had smallest loin muscle area (PTriticale fed to pigs in hoop barns slightly decreased growth without compromising pork quality.

  15. Evolutionary divergence in sexual signals: Insights from within and among barn swallow populations

    Science.gov (United States)

    Wilkins, Matthew Reed

    A wealth of studies across diverse animal groups indicate the importance of sexual selection in shaping phenotypes within and across breeding populations. In recent decades, much research has focused on how divergent sexual selection pressures among populations may lead to speciation. For my first dissertation chapter, I performed a literature review on the causes and consequences of evolutionary divergence in acoustic signals and developed the acoustic window conceptual framework for understanding the contributions of selection, genetic drift, and evolutionary constraint to signal divergence. Further, I found that sexual selection explains acoustic differences between recently diverged populations of the best-studied taxa. However, the relative contributions of ecological selection, sexual selection, and drift to acoustic divergence have not typically been considered within the same study systems. The remainder of my dissertation used the Northern Hemisphere-distributed barn swallow ( Hirundo rustica) species complex as a model system to study sender-receiver dynamics, intra- and intersexual selection pressures, and visual and acoustic signal interactions at the local scale, and signal divergence across populations at the global scale. From song recordings taken across 19 sampling sites, spanning five of six described subspecies, I demonstrated considerable conservation in song structure. However, temporal traits were highly divergent across subspecies, and in particular, the speed of the terminal trill of songs. In a detailed study of the multimodal communication system of the barn swallow (including visual and acoustic traits), I demonstrated that males and females use different types of signals to mediate competition and mate choice. One of the only exceptions to this rule was trill rate, which was also implicated in song divergence across populations. In order to test the function of trill rate in communication, I performed a two-year playback study within the

  16. Characterization of bioaerosols from dairy barns: reconstructing the puzzle of occupational respiratory diseases by using molecular approaches.

    Science.gov (United States)

    Blais Lecours, Pascale; Veillette, Marc; Marsolais, David; Duchaine, Caroline

    2012-05-01

    To understand the etiology of exposure-related diseases and to establish standards for reducing the risks associated with working in contaminated environments, the exact nature of the bioaerosol components must be defined. Molecular biology tools were used to evaluate airborne bacterial and, for the first time, archaeal content of dairy barns. Three air samplers were tested in each of the 13 barns sampled. Up to 10(6) archaeal and 10(8) bacterial 16S rRNA genes per m(3) of air were detected. Archaeal methanogens, mainly Methanobrevibacter species, were represented. Saccharopolyspora rectivirgula, the causative agent of farmer's lung, was quantified to up to 10(7) 16S rRNA genes per m(3) of air. In addition, a wide variety of bacterial agents were present in our air samples within the high airborne bioaerosol concentration range. Despite recommendations regarding hay preservation and baling conditions, farmers still develop an S. rectivirgula-specific humoral immune response, suggesting intense and continuous exposure. Our results demonstrate the complexity of bioaerosol components in dairy barns which could play a role in occupational respiratory diseases.

  17. Two-fold Mellin-Barnes transforms of Usyukina-Davydychev functions

    Energy Technology Data Exchange (ETDEWEB)

    Kniehl, Bernd [Hamburg Univ. (Germany). 2. Inst. fuer Theoretische Physik; Kondrashuk, Igor [Univ. del Bio Bio, Chillan (Chile). Dept. de Ciencias Basicas; Bielefeld Univ. (Germany). Fakultaet fuer Physik; Notte-Cuello, Eduardo A. [Univ. de La Serena (Chile). Dept. de Matematicas; Parra-Ferrada, Ivan [Univ. del Bio Bio, Chillan (Chile). Facultad de Educacion y Humanidades; Rojas-Medar, Marko [Univ. del Bio Bio, Chillan (Chile). Dept. de Ciencias Basicas

    2013-04-15

    In our previous paper (Nucl.Phys.B 870 (2013) 243) we showed that multi-fold Mellin-Barnes (MB) transforms of the Usyukina-Davydychev (UD) functions may be reduced to two-fold MB transforms. The MB transforms were written there as polynomials of logarithms of ratios of squares of the external momenta with certain coefficients. We also showed that these coefficients have a combinatoric origin. In this paper we present an explicit formula for these coefficients. The procedure of recovering the coefficients is based on taking the double uni-form limit in certain series of smooth functions of two variables which is constructed according to a pre-determined iterative way. The result is obtained by using basic methods of mathematical analysis. We observe that the finiteness of the limit of this iterative chain of smooth functions should reflect itself in other mathematical constructions, too, since it is not related in any way to the explicit form of the MB transforms.

  18. Two-fold Mellin–Barnes transforms of Usyukina–Davydychev functions

    Energy Technology Data Exchange (ETDEWEB)

    Kniehl, Bernd A., E-mail: kniehl@desy.de [II. Institut für Theoretische Physik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg (Germany); Kondrashuk, Igor [Grupo de Matemática Aplicada, Departamento de Ciencias Básicas, Universidad del Bío-Bío, Campus Fernando May, Casilla 447, Chillán (Chile); Fakultät für Physik, Universität Bielefeld, Universitätsstraße 25, 33615 Bielefeld (Germany); Notte-Cuello, Eduardo A. [Departamento de Matemáticas, Facultad de Ciencias, Universidad de La Serena, Av. Cisternas 1200, La Serena (Chile); Parra-Ferrada, Ivan [Carrera de Pedagogia en Matemática, Facultad de Educación y Humanidades, Universidad del Bío-Bío, Campus Castilla, Casilla 447, Chillán (Chile); Rojas-Medar, Marko [Grupo de Matemática Aplicada, Departamento de Ciencias Básicas, Universidad del Bío-Bío, Campus Fernando May, Casilla 447, Chillán (Chile)

    2013-11-01

    In our previous paper (Allendes et al., 2013 [10]), we showed that multi-fold Mellin–Barnes (MB) transforms of Usyukina–Davydychev (UD) functions may be reduced to two-fold MB transforms. The MB transforms were written there as polynomials of logarithms of ratios of squares of the external momenta with certain coefficients. We also showed that these coefficients have a combinatoric origin. In this paper, we present an explicit formula for these coefficients. The procedure of recovering the coefficients is based on taking the double-uniform limit in certain series of smooth functions of two variables which is constructed according to a pre-determined iterative way. The result is obtained by using basic methods of mathematical analysis. We observe that the finiteness of the limit of this iterative chain of smooth functions should reflect itself in other mathematical constructions, too, since it is not related in any way to the explicit form of the MB transforms. This finite double-uniform limit is represented in terms of a differential operator with respect to an auxiliary parameter which acts on the integrand of a certain two-fold MB integral. To demonstrate that our result is compatible with original representations of UD functions, we reproduce the integrands of these original integral representations by applying this differential operator to the integrand of the simple integral representation of the scalar triangle four-dimensional integral J(1,1,1−ε)

  19. The differential hippocampal phosphoproteome of Apodemus sylvaticus paralleling spatial memory retrieval in the Barnes maze.

    Science.gov (United States)

    Li, Lin; Csaszar, Edina; Szodorai, Edit; Patil, Sudarshan; Pollak, Arnold; Lubec, Gert

    2014-05-01

    Protein phosphorylation is a well-known and well-documented mechanism in memory processes. Although a large series of protein kinases involved in memory processes have been reported, information on phosphoproteins is limited. It was therefore the aim of the study to determine a partial and differential phosphoproteome along with the corresponding network in hippocampus of a wild caught mouse strain with excellent performance in several paradigms of spatial memory. Apodemus sylvaticus mice were trained in the Barnes maze, a non-invasive test system for spatial memory and untrained mice served as controls. Animals were sacrificed 6h following memory retrieval, hippocampi were taken, proteins extracted and in-solution digestion was carried out with subsequent iTRAQ double labelling. Phosphopeptides were enriched by a TiO2-based method and semi-quantified using two fragmentation principles on the LTQ-orbitrap Velos. In hippocampi of trained animals phosphopeptide levels representing signalling, neuronal, synaptosomal, cytoskeletal and metabolism proteins were at least twofold reduced or increased. Furthermore, a network revealing a link to pathways of ubiquitination, the androgen receptor, small GTPase Rab5 and MAPK signaling as well as synucleins was constructed. This work is relevant for interpretation of previous work and the design of future studies on protein phosphorylation in spatial memory.

  20. Solution to Bethe-Salpeter equation via Mellin-Barnes transform

    Energy Technology Data Exchange (ETDEWEB)

    Allendes, Pedro [Concepcion Univ. (Chile). Dept. de Fisica; Kniehl, Bernd [Hamburg Univ. (Germany). 2. Inst. fuer Theoretische Physik; Kondrashuk, Igor; Rojas Medar, Marko [Univ. del Bio-Bio, Chillan (Chile). Dept. de Ciencias Basicas; Notte Cuello, Eduardo A. [Univ. de La Serena (Chile). Facultad de Ciencias

    2012-06-15

    We consider Mellin-Barnes transform of triangle ladder-like scalar diagram in d=4 dimensions. It is shown how multi-fold MB transform of the momentum integral corresponding to any number of rungs is reduced to two-fold MB transform. For this purpose we use Belokurov-Usyukina reduction method for four-dimensional scalar integrals in the position space. The result is represented in terms of Euler {psi}-function and its derivatives. We derive new formulas for MB two-fold integration in the complex planes of two complex variables. We demonstrate that these formulas solve Bethe-Salpeter equation. We comment on further applications of solution to Bethe-Salpeter equation for vertices in N=4 supersymmetric Yang-Mills theory. We show that the recursive property of MB transforms observed in the present work for that kind of diagrams has nothing to do with quantum field theory, theory of integral transforms, or with theory of polylogarithms in general, but has an origin in a simple recursive property for smooth functions which can be shown by using basic methods of mathematical analysis.

  1. Solution to Bethe-Salpeter equation via Mellin-Barnes transform

    CERN Document Server

    Allendes, Pedro; Kondrashuk, Igor; Cuello, Eduardo A Notte; Medar, Marko Rojas

    2012-01-01

    We consider Mellin-Barnes transform of triangle ladder-like scalar diagram in d=4 dimensions. It is shown how multi-fold MB transform of the momentum integral corresponding to any number of rungs is reduced to two-fold MB transform. For this purpose we use Belokurov-Usyukina reduction method for four-dimensional scalar integrals in the position space. The result is represented in terms of Euler psi-function and its derivatives. We derive new formulas for MB two-fold integration in the complex planes of two complex variables. We demonstrate that these formulas solve Bethe-Salpeter equation. We comment on further applications of solution to Bethe-Salpeter equation for vertices in N=4 supersymmetric Yang-Mills theory. We show that the recursive property of MB transforms observed in the present work for that kind of diagrams has nothing to do with quantum field theory, theory of integral transforms, or with theory of polylogarithms in general, but has an origin in a simple recursive property for smooth functions ...

  2. A GPU accelerated Barnes-Hut tree code for FLASH4

    Science.gov (United States)

    Lukat, Gunther; Banerjee, Robi

    2016-05-01

    We present a GPU accelerated CUDA-C implementation of the Barnes Hut (BH) tree code for calculating the gravitational potential on octree adaptive meshes. The tree code algorithm is implemented within the FLASH4 adaptive mesh refinement (AMR) code framework and therefore fully MPI parallel. We describe the algorithm and present test results that demonstrate its accuracy and performance in comparison to the algorithms available in the current FLASH4 version. We use a MacLaurin spheroid to test the accuracy of our new implementation and use spherical, collapsing cloud cores with effective AMR to carry out performance tests also in comparison with previous gravity solvers. Depending on the setup and the GPU/CPU ratio, we find a speedup for the gravity unit of at least a factor of 3 and up to 60 in comparison to the gravity solvers implemented in the FLASH4 code. We find an overall speedup factor for full simulations of at least factor 1.6 up to a factor of 10.

  3. A GPU accelerated Barnes-Hut Tree Code for FLASH4

    CERN Document Server

    Lukat, Gunther

    2016-01-01

    We present a GPU accelerated CUDA-C implementation of the Barnes Hut (BH) tree code for calculating the gravita- tional potential on octree adaptive meshes. The tree code algorithm is implemented within the FLASH4 adaptive mesh refinement (AMR) code framework and therefore fully MPI parallel. We describe the algorithm and present test results that demonstrate its accuracy and performance in comparison to the algorithms available in the current FLASH4 version. We use a MacLaurin spheroid to test the accuracy of our new implementation and use spherical, collapsing cloud cores with effective AMR to carry out performance tests also in comparison with previous gravity solvers. Depending on the setup and the GPU/CPU ratio, we find a speedup for the gravity unit of at least a factor of 3 and up to 60 in comparison to the gravity solvers implemented in the FLASH4 code. We find an overall speedup factor for full simulations of at least factor 1.6 up to a factor of 10

  4. Quantitative genetics of migration syndromes: a study of two barn swallow populations.

    Science.gov (United States)

    Teplitsky, C; Mouawad, N G; Balbontin, J; De Lope, F; Møller, A P

    2011-09-01

    Migration is a complex trait although little is known about genetic correlations between traits involved in such migration syndromes. To assess the migratory responses to climate change, we need information on genetic constraints on evolutionary potential of arrival dates in migratory birds. Using two long-term data sets on barn swallows Hirundo rustica (from Spain and Denmark), we show for the first time in wild populations that spring arrival dates are phenotypically and genetically correlated with morphological and life history traits. In the Danish population, length of outermost tail feathers and wing length were negatively genetically correlated with arrival date. In the Spanish population, we found a negative genetic correlation between arrival date and time elapsed between arrival date and laying date, constraining response to selection that favours both early arrival and shorter delays. This results in a decreased rate of adaptation, not because of constraints on arrival date, but constraints on delay before breeding, that is, a trait that can be equally important in the context of climate change.

  5. A link between eumelanism and calcium physiology in the barn owl

    Science.gov (United States)

    Roulin, Alexandre; Dauwe, Tom; Blust, Ronny; Eens, Marcel; Beaud, Michel

    2006-09-01

    In many animals, melanin-based coloration is strongly heritable and is largely insensitive to the environment and body condition. According to the handicap principle, such a trait may not reveal individual quality because the production of different melanin-based colorations often entails similar costs. However, a recent study showed that the production of eumelanin pigments requires relatively large amounts of calcium, potentially implying that melanin-based coloration is associated with physiological processes requiring calcium. If this is the case, eumelanism may be traded-off against other metabolic processes that require the same elements. We used a correlative approach to examine, for the first time, this proposition in the barn owl, a species in which individuals vary in the amount, size, and blackness of eumelanic spots. For this purpose, we measured calcium concentration in the left humerus of 85 dead owls. Results showed that the humeri of heavily spotted individuals had a higher concentration of calcium. This suggests either that plumage spottiness signals the ability to absorb calcium from the diet for both eumelanin production and storage in bones, or that lightly spotted individuals use more calcium for metabolic processes at the expense of calcium storage in bones. Our study supports the idea that eumelanin-based coloration is associated with a number of physiological processes requiring calcium.

  6. In vivo Recordings from Low-Frequency Nucleus Laminaris in the Barn Owl.

    Science.gov (United States)

    Palanca-Castan, Nicolas; Köppl, Christine

    2015-01-01

    Localization of sound sources relies on 2 main binaural cues: interaural time differences (ITD) and interaural level differences. ITD computing is first carried out in tonotopically organized areas of the brainstem nucleus laminaris (NL) in birds and the medial superior olive (MSO) in mammals. The specific way in which ITD are derived was long assumed to conform to a delay line model in which arrays of systematically arranged cells create a representation of auditory space, with different cells responding maximally to specific ITD. This model conforms in many details to the particular case of the high-frequency regions (above 3 kHz) in the barn owl NL. However, data from recent studies in mammals are not consistent with a delay line model. A new model has been suggested in which neurons are not topographically arranged with respect to ITD and coding occurs through assessment of the overall response of 2 large neuron populations – 1 in each brainstem hemisphere. Currently available data comprise mainly low-frequency (owl and compare it to data from other avian and mammalian studies. Our data are consistent with a delay line model, so differences between ITD processing systems are more likely to have originated through divergent evolution of different vertebrate groups.

  7. “And all the windows, great and small”. Finestre in Nightwood di Djuna Barnes

    Directory of Open Access Journals (Sweden)

    Francesca Chiappini

    2015-01-01

    Full Text Available As a recurring subject and powerful symbol, the window dominates the female literary and artistic imagery of the twentieth century. It has been developed into mirror, photograph or painting, according to the writer’s needs, yet the basic shape of the frame is always retraceable. Among late modernist and postmodernist women writers, Djuna Barnes explores in detail the structural resources of this literary device. Although she already understands the potential of the frame in her early career as a journalist, she mostly challenges its extents of versatility in Nightwood (1936. Its crucial moments – either flashing epiphanies or missed catharsis – involve the physical presence of a window, which embodies a powerful narrative agent; more than mere symbol, it is active at several levels. Thematically, doors and windows, pictures and mirrors, play an important cohesive role. At a deeper stage of analysis, the structure of the novel itself is shored up by doors and windows, since the setting is essentially organized into indoors and outdoors scenes; windows and doors allow the characters to move between these two dimensions. On the metaphorical level, windows and doors represent a communicative channel; a room-door opening suggests the access to one’s inner life, whereas a shut window denies any chance of dialogue. However, all the characters seem to be too absorbed by their obsessions to realize such communicative potential, and rather meander uselessly in their mental frames.

  8. Misting and fan cooling of the rest area in a dairy barn

    Science.gov (United States)

    Calegari, Ferdinando; Calamari, Luigi; Frazzi, Ermes

    2012-03-01

    This summer study aimed to evaluate the effect on dairy cows, kept in a free stall barn equipped with fans and sprinklers in the feeding area, of the delivery rate of misters in a cooling system in rest areas with different bedding materials. Thirty cows were divided into two homogenous groups according to milk yield and kept in two pens: one had beds with sand (SAMM) while the other had straw (STLM). Each pen was equipped with 2 fans (Ø 70 cm, 0.50 kW) and 2 misters (delivery rate of 11.2 and 22.5 L/h in STLM and SAMM, respectively) in the rest area. Microclimatic parameters, rectal temperature (RT), breathing rate (BR), milk yield, and some milk traits were recorded. Behavioural routines of the cows (standing and lying) were also continuously recorded during the hotter days. During the trial, two mild-moderate heat waves were observed. During these hotter periods, the daily maximum temperature recorded in the rest areas was 28.9 in SAMM and 31.2 in STLM, and the daily maximum THI was 78.2 in SAMM and 81.5 in STLM. In these periods, the cows in SAMM compared with those in STLM showed lower BR ( P fans plus misters with mild wetting in rest areas with sand as bedding materials reduces heat stress and improves cow comfort.

  9. Efficient Implementation of the Barnes-Hut Octree Algorithm for Monte Carlo Simulations of Charged Systems

    CERN Document Server

    Gan, Zecheng

    2013-01-01

    Computer simulation with Monte Carlo is an important tool to investigate the function and equilibrium properties of many systems with biological and soft matter materials solvable in solvents. The appropriate treatment of long-range electrostatic interaction is essential for these charged systems, but remains a challenging problem for large-scale simulations. We have developed an efficient Barnes-Hut treecode algorithm for electrostatic evaluation in Monte Carlo simulations of Coulomb many-body systems. The algorithm is based on a divide-and-conquer strategy and fast update of the octree data structure in each trial move through a local adjustment procedure. We test the accuracy of the tree algorithm, and use it to computer simulations of electric double layer near a spherical interface. It has been shown that the computational cost of the Monte Carlo method with treecode acceleration scales as $\\log N$ in each move. For a typical system with ten thousand particles, by using the new algorithm, the speed has b...

  10. Biobanken i Den norske mor og barn undersøkelsen

    Directory of Open Access Journals (Sweden)

    Kjersti S. Rønningen

    2009-10-01

    Full Text Available  Biobanker for langtidslagring av biologisk materiale blir en viktigere og viktigere del av epidemiologiske studier. I planleggingen av en biobank er det en rekke avgjørelser som må tas for å sikre best mulig oppslutning både med hensyn til å få inn så mange prøver som mulig og å oppnå best mulig prøvekvalitet både på kort og lang sikt. Den norske mor og barn undersøkelsen (MoBa skal inkludere 100 000 svangerskap og følge mor, far og barn i lang tid fremover. Innsamlingen av data startet i ett fylke i 1999, og omfatter i dag hele landet. Siden det tas blodprøver to ganger fra hver kvinne, blodprøve fra far og navlesnorsblod frabarna, betydde dette at Biobanken for MoBa måtte planlegges for å kunne motta og langtidslagre over 380 000 prøvesett. Ved Biobanken ved Nasjonalt folkehelseinstitutt lagres fullblod, plasma, urin, DNA og spesialrør til senere RNA isolering. Rekruttering til MoBa foregår ved 52 av landets sykehus. Prøvene sendes per post til Biobanken ved Folkehelseinstituttet for prosessering. Per januar 2006 er over 200 000 prøvesett lagret ved Biobanken. Denne artikkelen gir en kortfattet oversikt over oppbyggingen av Biobanken og logistikken knyttet til innsamlingen av biologisk materiale, fra blodet tappes til det er sikkert lagret og klart til å tas ut på et senere tidspunkt, kanskje mange år inn i fremtiden.The biobank in The Norwegian Mother and Child Cohort Study.Long term storage of biological material is becoming a critical component of many epidemiological studies. In designing specimen repositories, efforts need to be made to balance future needs for samples with logistical constraints necessary to process and store samples in a timely fashion. The Norwegian Mother and Child Cohort Study was started in 1999 and aims at including 100,000 pregnancies, and will follow mother, father and child for many years to come. The Biobank was faced with the challenge to receive and store over 380,000 biological

  11. Cooling systems of the resting area in free stall dairy barn

    Science.gov (United States)

    Calegari, F.; Calamari, L.; Frazzi, E.

    2016-04-01

    A study during the summer season evaluated the effect of different cooling systems on behavioral and productive responses of Italian Friesian dairy cows kept in an experimental-free stall barn located in the Po Valley in Italy. The study involved 30 lactating dairy cows subdivided into two groups kept in two pens with external hard court paddock in each free stall. The same cooling system was applied in the feeding area in both pens. A different cooling system in the resting area was applied to the two pens: in the pen SW, the resting area was equipped with fans and misters; in the other, there was simple ventilation (SV). Breathing rate, rectal temperature, milk yield, and milk characteristics (fat, protein, and somatic cell count) were measured. Behavioral activities (standing and lying cows in the different areas, as well as the animals in the feed bunk) were recorded. Mild to moderate heat waves during the trial were observed. On average, the breathing rate was numerically greater in SV compared with SW cows (60.2 and 55.8 breath/min, respectively), and mean rectal temperature remained below 39 °C in both groups during the trial (on average 38.7 and 38.8 °C in SV and SW, respectively. During the hotter periods of the trial, the time spent lying indoor in the free stall was greater in SW (11.8 h/day) than SV (10.7 h/day). Conversely, the time spent standing indoor without feeding was greater in SV (4.3 h/day) than SW (3.8 h/day). Milk yield was slightly better maintained during hotter period in SW compared with SV and somatic cell count was also slightly greater in the former. In conclusion, the adoption of the cooling system by means of evaporative cooling also in the resting area reduces the alteration of time budget caused by heat stress.

  12. Sexual dimorphism in melanin pigmentation, feather coloration and its heritability in the barn swallow (Hirundo rustica).

    Science.gov (United States)

    Saino, Nicola; Romano, Maria; Rubolini, Diego; Teplitsky, Celine; Ambrosini, Roberto; Caprioli, Manuela; Canova, Luca; Wakamatsu, Kazumasa

    2013-01-01

    Melanin is the main pigment in animal coloration and considerable variation in the concentrations of the two melanin forms (pheo- and eumlanin) in pigmented tissues exists among populations and individuals. Melanin-based coloration is receiving increasing attention particularly in socio-sexual communication contexts because the melanocortin system has been hypothesized to provide a mechanistic basis for covariation between coloration and fitness traits. However, with few notable exceptions, little detailed information is available on inter-individual and inter-population variation in melanin pigmentation and on its environmental, genetic and ontogenetic components. Here, we investigate melanin-based coloration in an Italian population of a passerine bird, the barn swallow (Hirundo rustica rustica), its sex- and age-related variation, and heritability. The concentrations of eu- and pheomelanin in the throat (brown) and belly (white-to-brownish) feathers differed between sexes but not according to age. The relative concentration of either melanin (Pheo:Eu) differed between sexes in throat but not in belly feathers, and the concentrations in males compared to females were larger in belly than in throat feathers. There were weak correlations between the concentrations of melanins within as well as among plumage regions. Coloration of belly feathers was predicted by the concentration of both melanins whereas coloration of throat feathers was only predicted by pheomelanin in females. In addition, Pheo:Eu predicted coloration of throat feathers in females and that of belly feathers in males. Finally, we found high heritability of color of throat feathers. Melanization was found to differ from that recorded in Hirundo rustica rustica from Scotland or from H. r. erythrogaster from North America. Hence, present results show that pigmentation strategies vary in a complex manner according to sex and plumage region, and also among geographical populations, potentially

  13. Barn owl feathers as biomonitors of mercury: sources of variation in sampling procedures.

    Science.gov (United States)

    Roque, Inês; Lourenço, Rui; Marques, Ana; Coelho, João Pedro; Coelho, Cláudia; Pereira, Eduarda; Rabaça, João E; Roulin, Alexandre

    2016-04-01

    Given their central role in mercury (Hg) excretion and suitability as reservoirs, bird feathers are useful Hg biomonitors. Nevertheless, the interpretation of Hg concentrations is still questioned as a result of a poor knowledge of feather physiology and mechanisms affecting Hg deposition. Given the constraints of feather availability to ecotoxicological studies, we tested the effect of intra-individual differences in Hg concentrations according to feather type (body vs. flight feathers), position in the wing and size (mass and length) in order to understand how these factors could affect Hg estimates. We measured Hg concentration of 154 feathers from 28 un-moulted barn owls (Tyto alba), collected dead on roadsides. Median Hg concentration was 0.45 (0.076-4.5) mg kg(-1) in body feathers, 0.44 (0.040-4.9) mg kg(-1) in primary and 0.60 (0.042-4.7) mg kg(-1) in secondary feathers, and we found a poor effect of feather type on intra-individual Hg levels. We also found a negative effect of wing feather mass on Hg concentration but not of feather length and of its position in the wing. We hypothesize that differences in feather growth rate may be the main driver of between-feather differences in Hg concentrations, which can have implications in the interpretation of Hg concentrations in feathers. Finally, we recommend that, whenever possible, several feathers from the same individual should be analysed. The five innermost primaries have lowest mean deviations to both between-feather and intra-individual mean Hg concentration and thus should be selected under restrictive sampling scenarios.

  14. Klatring i trær og hyttebygging: - om barns lek og lekesteder ute

    Directory of Open Access Journals (Sweden)

    Merete Lund Fasting

    2015-07-01

    Full Text Available Abstract: This article describes 10 year old children`s play in nature during school hours. However, my result does equally reflect on children in kindergarden as well. Observation and conversation was used as methods as well as pictures. The children’s play in the trees and building huts was conducted in groups, and their communication was nonverbal with each other and with the nature. However; the girls reveal that they enjoy their conversations while being in the tree. The children often play at the same place over and over. This is significant to the evolution of the play and the children’s communication with their places in nature.Sammendrag: Denne artikkelen omhandler 10 år gamle barns lek på natursteder i skoletida. Selv om studien omhandler 10 åringer så kan kunnskapen den frembringer også være viktig for å forstå barnehagebarns lek og tilknytning til sine lekesteder i barnehagen. Metodene som ble brukt for å undersøke barnas lek var observasjoner og samtaler med barna, i tillegg til fotografier. Barnas lek i trærne og i hyttebyggingen karakteriseres ved at de er flere sammen, og barna har en kroppslig dialog med hverandre og omgivelsene i leken. Barna snakker i liten grad sammen om leken og hvordan de skal leke; deres kommunikasjon er hovedsakelig nonverbal. Men når jentene sitter i treet forteller de meg at de liker å sitte og snakke. Barna leker på steder hvor de har vært mye før, og dette har en betydning for barnas lek og barnas kommunikasjon med deres steder.

  15. A trade-off between reproduction and feather growth in the barn swallow (Hirundo rustica.

    Directory of Open Access Journals (Sweden)

    Nicola Saino

    Full Text Available Physiological trade-offs mediated by limiting energy, resources or time constrain the simultaneous expression of major functions and can lead to the evolution of temporal separation between demanding activities. In birds, plumage renewal is a demanding activity, which accomplishes fundamental functions, such as allowing thermal insulation, aerodynamics and socio-sexual signaling. Feather renewal is a very expensive and disabling process, and molt is often partitioned from breeding and migration. However, trade-offs between feather renewal and breeding have been only sparsely studied. In barn swallows (Hirundo rustica breeding in Italy and undergoing molt during wintering in sub-Saharan Africa, we studied this trade-off by removing a tail feather from a large sample of individuals and analyzing growth bar width, reflecting feather growth rate, and length of the growing replacement feather in relation to the stage in the breeding cycle at removal and clutch size. Growth bar width of females and length of the growing replacement feather of both sexes were smaller when the original feather had been removed after clutch initiation. Importantly, in females both growth bar width and replacement feather length were negatively predicted by clutch size, and more strongly so for large clutches and when feather removal occurred immediately after clutch completion. Hence, we found strong, coherent evidence for a trade-off between reproduction, and laying effort in particular, and the ability to generate new feathers. These results support the hypothesis that the derived condition of molting during wintering in long-distance migrants is maintained by the costs of overlapping breeding and molt.

  16. Cooling systems of the resting area in free stall dairy barn.

    Science.gov (United States)

    Calegari, F; Calamari, L; Frazzi, E

    2016-04-01

    A study during the summer season evaluated the effect of different cooling systems on behavioral and productive responses of Italian Friesian dairy cows kept in an experimental-free stall barn located in the Po Valley in Italy. The study involved 30 lactating dairy cows subdivided into two groups kept in two pens with external hard court paddock in each free stall. The same cooling system was applied in the feeding area in both pens. A different cooling system in the resting area was applied to the two pens: in the pen SW, the resting area was equipped with fans and misters; in the other, there was simple ventilation (SV). Breathing rate, rectal temperature, milk yield, and milk characteristics (fat, protein, and somatic cell count) were measured. Behavioral activities (standing and lying cows in the different areas, as well as the animals in the feed bunk) were recorded. Mild to moderate heat waves during the trial were observed. On average, the breathing rate was numerically greater in SV compared with SW cows (60.2 and 55.8 breath/min, respectively), and mean rectal temperature remained below 39 °C in both groups during the trial (on average 38.7 and 38.8 °C in SV and SW, respectively. During the hotter periods of the trial, the time spent lying indoor in the free stall was greater in SW (11.8 h/day) than SV (10.7 h/day). Conversely, the time spent standing indoor without feeding was greater in SV (4.3 h/day) than SW (3.8 h/day). Milk yield was slightly better maintained during hotter period in SW compared with SV and somatic cell count was also slightly greater in the former. In conclusion, the adoption of the cooling system by means of evaporative cooling also in the resting area reduces the alteration of time budget caused by heat stress.

  17. Effect of summer grazing on welfare of dairy cows reared in mountain tie-stall barns

    Directory of Open Access Journals (Sweden)

    Simonetta Dovier

    2010-09-01

    Full Text Available Traditional mountain farms have an important economic, social and environmental role. The Alps management system for dairy cows consists of animals kept indoors from autumn to spring, mostly in tie-stalls, and moved to mountain pasture in summer. The aim of our study was to assess the effect of mountain summer grazing on the welfare of dairy cows housed in tie-stall barns. Twenty-four farms were considered. In twelve of them, animals were reared in tie-stalls and moved to mountain pasture for three months in summer; they were visited three times: (i four weeks before grazing during the indoor period in the stall; (ii about three weeks after the start of grazing; and (iii in the stall, in autumn, at least three weeks after returning from grazing. The other twelve farms kept the animals in tie-stalls all year; they were visited once in autumn. Data were collected following a protocol that considers animal-based measures and structure information on the basis of Quality Welfare Consortium® indications. Data allowed the calculation of both the Animal Needs Index score (ANI 35L and an overall assessment of the cows’ welfare obtained from three general aspects: housing, animal’s physical condition, and animal’s behaviour. Summer grazing had a significant positive effect on injuries, lameness and animal’s rising duration but a negative effect on faeces consistency. Moreover, a reduction of tongue playing was observed. The ANI 35L and the overall assessment did not show significant differences linked to summer grazing, which tended to have a positive but temporary effect on animal behaviour.

  18. In vitro production of tumor necrosis factor-alpha by human monocytes stimulated with lipopolysaccharide is positively correlated with increased blood monocytes after exposure to a swine barn.

    Science.gov (United States)

    Willson, P J; Khozani, T Talaei; Juurlink, B H J; Senthilselvan, A; Rennie, D C; Gerdts, V; Gawaziuk, J; Schneberger, D; Burch, Lauranell H; Dosman, J A

    2008-01-01

    Recently there has been interest in the air quality in and around intensive livestock production facilities, such as modern swine production barns, where agricultural workers and surrounding residents may be exposed to elevated levels of organic dusts. The health effects of these exposures are not completely understood. The study that is reported here is a component of a larger investigation of the relationships among the acute effects of high-concentration endotoxin exposure (swine barn dust), polymorphisms in the TLR4 gene, and respiratory outcomes following exposure to swine confinement buildings. The relationships among a mediator of acute lung inflammation, tumor necrosis factor alpha (TNF-alpha), and clinical responses to acute swine barn exposure were characterized. Analysis of the results showed that in vitro stimulation of human monocytes with as little as 1 ng/ml of lipopolysaccharide (LPS) produced a significant increase in the monocytes that produced TNF-alpha. Although the proportion of TNF-alpha-positive monocytes after in vitro stimulation with 1 ng/ml of LPS was not associated with gender or TLR4 genotype, it was positively associated with the concentration of monocytes in blood after barn exposure. Thus, these two responses to different forms of LPS exposure are significantly correlated, and more responsive monocytes in vitro indicate a forthcoming relative monocytosis, post barn exposure, which may initiate a cascade of chronic inflammation.

  19. Clock gene variation is associated with breeding phenology and maybe under directional selection in the migratory barn swallow.

    Directory of Open Access Journals (Sweden)

    Manuela Caprioli

    Full Text Available BACKGROUND: In diverse taxa, photoperiodic responses that cause seasonal physiological and behavioural shifts are controlled by genes, including the vertebrate Clock orthologues, that encode for circadian oscillator mechanisms. While the genetic network behind circadian rhythms is well described, relatively few reports exist of the phenological consequences of and selection on Clock genes in the wild. Here, we investigated variation in breeding phenology in relation to Clock genetic diversity in a long-distance migratory bird, the barn swallow (Hirundo rustica. METHODOLOGY/PRINCIPAL FINDINGS: In a sample of 922 adult barn swallows from a single population breeding in Italy we found one very common (Q(7 and three rare (Q(5, Q(6, Q(8 length variants of a functionally significant polyglutamine repeat. Rare (2.9% Q(7/Q(8 heterozygous females, but not males, bred significantly later than common (91.5% Q(7/Q(7 females, consistent with the expectation that 'long' alleles cause late breeding, as observed in a resident population of another bird species. Because breeding date depends on arrival date from migration, present results suggest that the association between breeding date and Clock might be mediated by migration phenology. In addition, fecundity selection appears to be operating against Q(7/Q(8 because late migrating/breeding swallows have fewer clutches per season, and late breeding has additional negative selection effects via reduced offspring longevity. Genotype frequencies varied marginally non-significantly with age, as Q(7/Q(8 frequency showed a 4-fold reduction in old individuals. This result suggests negative viability selection against Q(7/Q(8, possibly mediated by costs of late breeding. CONCLUSIONS/SIGNIFICANCE: This is the first study of migratory birds showing an association between breeding phenology and Clock genotype and suggesting that negative selection occurs on a phenologically deviant genotype. Low polymorphism at Clock may

  20. Sexual Dimorphism and Population Differences in Structural Properties of Barn Swallow (Hirundo rustica Wing and Tail Feathers.

    Directory of Open Access Journals (Sweden)

    Péter L Pap

    Full Text Available Sexual selection and aerodynamic forces affecting structural properties of the flight feathers of birds are poorly understood. Here, we compared the structural features of the innermost primary wing feather (P1 and the sexually dimorphic outermost (Ta6 and monomorphic second outermost (Ta5 tail feathers of barn swallows (Hirundo rustica from a Romanian population to investigate how sexual selection and resistance to aerodynamic forces affect structural differences among these feathers. Furthermore, we compared structural properties of Ta6 of barn swallows from six European populations. Finally, we determined the relationship between feather growth bars width (GBW and the structural properties of tail feathers. The structure of P1 indicates strong resistance against aerodynamic forces, while the narrow rachis, low vane density and low bending stiffness of tail feathers suggest reduced resistance against airflow. The highly elongated Ta6 is characterized by structural modifications such as large rachis width and increased barbule density in relation to the less elongated Ta5, which can be explained by increased length and/or high aerodynamic forces acting at the leading tail edge. However, these changes in Ta6 structure do not allow for full compensation of elongation, as reflected by the reduced bending stiffness of Ta6. Ta6 elongation in males resulted in feathers with reduced resistance, as shown by the low barb density and reduced bending stiffness compared to females. The inconsistency in sexual dimorphism and in change in quality traits of Ta6 among six European populations shows that multiple factors may contribute to shaping population differences. In general, the difference in quality traits between tail feathers cannot be explained by the GBW of feathers. Our results show that the material and structural properties of wing and tail feathers of barn swallows change as a result of aerodynamic forces and sexual selection, although the

  1. Natural selection in a postglacial range expansion: the case of the colour cline in the European barn owl.

    Science.gov (United States)

    Antoniazza, Sylvain; Kanitz, Ricardo; Neuenschwander, Samuel; Burri, Reto; Gaigher, Arnaud; Roulin, Alexandre; Goudet, Jérôme

    2014-11-01

    Gradients of variation--or clines--have always intrigued biologists. Classically, they have been interpreted as the outcomes of antagonistic interactions between selection and gene flow. Alternatively, clines may also establish neutrally with isolation by distance (IBD) or secondary contact between previously isolated populations. The relative importance of natural selection and these two neutral processes in the establishment of clinal variation can be tested by comparing genetic differentiation at neutral genetic markers and at the studied trait. A third neutral process, surfing of a newly arisen mutation during the colonization of a new habitat, is more difficult to test. Here, we designed a spatially explicit approximate Bayesian computation (ABC) simulation framework to evaluate whether the strong cline in the genetically based reddish coloration observed in the European barn owl (Tyto alba) arose as a by-product of a range expansion or whether selection has to be invoked to explain this colour cline, for which we have previously ruled out the actions of IBD or secondary contact. Using ABC simulations and genetic data on 390 individuals from 20 locations genotyped at 22 microsatellites loci, we first determined how barn owls colonized Europe after the last glaciation. Using these results in new simulations on the evolution of the colour phenotype, and assuming various genetic architectures for the colour trait, we demonstrate that the observed colour cline cannot be due to the surfing of a neutral mutation. Taking advantage of spatially explicit ABC, which proved to be a powerful method to disentangle the respective roles of selection and drift in range expansions, we conclude that the formation of the colour cline observed in the barn owl must be due to natural selection.

  2. Measurement of heat stress conditions at cow level and comparison to climate conditions at stationary locations inside a dairy barn.

    Science.gov (United States)

    Schüller, Laura K; Heuwieser, Wolfgang

    2016-08-01

    The objectives of this study were to examine heat stress conditions at cow level and to investigate the relationship to the climate conditions at 5 different stationary locations inside a dairy barn. In addition, we compared the climate conditions at cow level between primiparous and multiparous cows for a period of 1 week after regrouping. The temperature-humidity index (THI) differed significantly between all stationary loggers. The lowest THI was measured at the window logger in the experimental stall and the highest THI was measured at the central logger in the experimental stall. The THI at the mobile cow loggers was 2·33 THI points higher than at the stationary loggers. Furthermore, the mean daily THI was higher at the mobile cow loggers than at the stationary loggers on all experimental days. The THI in the experimental pen was 0·44 THI points lower when the experimental cow group was located inside the milking parlour. The THI measured at the mobile cow loggers was 1·63 THI points higher when the experimental cow group was located inside the milking parlour. However, there was no significant difference for all climate variables between primiparous and multiparous cows. These results indicate, there is a wide range of climate conditions inside a dairy barn and especially areas with a great distance to a fresh air supply have an increased risk for the occurrence of heat stress conditions. Furthermore, the heat stress conditions are even higher at cow level and cows not only influence their climatic environment, but also generate microclimates within different locations inside the barn. Therefore climate conditions should be obtained at cow level to evaluate the heat stress conditions that dairy cows are actually exposed to.

  3. EVALUATION OF PERCEIVED QUALITY OF THE WEBSITE OF AN ONLINE BOOKSTORE: AN EMPIRICAL APPLICATION OF THE BARNES AND VIDGEN MODEL

    Directory of Open Access Journals (Sweden)

    Ueliton da Costa Leonidio

    2011-05-01

    Full Text Available This paper’s objective is to evaluate the perceived quality of the Website of an online bookstore using the Barnes and Vidgen Model. Implemented over the Internet, this empirical research collected data on the perceived quality of the Website, used to sell products and online services. The questionnaire used to gather the data was answered by a convenience sample of 213 respondents. The importance of quality attributes and the dimension of perceived quality were investigated. The results indicate that the three dimensions named Reliability, Usability and Information were the most noticeable.

  4. The effects of apparatus design and test procedure on learning and memory performance of C57BL/6J mice on the Barnes maze.

    Science.gov (United States)

    O'Leary, Timothy P; Brown, Richard E

    2012-01-30

    The Barnes maze is a visuo-spatial learning and memory test originally designed for use with rats, and later adapted for use with mice. The Barnes maze design and test procedure vary across studies using mice, but the effects of variation in Barnes maze design and test procedure on learning and memory in mice have not yet been investigated. Therefore the present experiment investigates whether test procedures, such as the number of habituation trials and parameters of the probe trial (correct zone size and trial length) influence learning and memory performance on three Barnes maze designs that differed in size and the presence of a wall with intra-maze visual cues. Performance was compared across the three mazes to determine how apparatus design influences visuo-spatial cue use. The number of habituation trials and parameters of the probe trial had small effects on learning and memory performance. Apparatus design, had little effect on acquisition performance but had a significant effect on memory performance. Mice on a maze with a small diameter, external wall and intra-maze visual cues had very poor visuo-spatial memory relative to mice tested on small and large diameter mazes without a wall or intra-maze visual cues. Assessment of visuo-spatial cue use indicated that mice do not rely on visuo-spatial cues to locate the escape hole on the small-diameter maze with a wall and intra-maze visual cues, but show reliable visuo-spatial cue use on small or large diameter mazes with no wall. These results indicate that apparatus design influences search strategy use and memory performance on the Barnes maze, and that including a wall around the edge of the Barnes maze decreases visuo-spatial cue use.

  5. Effect of Applying Surplus Heat Sharing in Bulk Curing Barn%密集烤房余热共享应用效果研究

    Institute of Scientific and Technical Information of China (English)

    张丽英; 谢帮金; 杨启冰; 刘勇; 李立新; 齐飞

    2014-01-01

    通过比较余热共享密集烤房与无余热共享密集烤房在烘烤过程中能耗和鲜干比值的变化,研究了余热共享密集烤房的应用效果。结果表明:余热共享密集烤房的耗煤量、耗电量和鲜干比值均优于无余热共享密集烤房,有效地降低了烘烤成本。密集烤房通过余热共享,可以降低顶层烟叶烘烤后的含青度,提高顶层烟叶烘烤质量。%The effect of applying surplus heat sharing in bulk curing barn was studied by comparing the variation of energy consumption and ratio of dry weight to fresh weight in flue-curing process between bulk curing barn with surplus heat sharing and normal bulk curing barn. The results showed that in comparison normal bulk curing barn, the coal consumption, the power consumption and the ratio of dry weight to fresh weight of bulk curing barn with surplus heat sharing were all relatively better, thus reducing the curing cost effectively. Through surplus heat sharing, the bulk curing barn can reduce the green degree of top layer tobacco leaves after curing, thus improving the curing quality of top layer tobacco leaves.

  6. Final report : results of the 2006-2007 investigation of potential contamination at the former CCC/USDA facility in Barnes, Kansas.

    Energy Technology Data Exchange (ETDEWEB)

    LaFreniere, L. M.; Environmental Science Division

    2008-08-28

    The 2006-2007 investigation of carbon tetrachloride and chloroform contamination at Barnes, Kansas, was conducted at the request of the Kansas Department of Health and Environment (KDHE). The Environmental Science Division of Argonne National Laboratory implemented the investigation on behalf of the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA). The overall goal of the investigation was to establish criteria for monitoring leading to potential site reclassification. The investigation objectives were to (1) determine the hydraulic gradient near the former CCC/USDA facility, (2) delineate the downgradient carbon tetrachloride plume, and (3) design and implement an expanded monitoring network at Barnes (Argonne 2006a).

  7. Foraging at the edge of the world: low-altitude, high-speed manoeuvering in barn swallows.

    Science.gov (United States)

    Warrick, Douglas R; Hedrick, Tyson L; Biewener, Andrew A; Crandell, Kristen E; Tobalske, Bret W

    2016-09-26

    While prior studies of swallow manoeuvering have focused on slow-speed flight and obstacle avoidance in still air, swallows survive by foraging at high speeds in windy environments. Recent advances in field-portable, high-speed video systems, coupled with precise anemometry, permit measures of high-speed aerial performance of birds in a natural state. We undertook the present study to test: (i) the manner in which barn swallows (Hirundo rustica) may exploit wind dynamics and ground effect while foraging and (ii) the relative importance of flapping versus gliding for accomplishing high-speed manoeuvers. Using multi-camera videography synchronized with wind-velocity measurements, we tracked coursing manoeuvers in pursuit of prey. Wind speed averaged 1.3-2.0 m s(-1) across the atmospheric boundary layer, exhibiting a shear gradient greater than expected, with instantaneous speeds of 0.02-6.1 m s(-1) While barn swallows tended to flap throughout turns, they exhibited reduced wingbeat frequency, relying on glides and partial bounds during maximal manoeuvers. Further, the birds capitalized on the near-earth wind speed gradient to gain kinetic and potential energy during both flapping and gliding turns; providing evidence that such behaviour is not limited to large, fixed-wing soaring seabirds and that exploitation of wind gradients by small aerial insectivores may be a significant aspect of their aeroecology.This article is part of the themed issue 'Moving in a moving medium: new perspectives on flight'.

  8. a Comparison of Laser Scanning and Structure from Motion as Applied to the Great Barn at Harmondsworth, UK

    Science.gov (United States)

    Andrews, D. P.; Bedford, J.; Bryan, P. G.

    2013-07-01

    The great barn at Harmondsworth near London Heathrow airport, United Kingdom (UK), was built in 1426-7 for the Bishop of Winchester. At 58 metres long and 11.4 metres wide, it is one of the largest ever known to have been built in the UK, and the largest intact medieval timber-framed barn in England. The barn is built almost entirely of oak, although the walls rest on a low masonry sill-wall. Internally the space is divided into a central "nave" with a lower aisle to each side, and is divided along its length into 12 bays. There are three doorways on the east side. For an entirely timber-framed barn, the fabric is exceptionally well preserved. Even the external weatherboarding may be partly original. Following years of neglect, however, there are a number of on-going structural and conservation problems, so in 2011 the barn was bought by English Heritage in order to allow these needs to be addressed. English Heritage is the government agency responsible for the historic sites and buildings in the care of the state of England and is also the UK government's lead advisor on the built heritage. As one of the first steps in the conservation process the English Heritage Geospatial Imaging and Imaging & Visualisation teams undertook a four-day campaign of survey data collection. This took the form of laser scanning of the interior and exterior of the barn plus the acquisition of photography of the exterior elevations to be used with structure from motion (SFM) software. A comparison of the results of these complimentary yet potentially competing technologies will be given, as well as an evaluation of when they can be successfully used together. This paper will describe the procedures and problems involved with collecting the survey data and its subsequent analysis. The laser scanning was undertaken using a FARO Focus 3D phase based instrument. Approximately 60 scans were acquired in order to provide as comprehensive as possible coverage given the site circumstances. A

  9. Sex-linked inheritance, genetic correlations and sexual dimorphism in three melanin-based colour traits in the barn owl.

    Science.gov (United States)

    Roulin, A; Jensen, H

    2015-03-01

    Theory states that genes on the sex chromosomes have stronger effects on sexual dimorphism than genes on the autosomes. Although empirical data are not necessarily consistent with this theory, this situation may prevail because the relative role of sex-linked and autosomally inherited genes on sexual dimorphism has rarely been evaluated. We estimated the quantitative genetics of three sexually dimorphic melanin-based traits in the barn owl (Tyto alba), in which females are on average darker reddish pheomelanic and display more and larger black eumelanic feather spots than males. The plumage traits with higher sex-linked inheritance showed lower heritability and genetic correlations, but contrary to prediction, these traits showed less pronounced sexual dimorphism. Strong offspring sexual dimorphism primarily resulted from daughters not expressing malelike melanin-based traits and from sons expressing femalelike traits to similar degrees as their sisters. We conclude that in the barn owl, polymorphism at autosomal genes rather than at sex-linked genes generate variation in sexual dimorphism in melanin-based traits.

  10. Muscular Arrangement and Muscle Attachment Sites in the Cervical Region of the American Barn Owl (Tyto furcata pratincola).

    Science.gov (United States)

    Boumans, Mark L L M; Krings, Markus; Wagner, Hermann

    2015-01-01

    Owls have the largest head rotation capability amongst vertebrates. Anatomical knowledge of the cervical region is needed to understand the mechanics of these extreme head movements. While data on the morphology of the cervical vertebrae of the barn owl have been provided, this study is aimed to provide an extensive description of the muscle arrangement and the attachment sites of the muscles on the owl's head-neck region. The major cervical muscles were identified by gross dissection of cadavers of the American barn owl (Tyto furcata pratincola), and their origin, courses, and insertion were traced. In the head-neck region nine superficial larger cervical muscles of the craniocervical, dorsal and ventral subsystems were selected for analysis, and the muscle attachment sites were illustrated in digital models of the skull and cervical vertebrae of the same species as well as visualised in a two-dimensional sketch. In addition, fibre orientation and lengths of the muscles and the nature (fleshy or tendinous) of the attachment sites were determined. Myological data from this study were combined with osteological data of the same species. This improved the anatomical description of the cervical region of this species. The myological description provided in this study is to our best knowledge the most detailed documentation of the cervical muscles in a strigiform species presented so far. Our results show useful information for researchers in the field of functional anatomy, biomechanical modelling and for evolutionary and comparative studies.

  11. Muscular Arrangement and Muscle Attachment Sites in the Cervical Region of the American Barn Owl (Tyto furcata pratincola.

    Directory of Open Access Journals (Sweden)

    Mark L L M Boumans

    Full Text Available Owls have the largest head rotation capability amongst vertebrates. Anatomical knowledge of the cervical region is needed to understand the mechanics of these extreme head movements. While data on the morphology of the cervical vertebrae of the barn owl have been provided, this study is aimed to provide an extensive description of the muscle arrangement and the attachment sites of the muscles on the owl's head-neck region. The major cervical muscles were identified by gross dissection of cadavers of the American barn owl (Tyto furcata pratincola, and their origin, courses, and insertion were traced. In the head-neck region nine superficial larger cervical muscles of the craniocervical, dorsal and ventral subsystems were selected for analysis, and the muscle attachment sites were illustrated in digital models of the skull and cervical vertebrae of the same species as well as visualised in a two-dimensional sketch. In addition, fibre orientation and lengths of the muscles and the nature (fleshy or tendinous of the attachment sites were determined. Myological data from this study were combined with osteological data of the same species. This improved the anatomical description of the cervical region of this species. The myological description provided in this study is to our best knowledge the most detailed documentation of the cervical muscles in a strigiform species presented so far. Our results show useful information for researchers in the field of functional anatomy, biomechanical modelling and for evolutionary and comparative studies.

  12. "Det är ett vanligt barn, även om det är lite speciellt" : Några förskollärares syn på begreppet barn i behov av särskilt stöd

    OpenAIRE

    Vuento, Noora; Waldenström, Inger

    2013-01-01

    Syftet med denna studie var att undersöka hur några förskollärare ser på begreppet barn i behov av särskilt stöd och vilka barn som omfattas av begreppet enligt dem. De forskningsfrågor vi ställde var hur förskollärare definierar begreppet barn i behov av särskilt stöd, hur förskollärare gör bedömningen av vilka barn som är i behov av särskilt stöd samt hur förskollärare tolkar förskolans uppdrag när det gäller barn i behov av särskilt stöd. För att undersöka dessa frågor använde vi oss av kv...

  13. Dairy barns and roll-over protection on farm tractors: work environment impacts on the adoption of roll-over protective structures.

    Science.gov (United States)

    Kelsey, T W; Dennis, J W; Jenkins, P L

    1994-04-01

    A mailed survey of one group of dairy farmers supports the informal perception that roll-over protective structure (ROPS)-equipped tractors are considered unusable for in-barn tasks. This attitude must be addressed in order to achieve greater use of safety equipment.

  14. Study of $ \\bar{p} $ and $ \\bar{n} $ annihilations at LEAR with OBELIX, a large acceptance and high resolution detector based on the Open Axial Field Spectrometer

    CERN Multimedia

    2002-01-01

    % PS201 Study of $\\bar{p}$ and $\\bar{n}$ annihilations at LEAR with OBELIX, a large acceptance and high resolution detector based on the Open Axial Field Spectrometer \\\\ \\\\OBELIX is designed to study exclusive final states of antiproton and antineutron annihilations at low energies with protons and nuclei. \\\\ \\\\The physics motivations of the experiment are:\\\\ \\\\\\begin{itemize} \\item (gg, ggg), hybrids ($ q \\bar{q} g $), multiquarks ($ q q \\bar{q} \\bar{q} $) and light mesons ($ q \\bar{q} $) produced in $ N \\bar{N} $ annihilations and study of their spectroscopy and decays. Also broad structures will be searched for by comparing identical decay modes in exclusive final states of the same type occuring from initial states with different angular momentum or isospin. \\item Study of the dynamics of $ N \\bar{N} $ interactions and of the dependence of the final and intermediate resonant states of annihilation upon the quantum numbers of the initial $ N \\bar{N} $ state (angular momentum: S and P-wave in $\\bar{p}p $ at...

  15. Tests of the Aversive Summation Hypothesis in Rats: Effects of Restraint Stress on Consummatory Successive Negative Contrast and Extinction in the Barnes Maze

    Science.gov (United States)

    Ortega, Leonardo A.; Prado-Rivera, Mayerli A.; Cardenas-Poveda, D. Carolina; McLinden, Kristina A.; Glueck, Amanda C.; Gutierrez, German; Lamprea, Marisol R.; Papini, Mauricio R.

    2013-01-01

    The present research explored the effects of restraint stress on two situations involving incentive downshift: consummatory successive negative contrast (cSNC) and extinction of escape behavior in the Barnes maze. First, Experiment 1 confirmed that the restraint stress procedure used in these experiments increased levels of circulating…

  16. Continuous measurement of reticuloruminal pH values in dairy cows during the transition period from barn to pasture feeding using an indwelling wireless data transmitting unit.

    Science.gov (United States)

    Gasteiner, J; Horn, M; Steinwidder, A

    2015-04-01

    This study was performed to investigate the effect of the transition from barn feeding to pasture on the pattern of reticuloruminal pH values in 8 multiparous dairy cows. A indwelling wireless data transmitting system for pH measurement was given to 8 multiparous cows orally. Reticuloruminal pH values were measured every 600 s over a period of 42 days. After 7 days of barn feeding (period 1), all of the animals were pastured with increasing grazing times from 2 to 7 h/day over 7 days (period 2). From day 15 to day 21 (period 3), the cows spent 7 h/day on pasture. Beginning on day 22, the animals had 20 h/day access to pasture (day and night grazing). To study reticuloruminal adaptation to pasture feeding, the phase of day and night grazing was subdivided into another 3 weekly periods (periods 4-6). Despite a mild transition period from barn feeding to pasture, significant effects on reticuloruminal pH values were observed. During barn feeding, the mean reticuloruminal pH value for all of the cows was 6.44 ± 0.14, and the pH values decreased significantly (p pH values increased again (pH 6.25 ± 0.22; pH 6.31 ± 0.17; pH 6.37 ± 0.16). Our results showed that the animals had significantly lowered reticuloruminal pH during the periods of feed transition from barn to pasture feeding. Despite these significant changes, the decrease was not harmful, as indicated by data of feed intake and milk production.

  17. Sex-related effects of an immune challenge on growth and begging behavior of barn swallow nestlings.

    Science.gov (United States)

    Romano, Andrea; Rubolini, Diego; Caprioli, Manuela; Boncoraglio, Giuseppe; Ambrosini, Roberto; Saino, Nicola

    2011-01-01

    Parent-offspring conflicts lead the offspring to evolve reliable signals of individual quality, including parasite burden, which may allow parents to adaptively modulate investment in the progeny. Sex-related variation in offspring reproductive value, however, may entail differential investment in sons and daughters. Here, we experimentally manipulated offspring condition in the barn swallow (Hirundo rustica) by subjecting nestlings to an immune challenge (injection with bacterial lipopolysaccharide, LPS) that simulates a bacterial infection, and assessed the effects on growth, feather quality, expression of morphological (gape coloration) and behavioral (posture) begging displays involved in parent-offspring communication, as well as on food allocation by parents. Compared to sham-injected controls, LPS-treated chicks suffered a depression of body mass and a reduction of palate color saturation. In addition, LPS treatment resulted in lower feather quality, with an increase in the occurrence of fault bars on wing feathers. The color of beak flanges, feather growth and the intensity of postural begging were affected by LPS treatment only in females, suggesting that chicks of either sex are differently susceptible to the immune challenge. However, irrespective of the effects of LPS, parents equally allocated food among control and challenged offspring both under normal food provisioning and after a short period of food deprivation of the chicks. These results indicate that bacterial infection and the associated immune response entail different costs to offspring of either sex, but a decrease in nestling conditions does not affect parental care allocation, possibly because the barn swallow adopts a brood-survival strategy. Finally, we showed that physiological stress induced by pathogens impairs plumage quality, a previously neglected major negative impact of bacterial infection which could severely affect fitness, particularly among long-distance migratory birds.

  18. Phylogenetic systematics of Barn Owl (Tyto alba (Scopoli, 1769 complex inferred from mitochondrial rDNA (16S rRNA taxonomic implication

    Directory of Open Access Journals (Sweden)

    Mansour Aliabadian

    2012-09-01

    Full Text Available The Barn owl, Tyto alba (Scopoli, 1769, occurs worldwide and shows a considerable amount of morphological and geographical variations, leading to the recognition of many subspecies throughout the world. Yet, no comprehensive study has not been done on this species. Data from mitochondrial gene (16S Ribosomal RNA (16S with 569 bp length were analyzed for 41 individuals around the world. Maximum likelihood (ML, maximum parsimony (MP and Bayesian analysis showed two distinct clades including alba clad (old world and furcata clad (new world. The amount of genetic variation within each of these clades ranged from 0.5-1.7 but variation between clades was 3.7. This data may suggest that Barn owls of the Old World may be a separate species from those of the New World.

  19. Phylogenetic systematics of Barn Owl (Tyto alba (Scopoli, 1769)) complex inferred from mitochondrial rDNA (16S rRNA) taxonomic implication

    OpenAIRE

    2012-01-01

    The Barn owl, Tyto alba (Scopoli, 1769), occurs worldwide and shows a considerable amount of morphological and geographical variations, leading to the recognition of many subspecies throughout the world. Yet, no comprehensive study has not been done on this species. Data from mitochondrial gene (16S Ribosomal RNA (16S)) with 569 bp length were analyzed for 41 individuals around the world. Maximum likelihood (ML), maximum parsimony (MP) and Bayesian analysis showed two distinct clades includin...

  20. Barn owl (Tyto alba predation on small mammals and its role in the control of hantavirus natural reservoirs in a periurban area in southeastern Brazil

    Directory of Open Access Journals (Sweden)

    L. Magrini

    Full Text Available The aim of this study was to inventory the species of small mammals in Uberlândia, Minas Gerais, Brazil, based on regurgitated pellets of the barn owl and to compare the frequency of rodent species in the diet and in the environment. Since in the region there is a high incidence of hantavirus infection, we also evaluate the importance of the barn owl in the control of rodents that transmit the hantavirus. Data on richness and relative abundance of rodents in the municipality were provided by the Centro de Controle de Zoonoses, from three half-yearly samplings with live traps. In total, 736 food items were found from the analysis of 214 pellets and fragments. Mammals corresponded to 86.0% of food items and were represented by one species of marsupial (Gracilinanus agilis and seven species of rodents, with Calomys tener (70.9% and Necromys lasiurus (6.7% being the most frequent. The proportion of rodent species in barn owl pellets differed from that observed in trap samplings, with Calomys expulsus, C. tener and Oligoryzomys nigripes being consumed more frequently than expected. Although restricted to a single place and based on few individuals, the present study allowed the inventory of eight species of small mammals in Uberlândia. The comparison of the relative frequencies of rodent species in the diet and in the environment indicated selectivity. The second most preyed upon species was N. lasiurus, the main hantavirus reservoir in the Cerrado biome. In this way, the barn owl might play an important role in the control of this rodent in the region, contributing to the avoidance of a higher number of cases of hantavirus infection.

  1. Low variation in the polymorphic Clock gene poly-Q region despite population genetic structure across barn swallow (Hirundo rustica populations.

    Directory of Open Access Journals (Sweden)

    Roi Dor

    Full Text Available Recent studies of several species have reported a latitudinal cline in the circadian clock gene, Clock, which influences rhythms in both physiology and behavior. Latitudinal variation in this gene may hence reflect local adaptation to seasonal variation. In some bird populations, there is also an among-individual association between Clock poly-Q genotype and clutch initiation date and incubation period. We examined Clock poly-Q allele variation in the Barn Swallow (Hirundo rustica, a species with a cosmopolitan geographic distribution and considerable variation in life-history traits that may be influenced by the circadian clock. We genotyped Barn Swallows from five populations (from three subspecies and compared variation at the Clock locus to that at microsatellite loci and mitochondrial DNA (mtDNA. We found very low variation in the Clock poly-Q region, as >96% of individuals were homozygous, and the two other alleles at this locus were globally rare. Genetic differentiation based on the Clock poly-Q locus was not correlated with genetic differentiation based on either microsatellite loci or mtDNA sequences. Our results show that high diversity in Clock poly-Q is not general across avian species. The low Clock variation in the background of heterogeneity in microsatellite and mtDNA loci in Barn Swallows may be an outcome of stabilizing selection on the Clock locus.

  2. Genetic divergence analysis of the Common Barn Owl Tyto alba (Scopoli, 1769) and the Short-eared Owl Asio flammeus (Pontoppidan, 1763) from southern Chile using COI sequence

    Science.gov (United States)

    Colihueque, Nelson; Gantz, Alberto; Rau, Jaime Ricardo; Parraguez, Margarita

    2015-01-01

    Abstract In this paper new mitochondrial COI sequences of Common Barn Owl Tyto alba (Scopoli, 1769) and Short-eared Owl Asio flammeus (Pontoppidan, 1763) from southern Chile are reported and compared with sequences from other parts of the World. The intraspecific genetic divergence (mean p-distance) was 4.6 to 5.5% for the Common Barn Owl in comparison with specimens from northern Europe and Australasia and 3.1% for the Short-eared Owl with respect to samples from north America, northern Europe and northern Asia. Phylogenetic analyses revealed three distinctive groups for the Common Barn Owl: (i) South America (Chile and Argentina) plus Central and North America, (ii) northern Europe and (iii) Australasia, and two distinctive groups for the Short-eared Owl: (i) South America (Chile and Argentina) and (ii) north America plus northern Europe and northern Asia. The level of genetic divergence observed in both species exceeds the upper limit of intraspecific comparisons reported previously for Strigiformes. Therefore, this suggests that further research is needed to assess the taxonomic status, particularly for the Chilean populations that, to date, have been identified as belonging to these species through traditional taxonomy. PMID:26668551

  3. Genetic divergence analysis of the Common Barn Owl Tyto alba (Scopoli, 1769) and the Short-eared Owl Asio flammeus (Pontoppidan, 1763) from southern Chile using COI sequence.

    Science.gov (United States)

    Colihueque, Nelson; Gantz, Alberto; Rau, Jaime Ricardo; Parraguez, Margarita

    2015-01-01

    In this paper new mitochondrial COI sequences of Common Barn Owl Tyto alba (Scopoli, 1769) and Short-eared Owl Asio flammeus (Pontoppidan, 1763) from southern Chile are reported and compared with sequences from other parts of the World. The intraspecific genetic divergence (mean p-distance) was 4.6 to 5.5% for the Common Barn Owl in comparison with specimens from northern Europe and Australasia and 3.1% for the Short-eared Owl with respect to samples from north America, northern Europe and northern Asia. Phylogenetic analyses revealed three distinctive groups for the Common Barn Owl: (i) South America (Chile and Argentina) plus Central and North America, (ii) northern Europe and (iii) Australasia, and two distinctive groups for the Short-eared Owl: (i) South America (Chile and Argentina) and (ii) north America plus northern Europe and northern Asia. The level of genetic divergence observed in both species exceeds the upper limit of intraspecific comparisons reported previously for Strigiformes. Therefore, this suggests that further research is needed to assess the taxonomic status, particularly for the Chilean populations that, to date, have been identified as belonging to these species through traditional taxonomy.

  4. Low Variation in the Polymorphic Clock Gene Poly-Q Region Despite Population Genetic Structure across Barn Swallow (Hirundo rustica) Populations

    Science.gov (United States)

    Dor, Roi; Lovette, Irby J.; Safran, Rebecca J.; Billerman, Shawn M.; Huber, Gernot H.; Vortman, Yoni; Lotem, Arnon; McGowan, Andrew; Evans, Matthew R.; Cooper, Caren B.; Winkler, David W.

    2011-01-01

    Recent studies of several species have reported a latitudinal cline in the circadian clock gene, Clock, which influences rhythms in both physiology and behavior. Latitudinal variation in this gene may hence reflect local adaptation to seasonal variation. In some bird populations, there is also an among-individual association between Clock poly-Q genotype and clutch initiation date and incubation period. We examined Clock poly-Q allele variation in the Barn Swallow (Hirundo rustica), a species with a cosmopolitan geographic distribution and considerable variation in life-history traits that may be influenced by the circadian clock. We genotyped Barn Swallows from five populations (from three subspecies) and compared variation at the Clock locus to that at microsatellite loci and mitochondrial DNA (mtDNA). We found very low variation in the Clock poly-Q region, as >96% of individuals were homozygous, and the two other alleles at this locus were globally rare. Genetic differentiation based on the Clock poly-Q locus was not correlated with genetic differentiation based on either microsatellite loci or mtDNA sequences. Our results show that high diversity in Clock poly-Q is not general across avian species. The low Clock variation in the background of heterogeneity in microsatellite and mtDNA loci in Barn Swallows may be an outcome of stabilizing selection on the Clock locus. PMID:22216124

  5. 天然气水暖集中供热密集烤房设备的研究%Study on the bulk curing barn with central water heating by natural gas

    Institute of Scientific and Technical Information of China (English)

    任杰; 孙福山; 刘治清; 徐世峰; 许建设; 沈始权

    2013-01-01

      针对我国烟叶烘烤设备对煤炭依赖度高、环境污染重、烘烤用工量大的问题,利用液化天然气(LNG)为气源,集成LNG 气化技术、水暖集中供热技术,设计建造了天然气水暖集中供热密集烤房,并进行了烘烤试验。结果表明:天然气水暖集中供热密集烤房升温准,控温稳,能够满足烤烟密集烘烤对温湿度的要求。虽然较燃煤密集烤房能耗成本有所增加,但改善了烤后烟叶的外观质量,提高了上等烟比例,减少了烘烤用工和大气污染物排放量。%In order to resolve the problems of the bulk curing barn which depended on coal, contaminated environment and needed much labor, the bulk curing barn with central water heating by natural gas (gas fired bulk curing barn) utilizing liquefied natural gas as gas source was designed and built using liquefied natural gas gasification technique and central water heating supply technique. Effects of the bulk curing barn with central water heating by natural gas were investigated. The results indicated that heating-up of the gas fired bulk curing barn was very quick and sensitive to meet the temperature and humidity requirements of tobacco flue-curing. The gas fired bulk curing barn improved the surface quality of cured tobacco leaves and increased the proportion of classy cured tobacco leaves. Employment and emission amount of atmospheric pollutant of the gas fired bulk curing barn were less than that of the coal fired bulk curing barn, but the final cost of the gas fired bulk curing barn was more than that of the coal fired bulk curing barn.

  6. Barnes-Evans relations for dwarfs with an application to the determination of distances to cataclysmic variables

    CERN Document Server

    Beuermann, K

    2006-01-01

    Barnes-Evans type relations provide an empirical relationship between the surface brightness of stars and their color. They are widely used for measuring the distances to stars of known radii, as the Roche-lobe filling secondaries in cataclysmic variables (CVs). The calibration of the surface brightness of field dwarfs of near-solar metalicity with spectral types A0 to L8 covers all secondary spectral types detectable in CVs and related objects and will aid in the measurement of their distances. The calibrations are based on the radii of field dwarfs measured by the Infrared Flux Method and by interferometry. Published photometry is used and homogenized to the Cousins Rc and Ic and the CIT JHK photometric systems. The narrow band surface brightness at 7500A is based on our own and published spectrophotometry. Care is taken to select the dwarfs for near-solar metalicity, appropriate to CVs, and to avoid errors caused by unrecognized binarity. Relations are provided for the surface brightness in V, Rc, Ic, J, H...

  7. Effect of voluntary physical exercise and post-training epinephrine on acquisition of a spatial task in the barnes maze.

    Science.gov (United States)

    Jacotte-Simancas, Alejandra; Costa-Miserachs, David; Torras-Garcia, Meritxell; Coll-Andreu, Margalida; Portell-Cortés, Isabel

    2013-06-15

    A number of experiments have shown that physical exercise improves acquisition and retention for a variety of learning tasks in rodents. Most of these works have been conducted with tasks associated with a considerable level of stress, physical effort and/or food deprivation that might interact with exercise, thus hindering the interpretation of the results. On the other hand, it is well established that post-training epinephrine is able to facilitate memory consolidation, but only a few works have studied its effect on the process of acquisition. The present work was aimed at studying whether 17 days of voluntary physical exercise (running wheels) and/or post-training epinephrine (0.01 or 0.05 mg/kg) could improve the acquisition of a spatial task in the Barnes maze, and whether the combination of the two treatments have additive effects. Our results showed that exercise improved acquisition, and 0.01 mg/kg of epinephrine tended to enhance it, by reducing the distance needed to find the escape hole. The combination of both treatments failed to further improve the acquisition level. We concluded that both treatments exerted their effect on acquisition by enhancing the process of learning itself, and that exercise is able to improve acquisition even using tasks with a low level of stress and physical effort.

  8. Migration phenology and breeding success are predicted by methylation of a photoperiodic gene in the barn swallow.

    Science.gov (United States)

    Saino, Nicola; Ambrosini, Roberto; Albetti, Benedetta; Caprioli, Manuela; De Giorgio, Barbara; Gatti, Emanuele; Liechti, Felix; Parolini, Marco; Romano, Andrea; Romano, Maria; Scandolara, Chiara; Gianfranceschi, Luca; Bollati, Valentina; Rubolini, Diego

    2017-03-31

    Individuals often considerably differ in the timing of their life-cycle events, with major consequences for individual fitness, and, ultimately, for population dynamics. Phenological variation can arise from genetic effects but also from epigenetic modifications in DNA expression and translation. Here, we tested if CpG methylation at the poly-Q and 5'-UTR loci of the photoperiodic Clock gene predicted migration and breeding phenology of long-distance migratory barn swallows (Hirundo rustica) that were tracked year-round using light-level geolocators. Increasing methylation at Clock poly-Q was associated with earlier spring departure from the African wintering area, arrival date at the European breeding site, and breeding date. Higher methylation levels also predicted increased breeding success. Thus, we showed for the first time in any species that CpG methylation at a candidate gene may affect phenology and breeding performance. Methylation at Clock may be a candidate mechanism mediating phenological responses of migratory birds to ongoing climate change.

  9. Importance of Farmland in Urbanized Areas as a Landscape Component for Barn Swallows ( Hirundo rustica) Nesting on Concrete Buildings

    Science.gov (United States)

    Osawa, Takeshi

    2015-05-01

    Urbanization is one of the key factors in the population declines of many species. Conversely, some species may favor urbanized areas. The barn swallow Hirundo rustica is well known to breed in urban areas of Japan, and uses both urban and farmland areas as habitat during the breeding season. Specifically, this species often nests on concrete buildings and feeds in surrounding farmland. Therefore, it was hypothesized that H. rustica is not strongly influenced by heavy urbanization and benefits from farmland areas, even if they are not near its nests. In this study, I evaluated the landscape components around H. rustica nests situated on concrete buildings, focusing on both urbanized and farmland areas. In particular, I explored the occurrence of H. rustica nests at train stations in the Kinki region of Japan. Assisted by 124 citizen scientists, I analyzed the landscape components around the train stations at multiple spatial scales. Results showed that the occurrence of H. rustica nests was negatively influenced by both urbanized land area and road density, whereas nest occurrence was positively influenced by farmland area and river density. These results suggest that H. rustica does not prefer urbanized areas overall, but can rather utilize urbanized areas primarily as nesting spots. Therefore, H. rustica cannot breed in heavily urbanized areas without feeding sites such as farmland or riparian areas.

  10. Description of 44 biosecurity errors while entering and exiting poultry barns based on video surveillance in Quebec, Canada.

    Science.gov (United States)

    Racicot, Manon; Venne, Daniel; Durivage, André; Vaillancourt, Jean-Pierre

    2011-07-01

    The effectiveness of biosecurity measures depends largely on the consistency of their applications by all those involved in poultry production. Unfortunately, poor biosecurity compliance has been reported repeatedly in poultry, as well in all other major animal productions. As part of a larger study, we conducted an investigation on eight poultry farms in Quebec, Canada, to evaluate compliance of existing biosecurity measures using hidden cameras. The objectives were to evaluate and describe the application of biosecurity measures when entering and exiting poultry barns. A total of 44 different mistakes were observed from 883 visits done by 102 different individuals. On average, four errors were recorded per visit. The maximum number of errors made by one individual during one visit was 14. People observed over several visits made on average six different errors. Twenty-seven out of the 44 errors (61.4%) were related to area delimitation (clean versus contaminated), six to boots (13.6%), five to hand washing (11.4%), three to coveralls (6.8%) and three to logbooks (6.8%). The nature and frequency of errors suggest a lack of understanding of biosecurity principles. There is thus a need to improve biosecurity training by making educational material available to all poultry personnel demonstrating why and how to apply biosecurity measures.

  11. Expression of Multiple Sexual Signals by Fathers and Sons in the East-Mediterranean Barn Swallow: Are Advertising Strategies Heritable?

    Science.gov (United States)

    Vortman, Yoni; Safran, Rebecca J.; Reiner Brodetzki, Tali; Dor, Roi; Lotem, Arnon

    2015-01-01

    The level of expression of sexually selected traits is generally determined by genes, environment and their interaction. In species that use multiple sexual signals which may be costly to produce, investing in the expression of one sexual signal may limit the expression of the other, favoring the evolution of a strategy for resource allocation among signals. As a result, even when the expression of sexual signals is condition dependent, the relative level of expression of each signal may be heritable. We tested this hypothesis in the East-Mediterranean barn swallow (Hirundo rustica transitiva), in which males have been shown to express two uncorrelated sexual signals: red-brown ventral coloration, and long tail streamers. We show that variation in both signals may partially be explained by age, as well as by paternal origin (genetic father-son regressions), but that the strongest similarity between fathers and sons is the relative allocation towards one trait or the other (relative expression index), rather than the expression of the traits themselves. These results suggest that the expression of one signal is not independent of the other, and that genetic strategies for resource allocation among sexual signals may be selected for during the evolution of multiple sexual signals. PMID:25679206

  12. Expression of multiple sexual signals by fathers and sons in the East-Mediterranean barn swallow: are advertising strategies heritable?

    Directory of Open Access Journals (Sweden)

    Yoni Vortman

    Full Text Available The level of expression of sexually selected traits is generally determined by genes, environment and their interaction. In species that use multiple sexual signals which may be costly to produce, investing in the expression of one sexual signal may limit the expression of the other, favoring the evolution of a strategy for resource allocation among signals. As a result, even when the expression of sexual signals is condition dependent, the relative level of expression of each signal may be heritable. We tested this hypothesis in the East-Mediterranean barn swallow (Hirundo rustica transitiva, in which males have been shown to express two uncorrelated sexual signals: red-brown ventral coloration, and long tail streamers. We show that variation in both signals may partially be explained by age, as well as by paternal origin (genetic father-son regressions, but that the strongest similarity between fathers and sons is the relative allocation towards one trait or the other (relative expression index, rather than the expression of the traits themselves. These results suggest that the expression of one signal is not independent of the other, and that genetic strategies for resource allocation among sexual signals may be selected for during the evolution of multiple sexual signals.

  13. Cassia spectabilis (DC Irwin et Barn: A Promising Traditional Herb in Health Improvement

    Directory of Open Access Journals (Sweden)

    Subramanian Deivanai

    2012-08-01

    Full Text Available The genus Cassia, comprising about 600 species widely distributed worldwide is well known for its diverse biological and pharmacological properties. Cassia spectabilis (sin Senna spectabilis (DC Irwin et Barn (Fabaceae is widely grown as an ornamental plant in tropical and subtropical areas. C. spectabilis has been commonly used in traditional medicine for many years. Information in the biomedical literature has indicated the presence of a variety of medicinally-important chemical constituents in C. spectabilis. Pharmacological studies by various groups of investigators have shown that C. spectabilis possesses significant biological activity, such as antibacterial, antibiofilm, antifungal and antioxidant properties. Beside this, toxicity studies of this plant have revealed no toxic effect on mice. In view of the immense medicinal importance of C. spectabilis, this review aimed at compiling all currently available information on C. spectabilis’s botany, phytochemistry, pharmacology, and mechanism of actions, toxicology and its ethnomedicinal uses.

  14. Migration phenology and breeding success are predicted by methylation of a photoperiodic gene in the barn swallow

    Science.gov (United States)

    Saino, Nicola; Ambrosini, Roberto; Albetti, Benedetta; Caprioli, Manuela; De Giorgio, Barbara; Gatti, Emanuele; Liechti, Felix; Parolini, Marco; Romano, Andrea; Romano, Maria; Scandolara, Chiara; Gianfranceschi, Luca; Bollati, Valentina; Rubolini, Diego

    2017-01-01

    Individuals often considerably differ in the timing of their life-cycle events, with major consequences for individual fitness, and, ultimately, for population dynamics. Phenological variation can arise from genetic effects but also from epigenetic modifications in DNA expression and translation. Here, we tested if CpG methylation at the poly-Q and 5′-UTR loci of the photoperiodic Clock gene predicted migration and breeding phenology of long-distance migratory barn swallows (Hirundo rustica) that were tracked year-round using light-level geolocators. Increasing methylation at Clock poly-Q was associated with earlier spring departure from the African wintering area, arrival date at the European breeding site, and breeding date. Higher methylation levels also predicted increased breeding success. Thus, we showed for the first time in any species that CpG methylation at a candidate gene may affect phenology and breeding performance. Methylation at Clock may be a candidate mechanism mediating phenological responses of migratory birds to ongoing climate change. PMID:28361883

  15. The Study Result of the Solar Energy Application on Bulk Curing Barn%密集烤房的太阳能改造与应用研究

    Institute of Scientific and Technical Information of China (English)

    汪炳华; 徐天养; 肖华; 向成高; 何兵; 江红甲; 党云波; 李润涛

    2011-01-01

    为在烤烟烘烤期间利用太阳能替代部分燃煤,以达到节能减排的目的,对现有的密集烤房进行太阳能改造,在屋顶加装太阳能加热室,吸收太阳能并加热太阳能加热室内空气,高温空气通过内循环管道与烤房的加热室、装烟室连通,提供辅助热源。太阳能循环风机由温差控制器控制。对改造的太阳能密集烤房进行烘烤效应研究,结果表明密集型烤房的太阳能改造简单易行,经济实用,节能效果明显;太阳能提供的热量可满足烟叶烘烤前期的需要,每千克干烟耗能比改造前降低20%~24%,烘烤烟叶质量与普通密集烤房所烤烟叶质量相当,社会效益与经济效益明显,在光照好的烟区具有一定的推广价值。%In order to achieve energy conservation and emission reduction,a combination of energy from solar and coal has been built up based on a bulk curing barn by installing a solar heat system on the top of a bulk curing barn roof which are comprised of a heat room with valve controlled by a fan,lighting and heating transformation sheet and automatic temperature monitor.This study was focused on how much effect of the solar heating system could be as a supplemental energy to curing process,It has been turned out that not only a significant energy reduction has been achieved,but this modification bulk curing barn were easily constructed and economical,the solar energy could supply all heating from the early stage of tobacco curing process.The modified solar curing barn could save 20%-24%coal consumption per kg drying leaf as the one from a bulk curing barn at achieving the equivalent leaf quality.It has shown an encouraging prospective of benefit for economy and society especially on emission reduction and worthwhile for those area with abundant solar resource to extend this technology.

  16. Interaktionens betydelse för barns lärande - en studie av barns möte med slöjd i förskolan

    Directory of Open Access Journals (Sweden)

    Eva Ahlskog-Björkman

    2014-06-01

    Full Text Available Syftet med den här artikeln är att diskutera på vilket sätt interaktion och socialt samspel har betydelse för hur barn i förskolan kan engageras i en lärandeprocess. Den empiriska studien utgörs av en  videofilmad episod över en vävaktivitet i förskola. Genom att använda videografisk observation kan mänsklig aktivitet beskrivas och av den anledningen används  videografi som metodologisk ansats. I studien analyseras på vilket sätt interaktionen mellan de som är närvarande, oberoende av barnens ålder, kan bidra till att stimulera den lärande aktiviteten. Barnens slöjdaktivitet beaktas ur ett sociokulturellt lärandeperspektiv. Ett centralt tema inom detta perspektiv är kommunikation där språket och redskapen står för de medierande faktorerna. Barnens kontakt med redskapen och deras upplevelser och erfarande av slöjdaktiviteten diskuteras i relation till den närmaste utvecklingszonen. Ytterligare beaktas den videofilmade sekvensen ur ett socialt perspektiv där barnpedagogens agerande gentemot barnen lyfts fram och diskuteras. Analys och tolkning av datamaterialet strävar efter att synliggöra mänsklig interaktion och dess betydelse för att motivera och engagera barnen i deras slöjdaktivitet.  

  17. Early-Life Telomere Dynamics Differ between the Sexes and Predict Growth in the Barn Swallow (Hirundo rustica.

    Directory of Open Access Journals (Sweden)

    Marco Parolini

    Full Text Available Telomeres are conserved DNA-protein structures at the termini of eukaryotic chromosomes which contribute to maintenance of genome integrity, and their shortening leads to cell senescence, with negative consequences for organismal functions. Because telomere erosion is influenced by extrinsic and endogenous factors, telomere dynamics may provide a mechanistic basis for evolutionary and physiological trade-offs. Yet, knowledge of fundamental aspects of telomere biology under natural selection regimes, including sex- and context-dependent variation in early-life, and the covariation between telomere dynamics and growth, is scant. In this study of barn swallows (Hirundo rustica we investigated the sex-dependent telomere erosion during nestling period, and the covariation between relative telomere length and body and plumage growth. Finally, we tested whether any covariation between growth traits and relative telomere length depends on the social environment, as influenced by sibling sex ratio. Relative telomere length declined on average over the period of nestling maximal growth rate (between 7 and 16 days of age and differently covaried with initial relative telomere length in either sex. The frequency distribution of changes in relative telomere length was bimodal, with most nestlings decreasing and some increasing relative telomere length, but none of the offspring traits predicted the a posteriori identified group to which individual nestlings belonged. Tail and wing length increased with relative telomere length, but more steeply in males than females, and this relationship held both at the within- and among-broods levels. Moreover, the increase in plumage phenotypic values was steeper when the sex ratio of an individual's siblings was female-biased. Our study provides evidence for telomere shortening during early life according to subtly different dynamics in either sex. Furthermore, it shows that the positive covariation between growth and

  18. Mammal prey of the Barn Owl (Tyto alba in Parque Luro Reserve, La Pampa, Argentina

    Directory of Open Access Journals (Sweden)

    Sergio Tiranti

    1994-05-01

    Full Text Available Abstract The diet of the barn owl was studied through the analysis of pellets obtained in various sites within the Parque Luro reserve, located in an area of xerophyte Caldén forests. The study of 1241 prey items revealed a high dominance of the cricetid rodents Calomys sp., Akodon molinae and Eligmodontia typus, followed by other 8 species of rodents, one species of marsupial and undetermined birds and anuran amphibians. For comparing the diets from a relatively undisturbed forested area (Parque Luro and a deforested site, two subcollections of pellets were analyzed. Differences in FNB values and in the prevalence and composition of prey assemblages were observed between these areas. Riassunto Mammiferi predati dal Barbagianni (Tyto alba nella Riserva Parque Luro, La Pampa, Argentina - La dieta del Barbagianni (Tyto alba è stata studiata attraverso l'analisi delle borre ottenute in varie località all'interno della riserva Parque Luro, situata in un'area con boschi xerofili a Prosopis caldenia. Lo studio di 1241 campioni ha rivelato un'elevata prevalenza di roditori cricetidi Calomys sp., Akodon molinae and Eligmodontia typus, seguiti da altre 8 specie di roditori, una specie di marsupiali e uccelli e anfibi anuri indeterminati. Per il confronto delle diete sono state analizzate due sub-raccolte di borre di rapaci provenienti da un'area boscata relativamente indisturbata e da un sito disboscato. In queste aree sono state osservate differenze nei valori della FNB e nella prevalenza e composizione delle prede.

  19. Longevity and lifetime reproductive success of barn swallow offspring are predicted by their hatching date and phenotypic quality.

    Science.gov (United States)

    Saino, Nicola; Romano, Maria; Ambrosini, Roberto; Rubolini, Diego; Boncoraglio, Giuseppe; Caprioli, Manuela; Romano, Andrea

    2012-09-01

    1. Longevity is a major determinant of individual differences in Darwinian fitness. Several studies have analyzed the stochastic, time-dependent causes of variation in longevity, but little information exists from free-ranging animal populations on the effects that environmental conditions and phenotype early in ontogeny have on duration of life. 2. In this long-term (1993-2011) study of a migratory, colonial, passerine bird, the barn swallow (Hirundo rustica), we analyzed longevity and, in a subsample of individuals, lifetime reproductive success (LRS) of the offspring that reached sexual maturity in relation to hatching date, which can affect the rearing environment through a seasonal deterioration in ecological conditions. Moreover, we analyzed the consequences of variation in body size and, for the first time in any species, of a major component of immunity on longevity, both by looking at absolute phenotypic values and at deviations from the brood mean. 3. Accelerated failure time models showed that individuals of both sexes that hatched early in any breeding season enjoyed larger longevity and larger LRS, indicating directional selection for early breeding. Both male and female offspring with large T cell-mediated immune response relative to their siblings and female nestlings that dominated the brood size/age hierarchy had larger longevity than their siblings of inferior phenotypic quality/age. Conversely, absolute phenotypic values did not predict longevity. 4. Frailty modelling disclosed marked spatial heterogeneity in longevity among colonies of origin, again stressing the impact of rearing conditions on longevity. 5. This study therefore reinforces the notion that perinatal environment and maternal decisions over timing and site of breeding, and position in the brood hierarchy can have marked effects on progeny life history that extend well into adulthood. In addition, it provides the first evidence from any bird population in the wild that immune

  20. The cervical spine of the American barn owl (Tyto furcata pratincola: I. Anatomy of the vertebrae and regionalization in their S-shaped arrangement.

    Directory of Open Access Journals (Sweden)

    Markus Krings

    Full Text Available BACKGROUND: Owls possess an extraordinary neck and head mobility. To understand this mobility it is necessary to have an anatomical description of cervical vertebrae with an emphasis on those criteria that are relevant for head positioning. No functional description specific to owls is available. METHODOLOGY/PRINCIPAL FINDINGS: X-ray films and micro-CT scans were recorded from American barn owls (Tyto furcata pratincola and used to obtain three-dimensional head movements and three-dimensional models of the 14 cervical vertebrae (C1-C14. The diameter of the vertebral canal, the zygapophyseal protrusion, the distance between joint centers, and the pitching angle were quantified. Whereas the first two variables are purely osteological characteristics of single vertebrae, the latter two take into account interactions between vertebrae. These variables change in characteristic ways from cranial to caudal. The vertebral canal is wide in the cranial and caudal neck regions, but narrow in the middle, where both the zygapophyseal protrusion and the distance between joint centers are large. Pitching angles are more negative in the cranial and caudal neck regions than in the middle region. Cluster analysis suggested a complex regionalization. Whereas the borders (C1 and C13/C14 formed stable clusters, the other cervical vertebrae were sorted into 4 or 5 additional clusters. The borders of the clusters were influenced by the variables analyzed. CONCLUSIONS/SIGNIFICANCE: A statistical analysis was used to evaluate the regionalization of the cervical spine in the barn owl. While earlier measurements have shown that there appear to be three regions of flexibility of the neck, our indicators suggest 3-7 regions. These many regions allow a high degree of flexibility, potentially facilitating the large head turns that barn owls are able to make. The cervical vertebral series of other species should also be investigated using statistical criteria to further

  1. Research on Improving the Capacity of Bulk Curing Barn%提高密集烤房烤能的研究

    Institute of Scientific and Technical Information of China (English)

    刘卫华; 董世峰; 宋子峰; 邱军; 肖鹏; 牛柱峰; 杨宏伟; 刘洪杰

    2011-01-01

    为提高密集烤房产能,达到减工降本、提高烘烤质量、增加烟农效益的目标,对10座3层密集烤房进行了"3改4"处理。结果表明,改造后同等大小的烤房装烟容量同比提高23.5%,烤能比改造前提高30%,干烟成本由改造前的1.94元/kg降至1.76元/kg,节能效果较为可观。烘烤时间增加了24 h,有力地促进了烟叶的后熟,提高了烟叶的品质,单位产量虽略有下降,但上等烟及中上等烟的比例均有较大提高,产值比改造前提高3.8%。%To improve the capacity of bulk curing barn and baking quality, we turned three-floor into four-floor bulk curing barns, which could cut down the cost and energy consumption. The results showed that, the capacity was 23.5% higher than before, the weight of flue-cured tobacco of one barn was 30% heavier than before. In terms of energy consumption, the cost of dry tobacco fell from 1.94 yuan/kg to 1.76 yuan/kg. Baking time extended,which promoted tobacco after-ripening, and improved the quality of tobacco. Though the output was less than before, the proportion of upper class and the mid-upper class, tobacco increased, Interest increased by 3.8%.

  2. 采运烤一体化烤房挂筐式烘烤烟叶的效应%Effects of Tobacco Harvesting Roast Integration Barn Basket Baking

    Institute of Scientific and Technical Information of China (English)

    刘久羽; 阚宏伟; 胡向丹; 张大斌; 孙建生; 邓泳; 张纪利

    2014-01-01

    In order to simplify the baking process of tobacco and reduce tobacco baking cost,the current widespread use of tobacco baking bulk curing barn was transformed and the tobacco harvesting roast basket type curing effect of hanging barn integration was studied in this paper.The results showed that logging roast integration barn basket baking could promote the transformation of tobacco inclusions and aroma precursors,promote the coordination of chemical composition,increase the content of neutral aroma substances and improve the proportion of high class leaf.it could save labor quantity 8.45,reduce baked cost 659.01 Yuan when baked fresh tobacco 4000 kg,and net income increased 939.01 Yuan each 600 kg dry tobacco.%为简化烟叶烘烤工作环节和降低烟叶烘烤成本,利用目前烟叶烘烤普遍使用的密集烤房进行改造,研究了烟叶采运烤一体化烤房的挂筐式烘烤效应。结果表明:采运烤一体化烤房挂筐式烘烤能够促进烟叶内含物和香气前体物质的转化,促进化学成分的协调性及中性香气物质的含量,提高上等烟叶比例。采烤4000 kg 鲜烟可节约用工数量8.45个,烟叶采烤成本降低659.01元;烤后干烟叶(600 kg)纯收入增加939.01元。

  3. Remaining Sites Verification Package for the 132-F-1, 141-F Chronic Feeding Sheep Barn, Waste Site Reclassification Form 2006-029

    Energy Technology Data Exchange (ETDEWEB)

    L. M. Dittmer

    2006-08-23

    The 132-F-1 site is the former location of the 141-F Chronic Feeding Sheep Barn that was part of the experimental animal farm at the 100-F Area. It was an L-shaped concrete block building with a concrete floor and concrete animal pens located both inside and outside the building. The 141-F Building was demolished in 1977 following relocation of animal research to the 300 Area. The results of verification sampling demonstrated that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also showed that residual contaminant concentrations are protective of groundwater and the Columbia River.

  4. 密集烤房在烤烟生产中的优势及效益分析%Advantage and Benefit Analysis of Bulk Curing Barn in Production of Flue-cured Tobacco

    Institute of Scientific and Technical Information of China (English)

    罗元雄; 蔡坤伦; 龚德勇

    2012-01-01

    The article introduces the baking technologies and main operating points of bulk curing barn in the production of flue -cured tobacco. The bulk curing barn possesses the advantages of less labor cost, lower energy consumption, better quality, higher economic benefit and so on. The author puts forward the following suggestions: expediting the construction of bulk curing barn in Anlong county of Guizhou province, enhancing the study on the curing technologies of tobacco leaf, and gradually completing the operational mode of tobacco leaf specialization baking.%介绍了密集式烤房的烘烤工艺、操作要点比较优势和应用效益,提出了加快贵州安龙县密集烤房建设,加大对烟叶烘烤的技术工艺研究,逐步完善烟叶专业化烘烤运行模式的建议.

  5. A percepção de valor dos ativos entre o mundo real e o virtual: o caso Barnes and Noble

    Directory of Open Access Journals (Sweden)

    Dalton Schmitt Jr

    2002-01-01

    Full Text Available Uma das questões de grande debate no mercado de investimentos gira em torno da diferença entre a valorização e a volatilidade de ativos relacionados a empresas do mundo real e empresas do mundo virtual (nova economia. O maior fluxo as informações, a incerteza e a inexistência de um modelo de negócio vencedor na nova economia têm ampliado essa discussão ao longo dos anos. O presente artigo tem como objetivo analisar a valorização de ativos de empresas desses dois mundos (real e virtual de mesmo foco de negócio e voltadas ao mesmo mercado em relação aos seus principais índices financeiros e performance. Estar-se-ão analisando dois negócios com mesmo fim de mercado mas que, por estarem com posicionamentos diferentes, apresentam características diferenciadas no que se refere a valorização de mercado e performance financeira. Visando desenvolver tal objetivo, o artigo analisará as empresa Barnes & Noble, tradicional varejista do segmento de livros no mercado norte-americano, e a sua subsidiária Barnes & Noble.com.

  6. Improvement of Drying Temperature Control Method in Tobacco-Flue-Cured Barn%烤烟烘烤房干温度控制方法的改进

    Institute of Scientific and Technical Information of China (English)

    李英俊; 金珖龙

    2011-01-01

    为了提高烤烟烘烤房的干温度精度和烤烟的烘烤质量,降低耗煤量,对往复推动式烟叶烘烤仪的干温度的控制方法进行了改进.通过利用模糊控制技术控制推煤电动机工作时间和停止工作时间,实现了根据烘烤工艺的要求对烤烟烘烤房的干温度进行实时监测的精确控制目标.%To improve the precision of drying temperature control of tobacco-flue-cured barn and the quality of flue-cured tobacco,and to reduce coal consumption for flue-cured tobacco,the drying temperature control method for the flue-cured tobacco apparatus with reciprocating transport function was improved.The working time and halting time of a coal-transport electric motor were controlled by fuzzy control technology,with the technology above the real-time of the accuracy control of the drying temperature of tobacco flue-cured barn was realized.

  7. Barn og bovaryst imellem

    DEFF Research Database (Denmark)

    Mogensen, Tine Engel

    2008-01-01

    Om Bovarysme-tematikken i Kjærlighet. Romanen skriver sig ind i en lang tradition for kritik af romancegenren (og ikke mindst dét, denne 'gør ved' sine læsere). Ud over Don Quixote/Madame Bovary inddrages en forholdsvis ukendt roman af Zola, Une page d'amour, som lægger sig i forlængelse af Madame...

  8. 空气热-煤混合能源烤房在烟叶烘烤中的应用效果%Application Effect of Air Heat-Coal Mixed Energy Barn in Tobacco Flue-curing

    Institute of Scientific and Technical Information of China (English)

    谢云波; 罗定棋; 张永辉; 谢强; 雷晓; 何余勇; 张溢; 杜纯青

    2012-01-01

    为空气热-煤混合能源烤房在烤烟生产上的推广应用提供科学依据,进行了空气热-煤混合能源烤房与普通燃煤烤房对考后烟叶质量及经济效益的对比试验.结果表明:空气热-煤混合能源烤房的最佳经济结合点为50℃转火,即在50℃前用热泵加热,达到50℃后改用煤炉加热.与普通燃煤烤房相比,空气热-煤混合能源烤房可以节约能源资源消耗46.8%;每烤房单次节省烘烤费用128.9元,节省率20.7%;烤后烟叶上等烟比例较高,低次等烟比例很低,烟叶外观质量最佳,农民销售收入增加28.4%;烤房耗煤量低,产生的粉尘和大气污染物排放量减少57.8%.%To provide a scientific basis for air heat-coal mixed energy barn popularization and application in the production of flue-cured tobacco, a contrast test of flue-cured tobacco quality and economic benefits was conducted between air heat-coal mixed energy barn and ordinary coal-fired barn. The results showed that it was best to heat the barn using heat pump before 50℃ and then using coal stove. Compared with ordinary coal-fired barn, air heat-coal mixed energy barn could save energy and resources consumption by 46. 8%; Saved per barn baking costs 128. 9 Yuan(saving rate 20.7%); High-class flue-cured tobacco accounted for a higher proportion while low-class flue-cured tobacco accounted for a low proportion, the appearance quality was the best and peasants' incomes were enhanced by 28. 4%; the dust and air pollutant emissions was reduced by 57. 8% as the coal consumption decreased.

  9. 新疆褐牛舍饲育肥周岁出栏试验%Experiment on Barn Feeding Fattening Off Taking at One Year Old in Xinjiang Brow Calf

    Institute of Scientific and Technical Information of China (English)

    李静; 热西旦·阿不力孜; 乃比江; 艾比拜; 艾力

    2012-01-01

    [目的]本试验旨在研究新疆褐牛舍饲育肥周岁出栏的效果。[方法]选择4~5月龄新疆褐牛20头作为试验对象,随机分为2组,在相同日粮、不同舍饲方式条件下进行日增重、屠宰性能效果对比试验。[结果]表明:舍饲育肥新疆褐牛犊牛有较高日增重和较高屠宰率;不同舍饲方式对新疆褐牛犊牛育肥增重效果差异不显著。[结论]说明舍饲育肥新疆褐牛犊牛具有较好的日增重效果,可进行示范推广。%[Objective]Effect and feasibility was studied of barn feeding fattening off taking at one year old in Xinjiang brow calf . [Method]20 individuals of 4~5 month old xinjiang brow calf were randomly se- lected and divided into two groups. They were fattened under similar ration and different barn feeding con- ditions to compare the effect of daily weight gain and slaughter performance. [Result]The results indicated that the daily weight gain of barn feeding fattening Xinjiang brow calf was higher, and the meat producing capacity was better. There was no significant difference between different barn feeding conditions. [Con clusion]The ways of barn feeding fattening had better daily weight gain in Xinjiang brow calf. This fatte ning way could be demonstrated in Xinjiang area.

  10. SpecialBVC : En hjälp för barn och föräldrar vid uppfödningsproblem?

    OpenAIRE

    2016-01-01

    Bakgrund: Upp till 25 % av alla barn har någon gång under uppväxten någon typ av uppfödningsproblem.  Begreppet uppfödningsproblem brukar innefatta någon form av svårighet med att suga, tugga och svälja och delas ofta in i olika kategorier beroende på symtombild eller tänkt orsak. Symtomen eller den möjliga orsaken får sedan avgöra hur man väljer att behandla problemet. Spektrumet är stort vid uppfödningsproblem, alltifrån svårigheter som inte leder till några egentliga hälsorisker för barnet...

  11. 烤房类型对烤后烟叶质量的影响%Effect of Differont Types of Curing Barns on Tobacoo Leaf Quantity after Curing

    Institute of Scientific and Technical Information of China (English)

    黄维

    2012-01-01

    [目的]考察3种类型烤房在烟叶鲜叶初加工过程中的整体效果.[方法]采用云南烟区普遍使用的气流下降式密集烤房密集型烤房、气流上升式密集烤房和普通立式炉小烤房3种烤房,分析比较不同类型烤房烤后烟叶的主要化学成分、物理特性、外观等级、评吸质量的差异.[结果]不同类型烤房烤后烟叶中上等烟叶比例气流下降式密集烤房比普通立式炉小烤房密集烤房分别高出2.86%和0.87%,比气流上升式密集烤房高出7.75%和4.29%;不同类型烤房烤后烟叶根据多数化学指标均为气流下降式密集烤房烤房烤后烟叶化学成分最为协调,气流上升式密集烤房次之,普通立式炉小烤房较差;不同类型烤房烤后上中下部位烟叶感官质量和物理特性均为气流下降式密集烤房最好,气流上升式密集烤房次之,普通立式炉小烤房效果较差.[结论]气流下降式密集电烤房结构设计合理可以推广应用.%[ Objective] To investigate the effect of three types of curing bams on the primary processing quality of fresh tobacco leaves. [ Method] Airflow-descending dense curing barna,airflow-ascending dense curing bams and common vertical furnace-curing bams in Yunnan tobacco area were adopted for analyzing and comparing the difference of main chemical components,physical characteristics,appearance grade and smoking quality of tobaccos cured by the three types of curing bamB. [ Result ] The medium and high-grade tobacco proportions after being cured by the airflow-descending dense curing barns were higher than that by the common vertical furnace min-curing bams and dense curing bams by 2.86% and 0.87% respectively,and higher than that by airflow-ascending dense curing bams hy 7.75% and 4.29%. According to a majority of chemical indicators,the tobacco chemical components cured by airflow-descending dense curing bams were the most coordinate,followed by the airflow

  12. Den komplexa väven Att organisera för barns övergångar till och från förskoleklass

    Directory of Open Access Journals (Sweden)

    Helena Ackesjö

    2015-09-01

    Full Text Available This study focuses on how children's transitions to and from preschool classes are organized in different schools. Principal’s arguments for this organization were sought via a web-based survey and analyzed using the frame factor theory in addition to theories of practical sense and the concept of continuity. The results show that children tend to make more transitions between social communities the younger they are. The distribution of the principal’s answers show that the majority of them, because of external conditions, split the preschool groups to new classes in the transition to preschool class. However, the same movements are not indicated in the transition to first grade. The results show how the work of organizing chidren’s transitions represent a complex web of external actual conditions as the number of children and the recruitment area of the school, the internal logics and ideas about what is best for children and best for continued learning as well as the school's own traditions of working with transitions. Föreliggande studie fokuserar på hur barns övergångar till och från förskoleklass organiseras på olika skolor. Via en webbaserad enkät söks skolledares argument för denna organisering. I analysen nyttjas ett ramfaktorteoretiskt tänkande som kompletteras med teorier om praktiskt förnuft samt kontinuitetsbegreppet. Resultaten visar att barn tenderar att göra fler övergångar mellan barngrupper och sociala gemenskaper ju yngre de är. Fördelningen av skolledarnas svar visar att majoriteten, på grund av yttre villkor, delar förskolegrupperna till nya klasser i övergången till förskoleklass. Däremot indikeras inte samma rörlighet i övergången till årskurs 1. Resultaten visar hur arbetet med att organisera övergångarna utgör en komplex väv av yttre faktiska villkor som barnantal och upptagningsområdets storlek, av inre logiker och föreställningar om vad som är det bästa för barnen och det b

  13. Improvements of sound localization abilities by the facial ruff of the barn owl (Tyto alba as demonstrated by virtual ruff removal.

    Directory of Open Access Journals (Sweden)

    Laura Hausmann

    Full Text Available BACKGROUND: When sound arrives at the eardrum it has already been filtered by the body, head, and outer ear. This process is mathematically described by the head-related transfer functions (HRTFs, which are characteristic for the spatial position of a sound source and for the individual ear. HRTFs in the barn owl (Tyto alba are also shaped by the facial ruff, a specialization that alters interaural time differences (ITD, interaural intensity differences (ILD, and the frequency spectrum of the incoming sound to improve sound localization. Here we created novel stimuli to simulate the removal of the barn owl's ruff in a virtual acoustic environment, thus creating a situation similar to passive listening in other animals, and used these stimuli in behavioral tests. METHODOLOGY/PRINCIPAL FINDINGS: HRTFs were recorded from an owl before and after removal of the ruff feathers. Normal and ruff-removed conditions were created by filtering broadband noise with the HRTFs. Under normal virtual conditions, no differences in azimuthal head-turning behavior between individualized and non-individualized HRTFs were observed. The owls were able to respond differently to stimuli from the back than to stimuli from the front having the same ITD. By contrast, such a discrimination was not possible after the virtual removal of the ruff. Elevational head-turn angles were (slightly smaller with non-individualized than with individualized HRTFs. The removal of the ruff resulted in a large decrease in elevational head-turning amplitudes. CONCLUSIONS/SIGNIFICANCE: The facial ruff a improves azimuthal sound localization by increasing the ITD range and b improves elevational sound localization in the frontal field by introducing a shift of iso-ILD lines out of the midsagittal plane, which causes ILDs to increase with increasing stimulus elevation. The changes at the behavioral level could be related to the changes in the binaural physical parameters that occurred after the

  14. Applying Effect of Insulating Material Made of Mineral Binder and Expanded Polystyrene Granule in Bulk Curing Barn%胶粉聚苯颗粒保温材料在密集烤房中应用效果研究

    Institute of Scientific and Technical Information of China (English)

    张丽英; 杨启冰; 谢帮金; 刘勇; 李立新; 齐飞

    2013-01-01

    In order to know applying effect of insulating material made of mineral binder and expanded polystyrene granule in bulk curing barn,the curing effects of bulk curing barn covered with or without insulating material made of mineral binder and expanded polystyrene granule were compared.The results showed that insulating material made of mineral binder and expanded polystyrene granule can reduce the heat loss for bulk curing barn,and coal saving rate and power saving rate reached 26% and 21.89%,respectively.Therefore,it effectively reduce the curing cost,moreover,it also improved the curing quality of top layer leaves through lowering green degree.%为了了解胶粉聚苯颗粒保温材料在密集烤房中的使用效果,试验对比了涂抹、不涂抹胶粉聚苯颗粒保温材料密集烤房中烟叶的烘烤效果.结果表明:胶粉聚苯颗粒保温材料可以减少密集烤房的热量损失,节煤26%,节电21.89%,有效地降低了烘烤成本,且能降低顶层烟叶烘烤后的含青度,提高顶层烟叶烘烤质量.

  15. Test of the Three Layers Bulk Curing Barn into Four Layers%密集烤房“3层改4层”烘烤试验研究

    Institute of Scientific and Technical Information of China (English)

    赵晓丹; 邱路平; 王东明; 肖先仪; 王文君

    2013-01-01

    通过对比试验研究了密集烤房3层和4层烘烤方式对烤烟能耗和烟叶品质的影响。结果表明:与常规3层挂烟相比,4层挂烟方式明显增加了烤房容量,每1kg干烟用工成本下降20.06%,耗能成本降低22.78%,烤后烟叶质量优于3层烘烤,具有广泛的推广价值。%In order to investigate the effect of three layers bulk curing and four layers on energy consumption and tobacco quality during the tobacco curing,the experiment of loading tobacco leaf was conducted with tradi-tional loading and mezzo loading.The results showed that that compared with the three layers bulk curing barn, the amount of loading tobacco in four layers bulk curing barn were increasing,the cost of labor force and the en-ergy consumption reduced by 20.06% and 22.78% per kilogram respectively,the quality of the four layers bulk curing barn was superior than that of the traditional method and there is extended significance to popularize.

  16. On estimation and identifiability issues of sex-linked inheritance with a case study of pigmentation in Swiss barn owl (Tyto alba).

    Science.gov (United States)

    Larsen, Camilla T; Holand, Anna M; Jensen, Henrik; Steinsland, Ingelin; Roulin, Alexandre

    2014-05-01

    Genetic evaluation using animal models or pedigree-based models generally assume only autosomal inheritance. Bayesian animal models provide a flexible framework for genetic evaluation, and we show how the model readily can accommodate situations where the trait of interest is influenced by both autosomal and sex-linked inheritance. This allows for simultaneous calculation of autosomal and sex-chromosomal additive genetic effects. Inferences were performed using integrated nested Laplace approximations (INLA), a nonsampling-based Bayesian inference methodology. We provide a detailed description of how to calculate the inverse of the X- or Z-chromosomal additive genetic relationship matrix, needed for inference. The case study of eumelanic spot diameter in a Swiss barn owl (Tyto alba) population shows that this trait is substantially influenced by variation in genes on the Z-chromosome ([Formula: see text] and [Formula: see text]). Further, a simulation study for this study system shows that the animal model accounting for both autosomal and sex-chromosome-linked inheritance is identifiable, that is, the two effects can be distinguished, and provides accurate inference on the variance components.

  17. Infection Dynamics and Antimicrobial Resistance Profile of Salmonella Paratyphi B d-tartrate Positive (Java) in a Persistently Infected Broiler Barn

    Science.gov (United States)

    Kloska, Franziska; Beyerbach, Martin; Klein, Günter

    2017-01-01

    The infection dynamics of S. Java were examined in three consecutive rearing periods on a broiler farm in Northwestern Germany which had been persistently infected with S. Java for more than five years. The barn was investigated for Salmonella occurrence after cleaning and disinfection to verify the persistent contamination of the broiler house with S. Java before the start of the first rearing cycle. Confirmation of Salmonella absence in day-old chicks (time-point 1) as well as early establishment of infection between days 5–7 (time-point 2) were confirmed by caecal swabs prepared for qPCR and classical microbiological methods. At three time-periods (between days 11–15 (time-point 3), days 25–28 (time-point 4), and days 38–40 (time-point 5)) caecal content was examined for colony forming units (CFU) Salmonella/g. In general, there was an increase in Salmonella Java load at time-point 4 compared to time-points 3 and 5. Therefore, we observed a bell-shaped course of infection resulting in higher rates of Salmonella CFU/g prior to prethinning than at final slaughter. The antimicrobial susceptibility testing revealed resistance to tetracycline, fluorquinolones, trimethoprim, and cefoxitin. PMID:28117713

  18. Agricultural land use and human presence around breeding sites increase stress-hormone levels and decrease body mass in barn owl nestlings.

    Science.gov (United States)

    Almasi, Bettina; Béziers, Paul; Roulin, Alexandre; Jenni, Lukas

    2015-09-01

    Human activities can have a suite of positive and negative effects on animals and thus can affect various life history parameters. Human presence and agricultural practice can be perceived as stressors to which animals react with the secretion of glucocorticoids. The acute short-term secretion of glucocorticoids is considered beneficial and helps an animal to redirect energy and behaviour to cope with a critical situation. However, a long-term increase of glucocorticoids can impair e.g. growth and immune functions. We investigated how nestling barn owls (Tyto alba) are affected by the surrounding landscape and by human activities around their nest sites. We studied these effects on two response levels: (a) the physiological level of the hypothalamus-pituitary-adrenal axis, represented by baseline concentrations of corticosterone and the concentration attained by a standardized stressor; (b) fitness parameters: growth of the nestlings and breeding performance. Nestlings growing up in intensively cultivated areas showed increased baseline corticosterone levels late in the season and had an increased corticosterone release after a stressful event, while their body mass was decreased. Nestlings experiencing frequent anthropogenic disturbance had elevated baseline corticosterone levels, an increased corticosterone stress response and a lower body mass. Finally, breeding performance was better in structurally more diverse landscapes. In conclusion, anthropogenic disturbance affects offspring quality rather than quantity, whereas agricultural practices affect both life history traits.

  19. Bidirectional regulation of the cAMP response element binding protein encodes spatial map alignment in prism-adapting barn owls.

    Science.gov (United States)

    Nichols, Grant S; DeBello, William M

    2008-10-01

    The barn owl midbrain contains mutually aligned maps of auditory and visual space. Throughout life, map alignment is maintained through the actions of an instructive signal that encodes the magnitude of auditory-visual mismatch. The intracellular signaling pathways activated by this signal are unknown. Here we tested the hypothesis that CREB (cAMP response element-binding protein) provides a cell-specific readout of instructive information. Owls were fitted with prismatic or control spectacles and provided rich auditory-visual experience: hunting live mice. CREB activation was analyzed within 30 min of hunting using phosphorylation state-specific CREB (pCREB) and CREB antibodies, confocal imaging, and immunofluorescence measurements at individual cell nuclei. In control owls or prism-adapted owls, which experience small instructive signals, the frequency distributions of pCREB/CREB values obtained for cell nuclei within the external nucleus of the inferior colliculus (ICX) were unimodal. In contrast, in owls adapting to prisms or readapting to normal conditions, the distributions were bimodal: certain cells had received a signal that positively regulated CREB and, by extension, transcription of CREB-dependent genes, whereas others received a signal that negatively regulated it. These changes were restricted to the subregion of the inferior colliculus that received optically displaced input, the rostral ICX, and were not evident in the caudal ICX or central nucleus. Finally, the topographic pattern of CREB regulation was patchy, not continuous, as expected from the actions of a topographically precise signal encoding discrete events. These results support a model in which the magnitude of CREB activation within individual cells provides a readout of the instructive signal that guides plasticity and learning.

  20. 5-HTT deficiency affects neuroplasticity and increases stress sensitivity resulting in altered spatial learning performance in the Morris water maze but not in the Barnes maze.

    Directory of Open Access Journals (Sweden)

    Margherita M Karabeg

    Full Text Available The purpose of this study was to evaluate whether spatial hippocampus-dependent learning is affected by the serotonergic system and stress. Therefore, 5-HTT knockout (-/-, heterozygous (+/- and wildtype (+/+ mice were subjected to the Barnes maze (BM and the Morris water maze (WM, the latter being discussed as more aversive. Additionally, immediate early gene (IEG expression, hippocampal adult neurogenesis (aN, and blood plasma corticosterone were analyzed. While the performance of 5-HTT-/- mice in the BM was undistinguishable from both other genotypes, they performed worse in the WM. However, in the course of the repeated WM trials 5-HTT-/- mice advanced to wildtype level. The experience of a single trial of either the WM or the BM resulted in increased plasma corticosterone levels in all genotypes. After several trials 5-HTT-/- mice exhibited higher corticosterone concentrations compared with both other genotypes in both tests. Corticosterone levels were highest in 5-HTT-/- mice tested in the WM indicating greater aversiveness of the WM and a greater stress sensitivity of 5-HTT deficient mice. Quantitative immunohistochemistry in the hippocampus revealed increased cell counts positive for the IEG products cFos and Arc as well as for proliferation marker Ki67 and immature neuron marker NeuroD in 5-HTT-/- mice compared to 5-HTT+/+ mice, irrespective of the test. Most differences were found in the suprapyramidal blade of the dentate gyrus of the septal hippocampus. Ki67-immunohistochemistry revealed a genotype x environment interaction with 5-HTT genotype differences in naïve controls and WM experience exclusively yielding more Ki67-positive cells in 5-HTT+/+ mice. Moreover, in 5-HTT-/- mice we demonstrate that learning performance correlates with the extent of aN. Overall, higher baseline IEG expression and increased an in the hippocampus of 5-HTT-/- mice together with increased stress sensitivity may constitute the neurobiological correlate of

  1. 5-HTT deficiency affects neuroplasticity and increases stress sensitivity resulting in altered spatial learning performance in the Morris water maze but not in the Barnes maze.

    Science.gov (United States)

    Karabeg, Margherita M; Grauthoff, Sandra; Kollert, Sina Y; Weidner, Magdalena; Heiming, Rebecca S; Jansen, Friederike; Popp, Sandy; Kaiser, Sylvia; Lesch, Klaus-Peter; Sachser, Norbert; Schmitt, Angelika G; Lewejohann, Lars

    2013-01-01

    The purpose of this study was to evaluate whether spatial hippocampus-dependent learning is affected by the serotonergic system and stress. Therefore, 5-HTT knockout (-/-), heterozygous (+/-) and wildtype (+/+) mice were subjected to the Barnes maze (BM) and the Morris water maze (WM), the latter being discussed as more aversive. Additionally, immediate early gene (IEG) expression, hippocampal adult neurogenesis (aN), and blood plasma corticosterone were analyzed. While the performance of 5-HTT-/- mice in the BM was undistinguishable from both other genotypes, they performed worse in the WM. However, in the course of the repeated WM trials 5-HTT-/- mice advanced to wildtype level. The experience of a single trial of either the WM or the BM resulted in increased plasma corticosterone levels in all genotypes. After several trials 5-HTT-/- mice exhibited higher corticosterone concentrations compared with both other genotypes in both tests. Corticosterone levels were highest in 5-HTT-/- mice tested in the WM indicating greater aversiveness of the WM and a greater stress sensitivity of 5-HTT deficient mice. Quantitative immunohistochemistry in the hippocampus revealed increased cell counts positive for the IEG products cFos and Arc as well as for proliferation marker Ki67 and immature neuron marker NeuroD in 5-HTT-/- mice compared to 5-HTT+/+ mice, irrespective of the test. Most differences were found in the suprapyramidal blade of the dentate gyrus of the septal hippocampus. Ki67-immunohistochemistry revealed a genotype x environment interaction with 5-HTT genotype differences in naïve controls and WM experience exclusively yielding more Ki67-positive cells in 5-HTT+/+ mice. Moreover, in 5-HTT-/- mice we demonstrate that learning performance correlates with the extent of aN. Overall, higher baseline IEG expression and increased an in the hippocampus of 5-HTT-/- mice together with increased stress sensitivity may constitute the neurobiological correlate of raised

  2. Divorce in the barn owl: securing a compatible or better mate entails the cost of re-pairing with a less ornamented female mate.

    Science.gov (United States)

    Dreiss, A N; Roulin, A

    2014-06-01

    Two nonmutually exclusive hypotheses can explain why divorce is an adaptive strategy to improve reproductive success. Under the 'better option hypothesis', only one of the two partners initiates divorce to secure a higher-quality partner and increases reproductive success after divorce. Under the 'incompatibility hypothesis', partners are incompatible and hence they may both increase reproductive success after divorce. In a long-term study of the barn owl (Tyto alba), we address the question of whether one or the two partners derive fitness benefits by divorcing. Our results support the hypothesis that divorce is adaptive: after a poor reproductive season, at least one of the two divorcees increase breeding success up to the level of faithful pairs. By breeding more often together, faithful pairs improve coordination and thereby gain in their efficiency to produce successful fledglings. Males would divorce to obtain a compatible mate rather than a mate of higher quality: a heritable melanin-based signal of female quality did not predict divorce (indicating that female absolute quality may not be the cause of divorce), but the new mate of divorced males was less melanic than their previous mate. This suggests that, at least for males, a cost of divorce may be to secure a lower-quality but compatible mate. The better option hypothesis could not be formally rejected, as only one of the two divorcing partners commonly succeeded in obtaining a higher reproductive success after divorce. In conclusion, incompatible partners divorce to restore reproductive success, and by breeding more often together, faithful partners improve coordination.

  3. 密集烤房不同装烟方式比较研究%Comparison of Tobacco Leaf Loading Methods in Bulk Curing Barn

    Institute of Scientific and Technical Information of China (English)

    孙曙光; 周童; 顾会战; 彭毅; 汪健; 王鹏; 陈利平

    2012-01-01

    [目的]探索密集烤房的最佳装烟方式.[方法]以密集烤房挂杆方式为对照,比较研究了托架式烟夹、框架散叶、散叶插签装烟方式的配套设备成本、装烟量、用工量、烤后烟叶经济性状、能耗成本等状况.[结果]托架式烟夹、框架散叶、散叶插签装烟方式节能省工效果明显,3种装烟方式装烟量最大可提高71.43%,初烤烟经济性状均有所提高,符合现代烟草农业集约化和可持续发展要求.[结论]研究可为密集烤房不同装烟方式的优化提供参考依据.%[Objective] To explore the best tobacco leaf loading method. [Method] With hang poles as control group, bracket type smoke clamp, framework loose leaf and loose leaf cutting sign loading tobacco patterns were tested in bulk curing barn about corollary equipment cost, pack smoke volume, the employment quantity, roast tobacco leaf after economic characters, energy consumption cost. [Result] The results showed that bracket type smoke clamp, framework loose leaf and loose leaf cutting sign were much better than hang poles in energy and worker saving. Because largest amount of the three tobacco leaf loading method can be increased by 71. 43 % and initial flue-cured tobacco economic characters are improved so they accord with the modern tobacco agriculture. [Conclusion] The study provides reference basis for optimization of different tobacco loading method.

  4. 烤烟密集烤房加装余热采热器节能效果分析%Analysis on Energy Conservation Effect of Tobacco Bulk Curing Barn Retrofitted Waste-heat Collector

    Institute of Scientific and Technical Information of China (English)

    文国宇; 邱妙文; 王行; 黄履明; 何振峰

    2015-01-01

    为了有效降低密集烤房排烟热损失,增加热能利用率,本文以单座密集烤房为研究对象,通过低成本改造加装余热采热器,并与普通密集烤房进行对比试验,分析其节能效果。结果表明,密集烤房加装余热采热器后,烟叶烘烤过程中烟囱排烟口的温度明显降低,降幅达到30%左右,减少了排烟热损失;同时提高了燃煤热能利用率,平均烘烤煤耗降低5.11%,节省了烘烤成本。因此,这是一种针对单座密集烤房群,实现节能的有效途径。%In order to reduce heat loss of flue gases and improve energy efficiency of bulk curing barn, we focus on a single bulk curing barn retrofitted waste-heat collector, and analyses its energy conservation effect comparing with ordinary. The results show that, through transformation, the temperature of chimney outlets has remarkably lowered, a drop of 30%, to cut down smoke heat loss; In the meantime, energy efficiency has greatly improved, reduced coal consumption by an average of 5.11%, to save cost. In conclusion, it is an effective approach to realizing the objective of energy saving for a single bulk curing barn.

  5. 巴基斯坦旁遮普中部仓鸮食性的季节性变化%Seasonal variation in the diet of the barn owl Tyto alba stertens in central Punjab, Pakistan

    Institute of Scientific and Technical Information of China (English)

    Muhammad MAHMOOD-UL-HASSAN; Mirza Azhar BEG; Habib ALI

    2007-01-01

    在巴基斯坦对仓鸮食性的季节变化进行了研究.通过分析连续3年在6个地区搜集的2 360个仓鸮回吐食物团,发现其食物主要是小型哺乳动物(95.6%).其中,家鼩(Suncus murinus)有最高的比例,达65.6%(冬季最多78%,夏季最少27%).就生物量而言,小型哺乳动物占仓鸮食物总生物量的99%[动物学报 53(3):431-436,2007].%Seasonal and climatic changes influence the diet of the barn owl Tyto alba throughout its range. We conducted the first long-term study in Pakistan to understand seasonal changes in the diet of this raptor. Regurgitated pellets (n=2 360) were collected for three years from six districts of central Punjab. An analysis of these pellets revealed that the barn owl depended mainly on small mammals (95.6%) for its food. The house shrew Suncus murinus was the main food item (65.6%) in its diet. It was the most common prey item in winter (78%) and was consumed the least during summer (27%). This seasonal rise and fall in the frequency of shrews in the diet was related to an inverse pattern of rise and fall in the frequency of rodents, birds and bats. Small mammals contributed 99% of the biomass consumed by the barn owl[Acta Zoologica Sinica 53(3):431-436,2007].

  6. Visuomotorisk utveckling mätt med Bendertestet : En jämförelse mellan för tidigt födda och fullgångna barn vid 5 1/2 års ålder.

    OpenAIRE

    Lundequist, Aiko

    2006-01-01

    Sammanfattning Barns utveckling under de sista förskoleåren är nyckeln till en bra skolstart. Visuomotorik är en av de faktorer som krävs för att tillägna sig skolans basfärdigheter. För tidigt födda barn är en grupp som enligt tidigare forskning löper risk för en sämre visuomotorisk utveckling. I den här studien mättes visuomotorik med Bender Gestalt Test med utvärderingssytem utvecklade av främst Elizabeth Koppitz (1963, 1975). I studien jämfördes för tidigt födda barns (n=175) och matchade...

  7. From the Switzerland Traditional Barn Reconstruction to See the Old and New Relationships Treatment in the Vernacular Buildings Reconstruction%从瑞士传统谷仓改造看乡土建筑改造中的新旧关系处理

    Institute of Scientific and Technical Information of China (English)

    陈钊

    2014-01-01

    This article bases on the analysis and introduction of three typical examples to the Switzerland barn traditional barn reconstruction, and explores the main mode of dealing with the old andnew relationships in the vernacular buildings reconstruction.%本文通过对瑞士谷仓改造的三个典型实例的分析与说明,探索了乡土建筑改造中,处理新旧关系的主要模式。

  8. EL ESTRÉS AGUDO INTERFIERE CON LA EVOCACIÓN Y PROMUEVE LA EXTINCIÓN DE LA MEMORIA ESPACIAL EN EL LABERINTO DE BARNES

    Directory of Open Access Journals (Sweden)

    JULIETA TRONCOSO

    2010-01-01

    Full Text Available Para evaluar los efectos del estrés agudo sobre la recuperación y la extinción de la memoria espacial, se utilizaron ratas entrenadas en el laberinto circular de Barnes. El entrenamiento consistió de 8 ensayos de adquisición (intervalo entre ensayos, IEE, de 5 min en donde los animales debían aprender a encontrar una caja meta, ubicada en uno de los 18 agu- jeros del laberinto. Todos los animales adquirieron el aprendizaje espacial, ya que invirtieron menos tiempo en encontrar la caja meta y cometieron menos errores a medida que se sucedían los ensayos de entrenamiento. Veinticuatro horas después del entrena- miento se evaluó la retención y extinción del aprendizaje espacial mediante una prueba con caja meta (PCC seguida de siete pruebas sin caja (PSC, con un IEE de 5 min. Una hora y media antes de la sesión de evaluación de la memoria un grupo de animales fue sometido a estrés por restricción de movimientos durante una hora, permitiéndoles un período de recuperación de 30 min y otro grupo permaneció en su caja hogar sin mani- pulación (control. Los resultados indican que el estrés deteriora el proceso de evocación de la memoria espacial, ya que los animales estresados cometieron un mayor número de errores y demoraron más tiempo en encontrar la caja meta durante la PCC, respecto de los controles. Además, el estrés facilita el proceso de extinción, ya que, durante las PSCs los animales estresados no mostraron una persistencia en la exploración del agujero que, en el entrenamiento, conducía a la caja meta.

  9. Corner Office: Gale's Sommers & Barnes

    Science.gov (United States)

    Fialkoff, Francine

    2008-01-01

    This article presents an interview with Patrick Sommers, president of reference/information publisher "Gale" (part of Cengage Learning). Sommers took the helm in October 2007, after running system vendor Sirsi beginning in 2001 and engineering both the 2005 merger with Dynix and the 2007 sale of the newly created SirsiDynix to Vista Equity…

  10. Barns tankar om ekologiska processer

    DEFF Research Database (Denmark)

    Helldén, Gustav

    Bogen indledes med en oversigt over forskning om læring i naturvidenskab, herunder gennemgås blandt andet Piagets teorier. Herefter følger Helldéns undersøgelser af elevforestillinger om økologiske processer. Helldén har interviewet eleverne om livsbetingelser og vækst, nedbrydning i naturen og om...

  11. Psykose i barne- og ungdomsalderen

    DEFF Research Database (Denmark)

    Pagsberg, Anne Katrine; Madsen, Gitte; Bilenberg, Niels

    2008-01-01

    Psychosis in childhood and adolescence is rare. Psychotic manifestations in childhood are associated with diagnostic diversities. The diagnostic group pervasive developmental disorder, not otherwise specified (PDD-NOS) are often used in childhood and may be a precursor of schizophrenia or affecti...... the genesis and aetiology of psychoses. Udgivelsesdato: 2008-Nov-10...

  12. På leit etter grunnlag for norske barnehagers matematikkdidaktiske arbeid med romforståelse. - Et systematisk søk på forskning om barns utvikling av romforståelse gjort i barnehagekonteksten 1995-2010

    Directory of Open Access Journals (Sweden)

    Line Rønning Føsker

    2015-07-01

    Full Text Available Abstract: A review of research on children’s development of spatial reasoning in  a preschool setting 1995-2010. This study reviews 16 journal articles, books and theses on spatial reasoning in early childhood mathematics education. The data was collected by way of systematical search in several major databases and relevant digital and non-digital journals. The article gives a brief presentation of the main findings and the different methods used and, if applicable, the authors’ focus on didactics in both method and analysis. When it comes  to children’s mathematical learning processes, a main focus for a majority of studies is children’s use of constructional play material. When it comes to preschool teachers’ work with spatial reasoning, most  studies focus on the teachers’ planned and spontaneous communication with the children. The article then goes on to discuss these findings in relation to the Norwegian Framework Plan for Kindergartens. It seems like future research on the teachers’ use of material, on their work with visualization and orientation, and on their general focus on spatial reasoning could gain curriculum practise. Sammendrag: Denne oversiktsartikkelen gir en presentasjon av 16 internasjonale forskningsarbeider som ser på barns romforståelse i en barnehagekontekst. Arbeidene består av 14 vitenskapelige artikler, en bok og en doktorgrad, og disse ble funnet gjennom systematiske søk i flere større databaser og relevante digitale og analoge tidsskrift. Artikkelen gir en kort presentasjon av de ulike arbeidenes metode, hovedfunn og didaktiske vinkling. Når det gjelder barns utvikling av romforståelse har en majoritet av studiene fokus på hvordan dette kan belyses ved å studere og stimulere barns konstruksjonslek. For de studiene som ser på pedagogens rolle i arbeid med romforståelse legges det mest vekt på kommunikasjon, både planlagt og spontan kommunikasjon. Oversiktsartikkelen drøfter deretter

  13. Diversity and similarity of trophic system "Barn Owl - terrestrial mammals" in the volcanic districts of Latium (Italy / Diversità ed affinità dei sistemi trofici "Tyto alba - mammiferi terragnoli" nei comprensori vulcanici del Lazio

    Directory of Open Access Journals (Sweden)

    Fiorella Aste

    1987-07-01

    Full Text Available Abstract Bony remains of about ten thousands small terrestrial mammals preyed by Barn Owl in six volcanic districts of Latium were examined and relevant biocoenotic parameters (such as biotic diversity, thermoxerophily index, Renkonen's and Faith's indexes calculated. Diversity values exhibit no apparent correlation with a number of environmental and biocoenotic parameters of non-anthropic origin - i.e.: district age, height on sea level, latitude, biocoenotic (Renkonen's and faunistic (Faith's affinities. Conversely, a clearly significant, negative correlation with landscape anthropization was shown, revealing the importance of man's impact in shaping functional connections in the terrestrial communities of studied region. Riassunto L'esame del sistema trofico in argomento in 6 distretti vulcanici del Lazio ha posto in evidenza che la diversità biotica è significativamente e inversamente correlata con l'antropizzazione territoriale, ma non con altri fattori ambientali di origine anantropica.

  14. 从文体学角度浅谈朱利安·巴恩斯小说Complicity标题的翻译%A Brief Discussion on the Title Translation of Julian Barnes's Novel "Complicity" from the Perspective of Stylistics

    Institute of Scientific and Technical Information of China (English)

    罗超

    2016-01-01

    本文旨在讨论笔者翻译朱利安·巴恩斯作品Com-plicity一文的翻译心得和体会,即从文体学的角度浅谈其新作标题的翻译。本文主要通过从写作风格(authorial style)和文本风格(text style)两个方面论证该新作的标题可以采取直译的策略译作《同谋》。%This paper aims to discuss the writer's experience in translating Julian Barnes's work "Complicity", namely, briefly discuss the title translation of this new work from the perspective of stylistics. This paper mainly demonstrates that the title can be literally translated as"Tong Mou".

  15. Corrosion Reason Analysis on Galvanized Parts of Steel Plate Barn in a Port%某码头钢板仓镀锌件腐蚀原因分析

    Institute of Scientific and Technical Information of China (English)

    李咏梅; 李建三; 刘钧泉

    2011-01-01

    Corrosion occurred on the surface of galvanized steel barn in a port,and three types of corrosion were found by the realty investigation.Corrosion reasons were analyzed by macro examination,zinc mass test and EDS.The results show that the zinc mass satisfied the requirement of design and had no relation with the corrosion.The main corrosion reason for the galvanized steel plate barn were in the high concentration of corrosive medium of the port environment,couple corrosion cell formed between zinc coating and the cutting edge,and the oxygen concentration different cell formed in the crevice between the galvanized parts and the ground or concrete.%某码头钢板仓镀锌件发生腐蚀生锈现象,通过现场调查对镀锌件的腐蚀形态进行分析发现,钢板仓镀锌件的腐蚀主要有3种形态。采用宏观分析、镀锌层质量试验以及腐蚀产物能谱分析等方法对镀锌件的腐蚀原因进行了分析。结果表明:钢板仓镀锌件发生腐蚀与镀锌层质量无关,钢板仓镀锌件发生腐蚀主要是由于钢板仓所在码头环境腐蚀性介质含量较高,镀锌层与切口处的钢铁形成了电偶腐蚀电池,以及镀锌件与地面或混凝土支座接触部位形成了氧浓差腐蚀电池所致。

  16. EL ESTRÉS AGUDO INTERFIERE CON LA EVOCACIÓN Y PROMUEVE LA EXTINCIÓN DE LA MEMORIA ESPACIAL EN EL LABERINTO DE BARNES

    Directory of Open Access Journals (Sweden)

    Troncoso Julieta

    2010-04-01

    utilizaron ratas entrenadas en el laberinto circular de Barnes. El entrenamiento consistió de 8 ensayos de adquisición (intervalo entre ensayos, IEE, de 5 min en donde los animales debían aprender a encontrar una caja meta ubicada en uno de los 18 agujeros del laberinto. Todos los animales adquirieron el aprendizaje espacial, ya que invirtieron menos tiempo en encontrar la caja meta y cometieron menos errores a medida que se sucedían los ensayos de entrenamiento. Veinticuatro horas después del entrenamiento se evaluó la retención y extinción del aprendizaje espacial mediante una prueba con caja meta (PCC seguida de siete pruebas sin caja (PSC, con un IEE de 5 min. Una hora y media antes de la sesión de evaluación de la memoria un grupo de animales fue sometido a estrés por restricción de movimientos durante una hora, permitiéndoles un período de recuperación de 30 min y otro grupo permaneció en su caja hogar sin manipulación (control. Los resultados indican que el estrés deteriora el proceso de evocación de la memoria espacial, ya que los animales estresados cometieron un mayor número de errores y demoraron más tiempo en encontrar la caja meta durante la PCC, respecto de los controles. Además, el estrés facilita el proceso de extinción, ya que, durante las PSCs los animales estresados no mostraron una persistencia en la exploración del agujero que, en el entrenamiento, conducía a la caja meta.

  17. Small mammals in barn owl, Tyto alba, pellets from central-east Sardinia / Dati sui micromammiferi da borre di barbagianni, Tyto alba, di un sito della Sardegna centro-orientale

    Directory of Open Access Journals (Sweden)

    Claudio Di Russo

    1987-07-01

    Full Text Available Abstract During May 1985, Barn Owl pellets were collected in a central-east Sardinia localities (M. Albo-Nuoro, near the natura1 cave called "Sa conca manna de Loccoli". Pellets contained 208 preys (2.48 per pellets of which 73% was represented by 4 species of rodents and 25% by 2 insectivore species. Diversity index of the diet was 1.36 (Shannon, 0.70 (Gini-Simpson. The most common rodent prey was Apodemus sylvaticus (40%, while for insectivores Crocidura russula (16%. Ecologica1 and faunistical comparisons were performed with other 8 tyrrhenic Tyto alba localities, using thermoxerophily index, climatic index (De Martonne, faunistical affinity index (Sørensen and biocoenotic affinity index (Renkonen. Riassunto Dall'analisi delle 208 prede raccolte nei resti alimentari del Barbagianni, si è trovato che Apodemus sylvaticus risulta la specie dominante fra i Roditori (40% e Crocidura russula fra gli Insettivori (16%. Sono effettuati confronti di tipo ecologico e faunistico con altri 8 siti insulari e peninsulari tirrenici di Barbagianni, utilizzando indici di termoxerofilia, climatico di De Martonne, di affinità faunistica (Sørensen e biocenotica (Renkonen.

  18. 基于改进的GM(2,1)模型的粮仓温湿度预测%The Forecasts of Temperature and Humidity of the Barn Based on the Improved GM (2,1)

    Institute of Scientific and Technical Information of China (English)

    赵新蕖; 刘亚卓; 张丽伟

    2012-01-01

    It has a positive meaning for food security to establish the prediction model of temperature and humidity of granary. Because of the deficient and fluctuation with season of the granary temperature and humidity data, it has been in a passive situation for modeling. In this paper, a new method is proposed that uses improved GM(2,1) model to analyze the temperature and humidity data, and to get the forecast model , in order to forecast the future trend of storage conditions of the barn. It uses the deficient data modeling character of gray model. The simulation results show that the forecasts of the model is high accuracy, therefore, the method has a certain practical value.%建立粮仓温湿度的预测模型,对实现粮食的安全储备有着积极意义.但粮仓温湿度数据的贫乏性和其随季节变化的波动性,一直是困扰粮仓温湿度建模的难题,这也使粮仓的温湿度控制一直处于被动局面.利用灰模型贫数据建模的特点,提出了采用改进的GM(2,1)模型对粮仓检测到的温湿度数据进行建模分析的方法,得到粮仓的温湿度预测模型,实现对粮仓温湿度变化趋势的预测和预警.仿真结果表明,该模型的预测值有较高的精度,因此,有一定的实用价值.

  19. Analysis on Economic Benefit of Curing under Different Loading Methods in Bulk Curing Barn%密集烤房不同装烟方式烘烤经济效益分析

    Institute of Scientific and Technical Information of China (English)

    詹良; 范才银; 李建华; 刘亮; 李旭; 李迪秦

    2014-01-01

    Three tobacco leaves loading methods ,two kinds of tobacco clips for knitting tobacco leaves and the traditional tobacco pole for weaving tobacco leaf ,were comparatively analyzed.The results showed that tobacco clips were simple mode with time-saving and energy-saving,its speed of knitting tobacco leaves was 1~2 times of the traditional tobacco pole , and it could save electric consumption and artificial cost for 117.53~181.06 RMB/room.Under knitting tobacco leaves with tobacco clips ,the capacity of bulk curing barn was increase by 20%~30%,and the quality of tobacco leaves was im-proved.%对两种不同口径型号的烟夹与传统挂杆3种装烟方式进行了对比分析。结果表明:烟夹编烟操作简单,省工省时,是传统烟杆编烟速度的1~2倍;采用烟夹编烟每炕烤烟可节省能耗与人工总成本117.53~181.06元/房;烟夹编烟能有效增加烤房容量,每炕烘烤鲜烟总重量比传统编烟烘烤可增加20%~30%;烤后烟叶质量相对有所提升。

  20. 微晶无机保温材料对提高烤房热能利用率的影响%Effect of Microcrystal Inorganic Heat Preservation Material on Improving the Utilization Rate of Heat Energy of Curing Barn

    Institute of Scientific and Technical Information of China (English)

    郭婷; 耿素祥; 李文; 李良勇; 彭良; 刘小斌; 余金龙

    2016-01-01

    Single factor experiment design was used to study the effect of microcrystal inorganic heat preservation material on improving the utilization rate of heat energy of curing barn, saving the cost of flue cured tobacco and improving the quality of the cured tobacco leaves. The results showed that: compared with the control, the lower cost of flue cured tobacco with adding microcrystal inorganic heat preservation material, the quality of cured tobacco leaves was good, and the quality of smoking was good; from 5 different adding thickness and proportion of processing, treatment effect of the inner wall thickness of 1.5 cm add 75% microcrystal inorganic heat preservation material was the best, the specific performance of the energy consumption was low, and the average coal consumption of 1 kg dry tobacco was 0.20 kg, and the coal saving rate was more than 14%; in terms of economic traits, the proportion of the first class tobacco leaf of cured tobacco increased by 4.6 percentage points, the average price increase of 2.0 yuan/kg(RMB) of tobacco; high quality of sensory evaluation, balanced chemical quality.%采用单因素试验设计,研究了微晶无机保温材料在提高烤房热能利用率、节约烤烟烘烤成本、提高烤后烟叶质量等方面的影响。结果表明:与对照相比,添加微晶无机保温材料烘烤成本较低,烤后烟叶等级质量好、评吸质量好;在5个不同添加厚度和比例的处理中,以内墙厚度1.5 cm 添加75%的微晶无机保温材料的处理效果最好,具体表现为能耗较低,每烘烤1 kg 干烟平均节煤0.20 kg,节煤率达14%以上;在经济性状方面,烤后烟叶的上等烟比例提高了4.6个百分点,烟叶均价平均提高2.0元/kg;感官评吸质量较高,化学品质均衡。

  1. CFD simulation of temperature and humidity distribution in low profile cross ventilated dairy cattle barn%低屋面横向通风牛舍温湿度场CFD模拟

    Institute of Scientific and Technical Information of China (English)

    邓书辉; 施正香; 李保明

    2015-01-01

    在中国华东地区最炎热的月份,舍外高温高湿的气候条件,降低了低屋面横向通风(low profile cross ventilated, LPCV)牛舍的环境调控效果。为了研究LPCV牛舍温湿度场的分布规律,该文在现场实测的基础上,采用计算流体动力学CFD(computational fluid dynamics)方法,对LPCV牛舍的温度和相对湿度参数进行了三维数值模拟。现场实测的结果表明,舍外空气温度为36.2℃,相对湿度为55.5%的条件下,舍外空气流经湿帘后的降温幅度为7.7℃,湿帘出口处的相对湿度为99.9%;模拟结果表明,舍内温湿度场受气流场的影响,分布不均匀,风速高的区域温度相对较低,舍内相对湿度与温度呈现强烈的耦合关系。随着空气的流动,沿气流方向平均每米长度温度升高0.014℃、相对湿度下降0.04%, THI增加0.025。模拟值与实测值的对比表明,9个测点温度和相对湿度的测试值与模拟值之间相对误差的平均值分别为0.89%和0.59%,理论计算和数值模拟得到的奶牛显热散热量的相对误差为14.5%,说明现场实测与数值模拟有较好的吻合度。该研究可为中国LPCV牛舍结构优化设计和环境调控提供参考。%With the ever increasing scale and intensivism in pasture in China, low profile cross ventilated (LPCV) dairy cattle barn, as a main building style in cattle house, is increasingly applied. The most obvious benefit of LPCV building is the ability to control the cow’s environment during all seasons of the year. It increases the percentage of time cows are in the thermal neutral zone, which allows both milk production and feed efficiency to be increased. However, during the hottest period in eastern China, the hot and humid climate, reduces the control effectiveness inside the building. In order to understand temperature and humidity distribution inside, the field experiment, which measured the parameters including

  2. Odontogent myksom i maksillen hos et barn

    DEFF Research Database (Denmark)

    Danielsson, Lina Isabella; Jakobsen, John; Thygesen, Torben H;

    2014-01-01

    exclusively in the maxilla. Orbital involvement is very rare, and to our knowledge reconstruction with a Medpore sheet has not previously been reported. At post-operative follow-up normal eye function and an excellent cosmetic result was observed. OM should be considered in a midfacial mass....

  3. Første danske barn tyndtarmstransplanteret

    DEFF Research Database (Denmark)

    Thøstesen, Lisbeth Marianne; Lassen, Lissi Bank; Qvist, Niels

    2010-01-01

    A girl with extensive Hirschsprung's disease was operated, leaving her with a 35 cm short bowel. She received long-term parenteral nutrition through a central catheter. Progressive liver failure and intravenous access problems developed and at the age of 5.5 years she was transplanted in Birmingham...

  4. Barns motstand som demokratisk deltaking i basebarnehagen

    Directory of Open Access Journals (Sweden)

    Liv Torunn Grindheim

    2013-01-01

    Full Text Available New kindergarten architecture in Norway with special rooms designed for specific learning activities are claimed to present space for democratic participation. Assuming that conditions for democratic participation can only be considered related to whether and how children participate, new architecture as context for children’s participation is questioned. Episodes from a fieldwork in such a kindergarten demonstrate that contrasts of the architecture, indicating both freedom of choice and regulations, are emerging in routine situations where children are shifting from one activity to another. In these situations children resist and challenge traditional power relations between children and adults, by involving adults in playing ‘hide and seek’. This playful resistance is interpreted as democratic participation, and thereby underlines play as an important way for children to express themselves as co-constructers of their communities in kindergartens.

  5. Playboy Hefner meenutab ja naeratab / Brooks Barnes

    Index Scriptorium Estoniae

    Barnes, Brooks

    2009-01-01

    Kuigi meediaettevõte Playboy Enterprises on rahalistes raskustes, kärpides ka reklaamijatele lubatud levinumbrit 2,6 miljonilt eksemplarilt 1,5 miljonile, väidab ettevõtte asutaja Hugh Hefner, et Playboy ei ole kokkukukkumise äärel

  6. Barn av grundsøgum

    DEFF Research Database (Denmark)

    Moberg, Bergur Rønne

    Hovedartiklen i bogen kaldes "Der må være en udkant" med undertitlen. "En videnskabelig tese om sted og nation som konstituerende træk ved færøsk litteratur" (50 s.). Stort set hele bogen diskuterer konstruktionsforestillingen i den modernistiske filosofi i forskellige sammenhænge....

  7. Comparative Analysis of Baked Effect of Flue-cured Tobacco Loaded by Different Patterns in Bulk Curing Barn%烤烟密集烤房不同装烟方式烘烤效果对比分析

    Institute of Scientific and Technical Information of China (English)

    张警予; 娄元菲; 王文超; 李昂; 董艳辉; 杨彦明; 贺帆; 宫长荣

    2014-01-01

    The comparative tests for the baked effect of flue -cured tobacco loaded by 3 different ways ( hanging rod , tobacco clamping, and dispersal leaf ) were carried out in bulk curing barn .The results indicated that: in comparison with the traditional hanging-rod baking , the dispersal-leaf baking could save labor and energy .The labor efficiency in tobacco -loading of hanging -rod way was basically the same as that of needle -type tobacco-clamping way , but the labor used in tobacco -weaving of the for-mer was 0.39 workers/667 m2 higher than that of the latter .The labor used in all links of dispersal -leaf way was 1.60 workers/667 m2 less than that of hanging -rod way, and 1.21 workers/667 m2 less than that of needle -type tobacco-clamping way.The energy-consumption cost in tobacco -baking of dispersal -leaf way and needle -type tobacco-clamping way was respectively 0.22 and 0.07 yuan/kg lower than that of hanging -rod way.The chemical compositions in the baked tobacco leaves loaded by tobacco -clamping way had the best harmony .The average price of baked dry tobacco leaves of needle -type tobacco-clamping way and dis-persal-leaf way was respectively 0.9 and 0.5 yuan/kg higher than that of hanging -rod way, and the medium-superior proportion of baked tobacco leaves of these two tobacco -loading ways was also higher than that of hanging -rod way .%挂竿、烟夹、散叶等3种装烟方式的烘烤对比试验表明:与传统挂竿烘烤相比,较散叶烘烤省工、节能,挂竿装烟和针式烟夹装烟环节用工效率基本一致,差异不明显,但编烟环节针式烟夹明显省工,总体节省了0.39个工/667 m2;散叶堆积较挂竿的各个环节均明显省工,散叶堆积较挂竿节省了1.60个工/667 m2,较针式烟夹节省用工1.21个工/667 m2。针式烟夹和散叶堆积较挂竿烘烤能耗成本略有降低,散叶堆积干烟较挂竿节省能耗成本0.22元/kg,针式烟夹干烟节省0.07元/kg。烟夹

  8. A specimen of Sorex cfr. samniticus in Barn Owl's pellets from Murge plateau (Apulia, Italy / Su di un Sorex cfr. samniticus (Insectivora, Soricidae rinvenuto in borre di Tyto alba delle Murge (Puglia, Italia

    Directory of Open Access Journals (Sweden)

    Giovanni Ferrara

    1992-07-01

    Full Text Available Abstract In a lot of Barn Owl's pellets from the Murge plateau a specimen of Sorex sp. was detected. Thank to some morphological and morphometrical features, the cranial bones can be tentatively attributed to Sorex samniticus Altobello, 1926. The genus Sorex was not yet included in the Apulia's fauna southwards of the Gargano district; the origin and significance of the above record is briefly discussed, the actual presence of a natural population of Sorex in the Murge being not yet proved. Riassunto Viene segnalato il rinvenimento di un esemplare di Sorex cfr. samniticus da borre di Tyto alba delle Murge. Poiché il genere non era stato ancora segnalato nella Puglia a sud del Gargano, viene discusso il significato faunistico del reperto.

  9. Small mammal communities of the "Monte Rufeno" Natural Reserve (Latium, Italy: data from Barn Owl Tyto alba pellets / I popolamenti di micromammiferi della Riserva Naturale "Monte Rufeno" (Lazio: dati da borre di barbagianni Tyto alba

    Directory of Open Access Journals (Sweden)

    Gaetano Aloise

    1990-07-01

    Full Text Available Abstract A high number of preys (7,147 specimens from barn owl pellets were collected in 15 sites of Monte Rufeno Natural Reserve. The 97.42% were small mammals, belonging to at least 6 species of Insectivora, 3 species of Chiroptera and 8 of Rodentia. The use of adequate indexes showed as expected, a high faunistic and biocenotic affinity among all sites of the Natural Reserve. Moreover, the values of trophic leve1 are analogous to the mean values found by others in the province of Rome. The biotic diversity is low and this result can be explained with predation of the barn owls over the most anthropizated areas out of the Natural Reserve. Faunistic and biocenotic indexes were utilized to compare the study area with other localities of Centra1 Italy characterized by typical mediterranean or temperate bioclimate. In one of the sites studied (Podernovo, seasonal changes of predation were analyzed. Riassunto In 15 siti posti all'interno della Riserva Naturale "Monte Rufeno" sono state raccolte numerose borre di Barbagianni Tyto alba in cui sono state rinvenute 7147 prede di cui il 97.42% costituito da micromammiferi. Alcuni indici ecologici (affinità biocenotica e faunistica, diversità biotica, termoxerofilia, antropizzazione, livello trofico sono stati applicati ai dati relativi ai micromammiferi terragnoli. Un confronto faunistico e biocenotico è stato effettuato tra i siti del comprensorio ed alcune località dell'Italia centrale caratteristiche di ambienti a bioclima mediterraneo o temperato. In uno dei siti studiati (Podernovo è stato possibile analizzare l'andamento stagionale della predazione.

  10. Fattening Effect of Weaned Lambs Fed with Total Mixed Diet Containing Whole-Plant Corn Silage in Light-Steel Structure Barn in Summer%夏季利用轻钢结构羊舍和饲喂玉米青贮全混合日粮育肥断奶羔羊的效果

    Institute of Scientific and Technical Information of China (English)

    王德芹; 王金文; 崔绪奎; 张果平; 王建英; 孟宪锋

    2015-01-01

    高温季节利用50%、60%、70%的全株玉米青贮全混合日粮饲养断奶羔羊,平均日增重分别达到274、264、271 g,经济效益以70%青贮组最好,可增收51.4~57.8元/只。经测定,轻钢结构羊舍对温度、湿度具有明显的调控作用,同时舍内CO2、NH3、H2 S等环境参数均低于国家NY/T388-1999《畜禽场环境质量标准》,说明此类型羊舍通风良好,达到了肉羊健康养殖的要求。%The total mixed diets containing 50%, 60%or 70%of whole-plant corn silage were used to feed weaned lambs in high temperature season.Under this condition, the average daily gain of lambs reached to 274, 264 and 271 g respectively.The group with 70% corn silage had the best economic benefit, which could increase by 51.4~57.8 yuan per sheep.The light-steel structure barn had obvious regulating effects on its inner temperature and humidity, and the inner concentration of CO2 , NH3 , H2 S were all lower than the limits from the NY/T388 -1999 LIVESTOCK AND POULTRY FIELD ENVIRONMENT QUALITY STAN-DARDS.It suggested that this type barn had good ventilation and could meet the requirement of mutton sheep healthy breeding.

  11. La dieta de la lechuza (Tyto alba (Aves: Strigiformes en hábitats naturales y antropogénicos de la región central de Cuba Diet of Barn Owl (Tyto alba (Aves: Strigiformes in natural and anthropogenic habitat in central Cuba

    Directory of Open Access Journals (Sweden)

    Abel Hernández-Muñoz

    2011-03-01

    Full Text Available Para determinar los hábitos tróficos de la lechuza, Tyto alba, se analizaron 1232 egagrópilas recolectadas entre 1994 y 2001 en 24 localidades de la región central de Cuba. Se encontraron 3943 presas; los roedores exóticos (Mus musculus y Rattus spp. fueron las presas dominantes y representaron 80% del total. Otros tipos de presas fueron de menor frecuencia; por ejemplo, insectos (6.1%, murciélagos (5%, anfibios (4.8%, aves (3.6% y reptiles (0.2%. Se agruparon las localidades de recolecta de egagrópilas en 2 categorías de hábitat: antropogénicos y naturales, para explorar el efecto de los disturbios antrópicos en la dieta de la lechuza. Contrario a lo esperado, no se encontró variación significativa en el índice de amplitud trófica de Levins (Bantropogénicos= 1.32 ± 0.3 vs Bnaturales = 1.38 ± 0.4. La composición de la dieta en ambos hábitats no difiere, al menos en la proporción de las diferentes clases, aunque existe la tendencia a depredar más aves en hábitats naturales que en sitios perturbados donde los insectos son más frecuentes. Los resultados sugieren que tanto en hábitats antropogénicos como naturales, las lechuzas se comportan como depredadores efectivos de las poblaciones de roedores múridos introducidos.To determine food habits of Barn Owl, Tyto alba, we analyzed 1232 pellets collected from 24 localities in central Cuba from 1994 to 2001. The pellets yielded 3943 prey items, with introduced rodents (Mus musculus and Rattus spp. being the primary prey, accounting for 80% of items in the diet. Other prey classes were of minor frequency; e.g., insects (6.1%, bats (5%, amphibians (4.8%, birds (3.6%, and reptiles (0.2%.We grouped pellet collection localities into 2 habitat categories: "anthropogenic" and "natural," to explore the effect of anthropogenic disturbance on the diet Barn Owl. Contrary to our expectation, we found no significant difference in the Levin's niche-breadth index (B, calculated for the

  12. Fictional Paradigms and Critique of Morality : A Study of Julian Barnes' The Sense of an Ending%小说范式与道德批判:评朱利安·巴恩斯的《结局的意义》

    Institute of Scientific and Technical Information of China (English)

    毛卫强

    2012-01-01

    Julian Barnes' novel The Sense of an Ending has borrowed not only its title but also its guiding rules of construction from Kermode' s The Sense of an Ending: Studies in the Theory of Fiction. A detailed analysis will reveal that the memory narrative running through Barnes' novel arises from the anxieties about the ending of a world which Kermode believes to have been corrupted by new technologies and social changes. Morality has played an important role in determining what has been remembered or what has been forgotten. Structured in this manner, The Sense of an Ending both challenges conventional views about epistemology and history and makes a critique of technological morality, offering therefore a way of making sense of life for people caught in the anxieties of postmodern dilemma.%朱利安·巴恩斯的《结局的意义》无论在标题上还是在创作原则上都借鉴弗兰克·克默德在《结局的意义:虚构理论研究》中提出的虚构作品理论,它不仅颠覆传统小说范式,而且也突破巴恩斯以往小说所确立的传统。该小说始于结局的记忆,也结束于结局的记忆;在焦虑式记忆中,对结局的推测不断地被颠覆。叙事者的道德选择从根本上决定过去事件的记忆或遗忘,影响了小说的叙事结构。因此,《结局的意义》不仅颠覆传统认识论和历史观.而且还质疑了技术道德,为处于后现代危机中的人类提供一种寻求生存意义的范式。

  13. Etikk i praksis: Barn med samspillsvansker og medvirkning i barnehagen

    Directory of Open Access Journals (Sweden)

    Ingvild Åmot

    2012-11-01

    Full Text Available Title: Ethics in practice: Children who have difficulties interacting and their participation in day-care centres.Abstract: In recent years there has been a trend promoting "children’s right to participation". The point of departure for the article is qualitative data material collected from three day-care centres in Norway. The main objective has been to illuminate the choices the staff have and the dilemmas they face in their day-to-day practice when it comes to children who have interaction difficulties and their opportunities to participate. Findings: The practice is action-oriented. Actions, dilemmas and discretionary assessments are related to consequential- and deontological-ethics reasons.

  14. Et barn med infantile hæmangiomer og malformationer

    DEFF Research Database (Denmark)

    Ommen, Lise Beier; Helgestad, Jon; Gammelgaard, Lise

    2009-01-01

    A two-week-old female infant presented with a large haemangioma in the left superior palpebra, preventing her from opening the eye. Cerebral magnetic resonance imaging with angiography revealed another two facial haemangiomas and agenesia of the left internal carotid artery. The combination of fa...

  15. Seasonal cows’ milk productivity in the outdoor rest places barns

    Directory of Open Access Journals (Sweden)

    Marian Lipiński

    2013-09-01

    Full Text Available The authors assumed that, keeping high productive dairies outside a cowshed might reduce the seasonal character of milk production in Poland, which decrease is being observed in the summer. The attempt was made to determine the hierarchy of negative influences on dairies’ productivity, such as: average daily air temperature and maximum daily temperature and average daily relative humidity. The standard regression methods and artificial neural network were applied in the research. It appeared that allowing the dairies spend all-year-round outside the cowshed, might protect them against the heat stress in the summer. The strongest stimulus which reduces milk production is the level of maximum air temperature.

  16. Hjernen og følelser--fra barn til voksen

    DEFF Research Database (Denmark)

    Plessen, Kerstin J; Kabicheva, Galina

    2010-01-01

    : linear development of white matter, growth and subsequent elimination of gray matter and maturation of various neuronal networks in the brain. Emotional regulation develops discontinuously in children and adolescents, and varying degrees of maturation of specific neural networks involved in self......-regulation may explain different behavioural traits that are typical for specific age groups. INTERPRETATION: Emotional regulation develops in a complex interaction between a child's relationships, experiences, activities and underlying biological/genetic factors. Knowledge of these underlying neural constraints...

  17. Emosjonsregulering og motivasjon hos barn med AD/HD

    DEFF Research Database (Denmark)

    Høvik, Marie Farstad; Plessen, Kerstin J

    2010-01-01

    Impaired cognitive control functions have long been regarded as the main problem in the development of Attention-Deficit/Hyperactivity Disorder (ADHD). A more recent model emphasizes the importance of emotional and motivational problems. We have reviewed the evidence for this model, which may have...

  18. Toksisk shock syndrom. Et tilfoelde hos et barn med forbroending

    DEFF Research Database (Denmark)

    Glazowski, M J; Ostergaard, G Z; Arpi, M

    1992-01-01

    A case of the toxic shock syndrome (TSS) in a burnt (scalded) child is presented. TSS is a condition most frequently associated with menstruating women using tampons. In recent years, however, increased knowledge of the syndrome has led to an increase in the number of reported cases associated...

  19. Emosjonsregulering og motivasjon hos barn med AD/HD

    DEFF Research Database (Denmark)

    Høvik, Marie Farstad; Plessen, Kerstin J

    2010-01-01

    Impaired cognitive control functions have long been regarded as the main problem in the development of Attention-Deficit/Hyperactivity Disorder (ADHD). A more recent model emphasizes the importance of emotional and motivational problems. We have reviewed the evidence for this model, which may hav...

  20. Barn utsatt for komplekse traumer: diagnosebegrep og behandling

    OpenAIRE

    Rønning, Christina; Teige, Synnøve Oddfrid Veien; Løkke, Ragnhild Støren

    2009-01-01

    The purpose of this thesis was to consider whether complex trauma disorders should be included as a diagnostic entity, and to evaluate if trauma-focused cognitive behavioral therapy (TF-CBT) is a suitable treatment model for children with complex trauma reactions. First, we reviewed arguments supporting the existence of a complex trauma diagnosis, and considered research that supports postulated core problems in these children. Second, we presented research on the TF-CBT model for children ex...

  1. Selvadministreret ventrikelsondeernaering hos et barn med infantil autisme

    DEFF Research Database (Denmark)

    Dyrborg, J

    1991-01-01

    An example of self-administered gastric tube nutrition in a boy aged 15 years with infantile autism is presented. The boy would neither eat nor drink in the normal manner since the age of eight years and has gradually administered tube-feeding himself. This patient does not fulfill...

  2. Førskolelærere om barns oppholdstid i barnehagen

    Directory of Open Access Journals (Sweden)

    Birgitte Johansen

    2010-02-01

    Full Text Available Abstract: Norway is facing full day care coverage and most children have full time places. The local authorities
    responsible for the day care sector are framed by New Public Management principles of governing urging for
    more efficient and user oriented day care services. Full time day care is vital for adult worker families. Yet, historically
    there is evidence for scepticism towards full time day care in Norway, also among preschool teachers. There
    is little knowledge about present perceptions amongst preschool teachers of the best time for children to spend in
    day care. This is relevant to explore given the importance of expertise and knowledge in the government of parents
    and parental choices. The article analyses textual data from a survey and interview data and explores Norwegian
    preschool teachers’ understanding of the best period of time for children to spend in day care. The analyse
    is framed by day care organisation discourses and Norwegian discourses of family, childhood and parenting. It
    discusses the apparent ambivalence on the issue among the preschool teachers linked to their position as professionals
    in relation to parents.
    Keywords: Preschool teachers, children’s time in day care, new public management, working parents

  3. Learning from drivers and conflicts around bedded pack barns

    NARCIS (Netherlands)

    Galama, P.J.; Dooren, van H.J.C.; Eilers, C.H.A.M.

    2012-01-01

    Due to problems with the freestall a network of dairy farmers in the Netherlands started looking for alternative housing systems for dairy cattle. Therefore researchers and dairy farmers shared ideas and looked abroad in America and Israel for housing systems without cubicles. This gave inspiration

  4. Hjernen og følelser--fra barn til voksen

    DEFF Research Database (Denmark)

    Plessen, Kerstin J; Kabicheva, Galina

    2010-01-01

    and adolescents. MATERIAL AND METHODS: This article is based on articles identified through a non-systematic search in PubMed and on publications from the authors' own database. RESULTS: Several processes form the biological basis for how children and adolescents regulate their emotions when relating to others...

  5. Hjertetamponade hos et praematurt barn med perkutant anlagt centralt venekateter

    DEFF Research Database (Denmark)

    Callesen, Michael T; Nielsen, Peter Ehlert

    2008-01-01

    We report a case of a premature girl born with a gestational age of 26 weeks who developed cardiac tamponade after displacement of a peripheral inserted central catheter. She recovered completely after an acutely performed pericardiocentesis. The pericardial fluid was consistent with parental...... nutrition. Pericardiac effusion must be suspected in children with central catheters and sudden cardiovascular decompensation. This article discusses recommended positioning of peripherally inserted central catheters....

  6. Forældreperspektivet på det anbragte barn

    DEFF Research Database (Denmark)

    Højberg, Kirsten Margaret

    2011-01-01

    udviklingspsykologi (Stern, 2004, 2000, 1999; Trevarthen & Aitgen, 2001; Trevarthen, 2001; Schaffer, 2005, 2001, 1999, 1977) og i tilknytningsteorien (Bowlby, 2006, 1998a, 1998b, 1997, 1994; Ainsworth, 1989, 1967; Bretherton, 1987; Cassidy & Shaver, 2008; Broberg, 2010, 2008; Smith, 2003). I den kvalitative...

  7. Udder health in a Danish compost bedded pack barn

    DEFF Research Database (Denmark)

    Svennesen, Line; Enevoldsen, Carsten; Bjerg, Bjarne Schmidt;

    Besides welfare advantages of the compost bedded pack system (CBP) there could be a negative effect of the organic bedding on udder health. Our objectives were to evaluate the effects of a CBP on udder health compared to a free stall system (FS) with sand bedded cubicles. Within the same Danish...

  8. Stresshyperglykaemi hos et barn med svaer akut gastroenteritis

    DEFF Research Database (Denmark)

    Bjerre, Jesper V.

    2002-01-01

    A case of a two years and ten months old girl with severe acute gastroenteritis, dehydration, and hyperglycaemia is described. Transient hyperglycaemia is a common clinical finding in children under stress. We discuss the distinction between hyperglycaemia as a prediabetic state and that as a phy...

  9. Varicella-zoster-infektion kompliceret med bakteriel pneumoni hos barn

    DEFF Research Database (Denmark)

    Wolthers, Benjamin Ole; Thiested, Ebbe; Gyhrs, Anette F

    2015-01-01

    This case report describes how a three-year-old girl referred to our paediatric ward, infected with varicella-zoster virus and a bacterial pneumonia causing atelectasis. The girl did not respond to initial treatment with intravenous antibiotics. Only after a lung drain was inserted she gradually ...

  10. Trombotisk trombocytopenisk purpura hos barn med lavt ADAMTS13 enzymniveau

    DEFF Research Database (Denmark)

    Spangenberg, Katrine Bredsdorff; Clasen-Linde, Erik; Poulsen, Anja

    2014-01-01

    Thrombotic thrombocytopenic purpura (TTP) is a rare condition, but important to consider in case of thrombocytopenia and haemolysis. It is imperative to proceed with the correct treatment, in order to ensure a satisfactory outcome. TTP is either acquired or idiopathic. This case report shows that...

  11. Att arbeta med unika barn : - elever med Asperger syndrom

    OpenAIRE

    Nordström, Veronica

    2007-01-01

    Abstract The aim of this survey has been to achieve knowledge about Asperger syndrome. What does this require of the pedagogue? How should the physical environment be designed in a classroom for pupils with Asperger syndrome? With qualitative interviews of one special pedagogue and one teacher in class 1-3, the level of knowledge has become better about how pupils with Asperger syndrome cope with situations in school, but also how the pedagogue can relate by being flexible and by practising o...

  12. Psykose i barne- og ungdomsalderen. Psykopatologi og differentialdiagnostik

    DEFF Research Database (Denmark)

    Pagsberg, Anne Katrine; Madsen, Gitte; Bilenberg, Niels

    2008-01-01

    Psychosis in childhood and adolescence is rare. Psychotic manifestations in childhood are associated with diagnostic diversities. The diagnostic group pervasive developmental disorder, not otherwise specified (PDD-NOS) are often used in childhood and may be a precursor of schizophrenia or affecti...... the genesis and aetiology of psychoses Udgivelsesdato: 2008/11/10...

  13. Har du talt med dit barn i dag?

    DEFF Research Database (Denmark)

    Korsgaard, Klara Aalbæk

    2012-01-01

    Sommer er ferie og leg og samvær med børnene. Fri for skole og fri for arbejde. God tid. Men det betyder ikke nødvendigvis, at skriften skal skippes. Lad den følge med.......Sommer er ferie og leg og samvær med børnene. Fri for skole og fri for arbejde. God tid. Men det betyder ikke nødvendigvis, at skriften skal skippes. Lad den følge med....

  14. CI og det døvblinde barn

    DEFF Research Database (Denmark)

    Dammeyer, Jesper Herup

    2005-01-01

    I den følgende artikel præsenterer jeg en diskussion af temaer omkring CI til døve og døvblinde børn og et treårigt psykologisk forskningsprojekt omkring CI.......I den følgende artikel præsenterer jeg en diskussion af temaer omkring CI til døve og døvblinde børn og et treårigt psykologisk forskningsprojekt omkring CI....

  15. Barn, bygg och konstruktion : Om barns bygg och konstruktion i förskolan ur ett genusperspektiv

    OpenAIRE

    Jonsson, Caroline

    2015-01-01

    The purpose of this study was to examine how children of the age of 4-6 years build and designs in preschool. With help of the socio-cultural and gender perspective has interviews with children in the age between 4-6 years been analyzed to examine how children reason and acts about gender roles in building and construction in preschool. The study is based on qualitative semi-structured interviews that were done while the children got to play and build with large LEGO bricks. The LEGO bricks w...

  16. Temporal and spatial variation of methane concentrations around lying cubicles in dairy barns

    NARCIS (Netherlands)

    Wu, Liansun; Groot Koerkamp, Peter W.G.; Ogink, Nico W.M.

    2016-01-01

    To breed cows for low methane production, farm measurement methods are required to measure individual methane production of cows. The long lying period of cows in cubicles could be utilised here. However, variable aerial conditions around cubicles may challenge this approach. The objective of thi

  17. Demokrati som möjlighet i små barns liv och verksamhet

    Directory of Open Access Journals (Sweden)

    Birgitta Qvarsell

    2011-08-01

    Full Text Available Title: Democracy as a possibility in young children’s life and activitiesAbstract: In this article influence and partaking in decisions as fundamental preconditions for young children’s democratic possibilities and development are questioned. In a cultural democratic view, which is here proposed, other conditions may be more important, such as having to do with creative activities and ways to express oneself in various modes. Examples are given from daily life in and around preschool, to illustrate the reasoning of how democracy may grow and be expressed by young children, in terms of affordances, meaning making and room for action. Problems as well as possibilities are in the end a question of whose control and power will be most decisive in preschool daily life. However, it is also a question of respect. How active and autonomous may children be allowed to become?  

  18. Measurement methods to assess methane production of individual dairy cows in a barn

    NARCIS (Netherlands)

    Wu, L.

    2016-01-01

    Abstract Mitigation of methane production from dairy cows is critical to reduce the dairy industry’s contribution to the production of greenhouse gases. None of current used methane measurement methods are flawless and application of the methods is limited to assess the effect

  19. Hvad kan man udsætte et udsat barn for?

    DEFF Research Database (Denmark)

    Holm, Claus

    2016-01-01

    Udsatte børn har ret til mere end blot beskyttelse. Og ved at møde dem med høje forventninger i skolen styrker man deres livsduelighed. Claus Holm, lektor på DPU, Aarhus Universitet, forsker i hvilke idéer, der har formet vores opfattelse af udsatte børn, og forklarer, hvordan »styrkeforbedringsp...

  20. Influence of feed delivery frequency on behavioural activity of dairy cows in freestall barns

    Directory of Open Access Journals (Sweden)

    Elisabetta Riva

    2013-09-01

    Full Text Available Research on feeding management in more competitive free-stall settings indicates that frequency of delivery of fresh feed stimulates feed bunk attendance and can affect other aspects of cows’ time budgets apart from feeding such as time spent standing vs. lying down. The objective of this study was to examine how the frequency of feed delivery affects the behavior in two farms, one with a conventional and one with automatic milking system (AMS. The feeding frequency was varied from two to three times per day in the conventional dairy farm; one to two times per day in the AMS farm. The experiment was carried out in two different seasons. All behaviours of the cows were monitored in continuous by video recording. As expected, behavioral indices have been significantly affected by environmental conditions both in conventional farm and AMS farm. The variation in the frequency of feed delivery seems to affect the cow behavioural activity only in a limited way and modify only slightly the daily averages of the time spent in different activities mainly increasing the time cows spend standing (+4- 5%.

  1. Barns kommunikation och lärande i fysik genom praktiska experiment

    Directory of Open Access Journals (Sweden)

    Pernilla Nilsson

    2012-12-01

    Full Text Available Physics is often considered to be a difficult, abstract and boring school subject. This article describes astudy of 11-year old children’s discussions of scientific concepts related to experiments in the classroom and to the Liseberg amusement park. The study was made in May 2004 and the empirical material consists of tape recorded group discussions from the preparation lesson before the amusement park visit. The analysis focuses on how children use, develop and verify their knowledge, and how they express an increased construction of knowledge and understanding through the dialogues. The discussions indicate an ability to develop, explain and exemplify physical phenomena and concepts and connect them to their everyday experiences.

  2. Occurrence of arsenic and phosphorus in ditch flow from litter-amended soils and barn areas

    Science.gov (United States)

    Little is known about the fate of arsenic (As) in land applied litter from chickens that have been fed roxarsone, an organic feed additive containing As. This study seeks to elucidate the transfer of As in runoff from ditch drained soils of the poultry producing region of the Delmarva Peninsula by t...

  3. Onderzoek naar brandveiligheid voor dieren in veestallen = Study regarding fire safety of barns for farm animals

    NARCIS (Netherlands)

    Bokma-Bakker, M.H.; Hagen, R.R.; Bokma, S.; Bremmer, B.; Ellen, H.H.; Hopster, H.; Neijenhuis, F.; Vermeij, I.; Weges, J.

    2012-01-01

    Onderzoek naar knelpunten in de brandveiligheid van veestallen voor de dieren en verbetermogelijkheden, o.a. in regelgeving. Het onderzoek had tot doel om: - Inzicht te geven in naleving van de huidige regelgeving met betrekking tot stalbrandpreventie; - Inzicht te geven in de mogelijkheden om diere

  4. Female plumage spottiness signals parasite resistance in the barn owl (Tyto alba)

    NARCIS (Netherlands)

    Roulin, A; Riols, C; Dijkstra, C.; Ducrest, A.L

    2001-01-01

    The hypothesis that extravagant ornaments signal parasite resistance has received support in several species for ornamented males but more rarely for ornamented females. However, recent theories have proposed that females should often be under sexual selection, and therefore females may signal the h

  5. On farm development of bedded pack dairy barns in The Netherlands : animal welfare and milk quality

    NARCIS (Netherlands)

    Ouweltjes, W.; Smolders, E.A.A.

    2014-01-01

    In dit rapport worden resultaten beschreven, wat betreft diergezondheid en -welzijn alsmede melkkwaliteit, van 3 Nederlandse praktijkbedrijven, die hun melkvee de laatste jaren huisvesten in nieuw gebouwde vrijloopstallen. De 3 bedrijven hebben gemeen dat de koeien kunnen liggen in een vrijloopruimt

  6. Tenkning i sykepleie om eksklusjon av foreldre ved barns innleggelse i sykehus

    Directory of Open Access Journals (Sweden)

    Hildegunn Sundal

    2015-12-01

    Full Text Available Analyses of textbooks in nursing, of photographs and numerous other documents suggest that parents had limited access to participate in the care for their hospitalized children in Norway in the period 1877-1940. The analyses are conducted in the tradition of the French philosopher Michel Foucault’s writings on discipline. In accordance with Foucault’s understanding, it seems logical that ideas about parenting exclusion had impact even within the hospital health care system in the current era, provided the general separation of parents and children in the modern industrial society at large. In this perspective, exclusion of parents in the hospital health care system may be considered a consequence of employers’ interests with regard to productivity, the lack of welfare services for parents, and the fear of parents transmitting infections from the hospitals.

  7. Distribution of the characteristics of barbs and barbules on barn owl wing feathers.

    Science.gov (United States)

    Weger, Matthias; Wagner, Hermann

    2017-03-03

    Owls are known for the development of a silent flight. One conspicuous specialization of owl wings that has been implied in noise reduction and that has been demonstrated to change the aerodynamic behavior of the wing is a soft dorsal wing surface. The soft surface is a result of changes in the shape of feather barbs and barbules in owls compared with other bird species. We hypothesized that as the aerodynamic characteristics of a wing change along its chordwise and spanwise direction, so may the shape of the barbs and barbules. Therefore, we examined in detail the shapes of the barbs and barbules in chordwise and spanwise directions. The results showed changes in the shapes of barbs and barbules at the anterior and distal parts of the wing, but not at more posterior parts. The increased density of hook radiates at the distalmost wing position could serve to stiffen that vane part that is subject to the highest forces. The change of pennulum length in the anterior part of the wing and the uniformity further back could mean that a soft surface may be especially important in regions where flow separation may occur.

  8. Theoretical foundations of the sound analog membrane potential that underlies coincidence detection in the barn owl.

    Science.gov (United States)

    Ashida, Go; Funabiki, Kazuo; Carr, Catherine E

    2013-01-01

    A wide variety of neurons encode temporal information via phase-locked spikes. In the avian auditory brainstem, neurons in the cochlear nucleus magnocellularis (NM) send phase-locked synaptic inputs to coincidence detector neurons in the nucleus laminaris (NL) that mediate sound localization. Previous modeling studies suggested that converging phase-locked synaptic inputs may give rise to a periodic oscillation in the membrane potential of their target neuron. Recent physiological recordings in vivo revealed that owl NL neurons changed their spike rates almost linearly with the amplitude of this oscillatory potential. The oscillatory potential was termed the sound analog potential, because of its resemblance to the waveform of the stimulus tone. The amplitude of the sound analog potential recorded in NL varied systematically with the interaural time difference (ITD), which is one of the most important cues for sound localization. In order to investigate the mechanisms underlying ITD computation in the NM-NL circuit, we provide detailed theoretical descriptions of how phase-locked inputs form oscillating membrane potentials. We derive analytical expressions that relate presynaptic, synaptic, and postsynaptic factors to the signal and noise components of the oscillation in both the synaptic conductance and the membrane potential. Numerical simulations demonstrate the validity of the theoretical formulations for the entire frequency ranges tested (1-8 kHz) and potential effects of higher harmonics on NL neurons with low best frequencies (<2 kHz).

  9. Helicobacter pylori Eradication and Gastric Cancer: When Is the Horse Out of the Barn?

    NARCIS (Netherlands)

    A.C. de Vries; E.J. Kuipers; E.A.J. Rauws

    2009-01-01

    Helicobacter pylori infection is a major risk factor for gastric cancer development. Therefore, H. pylori eradication may be an important approach in the prevention of gastric cancer. However, long-term data proving the efficacy of this approach are lacking. This report describes two patients who de

  10. Vilometabolism hos barn och ungdomar med Cerebral Pares : En deskriptiv korrelationsstudie

    OpenAIRE

    Karlsson, Maria; Arborén, Charlotte

    2013-01-01

    Background: Cerebral Palsy is usually divided into three subgroups: ataxic, spastic and dyskinetic, where children and adolescents can, because of misestimation in nutrition and energy intake, suffer from weight problems. Aim: To compare calculations with equations with the individual's measured RMR in the subgroups, to see if any equation is more suitable. This could be used as a tool to calculate the resting metabolism at times when it is not possible to perform clinical measurements. Metho...

  11. Environmental Assessment for Lake Ashtabula Winter Drawdown, Barnes County, North Dakota

    Science.gov (United States)

    2013-07-31

    These environmental effects could adversely impact fish, benthic organisms, aquatic mammals such as beaver and muskrat, aquatic vegetation, reptiles ...growing at these depths. 5.2.7 Mammals and Birds Beavers and muskrats are the mammals most likely to be affected by the drawdown activities on...climate change predictions, the wetter conditions that have occurred in North Dakota in recent years are not likely to change. Therefore, it is

  12. Citalopram indtaget under graviditet og barn født med Mb

    DEFF Research Database (Denmark)

    Nielsen, Sebastian Werngreen; Qvist, Niels

    2014-01-01

    Citalopram taken during pregnancy and the child born with Ugeskr Laeger 2013;175:V03130178 A woman treated with citalopram during the entirety of her pregnancy bore a child with Hirschsprung’s disease. Theories on the development of the enteric nervous system support a possible negative effect...

  13. Effects of vole fluctuations on the population dynamics of the barn owl Tyto alba

    NARCIS (Netherlands)

    Klok, T.C.; Roos, A.M.

    2007-01-01

    Many predator species feed on prey that fluctuates in abundance from year to year. Birds of prey can face large fluctuations in food abundance i.e. small mammals, especially voles. These annual changes in prey abundance strongly affect the reproductive success and mortality of the individual predato

  14. Laryngeal neurofibromatose hos et ni måneder gammelt barn

    DEFF Research Database (Denmark)

    Højbak, Anette Fribo Møller; Schollert, Niels Erik; Jensen, Eva Margrethe Precht;

    2011-01-01

    Neurofibroma of the larynx is a very rare condition. A nine month-old boy presented with airway obstruction due to a plexiform neurofibroma of the larynx. It also involved the proximal part of trachea and hypopharynx. Surgical excision was not a possibility. A tracheotomy was performed in order t...

  15. Differential anuran bone preservation in a taphocenoti sample of Barn owl pellets

    Directory of Open Access Journals (Sweden)

    B. Sanchiz

    2005-01-01

    Full Text Available Los restos procedentes de la depredación de rapaces nocturnas son el componente tafocenótico más importante de los anfibios recuperados en yacimientos del Cuaternario europeo. En este trabajo se analiza un depósito actual de egagrópilas de Lechuza común (Tyto alba, próximo a su destrucción tafocenótica, procedente de Campos y Salave (Asturias. Se han recuperado 4973 huesos de anuros, pertenecientes a 140 individuos. Para dos de las especies presentes (Discoglossus galganoi y Rana temporaria, se calcula el grado de conservación, capacidad de identificacion y variaciones en la diferencia del Número Mínimo de individuos de cada uno de los elementos principales del esqueleto. No hay diferencias significativas de conservación entre elementos bilaterales, ni de proporción de elementos entre especies, detectándose en cambio grandes variaciones en resistencia estructural de cada hueso, y por ende en su facilidad para ser recuperados. El ílion se confirma como elemento individual que presenta la mayor capacidad de conservarse y ser recuperado, siendo una base firme para la identificacion taxonómica.

  16. "Stakkars pappa" – hva kan far-barn-relasjonen si oss om barnerollen?

    Directory of Open Access Journals (Sweden)

    Kiil, Hanne

    2011-03-01

    Full Text Available “Poor daddy”–child's perspective and iconotext in three award-winning picture books. The Western dichotomy between children and adults characterize our opinion both on children and childhood. In this understanding framework the children are seen as something totally different from adults. Can artistic children's literature modify this habitual thinking about such hierarchical levels? The three books to examine closer have all won awards from Ministry of Culture as the best Norwegian picture book that year. Both Svein Nyhus: Pappa [Daddy] (1998, Hans Sande and Gry Moursund: Arkimedes og brødskiva [Archimedes and the Sandwich] (2000 and Stein Erik Lunde and Øyvind Torseter: Eg kan ikkje sove no [I Can't Sleep Now] (2008 are first-person narratives where the main character is a child. In such picture books visual and verbal point of view rarely are the same. The illustrations usually observe the central character from a distance and then allow the reader not only to adopt the narrator's point of view. What kind of ambiguities in the complex relationship between text and images give signals to the readers–and to the understanding of the narrator's position and perspective? What can this perspective and the iconotext in the three books tell us about today's children's role?

  17. Ekstrakorporal membranoxygenering af et barn med svær kemisk pneumoni

    DEFF Research Database (Denmark)

    Bille, Anders Bastholm; Pedersen, Karen Damgaard; Hertel, Steen

    2011-01-01

    was changed to veno-arterial extracorporeal membrane oxygenation (ECMO) on the third day. After nine days of ECMO and further two days of conventional ventilatory treatment he was extubated, and four months later the child presented with normal X-ray of the lungs and without any signs of disease....

  18. Guide för referenshantering : APA-manual inom Barn- och ungdomsvetenskap (BUVA)

    OpenAIRE

    Engdahl, Ingrid

    2014-01-01

    Denna guide behandlar först hur du enligt APA refererar i löpande text och därefter hur man skriver en referenslista. För en komplett guide till APA Style hänvisas till Publication Manual of the American Psychological Association (American Psychological Association, 2010) eller till hemsidan http://www.apastyle.org, där det finns tydlig introduktion i ljud och bild till APA Style.

  19. Differential Endocannabinoid Regulation of Extinction in Appetitive and Aversive Barnes Maze Tasks

    Science.gov (United States)

    Harloe, John P.; Thorpe, Andrew J.; Lichtman, Aron H.

    2008-01-01

    CB[subscript 1] receptor-compromised animals show profound deficits in extinguishing learned behavior from aversive conditioning tasks, but display normal extinction learning in appetitive operant tasks. However, it is difficult to discern whether the differential involvement of the endogenous cannabinoid system on extinction results from the…

  20. Svaer bronkospasme hos et-årigt barn behandlet med halotan

    DEFF Research Database (Denmark)

    Hansen, Tom Giedsing; Pedersen, C M; Lybecker, H

    1994-01-01

    A case of severe bronchospasm in a one-year old mechanically ventilated girl which in spite of maximal conventional bronchodilatory treatment only responded to halothane inhalation is presented. The benefits and limitations of this therapy are discussed....

  1. Citalopram indtaget under graviditet og barn født med mb. Hirschsprung

    DEFF Research Database (Denmark)

    Nielsen, Sebastian Werngreen; Qvist, Niels

    2013-01-01

    A woman treated with citalopram during the entirety of her pregnancy bore a child with Hirschsprung's disease. Theories on the development of the enteric nervous system support a possible negative effect of SSRI usage. Epidemiological studies confirm a correlation between pregnant women's use of ...

  2. Barns kjemiske lekemiljø: Nivå og kilder til PAH i barnehagejord i Trondheim

    OpenAIRE

    Frøland, Stine Lindset

    2008-01-01

    Innholdet av 16 PAH-forbindelser og sumPAH(16) ble bestemt i 107 prøver av overflatejord fordelt på 10 barnehager i Trondheim. Sammenlignet med tidligere undersøkelser av PAH i Trondheim viser barnehagene det laveste innholdet av PAH. I barnehagene antydes det at vedfyring og veitrafikk er viktige kilder til den diffuse forurensningen av PAH.

  3. Tåtourniquetsyndrom hos barn på tre måneder

    DEFF Research Database (Denmark)

    Monrad, Rikke Nygaard; Rytter, Søren

    2011-01-01

    Toe tourniquet syndrome is a rare condition in which a hair or thread becomes tightly wrapped around an appendage, which causes ischaemic strangulation. We present a three month-old infant with strangulation of one toe to direct attention to this condition. Prompt recognition and complete removal...

  4. Kejsersnit kan have konsekvenser på lang sigt for både mor og barn

    DEFF Research Database (Denmark)

    Aabakke, Anna J M; Krebs, Lone; Lykke, Jacob A

    2015-01-01

    The rate of caesarean section is increasing worldwide. There is scientific evidence that caesarean sections have long-term consequences in consecutive pregnancies and for mother and child. This article reviews these consequences. When consulting women before decision on mode of delivery...... it is encouraged that all these issues are taken into account and balanced to the benefits of having a caesarean section....

  5. Den språklige faktor : pedagogisk-psykologisk utredning av barn med minoritetsspråklig bakgrunn

    OpenAIRE

    Aagaard, Knut Erik

    2011-01-01

    The dissertation deals with school psychology assessment of minority language children in a typical sample of Norwegian school psychology services, in a three-phase design with an embedded intervention, where statements are evaluated before and after professional development, and for long term effect after a two year latency period. Internationally there are few studies of assessment practices aimed at language minority students, and no one study points to adequate national practices in an...

  6. Barns möte med institutionaliserad undervisning och dess innebörder för demokratiskt medborgarskap

    Directory of Open Access Journals (Sweden)

    Johan Liljestrand

    2010-01-01

    Full Text Available Children’s encounters with institutionalized teaching and theirimplications for democratic citizenship. The aim of this article is to study children’s early socialization to institutionalized teaching practices and its consequences for democratic citizenship. The data on which the study is based consist of recordings from a group of 5-year-olds at a preschool and from a preschool class. The results show that a recurring pattern in teaching practices is that curricula are closely linked to the knowledge and experiences of the teachers, with few connections with the lifeworld of the children. If institutionalized teaching is to support democratic citizenship,it is suggested that children’s perspectives and experiences must be seen as an important point of departure.

  7. DAt-Kon – et verktøy for differensiering av atferds- og konsentrasjonsvansker hos barn

    OpenAIRE

    2013-01-01

    DAt-Kon is a Norwegian assessment tool for behavioral and concentration problems in children as described by parents and close guardians in the home and school setting. The term ‘DAt-Kon’ is an acronym for ‘Differentiation of behavioral and concentration problems’. The tool, which has been developed by the present author, was designed for primary use within the municipality based Educational and Psychological Service (PPT). The most important task for the PPT is to provide e...

  8. God social funktion hos et barn med kraftig synsnedsættelse på grund af korioretinale kolobomer

    DEFF Research Database (Denmark)

    Madsen, Mads Brok Molbech; Gade, Else

    2016-01-01

    A child born with bilateral colobomas was referred to the department of ophthalmology. At birth the child was assumed to be blind. During the follow-up period of seven years his visual acuity improved to 0.08 and he became a socially and intellectually well-functioning child. He attended a normal...... school, and in his spare time he was able to ride his bike, swim and play football. This example illustrates how difficult it is to predict the visual and social function of a newborn with poor vision....

  9. [The behaviour of lactating dairy cows in an outdoor climate stall barn depending on air temperature in the stall].

    Science.gov (United States)

    Tober, Olaf; Loebsin, Christiane

    2013-01-01

    In this study activity and lying behavior of dairy cows were examined. ALT-pedometers for automatic detection of behavior were used. The results of the investigations show that lactating dairy cows react with altered behavior on different temperatures. Particularly affected was the resting behavior. At high temperatures the total length of lying decreased and the number of lying periods increased. The exact temperature is not known at which a cow has significant stress. So results are insufficient to fully exploit the behavior as an indicator of heat stress.

  10. Regnbågsfamiljer och könsöverskridande barn. Bilderbokens nya invånare

    OpenAIRE

    Heggestad, Eva

    2013-01-01

    Rainbow families and transgendered children. New inhabitants in Swedish picture books for children This study is an analysis of Swedish picture books for children with queer themes. It includes books published since 1999, questioning the heterosexual norm regarding sex, gender, and sexuality. The books deviate from the traditional nuclear family ideal in that they depict children or adults who have not adapted to a traditional gender representation or families with one or two of the parents l...

  11. Genetic and environmental components of variation in eumelanin and phaeomelanin sex-traits in the barn owl

    NARCIS (Netherlands)

    Roulin, A; Dijkstra, C

    2003-01-01

    Knowledge of the mechanism underlying the expression of melanin-based sex-traits may help us to understand their signalling function. Potential sources of inter-individual variation are the total amount of melanins produced but also how biochemical precursors are allocated into the eumelanin and pha

  12. Medullær thyroideacancer hos et ti måneder gammelt barn med multipel endokrin neoplasi 2B

    DEFF Research Database (Denmark)

    Mathiesen, Jes Sloth; Døssing, Helle; Bender, Lars;

    2014-01-01

    In infants at risk of multiple endocrine neoplasia type 2B (MEN2B) the American Thyroid Association recommends genetic testing as soon as possible after birth and that thyroidectomy should be performed in MEN2B RET-mutation positive individuals as soon as possible and if possible within the first...

  13. Hvordan fastholdes deltagere i nuværende danske mor-barn kohorter, så frafald mindskes?

    DEFF Research Database (Denmark)

    Hansen, Jane Søborg; Terkelsen, Marlene

    2014-01-01

    . Health research is a broad field, but one of the areas is the Development of cohort studies, including the mother­‐child cohorts.These types of cohort studies provide a Unique opportunity to investigate the triggers of disease, because the data Collection starts during the woman's pregnancy. The data...... Collection continues after the birth where it is primarily the child WHO is being examined. There are several large mother­‐child cohorts, both in Denmark and abroad, and they provide important knowledge about Health and disease. However, a cohort are challenged by the fact that it enrolls participants...... for a long period of time, and therefore requires special attention to minimize the drop­‐out rate, since a high drop-‐out rate will have consequences for the results of the cohort. It is remarkable that none of the current mother-­‐child cohorts are concerned about these issues and do more to investigate...

  14. Effect of rubber flooring on claw health in lactating dairy cows housed in free-stall barns.

    Science.gov (United States)

    Vanegas, J; Overton, M; Berry, S L; Sischo, W M

    2006-11-01

    Multiparous dairy cows between 10 to 30 d in milk (DIM) were enrolled in a clinical trial to evaluate the effects of rubber flooring on the development of claw lesions, locomotion scores, clinical lameness, and rates of hoof growth and wear. Two groups of cows were housed in identical free-stall facilities, except that 1 pen (rubber, n = 84) had rubber alley mats covering the entire concrete floor of the pen, whereas cows in the second pen were exposed to concrete flooring (concrete, n = 82) without rubber alley mats. All cows were evaluated 3 times between 10 and 30, 74 and 94, and 110 and 130 DIM for 1) the presence of claw lesions on their rear feet, 2) the occurrence of clinical lameness based on a locomotion score, and 3) rates of claw growth and wear as observed on the dorsal wall of the right lateral claw. No differences between flooring groups at the time of enrollment were detected for lactation number, mean DIM at first examination, body condition score, and proportion of cows with claw lesions at the first examination. Odds of developing claw lesions between examinations were not different for cows exposed to the rubber surface compared with those exposed to concrete. Cows on concrete, however, had greater odds of developing or exacerbating existing heel erosion than cows on rubber flooring. Regardless of the flooring surface, the lateral claw was more likely to develop lesions than the medial claw. Odds of becoming lame by the third examination and the proportion of cows requiring therapeutic hoof trimming because of lameness were greater for concrete-exposed cows than those on rubber. Cows on rubber flooring had decreased claw growth and wear between the first and last examination compared with cows on concrete. Regardless of flooring surface, second-lactation cows had greater wear rates than those in third or greater parities. Results of our study suggest that a soft flooring surface, such as interlocking rubber, is beneficial for hoof health.

  15. Idealet om det glade og afstemte barn: Pædagogers blik for trivsel i børnehaven

    Directory of Open Access Journals (Sweden)

    Anette Boye Koch

    2012-12-01

    Full Text Available Abstract: Danish early childhood professionals (pedagogues are responsible for the well-being of all children in their care, but it is not clear what well-being implies. The article presents an analysis showing how pedagogues observe and categorize the well-being in children. Well-being is a state that pedagogues recognize by using special' seeing-techniques', related to their ideas of how children are supposed to behave in a certain context. The body of a child is culturally created, depending on the indoor or outdoor surroundings. The ideal of a happy child is an attuned child, who is able to adapt to adult expectations, while the physical surroundings are co-determining what the pedagogues 'see'.

  16. Barn, musik och hälsa. Om självutveckling och känslohantering

    OpenAIRE

    Wrangsjö, Björn; Trondalen, Gro

    2012-01-01

    Music has a value in itself. However, the value and meaning of music is not simply limited to an inherent human aesthetic means of expression or a modality of experience. Music is also well documented in therapy and can be of importance for the promotion of health and wellbeing.This text presents children, music, and health in two ways. Firstly, it addresses the handling of stress focusing affect regulation through music. Secondly, the text investigates the development of self both in a speci...

  17. Synchronization Oestrous Effect in Barn Feeding Sheep%舍饲绵羊同期发情效果观察

    Institute of Scientific and Technical Information of China (English)

    高建明; 王占赫; 张中文; 刘云海; 倪和民; 曹永春; 孙玉成; 傅文栋

    2006-01-01

    试验采用阴道埋置孕酮海绵栓+肌肉注射PMSG法和肌肉注射PG法对具有正常发情周期和未知发情周期的舍饲绵羊进行同期发情处理.结果表明,两种方法均可使母羊在1~2 d内集中发情,但具有正常发情周期活动的母羊同期发情率好于未知发情周期的正常母羊,且PMSG注射剂量以200 IU好于240 IU;一次PG处理效果显著.

  18. Att fånga komplexiteten i små barns lärande: En metodologisk reflektion

    Directory of Open Access Journals (Sweden)

    Camilla Björklund

    2010-04-01

    Full Text Available The aim of this article is to discuss methodological issues that appear as video technology is being used more frequently in research on early childhood. Research with a video camera as a tool for collecting data has made it possible to more thoroughly interpret and understand children's experiences and learning. One video episode may be interpreted from several different perspectives, which makes the research elusive and sets claimson validity, on the other hand it strengthens the interpretation of the variety in the learning processes due to the opportunity to bring forth the complexity in children's spontaneous learning activities. In this article the concept of videography in research on early childhood education is discussed concerning its methodical and methodological possibilities and limitations.

  19. Phase II Testing at a Prehistoric Site (32BA418) at Lake Ashtabula (Sheyenne River) Barnes County, North Dakota.

    Science.gov (United States)

    1984-01-01

    55 K LITHIC ANALYSIS Chipped Stone. .. .......................... 61 Artifacts. .. ........................... 61 Waste Flakes... Lithic analysis was conducted by Richard A. Fox. Others involved in analysis and preparation of the report included Michael L. Gregg, Sarah Moore, Bob...sample. **- 60 ,..;. . . . ... J. LITHIC ANALYSIS by Richard A. Fox The purpose of the lithic analysis was fourfold. First was the desire to determine the

  20. A refined protocol for calculating air flow rate of naturally-ventilated broiler barns based on co2 mass balance

    Directory of Open Access Journals (Sweden)

    Luciano Barreto-Mendes

    2014-01-01

    Full Text Available Este estudio se realizó para evaluar protocolos relativamente simples para el monitoreo de la tasa de ventilación (TV en instalaciones pecuarias con ventilación natural (ENV. Los protocolos de ensayo se aplicaron primero a una instalación de pollos de engorde mecánicamente ventilada (EMV, donde TV se estimó con mayor precisión y luego se utilizaron para calcular la TV en la ENV. Las concentraciones de CO2 se midieron con dos esquemas de muestreo diferentes: (S1 la media de las mediciones al interior y a lo largo de la longitud de la instalación a dos alturas de 0,5 m y 1,5 m del suelo; y (S2 igual que la anterior pero con las mediciones de concentración fueron realizadas únicamente a 0,5 m del suelo. La tasa de producción de CO2 metabólico dinámico de las aves se predijo con dos algoritmos diferentes: (A1 el mantenimiento constante durante los periodos de luz y oscuridad, y (A2 que varía con la actividad de los animales sobre una base horaria. Los resultados demostraron que la combinación de S2 con A1 o A2 presentó la mejor estimación de TV en el ENV.

  1. 77 FR 56608 - Opportunity for Designation in the Champaign-Danville, IL; Emmett, MI; Davenport, IA; Enid, OK...

    Science.gov (United States)

    2012-09-13

    ...; State Route 15 north to Barnes Road; Barnes Road east to Sheridan Road; Sheridan Road north to State... south to State Route 46; State Route 46 west to Sheridan Road; Sheridan Road south to Barnes...

  2. Tid till att bli svensk: En studie av mottagandet av nyanlända barn och familjer i den svenska förskolan

    Directory of Open Access Journals (Sweden)

    Johannes Lunneblad

    2013-05-01

    Full Text Available This paper is from a study about the integration of young refugee children and their families in Sweden. The preschool has here a special responsibility in this mission for children in the age 1-5. The setting for the study is a multiethnic area located on the outskirts of the city. Methodologically an extended case is used. The study has so far been conducted during a period of 14 months doing fieldwork 1-2 days a week. The analyse focus on how the educators educate practice and talk about how the immigrant parents raise and foster their children. This is described as part of a wider ambition to integrate immigrants in Swedish society.

  3. Katten också! : Exponering för pälsdjur och dess konsekvenser för pälsdjursallergiska barn

    OpenAIRE

    Egmar, Ann-Charlotte

    2005-01-01

    In Sweden about 40-50 % of the population has furred pets at home, primarily a cat or a dog, and about 1520% of the population is allergic to pets. Allergic symptoms may be provoked among pet allergic individuals by direct or indirect exposure to furred pets. For a number of children with allergic disease the quality of life may be impaired as a consequence of their disease. The overall aim of this thesis was to examine: 1) exposure to pet allergens in relation to keeping of...

  4. ”En ny hverdag”. Mødres opplevelse av hverdagen med et prematurt barn, og støtten ved en ressurshelsestasjon

    Directory of Open Access Journals (Sweden)

    Solveig Sørby

    2015-12-01

    Full Text Available The study explores mothers’ of premature infants experience of how health centers especially adapted for families with premature infants can help them to cope with everyday life after discharge from a neonatal intensive care unit. Background: Premature children are at higher risk for physical and mental health problems, which makes parenting demanding. The transition between hospital and home is a challenging period where parents may need extra support to cope with everyday life. Method: Nine mothers of premature infants receiving follow-up care at a health center especially adapted for families with premature infants were interviewed. Data were analyzed by Kvale and Brinkmann’s guidelines for text analysis. Findings: The study revealed that mothers of premature infants need to adapt to a daily life with both challenges and joys. Mothers’ sense of coping in everyday life is affected by the public health nurse’s knowledge of and experience with premature infants. Conclusion: Mothers of premature infants experience a challenging daily life after discharge from neonatal intensive care unit. A health center especially adapted for families with premature infants can help mothers cope with everyday life after discharge through availability, flexibility, expertise, facilitating a social network and focusing on mothers’ own experience of their daily life.

  5. The hot gas cleaning with multifunctional sorbent technique at 1-20 bar pressure; Kaasujen kuumapuhdistus multifunktionaalisella sorbenttitekniikalla 1-20 bar:n paineessa

    Energy Technology Data Exchange (ETDEWEB)

    Jaanu, K.; Orjala, M.; Paakkinen, K.; Rantanen, J. [VTT Energy, Espoo (Finland)

    1996-12-01

    The aim of the research was to study the simultaneous hot gas cleanup of alkali metals and selected heavy metals under pressure of 1-20 bar using multifunctional sorbent technology, to investigate effects of it on sulfur and nitrogen emissions and to improve the total efficiency of the hot gas cleanup method by reducing the concentrations of harmful components to the level required by the gas turbines. The research has started in the year 1993. The optimization of the test facility at 900 deg C and 20 bar has been accomplished, as targeted. The main topics have been the alkali metals. The main targets of the year 1994 was to concentrate on the research of sorbent effectiveness to remove the impurities like alkalies etc. from the flue gas. Furthermore researches on kinetics and mechanisms were started. The results showed that the developed multifunctional sorbent are highly effective to remove alkalies from the flue gas. Also a mechanism for alkali and lead sorption was proposed. The main topics for 1995 were scheduled to be the completion of the kinetic and mechanical studies and the modelling and the estimation of the data for the pilot scale unit. The kinetic data for one sorbent has been completed and a model for that has also been developed. The measured and calculated results are indicating that the developed multifunctional sorption process is highly effective to remove alkalies and heavy metals such as lead and cadmium from high-temperature combustion gases. The tests are carried out mainly using the pressurized entrained flow reactor of VTT Energy, located in Jyvaeskylae, and in the university of Arizona, where the tests are conducted under atmospheric pressure. Some comparisons of the results might be made with those of Aabo Akademi during the future modelling. 3. The results are applied to purification of the hot gases in boilers, power and process industry. (Abstract Truncated)

  6. Field evaluation of wood bark-based down-flow biofilters for mitigation of odor, ammonia, and hydrogen sulfide emissions from confined swine nursery barns.

    Science.gov (United States)

    Kafle, Gopi Krishna; Chen, Lide; Neibling, Howard; Brian He, B

    2015-01-01

    Two down-flow wood bark-based biofilters were evaluated for their effectiveness in treating odor, NH3 and H2S under actual swine farm conditions. The water requirement for maintaining proper media moisture contents (MC) under different ventilation rates and intervals were determined. The effect of media depth and MC on the biofilters' performance was also evaluated. The aerodynamic resistance on biofilters was studied using computational fluid dynamics (CFD) software. Water requirements for biofilters were obtained in the range of 3.8-556.0 L/m(3)/d for ventilation duration of 1-24 h/d (depending on the age of the pig and environmental conditions). The highest reductions in odor, NH3 and H2S, obtained in this study at empty bed residence times (EBRT) of 1.6-3.1 s, were 73.5-76.9%, 95.2-97.9% and 95.8-100.0%, respectively. The pressure drop was 28.8-68.8 Pa for a media depth of 381 mm at an EBRT of 1.6-3.1 s and an MC of 64-65%. The pressure drop followed a secondary order polynomial line with both airflow rate and media MC (R(2) = 0.927-0.982). The results of odor, NH3 and H2S reduction efficiency and pressure drop suggest a media depth of ≥254 mm, MC ≥ 35-50% and EBRT of 2-3 s for successful operations of the wood bark-based biofilters. A high correlation was found between the measured and predicted pressured drops obtained using CFD software (R(2) = 0.921, RMSE = 0.145).

  7. Et løfte om inkludering: Barnehagens rammer for samhandling mellom hørselshemmede og hørende barn i barnehagen

    Directory of Open Access Journals (Sweden)

    Ann Elise Kristoffersen

    2013-10-01

    Full Text Available In Norway today, most deaf children are in their local nursery school together with hearing children. To facilitate inclusive settings where deaf and hearing children can interact on equal terms require knowledge about deafness and the needs of these children. This study shows that nursery schools have challenges in developing such inclusive settings especially concerning knowledge and competence. We discuss how the framework for the nursery school curricula, programs and expertise may impact deaf children’s opportunities for collaboration in significant literacy events.

  8. 烟叶烤房温湿度控制系统设计%Tobacco Barn Temverature and Humiditv Control Svstem Desien

    Institute of Scientific and Technical Information of China (English)

    祖华龙

    2011-01-01

    This article is based on AT89C51 microcontroller on tobacco curing temperature and humidity control system to gain my point.Design consists of hardware and software design.Hardwares.PWM circuit,the various implementing agencies,Alarm circuit and so on.The hardware structure used:AT89C51,temperature sensor, humidity sensor, PWM generator, SG1731,AD and DA conversion circuit chip 8255 port expansion,Various implementation motors and so on.Software design including:PID,control flow, display scan and so on.Every program has the corresponding descriptions and flow charts,besides,The procedures are written by the assembly language which runs faster and is more precise timing.To carry my point,I have studied the tobacco curing technology, and draw the flow chart.Through a combination of hardware and software,to achieve the target of control,people are freed from the complex work.Finally, there is a hardware circuit diagram,a bill of materials and the assembly procedures to help design the circuit. The design of upgrading the quality of tobacco in the greenhouse has an important role in the design and the same reference.It will be helpful to people who want design the similar system.I also got much through this single chip and knew how to design the basic applied circuit.%本文是基于单片机AT89C51对烟叶烘烤系统的温湿度进行控制。设计包括硬件电路设计和软件设计。硬件电路包括温湿度检测电路、PWM发生电路、执行机构、报警电路等,用到的硬件结构有:AT89C51、温度传感器、湿度传感器、PWM发生器SG1731、AD和DA转换电路、端口扩展芯片8255、执行电机。软件设计包括:PID、控制流程、显示扫描等。大部分程序都有相应的介绍和程序流程图,程序由运行更快、计时更精确的汇编语言编写。本人研究了烟叶烘烤技术并画出控制流程图。通过软硬件的结合,实现对目标的自动控制,使人们从复杂劳动中解脱出来。最后附有硬件电路原理图、材料清单和汇编程序。本设计对提升烟叶烘烤品质有重要作用并对同类温室的设计有借鉴意义。本人也通过本次设计学会了单片机的基本应用。

  9. Sub-lethal effects of the anticoagulant rodenticides bromadiolone and chlorophacinone on breeding performances of the barn owl (Tyto alba in oil palm plantations

    Directory of Open Access Journals (Sweden)

    Salim Hasber

    2014-12-01

    Full Text Available Štúdia skúma vplyv prvej generácie antikoagulacného rodenticídu chlórofacinonu a druhej generácie bromadiolonu na parametre hniezdenej úspešnosti plamienky driemavej na plantážach palmy olejovej. Založili sa tri pokusné plochy: jedna ošetrená chlórofacinonom, dalšia s bromadiolonom a tretia kontrolná bez rodenticídu. Na chemicky ošetrených plochách sa pocas hniezdnej sezóny rodenticíd vykladal štyri krát. Obsadenost hniezdnych búdok, velkost znášky, pocet vyliahnutých mládat a podiel vyletených mládat plamienky sa zistovali v týždenných intervaloch. Z obsadených hniezd sa tiež v týždenných intervaloch zbierali vývržky. Z výsledkov vyplýva, že podiel obsadených búdok bol štatisticky významne vyšší na chemicky neošetrenej ploche než na plochách s vyloženou otrávenou návnadou. Rovnako aj parametre hniezdenia - velkost znášky, pocet vyliahnutých mládat a pocet vyletených mládat - dosahovali vyšších hodnôt na neošetrenej ploche. Z výsledkov z vysokoúcinnej kvapalinovej chromatografie (HPLC vyplýva, že 20,56 % (priemerná koncentrácia rezíduí: 1 ,335 ± 0,073 lg/g a 28,89 % (priemerná koncentrácia rezíduí: 0,777 ± 0,032 lg/g z vývržkov zozbieraných v rodenticídom ošetrených plochách obsahovalo rezíduá bromadiolonu alebo chlórofacinonu. Priemerná velkost znášky a pocet vyletených mládat negatívne korelovali s priemernou koncentráciou rezíduí rodenticídov vo vývržkoch a s relatívnym podielom vývržkov obsahujúcich tieto rezíduá (R2 k 0.44, P 0.05. Zovšeobecnujúc možno konštatovat, že cím vyššie bolo množstvo chemických rezíduí vo vývržkoch, tým nižšie boli parametre hniezdnej úspešnosti

  10. Spänningslitteratur för barn och vuxna: När målgrupper och genrer korsas i verkens paratexter

    OpenAIRE

    Kärrholm, Sara

    2016-01-01

    Many of the established Swedish crime writers write for both adults and young readers. These authors are successful in the two literary market segments that are dominating the contemporary Swedish book market: crime literature and children’s literature. Can certain developed trademarks in their authorship for adults be used in order to market books for other age groups and to what extent do the authors use this possibility? This article specifically addresses three authors writing for both yo...

  11. Frequently but Naturally: William Michael Duane, Kenneth Charles Barnes and Teachers as Innovators in Sex(uality) Education in English Adolescent Schooling--c. 1945-1965

    Science.gov (United States)

    Limond, David

    2005-01-01

    This piece considers a pivotal period in British social, political, cultural and educational history, the decades from 1945 to 1965. It reviews key policy documents (issued by the Board of Education in 1943 and 1944 and the Department of Education and Science in 1968) which can be said to "frame" the period and proceeds to examine the practices…

  12. Ett designprojekt med fokus på för tidigt födda barns emotionella behov i kuvös

    OpenAIRE

    Andersson, Isabel

    2014-01-01

    Babies born prematurely are deprived of normal sensorimotor stimulation when placed in an artificial environment, the incubator. The aim of this project was to design a series of products that could promote the baby’s emotional and neurological development, and to facilitate parental bonding.  The products designed in this project has a theoretical basis on the research available today on cognitive and emotional development in children born prematurely. They were developed in close cooperatio...

  13. ”Det feta barnet” : en diskursanalys av dagspressens framställning av barn som bedöms som överviktiga eller feta

    OpenAIRE

    Berglund, Camilla; Karlsson, Eva

    2006-01-01

    The aim of this undergraduate thesis was to examine the media’s portrayal of overweight and obese children and their surroundings, using the first and third dimensions of Fairclough’s three dimensional model for critical discourse analysis. The study addressed the following questions: How does the press, in this study represented by two newspapers, portray overweight and obese children? What discourses regarding overweight and obesity among children are the most prominent in these two newspap...

  14. Approaching the Nature of Love in Julian Barnes' Levels of Life%论巴恩斯《生命的层级》中爱之本质

    Institute of Scientific and Technical Information of China (English)

    白雪花; 杨金才

    2015-01-01

    英国作家朱利安·巴恩斯曾在多部作品中书写了爱这一主题.其2013年的作品《生命的层级》从天空、大地到墓穴三个垂直空间层次,叙述了三位主人公的经历及巴恩斯自己失去爱妻派特·卡瓦纳后的感受.从爱作为想象性生存建构模式、作为对话性的伦理范式以及作为信仰性的实践智慧三个方面探讨爱的本质.巴恩斯从个体经验出发,试图以爱作为一种救赎与信仰,形成生命的基本范式,以构建生活经验与知识的真实内涵,从而确立情感的智性维度.

  15. "You Can't Get by Without the Dream": Belief in Julian Barnes's A History of the World in 10 ½ Chapters

    Directory of Open Access Journals (Sweden)

    Tory Eszter

    2014-03-01

    Full Text Available This paper presents a less examined dimension of Barnes’s writings, which is the dominant role that belief plays in the development of his characters in A History of the World in 10 1/2 Chapters. The main argument of my essay is whether love can be considered as the most significant proposition of the novel. A content-based analysis of the novel’s “The Survivor” chapter demonstrates Barnes’ sceptic attitude towards postmodern rationalism, while the examination of "Parenthesis" and "Dream" chapter shows that hope, which becomes synonymous with belief in the novel, is actually the most permeating phenomenon in the novel.

  16. 论《亚瑟与乔治》中的东方主义%Approaching Orientalism in Julian Barnes's Arthur & George

    Institute of Scientific and Technical Information of China (English)

    李颖

    2016-01-01

    《亚瑟与乔治》中东方主义既是乔治·艾达吉历史冤案的推手,也是小说虚构和审美基础之一.一方面,乔治虽为英国公民,但因其东方人外貌和混血身份仍被他人视为东方人,并被作为英国历史上真实发生的大沃利动物伤害案的罪犯,判刑坐牢,蒙受不白之冤;另一方面,虽然巴恩斯在小说中多处称乔治为“英国人”,但在想象和虚构乔治和家人的生活时,同样受到东方主义的影响,不仅将艾达吉家庭神秘化和怪异化,也将乔治与妹妹关系推向极端至“不伦”.这在一定程度上弱化了小说的反种族主义基调.

  17. Efectos de la restricción comportamental crónica sobre el aprendizaje de una tarea espacial en el laberinto circular de Barnes

    Directory of Open Access Journals (Sweden)

    Alejandro Múnera

    2005-03-01

    Full Text Available Estudios anteriores utilizando modelos de memoria espacial basados en la natación forzada o la deprivación alimentaria han mostrado que el estrés por inmovilización aplicado de forma crónica (21 días afecta el aprendizaje en términos de la velocidad para aprender la tarea y del número de errores cometidos. Igualmente, se ha observado que el estrés deteriora la ejecución cognitiva despúes de largos intervalos y la mejora a intervalos cortos (despuesta adaptativa.

  18. Spänningslitteratur för barn och vuxna: När målgrupper och genrer korsas i verkens paratexter

    Directory of Open Access Journals (Sweden)

    Kärrholm, Sara

    2016-12-01

    Full Text Available Many of the established Swedish crime writers write for both adults and young readers. These authors are successful in the two literary market segments that are dominating the contemporary Swedish book market: crime literature and children’s literature. Can certain developed trademarks in their authorship for adults be used in order to market books for other age groups and to what extent do the authors use this possibility? This article specifically addresses three authors writing for both young and adults: Anna Jansson, Kristina Ohlsson and Åsa Larsson. Their novels for a younger audience are analysed based on how they are packaged and marketed through paratexts such as covers, illustrations, and other texts, using Gérard Genette’s theory of paratexts and theories of genre and marketing. The analysis shows that these authors and their publishers use similar, but also different strategies to hold on to their former target group while also reaching out to new readers. The adult crime genre has an indirect influence over the market of mystery books for children, which is also seen in how different aspects of the crime market for adult crime fiction have become more important on the book market for children, involving agents, events and tourism.

  19. COST COMPARISON BETWEEN BARN WITH STRUCTURAL ELEMENTS MADE OF CONCRETE AND METAL SHED WITH ROOF TRUSS AND PRECAST ABUTMENTS FOR THE SINOP-MT

    Directory of Open Access Journals (Sweden)

    K. A. F. Miranda

    2016-07-01

    Full Text Available The purpose of this article it was show a cost comparative between two constructive methods employed in sheds in the city of Sinop-MT, constructed with precast beams of armed concrete and structural system of the roofs varying between metalic trellis and precast concrete beams. For this, it was created a standard project, with the same architetonic dimensions, being dimensioned all elements for both methods. To the elaborationof the structural projects were followed cauculation scripts always with the assistence of the softwares VisualVentos, Ftool, DimPerfil and Superporticos, like the current norms. As a result the two buildings studied showed numerous differences, both in costs as in structural features, having a big variation in the self weight of approximately 47%. As element wich made this comparative relevant, stands out that the roof system of the shed with metalic structure had a variation of 173% when compared with the competitor shed. Thus, the constructive system, where all the parts were made of concrete, showed a cost variation of 52% to minus when compared to the competing system, were ignored in the quantitative elements outside the structure in which both were equal

  20. Pluralistisk religionsundervisning og egengjøring som ideal. Hva kan vi lære av erfaringene til barn med hindubakgrunn?

    Directory of Open Access Journals (Sweden)

    Tove Nicolaisen

    2015-12-01

    Full Text Available The aim of this article is to contribute to the development of a more pluralistic Religious Education. The Norwegian RE teaching in state schools is meant to be “objective, critical and pluralistic”. A project about Hindu children’s experiences with the Norwegian subject “Religion, Philosophies of Life and Ethics” revealed constructs of normality in Religious Education. These normality constructs are based on Western ideas about religion. The findings from the project provide specific knowledge of the children's agency, but this knowledge has also raised critical questions about normality constructs and laid the groundwork for a larger discussion of issues related to children and religious education more generally. The article presents some of the children’s experiences, including the concept of religion, concepts of the divine and the relation between faith and religious practice. The analyses revealed that the children often represented an alternative or oppositional discourse and that the children's positioning themselves could challenge "RE-normality" by representing inclusive attitudes to other religions, expressing complex understandings of the divine and representing approaches to religious practice that differed from the dominant discourse. From this point of departure the article discusses approaches that can contribute to a more pluralistic and fair teaching and avoid othering and exoticism. The approaches are inspired by Homi Bhabha’s “third space”, Edward Soja’s “spatial theory”, “visual culture” from art history, narrative theory and dialogical approaches.

  1. "Hemma längar jag bort, borta längtar jag hem." Andra världskrigets finska krigsbarn i svensk barn- och ungdomslitteratur

    Directory of Open Access Journals (Sweden)

    Ulf Boëthius

    2010-01-01

    Full Text Available During and after the Second World War Sweden received around 70 000 Finnish war children. It was by far the biggest of all contingents of refugees during the war. The (often only Finnish speaking children were placed in Swedish foster homes or in children's homes. Most of them were sent back to Finland after the war but a big group also stayed with their foster parents. The movements from one home to another (some made this journey on more than one occasion made many of them feel lonely, deserted and abandoned. In this paper I am going to discuss how the Finnish war children are depicted in Swedish books for children and youth from the war years up until today. After a discussion of the fluctuations of interest in the Finnish child refugees in Swedish children's books I will focus on how they have been depicted. What aspects have been focused on and what problems have been selected (or neglected in different books at different times? I will also show how the treatment of the subject has been governed by a whole set of different factors: the age of the addressees, the choice of genre, the expanding research on the Second World War (and more specific the Finnish war children, the public debates on the treatment of (also contemporary war refugees and not least the changes of the Swedish literature for children and youth, from the 1960s focusing more on social problems and developing towards a greater realism.

  2. Energi- och näringsintag hos 1 år gamla barn : En tvärsnittsstudie genomförd på 1 år gamla barn med hög respektive låg risk för utveckling av övervikt och fetma med fokus på energi- och näringsintag

    OpenAIRE

    Blomqvist, Johanna; Karlsson, Patrik

    2012-01-01

    Obesity is a growing problem worldwide among children and adolescents. Previous research has shown that food habits and weight in order children with high and low risk of developing obesity (based on parental BMI) differs between the two groups. It has also been shown that the mother affects the child´s food habits and weight.

  3. Récritures du Déluge et de l’Arche de Noé dans la fiction contemporaine de langue anglaise (Coover, Findley, Winterson, Roberts et Barnes

    Directory of Open Access Journals (Sweden)

    Vanessa GUIGNERY

    2004-06-01

    Full Text Available Dans Boating for Beginners (1985 de Jeanette Winterson, la figure du démon orange remarque : “Flood myths are very potent things, humankind can’t resist them” (92. À en juger par les nombreuses représentations du Déluge en peinture et dans la littérature, par les multiples essais sur la question et par les diverses entreprises de récriture du désastre biblique, il semble en effet que les figures du Déluge n’en finissent pas de fasciner les lecteurs, de susciter la réflexion et de stimuler l...

  4. Effectiveness Comparative Study of Tobacco Curing on Different Alternative Energy Intensive Barn%不同替代能源密集烤房烟叶烘烤效能对比研究

    Institute of Scientific and Technical Information of China (English)

    郭大仰; 刘尚钱; 肖志新; 刘芮; 彭坚强; 胡志明; 曹娜; 李丽

    2016-01-01

    [目的]探索烟叶烘烤燃煤的替代能源。[方法]对生物质压块、生物质颗粒和醇基3类燃料与常规燃料(褐煤)的烟叶烘烤效能进行对比研究。[结果]3种替代能源在燃烧烟气中主要污染物的排放明显低于常规燃料,烘烤过程中升温速度、稳温性能明显提高(除生物质压块外),整个烘烤工艺时间可缩短6~14 h,对初烤烟叶外观质量无明显影响;醇基燃料成本较高,烘烤综合成本约是褐煤成本的2.4倍,经济效益较差。[结论]生物质颗粒燃料可作为常规燃料(褐煤)的替代能源应用于烟叶实际烘烤工艺中。%Objective] The aim was to explore alternative energy of coal for baking.[Method] The baking efficiency of biomass briquetting, biomass particles, alcohol and conventional fuel (lignite) was comparatively studied.[Result] The results showed that alternative energy dur-ing combustion flue gas emissions of major pollutants were significantly lower than conventional fuel, heating speed, stable temperature per-formance was improved significantly (except fot biomass briquetting), baking process could be shorten 6-14 hours, no significant effect on the appearance quality of cured tobacco leaves, alcohol baking overall costs were increased by approximately 2.4-fold compared with lignite. [Conclusion] Biomass particles can be used as alternative energy of conventional fuel(lignite).

  5. ”Kan verka skrämmande på små barn.” Våld, sex och historiebruk i tv-serien Trälarna

    OpenAIRE

    Tommy Gustafsson

    2012-01-01

    This article examines the television adaption and reception of Swedish youth novelist Sven Wernström's series of historical youth novels called Trälarna (“The Thralls”) in the late 1970s and early 1980s. The book series as well as the Danish animated televisions series used a noticeable class perspective in order to make comparisons between the condition of slaves in medieval times and Swedish working class of the 19th and 20th centuries. In accordance with ...

  6. ’’Kan verka skrämmande på små barn.’’ Våld, sex och historiebruk i tv-serien Trälarna

    OpenAIRE

    Gustafsson, Tommy

    2012-01-01

    This article examines the television adaption and reception of Swedish youth novelist Sven Wernström’s series of historical youth novels called Trälarna  (‘‘The Thralls’’) in the late 1970s and early 1980s. The book series as well as the Danish animated televisions series used a noticeable class perspective in order to make comparisons between the condition of slaves in medieval times and Swedish working class of the 19th and 20th centuries. In accordance with the novels, the television serie...

  7. ”Kan verka skrämmande på små barn.” Våld, sex och historiebruk i tv-serien Trälarna

    Directory of Open Access Journals (Sweden)

    Tommy Gustafsson

    2012-11-01

    Full Text Available This article examines the television adaption and reception of Swedish youth novelist Sven Wernström's series of historical youth novels called Trälarna (“The Thralls” in the late 1970s and early 1980s. The book series as well as the Danish animated televisions series used a noticeable class perspective in order to make comparisons between the condition of slaves in medieval times and Swedish working class of the 19th and 20th centuries. In accordance with the novels, the television series therefore displays a strong moral historical perspective. The analysis in the article focuses mainly on the abundant use of violence and sex as political and pedagogical instruments to promote class consciousness among its child viewers. In contrast to the novels, the television series was able to create more explicit audiovisual images of violence and sex that, in fact, were censored by Swedish state television before it was aired on a child friendly timeslot. Although some scenes in the television series were censored, the final analysis reveals that “The Thralls” can be seen as a rather typical example of the politically and aesthetically radical Swedish children's culture of the 1970's.

  8. Desempenho de telhas de escória de alto forno e fibras vegetais em protótipos de galpões Performance of tiles composed of blast furnace slag and vegetable fiber in prototype barns

    Directory of Open Access Journals (Sweden)

    Maristela N. da Conceição

    2008-10-01

    Full Text Available Busca-se, em todo o mundo, a substituição do cimento amianto por alternativas seguras para o ambiente e para a saúde do trabalhador, além de econômicas, razão por que o uso de fibras vegetais como aglomerado em países tropicais onde estes resíduos são abundantes, tem-se mostrado bastante viável. No presente experimento foram comparadas telhas de cimento amianto pintadas com tinta reflexiva, telhas cerâmicas e telhas compostas de uma matriz à base de cimento Portland CPII 32Z (ABNT NBR-5735, escória de alto-forno (EAF e sílica ativa, reforçadas com fibras de polpa celulósica de sisal (Agave sisalana. Utilizaram-se protótipos de galpões avícolas nos quais o calor produzido pelas aves foi simulado por lâmpadas incandescentes. Para caracterização do ambiente térmico lançou-se mão dos índices de conforto: ITU (índice de temperatura e umidade, ITGU (índice de temperatura de globo e umidade, CTR (carga térmica radiante e entalpia (H em que os resultados demonstraram que as telhas compostas apresentaram comportamento térmico semelhante ao das telhas cerâmicas, podendo ser utilizadas em substituição às telhas de cimento amianto.The substitution of cement asbestos by safer and equally economical alternatives has being searched for throughout the world. The usage of vegetal staple fiber as agglomerate in tropical countries where these residues are abundant has shown it self to be viable. In this study, roofing tiles fabricated with cement base Portland CPII 32Z (ABNT NBR-5735, blast furnace slag (EAF, active silica reinforced with cellulose pulp staple fibers of sisal (Agave sisalana were compared with cement asbestos roofing tiles with white paint and ceramic roofing tiles. Prototypes of poultry facilities were used and lamps simulated the heat produced by the birds. Indices ITU, ITGU, CTR and entalpy (H were employed for the characterization of the thermal atmospheric comfort and the results showed that the alternative roofing tiles were similar to the ceramic tiles and could be used as a substitute for asbestos roofing tiles.

  9. CTD cast and zooplankton count data collected in Dabob Bay, Hood Canal, Puget Sound, Washington during twenty-six cruises aboard the CLIFFORD A. BARNES, February 2002 - April 2004 (NODC Accession 0014832)

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — This dataset contains CTD cast and zooplankton data collected during twenty-six cruises to Dabob Bay, Washington in 2002 - 2004 for the project entitled "Copepod -...

  10. Relationship between Presence of Cows with Milk Positive for Mycobacterium avium subsp. paratuberculosis-Specific Antibody by Enzyme-Linked Immunosorbent Assay and Viable M. avium subsp. paratuberculosis in Dust in Cattle Barns

    NARCIS (Netherlands)

    Eisenberg, S.W.F.; Chuchaisangrat, R.; Nielen, M.; Koets, A.P.

    2013-01-01

    Paratuberculosis, or Johne’s disease, in cattle is caused by Mycobacterium avium subsp. paratuberculosis, which has recently been suspected to be transmitted through dust. This longitudinal study on eight commercial M. avium subsp. paratuberculosispositive dairy farms studied the relationship betwee

  11. El estrés agudo interfiere con la evocación y promueve la extinción de la memoria espacial en el laberinto de barnes

    OpenAIRE

    2010-01-01

  1. Bilateral zeta functions and their applications

    OpenAIRE

    Shibukawa, Genki

    2011-01-01

    We introduce a new type of multiple zeta functions, which we call bilateral zeta functions, analogous to the Barnes zeta functions. The bilateral zeta function is a periodic function and shares certain basic properties of Barnes zeta function. Especially, we prove that the bilateral zeta function has a nice Fourier series expansion and the Barnes zeta function can be expressed as a finite sum of bilateral zeta functions. By these properties of the bilateral zeta functions, We obtain simple pr...

  2. Paradigmeskift mod en ny livsdueligheds pædagogik

    DEFF Research Database (Denmark)

    Holm, Claus

    2014-01-01

    ene ændring fra pædagogik med fokus på henholdsvis det arvsramte og risikoudsatte barn til en pædagogik med fokus på det resiliente barn. Den anden og højaktuelle ændring foregår fra pædagogik med fokus på det risikoudsatte og resiliente barn til pædagogik med fokus på det såkaldt antifragile og...

  3. Behavioral Neuroscience Laboratory

    Data.gov (United States)

    Federal Laboratory Consortium — This lab supports cognitive research using rodent models. Capabilities for behavioral assessments include: Morris water maze and Barnes maze (spatial memory) elevate...

  4. Radiochemical determination of the neutron capture cross sections of {sup 241}Am irradiated in the JMTR reactor

    Energy Technology Data Exchange (ETDEWEB)

    Shinohara, N.; Hatsukawa, Y.; Hata, K.; Kohno, N. [Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan). Tokai Research Establishment

    1997-03-01

    The thermal neutron capture cross section {sigma}{sub 0} and Resonance integral I{sub 0} of {sup 241}Am leading to the production of {sup 242m}Am and {sup 242g}Am were measured by radiochemical method. The cross sections obtained in this study are {sigma}{sub 0}=60.9 {+-} 2.6 barn, I{sub 0}=213 {+-} 13 barn for {sup 241}Am(n,{gamma}){sup 242m}Am and {sigma}{sub 0}=736 {+-} 31 barn, I{sub 0}=1684 {+-} 92 barn for {sup 241}Am(n,{gamma}){sup 242g}Am. (author)

  5. Behavioral Neuroscience Laboratory

    Data.gov (United States)

    Federal Laboratory Consortium — This lab supports cognitive research using rodent models. Capabilities for behavioral assessments include:Morris water maze and Barnes maze (spatial memory)elevate...

  6. Statistical properties of spontaneous otoacoustic emissions in one bird and three lizard species

    NARCIS (Netherlands)

    vanDijk, P; Manley, GA; Gallo, L; Pavusa, A; Taschenberger, G

    1996-01-01

    Spontaneous otoacoustic emissions were recorded in the barn owl Tyto alba guttata (five ears), and in three lizard species (Callopistes maculatus, one ear; Varanus exanthematicus, seven ears; Gerrhonotus leiocephalus, one ear). The barn owl ears emitted one or two emission frequencies; the lizard ea

  7. An Ultrasound Catalyzed Ozone Oxidation Process Feasibility Study for the Destruction of TNT and Other Explosives in Aqueous Solution.

    Science.gov (United States)

    1982-10-01

    ultrasound with a 23 kHz generator. While they found a direct relationship between increasing ultrasonic intensity and reaction rate, Fogler and Barnes...35] Chen, . W. and W. M. Kalback, Industrial Engineering Chemical Fundamentals 6. (1967), p. 175. [36] Fogler , H. S. and D. Barnes, Industrial

  8. NDIR Gas Sensor for Spatial Monitoring of Carbon Dioxide Concentrations in Naturally Ventilated Livestock Buildings

    Directory of Open Access Journals (Sweden)

    Luciano B. Mendes

    2015-05-01

    Full Text Available The tracer gas ratio method, using CO2 as natural tracer, has been suggested as a pragmatic option to measure emissions from naturally ventilated (NV barns without the need to directly estimate the ventilation rate. The aim of this research was to assess the performance of a low-cost Non-Dispersive Infra-Red (NDIR sensor for intensive spatial field monitoring of CO2 concentrations in a NV dairy cow house. This was achieved by comparing NDIR sensors with two commonly applied methods, a Photo-Acoustic Spectroscope (PAS Gas Monitor and an Open-Path laser (OP-laser. First, calibrations for the NDIR sensors were obtained in the laboratory. Then, the NDIR sensors were placed in a dairy cow barn for comparison with the PAS and OP-laser methods. The main conclusions were: (a in order to represent the overall barn CO2 concentration of the dairy cow barn, the number of NDIR sensors to be accounted for average concentration calculation was dependent on barn length and on barn area occupation; and (b the NDIR CO2 sensors are suitable for multi-point monitoring of CO2 concentrations in NV livestock barns, being a feasible alternative for the PAS and the OP-laser methods to monitor single-point or averaged spatial CO2 concentrations in livestock barns.

  9. Do Teams Adapt to Fatigue in a Synthetic C2 Task?

    Science.gov (United States)

    2004-06-01

    Barnes, Miller, 2003; Harville, Elliott, Coovert, Barnes, Miller, 2003). In addition, one of the team roles had lower workload, allowing us to assess...not on others (friendly losses to fuel outs and hostile actions). General activity level for the team roles declined with fatigue (number of orders

  10. Can the Earth be Dated from Decay of Its Magnetic Field?

    Science.gov (United States)

    Dalrymple, G. Brent

    1983-01-01

    Thomas G. Barnes, geologist/creationist, argues that the geomagnetic field was created by unknown processes when earth was created and has been decaying (irreversibly/exponentially) with a half-life of about 1,400 years since then. Shows that Barnes' proposition is wrong and explains why the earth's age cannot be determined from magnetic-field…

  11. 78 FR 32441 - National Register of Historic Places; Notification of Pending Nominations and Related Actions

    Science.gov (United States)

    2013-05-30

    ..., 505 Barnes, Alva, 13000395 OREGON Marion County Moser, Joseph Henry, Barn, 507 S. 3rd St., Silverton, 13000396 Soderberg, Peter and Bertha, House, (Silverton, Oregon, and Its Environs MPS), 1106 Pine St., Silverton, 13000397 SOUTH CAROLINA Richland County Owen Building, 1321 Lady St., Columbia,...

  12. A Double-Blind Randomized Placebo Controlled Trial of Magnesium Oxide for Alleviation of Chronic Low Back Pain

    Science.gov (United States)

    1999-10-01

    for a Magnesium Oxide 12 general anesthesia effect. In a study by Aldrete , Barnes, and Aikawa (1968), dogs were used as to evaluate the anesthetic...Medicine, 24, 21-26. Aldrete , J., Barnes, D., & Aikawa, J. (1968). Does magnesium produce anesthesia? Anesthesia and Analgesia, 47, 428-433. Altura, B. M

  13. 77 FR 75153 - Notice of Receipt of Pesticide Products; Registration Applications To Register New Uses

    Science.gov (United States)

    2012-12-19

    ...: Fungicide. Proposed Uses: Seed treatment for use on potato; and potato, wet peel. Contact: Heather Garvie... Ingredient: Fluxapyroxad. Product Type: Fungicide. Proposed Uses: Seed treatment use on Brassica vegetables... stable fly larvae in cattle barns and horse barns; control of litter beetles in poultry...

  14. Enzootic Plague Reduces Black-Footed Ferret (Mustela nigripes) Survival in Montana

    Science.gov (United States)

    2010-01-01

    of plague. Clin Microbiol Rev 1997; 10:35–66. Poland, JD, Barnes, AM. Plague. In: Steele, JH, ed. CRC Handbook Series in Zoonoses . Boca Raton, FL...Quan, TJ, Barnes, AM, Polland, JD. Yersiniosis. In: Barlows, A, Hausler, WJ, Jr., eds. Diagnostic Procedures for Bacterial, Mycotic and Parasitic

  15. Sea Songs: Readers Theatre from the South Pacific

    Science.gov (United States)

    Barnes, James

    2004-01-01

    Allow students to experience the richness of Polynesian culture as well as the challenge of dramatic reading with this Readers Theatre resource. During his years of living and teaching in Oamaru, New Zealand, James Barnes became intimately involved in the Maori culture. Through extensive research of the mythology of Polynesia, Barnes succeeded in…

  16. Hur ser egentligen AKK-samspel ut?

    DEFF Research Database (Denmark)

    Pilesjö, Maja Sigurd

    Hur ser egentligen AKK-samspel ut? Interaktionsmönster mellan barn med omfattande kommunikativ och motorisk funktionsnedsättning och deras vardagliga samtalspartners. Hur kan egentligen samspel mellan barn med kommunikationsvårighe- ter gå till och faktiskt också fung- era? Maja Sigurd Pilesjö...

  17. The Science of Cow Comfort: Building Better Barns-Seeing the Free Stall from the Cow's Perspective%奶牛舒适度的科学:设计更好的卧床——奶牛感觉舒适的卧床

    Institute of Scientific and Technical Information of China (English)

    王艳明; 边四辈; 崔春涛; 于磊

    2013-01-01

    不管是躺卧区域还是站立区域,奶牛都喜欢柔软的表面.深槽卧床是最舒适的卧床,但需要很好的维护.当设计散放场自由卧床时,物理屏障越少越好.限制性硬件投入越多,奶牛越不喜欢.卧床的一些限制硬件可以保持牛床干净,但是为了避免肢蹄病的发生,这些硬件是必须配备好的,如软的、干的地面.饲喂区域的设计和管理很重要.饲养密度过高会增加牛只间的攻击性,使得从属地位的牛远离采食区域.牛只间的物理屏障,包括颈夹和采食槽,能够降低竞争、增加采食时间.%Cows like softer surfaces,for both lying down and for standing upon.Deep-bedded stalls work well for cow comfort,but require maintenance.When it comes to the physical structures used to build freestalls,less is more-the hardware we place in the stall is for our benefit and not the cows.The more restrictive we design stalls the less attractive they become for the cow.Use of restrictive stall designs can help keep stalls clean,but to avoid problems with hoof health these designs need to be accompanied by better flooring options,such as softer and drier flooring.The design and management of the feeding area important.High stocking densities at the feed bunk increase aggressive competition and keep subordinate cows away from feed.Physical barrier between cows,including head lockers and feed stalls,can help reduce this competition and increase feeding time.

  18. « The arrested step », Nightwood de Djuna Barnes : « Une image est une halte que fait l’esprit entre deux incertitudes » “The arrested step”, Djuna Barnes’s Nightwood: “An image is a stop the mind makes between uncertainties”

    Directory of Open Access Journals (Sweden)

    Christiane Guillois

    2009-05-01

    Full Text Available The tortured universe of Nightwood engages in a fundamental questioning of the common notion of man’s duality. Against a backdrop in which night is indistinguishable from day and characters are denied their wholeness, the body, essentially the body seen in movement, appears as the paradox inherent in the human condition. The reader encounters five characters drifting towards madness in an unsettled world, and a startlingly poetic prose that constantly disrupts the flow of events as it relentlessly explores their existential depths. With an unwavering sense of urgency, the literature of excess that defines Djuna Barnes’s work pushes back the limits of the unacceptable, as if to bring into the light that which is most intimate in man. She will have none of fossilized emotions and acts predicated on habit. She seeks the authentic, and it is this quest that leads her to bodies in motion, for while fashioned out of personal history, they throb with pulsations that are universal. In her search for the universal in this animal aspiring to transcendence and now passing through its human stage, she probes the bodies of her characters with a doggedness that leads to near-disintegration. What is human in man is not permanently established; it is to be rediscovered and reconquered, constantly.

  19. Faecalicoccus acidiformans gen. nov., sp. nov., isolated from the chicken caecum, and reclassification of Streptococcus pleomorphus (Barnes et al. 1977), Eubacterium biforme (Eggerth 1935) and Eubacterium cylindroides (Cato et al. 1974) as Faecalicoccus pleomorphus comb. nov., Holdemanella biformis gen. nov., comb. nov. and Faecalitalea cylindroides gen. nov., comb. nov., respectively, within the family Erysipelotrichaceae.

    Science.gov (United States)

    De Maesschalck, Celine; Van Immerseel, Filip; Eeckhaut, Venessa; De Baere, Siegrid; Cnockaert, Margo; Croubels, Siska; Haesebrouck, Freddy; Ducatelle, Richard; Vandamme, Peter

    2014-11-01

    Strains LMG 27428(T) and LMG 27427 were isolated from the caecal content of a chicken and produced butyric, lactic and formic acids as major metabolic end products. The genomic DNA G+C contents of strains LMG 27428(T) and LMG 27427 were 40.4 and 38.8 mol%. On the basis of 16S rRNA gene sequence similarity, both strains were most closely related to the generically misclassified Streptococcus pleomorphus ATCC 29734(T). Strain LMG 27428(T) could be distinguished from S. pleomorphus ATCC 29734(T) based on production of more lactic acid and less formic acid in M2GSC medium, a higher DNA G+C content and the absence of activities of acid phosphatase and leucine, arginine, leucyl glycine, pyroglutamic acid, glycine and histidine arylamidases, while strain LMG 27428 was biochemically indistinguishable from S. pleomorphus ATCC 29734(T). The novel genus Faecalicoccus gen. nov. within the family Erysipelotrichaceae is proposed to accommodate strains LMG 27428(T) and LMG 27427. Strain LMG 27428(T) ( =DSM 26963(T)) is the type strain of Faecalicoccus acidiformans sp. nov., and strain LMG 27427 ( =DSM 26962) is a strain of Faecalicoccus pleomorphus comb. nov. (type strain LMG 17756(T) =ATCC 29734(T) =DSM 20574(T)). Furthermore, the nearest phylogenetic neighbours of the genus Faecalicoccus are the generically misclassified Eubacterium cylindroides DSM 3983(T) (94.4% 16S rRNA gene sequence similarity to strain LMG 27428(T)) and Eubacterium biforme DSM 3989(T) (92.7% 16S rRNA gene sequence similarity to strain LMG 27428(T)). We present genotypic and phenotypic data that allow the differentiation of each of these taxa and propose to reclassify these generically misnamed species of the genus Eubacterium formally as Faecalitalea cylindroides gen. nov., comb. nov. and Holdemanella biformis gen. nov., comb. nov., respectively. The type strain of Faecalitalea cylindroides is DSM 3983(T) =ATCC 27803(T) =JCM 10261(T) and that of Holdemanella biformis is DSM 3989(T) =ATCC 27806(T) =CCUG 28091(T).

  20. Study on the dynamics of spatial accumulation of oridonin and rosmariaic acid of rabdosia rubesens (Henmsl.) Barn%冬凌草甲素、迷迭香酸在冬凌草植株内空间积累的动态规律

    Institute of Scientific and Technical Information of China (English)

    苏秀红; 李雪菊; 董诚明; 王伟丽

    2009-01-01

    目的:揭示冬凌草甲素、迷迭香酸在冬凌草植株内空间积累的动态规律.方法:用高效液相色谱法测定冬凌草甲素、迷迭香酸的含量.结果:在同一株植物内,从上到下随着叶位及节问的降低,冬凌草甲素、迷迭香酸的含量也逐渐降低.结论:本结果为确定冬凌草的最佳采收部位提供了依据.%Objective: To explore the content of oridonin and rosmarinie acid in the leaves and stem of rabdosia rubesens (Henmsl.) Hara at different leaves and stem positions. Methods: The content of oridonin and rosmarinie acid was deter-mined by HPLC. Results: The content of oridonin and rosmarinie acid declined from top to bottom with the decrease of leaves and stem growth in the same plant. Conclusion: The results may provide references of the best fractions for collect-ing the rabdosia rubesens (Henmsl.) Hara.

  1. 密集烘烤过程中添加香料植物对烤烟上部叶香气质量的影响%Effects of adding aromatic plants into bulk curing barn on aroma components and smoking quality of upper-leaves in flue-cured tobacco

    Institute of Scientific and Technical Information of China (English)

    詹军; 周芳芳; 张晓龙; 王柱石; 杨应明; 毛春堂; 吕凯; 王超

    2013-01-01

    为了改善烤烟上部叶的香气质量,以K 326的上部叶为材料,研究了在密集烘烤过程中添加4种香料植物[红玫瑰(Rosa rugosa)、香叶天竺葵(Pelargoniums)、薰衣草(Lavandula pedunculata)及蓝花鼠尾草(Salvia farinacea)]对烤后上部烟叶致香物质含量和感官评吸质量的影响.结果表明,在烘烤过程中添加香料植物对致香物质总量的增加效应表现为蓝花鼠尾草>红玫瑰>对照>香叶天竺葵>薰衣草,其中蓝花鼠尾草烤后烟叶的质体色素降解产物、新植二烯、苯丙氨酸类致香物质、美拉德反应产物含量及致香物质总量分别较对照提高了37.49%,38.96%,24.87%,36.87%,35.58%,且该处理烤后烟叶的香气质细腻、柔和,香气量较充足,浓度较浓,刺激性较小,余味较舒适,整体质量较对照明显改善;添加红玫瑰后烟叶的质体色素降解产物、新植二烯、类西柏烷类致香物质含量和致香物质总量较对照增加了6.61%,7.10%,30.30%,6.74%,其评吸质量较对照有所改善.而经薰衣草和香叶天竺葵处理后烟叶的香气质量有所下降.密集烘烤过程中添加蓝花鼠尾草和红玫瑰能明显改善上部烟叶的香气质量.

  2. Trophic systems and chorology: data from shrews, moles and voles of Italy preyed by the barn owl / Sistemi trofici e corologia: dati su Soricidae, Talpidae ed Arvicolidae d'Italia predati da Tyto alba (Scopoli 1769

    Directory of Open Access Journals (Sweden)

    Longino Contoli

    1986-12-01

    Full Text Available Abstract In small Mammals biogeography, available data are up to now by far too scanty for elucidate the distribution of a lot of taxa, especially with regard to the absence from a given area. In this respect, standardized quantitative sampling techniques, like Owl pellets analysis can enable not only to enhance faunistic knowledges, but also to estimate the actual absence probability of a given taxon "m", lacking from the diet of an individual raptor. For the last purpose, the relevant frequencies of "m" in the other ecologically similar sites of the same raptor species diets are averaged ($f_m$ : the relevant standard error (multiplicated by a coefficient, according to the desired degree of accuracy, in relation of the integral of probabilities subtracted ($overline{F}_m - a E$: then, the probability that a single specimen is not pertaining to "m" is obtained ($P_0 = 1 - F_m + a E$; lastly, the desiderate accuracy probability ($P_d$ is chosen. Now, "$N_d$" (the number of individuals of all prey species in a single site needed for obtain, with the desired probability, a specimen at least of "m" is obtained through $$N = frac{ln P_d}{ln P_0}$$ Obviously, every site-diet with more than "N" preyed individuals and without any "i" specimen is considered to be lacking of such taxon. A "usefulness index" for the above purposes is outlined and checked about three raptors. Some exanples about usefulness of the Owl pellet analysis method in biogeography are given, concerning Tyto alba diets in peninsular Italy about: - Sorex minutus, lacking in some quite insulated areas; - Sorex araneus (sensu stricto, after GRAF et al., 1979, present also in lowland areas in Emilia-Romagna; - Crocidura suaveolens and - Suncus etruscus, present also in the southermost part of Calabria (Reggio province; - Talpa caeca, present also in the Antiapennines of Latium (Cimini mounts; - Talpa romana, present also in the middle of Tuscany; - Clethrionomys glareolus, lacking in few small, insulated areas, but present in coastal woodlands; - Microtus (Pitymys sp., apparently lacking only in some coastal areas of Toscana and Liguria, or in some Etna slopes (Linguaglossa. Riassunto Un metodo standardizzato e quantitativo di raccolta dei dati quale l'esame delle borre di rapaci consente non solo di integrare le conoscenze faunistiche, ma pure di tentare una valutazione della probabilità di assenza di un dato taxon da un'area geografica. In proposito, vengono presentati esempi originali circa Sorex minutus, Sorex araneus, Crocidura suaveolens, Suncus etruscus, Talpa caeca, Microtus (Pitymys savii e Microtus (Pitymys multiplex in Italia peninsulare.

  3. 不可靠叙述和多主线叙事——朱利安·巴恩斯小说《终结感》叙事策略探析%Unreliable Narration and Multiple-lined Narrative——Narrative Techniques in Julian Barnes' The Sense of an Ending

    Institute of Scientific and Technical Information of China (English)

    聂宝玉

    2013-01-01

    英国当代著名作家朱利安·巴恩斯凭小说《终结感》获得了2011年英国布克文学奖,进一步拉近了他与中国读者的亲密接触.该小说的主题复杂,笔法精湛,构思巧妙,其叙事结构尤为独特.通过对其不可靠叙述和多主线叙事等策略的探索性试验,巴恩斯使该小说达到了后现代语境下叙事技巧和主题的完美统一.

  4. Dissolution of the Real in Julian Barnes' A History of the World in 101/2 Chapters%诘问历史,探寻真实--从《101/2章人的历史》看后现代主义小说中真实性的隐遁

    Institute of Scientific and Technical Information of China (English)

    杨金才; 王育平

    2006-01-01

    传统文学批评一向热衷于文学真实性的讨论,并将其发展成一种重要的文学观念.但在后现代主义文学中,这一观念受到挑战.英国当代小说家巴恩斯在其小说中以独特的实验手法,探讨了历史、艺术与真实的关系.这部形式新奇的小说告诉读者:在后现代条件下,历史不再是对真实的记录,艺术所再现的并非本真的真实,真实和虚构之间的界限已经模糊,而真实性的存在主要取决于话语权力的操作者和话语的阐释者.

  5. Marginal Narrative Strategies and the Represented Histories: New Interpretation on Julian Barnes' A History of the World in 101/2 Chapters%边缘叙事策略及其表征的历史——朱利安·巴恩斯《十又二分之一章世界史》之新解

    Institute of Scientific and Technical Information of China (English)

    赵胜杰

    2015-01-01

    英国后现代巅峰形式实验大师朱利安·巴恩斯发表于1989年的《十又二分之一章世界史》中极具实验性和革新性.小说中,他不仅将看似互不相连的故事杂糅,形成反写实的非线性叙事,而且还借鉴新历史主义的边缘叙事策略颠覆占据主导地位的叙事模式,如:单一主体叙事和理性叙事.作者通过边缘叙述声音和非理性解构诸如历史的进步说和乌托邦说等西方宏大历史叙事,向读者呈现出一种新的历史阐释.

  6. 鹦鹉、梅杜萨之筏与画像师的画——朱利安·巴恩斯的后现代小说艺术%The Intergenre and Interart Aspects in the Fiction of Julian Barnes

    Institute of Scientific and Technical Information of China (English)

    张和龙; 朱利安·巴恩斯; 程汇涓

    2009-01-01

    本文试图从"元小说"的角度来探讨巴恩斯的后现代小说艺术.本文认为,巴恩斯在虚构文本中融人大量非虚构性文本,以匠心独运的手法揭示了不同文类、不同艺术门类之间的互文性关系,从而在更宽泛的层面上反思艺术创作和文学批评.在中,有关"鹦鹉"的调查不仅是主人公批评行为的重要内容之一,而且也是整部小说对批评行为与批评过程的隐喻性戏仿;在和中,巴恩斯则使用了一个古老的创作手法,即"描绘"手法,并进行后现代转化,使之成为独特的跨艺术门类的自反性手法.

  7. Final Environmental Impact Statement for Proposed Implementation of the Base Realignment and Closure (BRAC) Final Recommendations and Associated Actions for the 104th Fighter Wing, Massachusetts Air National Guard at Westfield-Barnes Airport, Westfield, Massachusetts. Volume 1: Executive Summary through Chapter 9.0, and Volume 2: Appendices

    Science.gov (United States)

    2007-10-01

    essential considerations of national policy which were balanced by the Agency in making this decision, and states how those considerations entered into...Y N(1) N(1) N N N Hospitals and nursing homes ................................ Y 25 30 N N N Churches, auditoria , and...being considered. What is truly necessary and how can that number be in balance with the day to day well-being of the citizens you are charged to

  8. 密集烤房加热设备材质与结构优化设计研究%Studies on the Design Optimization of Heat System and Heat Dispersion Systems Made of Different Materials in the Bulk Curing Barn

    Institute of Scientific and Technical Information of China (English)

    陈献勇; 王新旺; 刘建阳; 巫常标

    2012-01-01

    为了降低密集烤房建造成本,提高换热器使用寿命,选用铸铁和碳化硅陶瓷耐腐蚀材料制作烤房换热器.对比试验结果表明,铸铁和碳化硅陶瓷耐腐蚀材料的换热器在烤烟过程中的温差、耗煤量和热能利用效率等参数与生产所用的钢制材质换热器基本相当,部分参数优于对照,满足烟叶烘烤要求.同时改进的换热器具有抗腐蚀、易清灰、安装、保养等优点,可有效解决金属材质换热器易腐蚀、使用年限短等问题,具有较好的推广应用前景.%To increase durability of heat system and reduce the construction cost, the design of heat system was optimized and two kinds of anti-corrosion material were used to make heat exchangers for bulk curing bam in this study. The results showed that using the cast iron or SiC made heat exchangers could not bring great changes of rising temperature, removing humidity and energy consumption, compared to the steel-made heat exchanger used in practice. Moreover, the cast iron-made exchanger could save more energy than the other two. The optimized heat system had compact structure, was easy to install and maintain. Therefore, the cast iron or SiC made heat exchangers and the optimizing design method in the study has great potential for further use in the practice.

  9. Physical profile data from CTD casts from the R/V THOMAS G. THOMPSON and the R/V CLIFFORD A. BARNES from the Ecology and Oceanography of Harmful Algal Blooms (ECOHAB) program, 17 February 2005 to 13 December 2006 (NODC Accession 0049911)

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The CTD data in this collection were supported by NOAA ECOHAB project NA04NOS4780273, "The relationship between Paralytic Shellfish toxins and Alexandrium cysts in...

  10. Hvorfor faller aktivitetsnivået fra 9- til 15 årsalder?

    OpenAIRE

    Bjerke, Kristin Ødegård

    2012-01-01

    Problemområde: Forskning viser at aktivitetsnivået blant barn og unge faller fra de er 9 til 15 år gamle (Anderssen, Kolle, Steene-Johannessen, Ommundsen & Andersen, 2008). Mange slutter i sine idretter og blir inaktive. Det jeg ønsker å undersøke er hvorfor aktivitetsnivået blant barn og unge faller i disse årene. Metode: Jeg har valgt å bruke Kvantitativt Forskningsintervju der jeg har gjort intervjuer med tre 9- åringer og tre 15- åringer i barne- og ungdomsskolen. I forkant av disse in...

  11. Åben Adoption

    DEFF Research Database (Denmark)

    Jeldtoft, Nadia

    2007-01-01

    barn adopteres, jo mere stabil og uproblematisk bliver relationen mellem barn og adoptivforældre. Samtidig peger undersøgelserne på, at adoptioner med høj grad af åbenhed og kontakt mellem barn, adoptivforældrene og de biologiske forældre fungerer bedst. Hermed rokkes ved en udbredt forestilling om......Denne rapport er en systematisk forskningsoversigt over udenlandske erfaringer med adoption i forhold til anbringelse uden for hjemmet, fx familiepleje, institutionsanbringelse og hjemgivelse til de biologiske forældre. Konklusionerne i rapporten er overraskende entydige: Adopterede børn klarer sig...

  12. PERSEPSI DAN PARTISIPASI MASYARAKAT DALAM PENGEMBANGAN LUMBUNG PANGAN DI KABUPATEN LAMPUNG BARAT

    Directory of Open Access Journals (Sweden)

    . Kholik

    2012-03-01

    Full Text Available 800x600 Normal 0 false false false IN X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";} Community’s perception and participation is necessary to be noticed in the effort of developing food barn in rural area. The objective of this study were to: 1 analyze community’s perception about food barn in Lampung Barat District, 2 inventory factors that influence community’s participation in developing food barn in Lampung Barat District, 3 formulate model and strategy in developing participative food barn to reach food security in Lampung Barat District. This research was conducted by using cross sectional design and descriptive analysis approach. The location was chosen by using purposive sampling which were in Tribudi Syukur Village, Sumberjaya Subdistrict and Buay Nyerupa Village,  Sukau Subdistrict. The selection was based on consideration that these villages has different implementation performance of food barn according to the assessment from Food Crops and Horticulture Office in Lampung Barat District. The result of the research shows that the community’s perception category, represented by farmer as sample, based on total perception variable score between Tribudi Syukur and Buay Nyerupa, is different. The general condition of the community (like age, education level, income, etc. do not have correlation with its perception about food barn. The community’s participation in food barn category, represented by farmer as sample, based on total participation variable score between Tribudi Syukur and Buay Nyerupa, is also different. There is

  13. Pathways to Freedom: Winning the Fight against Tobacco

    Science.gov (United States)

    ... return to smoking after being quit. Happiness, boredom, loneliness, and even being around people who are smoking ... Committee. First Edition: James Barnes, Jr., Rita Butler, Russell Fletcher, Jr., Sister Patricia Haley, Vivian Hughes, Ulysses ...

  14. Narnia 1300 aastat hiljem / Timo Diener

    Index Scriptorium Estoniae

    Diener, Timo

    2008-01-01

    Mängufilm "Narnia lood : prints Caspian" ("The Chronicles of Narnia : Prince Caspian") C.S. Lewise muinasjutu ainetel : peaosas Ben Barnes : režissöör Andrew Adamson : Ameerika Ühendriigid - Suurbritannia 2008

  15. Naisteromaanide uimarohi / Ilona Martson, Kristi Pärn

    Index Scriptorium Estoniae

    Martson, Ilona, 1970-

    1997-01-01

    Atwood, Margaret. Röövelpruut; Austen, Jane. Veenmine; Sheldon, Sidney. Veresidemed; Ondaatje, Michael. Inglise patsient; Lind, Hera. Kahe mehe vahel; Simmel, Johannes Mario. Vastust teab vaid tuul; Gaskin, Catherine. Fiona; Gaskin, Catherine. Perekonnaasjad; Barne, John. Evita

  16. Chemistry for Kids.

    Science.gov (United States)

    Smith, Patricia J., Ed.

    1986-01-01

    Andy S. W. Sae shows how to stimulate interest in science by using a chemical magic show for teaching at the pre-high school level. Richard D. Barnes describes Kinderchem, a visiting science program for the elementary classroom. (JN)

  17. Moekunstniku katsetused kinolinal / Anna-Liisa Soomann

    Index Scriptorium Estoniae

    Soomann, Anna-Liisa

    2007-01-01

    Taani moekunstniku Mads Nırgaardi filmidebüüt Kopenhaageni moenädalal. Film tutvustab kunstniku moekollektsiooni, kaasa teevad taani supermodellid Freja Beha ja Eddie Merz, muusika DJ Djuna Barnes'ilt

  18. DHEA-sulfate test

    Science.gov (United States)

    ... 154. Rosenfield RL, Barnes RB, Ehrmann DA. Hyperandrogenism, hirsutism, and polycystic ovary syndrome. In: Jameson JL, De ... any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should ...

  19. 76 FR 67402 - Performance Review Board Appointments

    Science.gov (United States)

    2011-11-01

    ..., Douglas; Barnes, Rex; Coale, Dana; Earnest, Darryl; Epstein, Robert; Keeney, Robert; King, Ellen; McEvoy..., C. Wayne; Hubbs, Michael; Jordan, Leonard; Kramer, Anthony; Kunze, Stephen; Lawrence, Douglas..., Sevin; Gibson, Paul; Hammond, Andrew; Hefferan, Colien; Kappes, Steven; King, Jr., Edgar;...

  20. OPTIMAL PARTITIONS OF DATA IN HIGHER DIMENSIONS

    Data.gov (United States)

    National Aeronautics and Space Administration — OPTIMAL PARTITIONS OF DATA IN HIGHER DIMENSIONS BRADLEY W. JACKSON*, JEFFREY D. SCARGLE, AND CHRIS CUSANZA, DAVID BARNES, DENNIS KANYGIN, RUSSELL SARMIENTO, SOWMYA...

  1. Bilateral zeta functions and their applications

    CERN Document Server

    Shibukawa, Genki

    2011-01-01

    We introduce a new type of multiple zeta functions, which we call bilateral zeta functions, analogous to the Barnes zeta functions. The bilateral zeta function is a periodic function and shares certain basic properties of Barnes zeta function. Especially, we prove that the bilateral zeta function has a nice Fourier series expansion and the Barnes zeta function can be expressed as a finite sum of bilateral zeta functions. By these properties of the bilateral zeta functions, We obtain simple proofs of some formulas, for example the reflection formula for the multiple gamma function, the inversion formula of the Dedekind eta function, Ramanujan's formula, Fourier expansion of the Barnes zeta function and multiple Iseki's formula.

  2. A quest for new physics inside the neutron

    CERN Document Server

    Kerbikov, B O

    2016-01-01

    The lecture presents an overview of the quest for the new physics in low energy neutron phenomena. In addition to the traditional topics the quantum damping of $n$ $\\bar{n}$ oscillations is discussed.

  3. 77 FR 29207 - Airworthiness Directives; Airbus Airplanes

    Science.gov (United States)

    2012-05-17

    ... Barnes stated he supports efforts to ensure airline safety and the NPRM (76 FR 77934, December 15, 2011... mechanics if seals are installed without removing the ACTs due to inadequate ventilation and...

  4. 78 FR 17429 - National Register of Historic Places; Notification of Pending Nominations and Related Actions

    Science.gov (United States)

    2013-03-21

    ..., 13000145 INDIANA Marion County Old Lawrence Town Hall, 4510 Franklin Rd., Lawrence, 13000146 IOWA Dubuque..., Barn, (Agriculture-Related Resources of Kansas MPS) 200th Ave. & M Rd., Penokee, 13000149 Logan...

  5. On Ruby's solid angle formula and some of its generalizations

    CERN Document Server

    Friot, Samuel

    2014-01-01

    Using the Mellin-Barnes representation, we show that Ruby's solid angle formula and some of its generalizations may be expressed in a compact way in terms of the Appell F4 and Lauricella Fc functions.

  6. Biology of Immunomodulators

    Science.gov (United States)

    1990-05-01

    I.J., Raz, A., Fogler , W.E., Kirsh, R., Bugeiski, P. and Poste, G. Cancer Res. 40:4460, 1980. 11. Fidler, I.J., Barnes, Z., Fogler , W.E., Kirsh, R...Fidler, I.J., Sone, S., Fogler , W.E. and Barnes, Z.L. Proc. Natl. Acad. Sci. USA 78:1680, 1981. 19. Sone, D. and Fidler, I.J. Cellular Immunol. 57:42, 1981

  7. Novel Approaches for Targeting Antiviral Agents in the Treatment of Arena-, Bunya-, Flavi-, and Retroviral

    Science.gov (United States)

    1990-06-01

    Fidler, I.J., Raz, A., Fogler , W.E., Kirsh, R., Bugeiski, P. and Poste, G. Cancer Res. 40:4460, 1980. 26. Fidler, I.J., Barnes, Z., Fogler , W.E., Kirsh...Fidler, I.J., Sone, S., Fogler , W.E. and Barnes, Z.L. Proc. Nati. Acad. Sci. USA 78:1680, 1981. 34. Sane, D. and Fidler, I.J. Cellular lInmunal. 57:42

  8. Multiple Twisted -Euler Numbers and Polynomials Associated with -Adic -Integrals

    Directory of Open Access Journals (Sweden)

    Jang Lee-Chae

    2008-01-01

    Full Text Available By using -adic -integrals on , we define multiple twisted -Euler numbers and polynomials. We also find Witt's type formula for multiple twisted -Euler numbers and discuss some characterizations of multiple twisted -Euler Zeta functions. In particular, we construct multiple twisted Barnes' type -Euler polynomials and multiple twisted Barnes' type -Euler Zeta functions. Finally, we define multiple twisted Dirichlet's type -Euler numbers and polynomials, and give Witt's type formula for them.

  9. Forlengede sugevaner

    DEFF Research Database (Denmark)

    Bolldén, Annelie Kristina; Berger, Siri Brandtsegg; Sonnesen, Liselotte

    2013-01-01

    Forlengede sugevaner: rådgivning av barn og foreldre for å hindre okklusjonsavvik En initiell ikke-ernærende sugevane på tommel eller smokk oppstår som følge av en primitiv refleks og forekommer ofte hos små barn. Hvis en ikke-ernærende sugevane persisterer utover treårsalderen, er den definert s...

  10. Environmental Assessment for Routine and Recurring Unmanned Aerial Vehicle Flight Operations at Edwards Air Force Base, California

    Science.gov (United States)

    2006-11-01

    Environmental Impact Report for the West Mojave Plan. U.S. Department of the Interior, 8 BLM California Desert District Office, Moreno Valley...Amphispiza belli), barn owl (Tyto alba ), house finch (Carpodacus mexicanus), and western meadowlark (Sturnella neglecta). Joshua tree woodlands...associated with aquatic habitats. Barn owls (Tyto alba ) are known to inhabit buildings on the flightline. During the evening, owls feed on small rodents

  11. An Overlooked Cost for the Velvety Plumage of Owls: Entanglement in Adhesive Vegetation

    OpenAIRE

    Rodríguez, Airam; Siverio, Felipe; Barone, Rubén; Rodríguez, Beneharo; Negro, Juan J.

    2009-01-01

    We used data collected during 1995– 2007 at the only Wildlife Rehabilitation Center on Tenerife Island (Canary Islands) to quantify entangle- ment mortality of owls. At least 66 of 1,206 Long- eared (Asio otus) and 5 of 231 Barn (Tyto alba) owls admitted to the Wildlife Rehabilitation Center were en- tangled in burr bristlegrass (Setaria adhaerens). Twelve (18.2%) of the 66 Long-eared Owls died as a result of entanglement while one of five Barn Owls ...

  12. Vi ved for lidt om danske børn, der er opvokset med specifikke sprogforstyrrelser

    DEFF Research Database (Denmark)

    Jensen de Lopez, Kristine

    2008-01-01

    Et barn, der lider af sprogforstyrrelser, føler sig ofte svigtet af omverdenen. I Danmark har vi hidtil ikke haft mulighed for at hjælpe, men nu er basale redskaber under udvikling......Et barn, der lider af sprogforstyrrelser, føler sig ofte svigtet af omverdenen. I Danmark har vi hidtil ikke haft mulighed for at hjælpe, men nu er basale redskaber under udvikling...

  13. How do they manage? The development of a theory of resource-creation through a qualitative study of parents of  a severely disabled child

    DEFF Research Database (Denmark)

    Graungaard, Anette Hauskov

    Baggrund  Når forældre får et handicappet barn, står de overfor mange udfordringer og stress faktorer udover den belastning, børnefamilier oplever i almindelighed. I tidligere studier har man ofte fokuseret på de negative konsekvenser og følelser, som er en følge af at få et handicappet barn, men...

  14. AC Losses in a YBa2Cu3O7-x Coil (Postprint)

    Science.gov (United States)

    2012-02-01

    Academy of Sciences D. Aized and C.L.H. Thieme American Superconductor Corporation G.A. Levin and P.N. Barnes Mechanical Energy Conversion...Sciences) D. Aized and C.L.H. Thieme (American Superconductor Corporation) G.A. Levin and P.N. Barnes (AFRL/RZPG) 5d. PROJECT NUMBER 3145 5e. TASK...Demencik, L. Jansak, and P. Mozola Institute of Electrical Engineering, 841 04 Bratislava, Slovakia D. Aized and C. L. H. Thieme American

  15. Polychlorinated-Naphthalenes, -Biphenyls, -Dibenzo-p-dioxins, -Dibenzofurans and p,p'-DDE in Bluefin Tuna, Swordfish, Cormorants and Barn Swallows from Italy%意大利的金枪鱼、箭鱼、鸬鹚以及家燕等体内的多氯萘、多氯联苯、多氯二苯-p-二恶英、多氯二苯并呋喃以及p,p'-DDE

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    @@ 我们曾对从意大利收集的金枪鱼、箭鱼、普通鸬鹚以及家燕体内的p,p'-DDE、多氯联苯同类物(PCBs)、多氯二苯-p-二恶英(PCDDs)、多氯二苯并呋喃(PCDFs)以及多氯萘(PCNs)浓度进行过测量.

  16. Changes of tobacco leaf trichome exudates during curing under different curing regimes%不同烘烤方式烘烤过程中烟叶表面腺毛分泌物变化的研究

    Institute of Scientific and Technical Information of China (English)

    李章海; 潘文杰; 朱晓兰; 赵会纳; 高芸; 谢已书; 杨俊; 朱显灵

    2011-01-01

    Content of trichome exudates in cured leaves from four different curing barns, I. E. , traditional rod-hanging barn, rod-hanging bulk-curing barn, loose-leaf bulk curing barn, and basket-holding bulk curing barn, were analyzed by GC-MS and GC-FID method to study effect of different curing regimes on changes of tobacco leaf trichome exudates. Results showed that total content of trichome exudates in cured leaves from rod-hanging bulk-curing and loose-leaf bulk-curing barns were roughly 50% and 60% of those from traditional rod-hanging curing barn. The loss was mainly occurred during stem-drying stage. Content of trichome exudates from basket-holding bulk curing barn leaf was almost e-qual to that of traditional rod-handing curing barn leaf. It seemed that basket-holding bulk curing was one of the effective measures to reduce aroma loss caused by rod-hang bulk curing.%为研究不同烘烤方式对烘烤过程中烟叶表面腺毛分泌物含量变化与损失的影响,选择了传统普通烤房、挂竿密集烤房、散叶密集烤房和框装密集烤房等4种烤房类型,采用GC-MS定性,GC-FID定量的方法,分析烟叶表面腺毛分泌物含量.结果表明,挂竿密集烤房和散叶密集烤房烤后烟叶腺毛分泌物总量分别约为传统普通烤房的50%和60%,并且损失主要发生在于筋期.框装密集烤房烤后烟叶腺毛分泌物总量与传统普通烤房相当.因此,框装密集烤房是解决目前挂竿密集烤房烟叶香气量损失较大的有效措施之一.

  17. Resursfördelning på BUP: vilka blir patienter under en längre tid och varför?

    OpenAIRE

    Söderlund Alm, Maria

    2010-01-01

    Andelen barn som uppfyller en psykiatrisk diagnos är ca 15 % men endast 5 % har kontakt med BUP. För att belägga hur befintliga resurser inom BUP används har denna studie undersökt vilka barn mellan 5 och 15 år som blev patienter på BUP i 24 månader eller mer. Alla (n=323) nya patienter på BUP i Västerås och Sala 2006 ingick i studien. Data från intagningen erhölls avseende extrovert och introvert beteende, funktionsnivå, påverkan på familjen samt negativa livserfarenheter. Barn som behandlad...

  18. Measurement of the Np237(n,γ) cross section from 20 meV to 500 keV with a high efficiency, highly segmented 4π BaF2 detector

    Science.gov (United States)

    Esch, E.-I.; Reifarth, R.; Bond, E. M.; Bredeweg, T. A.; Couture, A.; Glover, S. E.; Greife, U.; Haight, R. C.; Hatarik, A. M.; Hatarik, R.; Jandel, M.; Kawano, T.; Mertz, A.; O'Donnell, J. M.; Rundberg, R. S.; Schwantes, J. M.; Ullmann, J. L.; Vieira, D. J.; Wilhelmy, J. B.; Wouters, J. M.

    2008-03-01

    The Np237(n,γ)Np238 cross section has been measured in the neutron energy range from 20 meV to 500 keV using the DANCE array at the Los Alamos National Laboratory. This new facility allows experiments with submilligram samples and is therefore well suited to investigate isotopes with half-lives as low as a few hundred days. In this benchmark measurement, only 0.42 mg of Np237 was sufficient to determine differential cross sections relative to the well-known resonance at 0.5 eV. The thermal cross section was measured to σ2200m/s=177±5 barn, σkT=25.3meV=167±4 barn and the resonance integral to RI=693±6 barn.

  19. Teknologisk fravalg og tilvalg av fremtidig syke og funksjonshemmede

    Directory of Open Access Journals (Sweden)

    Berge Solberg

    2008-05-01

    Full Text Available I dette nummeret av Etikk i praksis ønsker vi å fokusere på et betent problemområde, nemlig etikken rundt teknologisk fravalg og tilvalg av fremtidige syke og funksjonshemmede barn. Det handler om abort, medisinsk teknologi og valg av barn. Det kan synes som om vi står overfor nye muligheter for fravalg og tilvalg som ikke bare setter en ny debatt, men som samtidig krever en tilbakevending og nyåpning av tidligere gjennomdiskuterte spørsmål og tema. Debattene rundt «valg av barn» berører dype, eksistensielle dimensjoner ved menneskelivet. I tillegg berører det store samfunnsmessige temaer som inklusjon og menneskeverd, selvbestemmelse, abort, eugenikk og samfunnets forståelse av funksjonshemming.http://dx.doi.org/10.5324/eip.v2i1.1686

  20. FORMATION OF HYGROTHERMAL CONDITIONS IN A DEEP-LITTER BARN IN A WINTER SEASON

    Directory of Open Access Journals (Sweden)

    Paweł Sokołowski

    2016-09-01

    Full Text Available In free stall, the maintenance of animals in the deep litter, the measurements of temperature and relative humidity of indoor air, temperature and relative humidity of the outside air were conducted. Observation also covered the thermal conditions of litter and its thickness. The study covered the winter period from 1st of December to 28th of February. The study showed that during the winter there is a slight risk of unfavorable thermal conditions for dairy cattle in the barn. The analysis of the obtained results showed a significant effect of the number of animals present in the barn on thermal conditions and humidity. The increase in stocking density in the barn affects the increase of the internal temperature and relative humidity.

  1. Emission of ESBL/AmpC-producing Escherichia coli from pig fattening farms to surrounding areas.

    Science.gov (United States)

    von Salviati, Christina; Laube, Henriette; Guerra, Beatriz; Roesler, Uwe; Friese, Anika

    2015-01-30

    The presence of ESBL/AmpC-producing Escherichia coli in livestock such as pigs has been known for some time. However, to date there is little information about the transmission of these resistant bacteria between pig farms and their surroundings. Thus, the aim of this study was to explore this topic by investigating seven German pig fattening farms. Samples from outside (including ground surfaces, ambient air, slurry and digestate from biogas plants) and, in parallel, from inside the pig barns (including pig feces, dust, barn air, flies and mice feces) were examined for ESBL/AmpC-producing E. coli and selected isolates were compared by pulsed-field gel electrophoresis (PFGE) analysis. 14/17 (82.4%) slurry samples and three of four samples of digestate from biogas plants tested positive for ESBL/AmpC-producing E. coli. In the vicinity of the pig barns these resistant bacteria were detected in 14/87 (16.1%) boot swabs taken from various ground surfaces and in 2/36 (6%) ambient air samples. Inside the pig barns, 6/63 (9.5%) barn air samples and a small proportion of flies and mice feces samples were ESBL/AmpC-positive. PFGE analysis proved fecal emission as well as a possible spread via flies, as identical ESBL-E. coli isolates were detected in slurry and on fertilized fields, as well as in flies and pooled feces from inside the barn and slurry. Contaminated slurry presented the major emission source for ESBL/AmpC-producing E. coli in the pig fattening farms, but a spread via the airborne route or via different vectors also seems possible.

  2. Juvenil idiopatisk artritt – Hva en tannlege bør vite

    DEFF Research Database (Denmark)

    Kristensen, Kasper Dahl; Stoustrup, Peter Bangsgaard

    2015-01-01

    Juvenil idiopatisk artritt (barneleddgikt) er en sykdom karakterisert ved nedsatt mobilitet og leddsmerter av lengre enn seks ukers varighet hos barn under 16 år. Der finnes cirka 1000 barn i Norge med diagnosen. Affisering av kjeveleddene før ansiktsveksten opphører kan medføre craniofaciale......, symptomer, klinisk utseende, diagnostikk, behandlingsmuligheter samt andre tannlegerelevante forhold. Kjeveleddet spiller en sentral rolle for mange pasienter med juvenil idiopatisk artritt og vil bli beskrevet i større detalj....

  3. Numerical Research on Effects Upon Precipitation Forecast of Doppler-Radar Estimated Precipitation and Retrieved Wind Field Under Different Model Initial Schemes

    Institute of Scientific and Technical Information of China (English)

    WANG Yehong; ZHAO Yuchun; CUI Chunguang

    2007-01-01

    On the basis of the joint estimated 1-h precipitation from Changde, Jingzhou, and Yichang Doppler radars as well as Wuhan digital radar, and the retrieved wind fields from Yichang and Jingzhou Doppler radars, a series of numerical experiments with an advanced regional η-coordinate model (AREM) under different model initial schemes, i.e., Grapes-3DVAR, Barnes objective analysis, and Barnes-3DVAR, are carried out for a torrential rain process occurring along the Yangtze River in the 24-h period from 2000 BT 22 July 2002 to investigate the effects of the Doppler-radar estimated rainfall and retrieved winds on the rainfall forecast. The main results are as follows: (1) The simulations are obviously different under three initial schemes with the same data source (the radiosounding and T213L31 analysis). On the whole,Barnes-3DVAR, which combines the advantages of the Barnes objective analysis and the Grapes-3DVAR method, gives the best simulations: well-simulated rain band and clear mesoscale structures, as well as their location and intensity close to observations. (2) Both Barnes-3DVAR and Grapes-3DVAR schemes are able to assimilate the Doppler-radar estimated rainfall and retrieved winds, but differences in simulation results are very large, with Barnes-3DVAR's simulation much better than Grapes-3DVAR's. (3) Under Grapes3DVAR scheme, the simulation of 24-h rainfall is improved obviously when assimilating the Doppler-radar estimated precipitation into the model in compared with the control experiment; but it becomes a little worse when assimilating the Doppler-radar retrieved winds into the model, and it becomes worse obviously when assimilating the Doppler-radar estimated precipitation as well as retrieved winds into the model. However,the simulation is different under Barnes-3DVAR scheme. The simulation is improved to a certain degree no matter assimilating the estimated precipitation or retrieved winds, or both of them. The result is the best when assimilating both

  4. Flere krav til børn skaber ulighed

    DEFF Research Database (Denmark)

    Gulløv, Eva; Gilliam, Laura

    2012-01-01

    Forældre og institutioner træner børn til at blive gode sociale borgere, der er lette at omgås. Normen for det 'gode', hensyntagende barn strammes år for år, og dem, der falder udenfor, risikerer at blive tabt på gulvet.......Forældre og institutioner træner børn til at blive gode sociale borgere, der er lette at omgås. Normen for det 'gode', hensyntagende barn strammes år for år, og dem, der falder udenfor, risikerer at blive tabt på gulvet....

  5. Sound Localization Strategies in Three Predators

    DEFF Research Database (Denmark)

    Carr, Catherine E; Christensen-Dalsgaard, Jakob

    2015-01-01

    In this paper, we compare some of the neural strategies for sound localization and encoding interaural time differences (ITDs) in three predatory species of Reptilia, alligators, barn owls and geckos. Birds and crocodilians are sister groups among the extant archosaurs, while geckos are lepidosaurs....... Despite the similar organization of their auditory systems, archosaurs and lizards use different strategies for encoding the ITDs that underlie localization of sound in azimuth. Barn owls encode ITD information using a place map, which is composed of neurons serving as labeled lines tuned for preferred...

  6. Intensive Baking Room Baking on the Intensive Management%密集烤房集约化烘烤管理初议

    Institute of Scientific and Technical Information of China (English)

    马文清

    2012-01-01

      Digest Since the development and application of bulk and intensive flue curing barn from 2005, it was accepted the tobacco barn has unique advantages such as capacity-installing, cost-reducing, energy-saving and lower consumption reduction, etc. Barn in recent years has achieved rapid development in China, in particular, the implementation of Technical standard for barn (No.418 document of National Tobacco Management Department [ the barn, 2009]) has made intensive flue curing technology the leading role among the tobacco curing system in China. By the end of 2011, China has built up more than 700,000 bulk flue curing barn, in which has more than 30,000 serious curing barn and baking workshop connected with the tobacco curing work of 14,000,000 mu. Although the popularization and application of bulk and intensive flue curing barn has been rapidly recognized through the country, resulting in a large number of baking workshop’s establishing. However, the management of bulk flue curing is still an important subject to study..%  自2005年正式开始密集烤房的研发及推广应用以来,公认了密集烤房有装烟量大、减工降本、节能降耗等独特的优势,最近几年密集烤房在我国得到了迅速的发展,特别是国烟办[2009]418号《密集烤房技术标准》的实行,确立了密集烘烤在我国烟叶烘烤体系中的主体地位.到2011年,全国建造密集烤房总量达到70万座以上,其中烤房群和烘烤工场3万多处,承担烤烟面积约93.3万公顷.虽然,密集烤房的推广应用,很快在全国各个烟区得到了普遍认可,产生了一大批烘烤工场.但是,密集烤房的集约化烘烤管理还是一个重要的课题.

  7. Characterizing reduced sulfur compounds emissions from a swine concentrated animal feeding operation

    Science.gov (United States)

    Rumsey, Ian C.; Aneja, Viney P.; Lonneman, William A.

    2014-09-01

    Reduced sulfur compounds (RSCs) emissions from concentrated animal feeding operations (CAFOs) have become a potential environmental and human health concern, as a result of changes in livestock production methods. RSC emissions were determined from a swine CAFO in North Carolina. RSC measurements were made over a period of ≈1 week from both the barn and lagoon during each of the four seasonal periods from June 2007 to April 2008. During sampling, meteorological and other environmental parameters were measured continuously. Seasonal hydrogen sulfide (H2S) barn concentrations ranged from 72 to 631 ppb. Seasonal dimethyl sulfide (DMS; CH3SCH3) and dimethyl disulfide (DMDS; CH3S2CH3) concentrations were 2-3 orders of magnitude lower, ranging from 0.18 to 0.89 ppb and 0.47 to 1.02 ppb, respectively. The overall average barn emission rate was 3.3 g day-1 AU-1 (AU (animal unit) = 500 kg of live animal weight) for H2S, which was approximately two orders of magnitude higher than the DMS and DMDS overall average emissions rates, determined as 0.017 g day-1 AU-1 and 0.036 g day-1 AU-1, respectively. The overall average lagoon flux was 1.33 μg m-2 min-1 for H2S, which was approximately an order of magnitude higher than the overall average DMS (0.12 μg m-2 min-1) and DMDS (0.09 μg m-2 min-1) lagoon fluxes. The overall average lagoon emission for H2S (0.038 g day-1 AU-1) was also approximately an order of magnitude higher than the overall average DMS (0.0034 g day-1 AU-1) and DMDS (0.0028 g day-1 AU-1) emissions. H2S, DMS and DMDS have offensive odors and low odor thresholds. Over all four sampling seasons, 77% of 15 min averaged H2S barn concentrations were an order of magnitude above the average odor threshold. During these sampling periods, however, DMS and DMDS concentrations did not exceed their odor thresholds. The overall average barn and lagoon emissions from this study were used to help estimate barn, lagoon and total (barn + lagoon) RSC emissions from swine CAFOs

  8. Design and test of an artificial reference cow to simulate methane release through exhalation

    NARCIS (Netherlands)

    Wu, Liansun; Groot Koerkamp, P.W.G.; Ogink, N.W.M.

    2015-01-01

    To mitigate methane emission from dairy cows, a technique is needed to evaluate individual methane emission from a large number of cows under practical conditions in barns. For developing such a measurement technique, a known reference source that can simulate cow exhalation of methane would be a

  9. Scalability of Robotic Controllers: An Evaluation of Controller Options

    Science.gov (United States)

    2008-05-01

    Chen, Haas, & Barnes, 2007; Chen, Haas, Pillalamarri, & Jacobson, 2006; Renfro, Merlo , Duley, Gilson, & Hancock, 2007; Stafford, Jingjing, Merlo ...Hancock, 2007; Stafford, Hancock, Graham, & Merlo , 2007). This experiment is the second in a series of experiments designed to investigate current...understanding; and maximizing aerial and ground robotic mission effectiveness” ( Merlo , 2006). A similar definition is “The tailored reception and transmission

  10. How stressful is transportation?

    Science.gov (United States)

    It is common for cattle to be transported multiple times during their production life cycle. Transportation events may include calves shipped to backgrounding facilities and feed yards, as well as pregnant cows that may be transported to sale barns or relocated due to drought to access a pasture or ...

  11. Economic evaluation of stall stocking density of lactating dairy cows

    NARCIS (Netherlands)

    Vries, De Albert; Dechassa, Hailegziabher; Hogeveen, Henk

    2016-01-01

    An increase in stall stocking density (SSD), as measured by the number of lactating cows per stall in a freestall barn, reduces cow performance, such as milk yield and fertility, but may increase farm profitability. Our objectives were to calculate effects of varying SSD on profit per stall for a

  12. Validation and recovery rates of an indirect calorimetry headbox system used to measure heat production of cattle

    Science.gov (United States)

    A headbox system was constructed at the University of Nebraska-Lincoln to determine heat production from dairy cattle using indirect calorimetry. The system was designed for use in a tie-stall barn to allow the animal to be comfortable and was mounted on wheels to transport between animals between s...

  13. TEIG Locks in on Leadership

    Science.gov (United States)

    Freifeld, Lorri

    2011-01-01

    Innovation has been part of The Economical Insurance Group (TEIG) throughout its 140-year history--its first insurance policy was written on a barn in Berlin, Ontario. Today, the company continues to pursue innovation through its leaders, utilizing a variety of programs to develop the talent needed to guide the 2,500-employee organization through…

  14. Cortical Proteins are Chemokinetic to Cells from the Medial Ganglionic Eminence

    Science.gov (United States)

    2011-05-28

    et al., 2009). Disruption of interneuron migration can lead to improper distribution within the cortex and is associated with schizophrenia, autism ...migration of GE cells for better understanding embryonic cortical development and the pathogenesis of certain human cortical dysplasias. The...Barnes GN (Decreased number of interneurons and increased seizures in neuropilin 2 deficient mice: implications for autism and epilepsy. Epilepsia

  15. The Psychological Reality of Grammar : the Theta Principle in Parsing Performance

    NARCIS (Netherlands)

    Sadeh-Leicht, O.

    2007-01-01

    This dissertation presents evidence for the psychological reality of a grammatical principle, the Theta Principle. It adopts a grammar-derived theory of human natural language processing ? the thematic parser. Parsing phenomena such as garden path effects (The horse raced past the barn fell) and cen

  16. Lessons Learned: Creating an Online Business Degree from a Successful On-Campus Business Degree

    Science.gov (United States)

    Cordeiro, William P.; Muraoka, Dennis

    2015-01-01

    The horse has left the barn. Distance education is here to stay and the number of degree programs offered online is growing rapidly. California State University Channel Islands (CI) admitted its first students in 2002, and the undergraduate and graduate degrees in business were among its first program offerings. From its inception, the…

  17. Eyesores in sight: Quantifying the impact of man-made elements on the scenic beauty of Dutch landscapes

    NARCIS (Netherlands)

    Vries, de S.; Groot, de M.; Boers, J.

    2012-01-01

    The numerous man-made elements being introduced into the countryside raises the question of how negative impacts on scenic beauty can be minimized. This study investigates the visual impact of wind turbines, business parks and agricultural buildings (barns) on scenic beauty, taking into account thei

  18. 76 FR 43613 - Proposed Amendment of Class E Airspace; Valley City, ND

    Science.gov (United States)

    2011-07-21

    ...; (2) is not a ``significant rule'' under DOT Regulatory Policies and Procedures (44 FR 11034; February.... 106(g); 40103, 40113, 40120; E.O. 10854, 24 FR 9565, 3 CFR, 1959-1963 Comp., p. 389. Sec. 71.1 2. The... non-directional beacon (NDB) at Barnes County Municipal Airport, Valley City, ND, has made this...

  19. 78 FR 65523 - Farm Loan Programs; Clarification and Improvement

    Science.gov (United States)

    2013-11-01

    ... for Non-Farm Property Comment: FSA should include unused agriculture property, such as milk barns, a... significant impact on the quality of the human environment either individually or cumulatively. The...--agriculture, Rural areas. 7 CFR Part 762 Agriculture, Banks, Banking, Credit, Loan programs--agriculture....

  20. Sprogvurdering.dk

    DEFF Research Database (Denmark)

    Jensen, Kasper Østerholdt; Jørgensen, Rune Nørgaard; Bleses, Dorthe

    2009-01-01

    Elektronisk registrering af sprogvurderinger landet over åbner for spændende perspektiver for praksis og forskning. For den logopædiske praksis giver Sprogvurdering.dk mulighed for lettilgængeligt overblik og indblik i sprogvurderingsindsatsen i forhold til kommune, dagtilbud og det enkelte barn....

  1. Fra "en rigtig pige" til "en gravid mand"

    DEFF Research Database (Denmark)

    Heede, Dag

    2012-01-01

    Nedslag i to eksempler på "transreproduktion": Lili Elbe, en transkvinde, der i 1931 døde efter en række kønsskifteoperationer og Thomas Beatie, en transmand, der i 2008 fødte et barn udgav en bog om det....

  2. "Ma ei usu Jumalasse, kuid tunnen temast puudust" / Urmas Petti

    Index Scriptorium Estoniae

    Petti, Urmas, 1965-

    2013-01-01

    Ameerika õigusfilosoofi Ronald Dworkini "jumalatu religiooni" kontseptsioonist; pealkiri on inglise kirjaniku Julin Barnes'i tsitaat, millest sai Šveitsi ajalehe Der Bund esseekonkursi teema aastal 2011; autor tsiteerb veel Mihkel Kunnust (Humanismi õnnetusi, Sirp, 6. aug. 2010), Torgny Lindgren ja Jeanette Wintersoni

  3. On Plasma Theory and Simulation.

    Science.gov (United States)

    2014-09-26

    SHEATH REGION INCLUDING ION REFLECTION Lou Ann Schwager (Prof. C. K. Birdsall, Dr. I. Roth ) A low temperature plasma interacts with a collector plate...Hitchcock. Katz. Lankford. Nelson. Barnes. Borovsky. Forslund. Kwan. Sadowski Lindemuth. Mason . Mostrom. Nielson, Oliphant. Sgro. Thode Department of

  4. Hvem vandt 1.verdenskrig?

    DEFF Research Database (Denmark)

    Sodemann, Morten

    2008-01-01

    sygelighed og dødelighed i komplekse katastrofer inkluderer beskyttelse mod vold og overgreb, sikring af fødevarer,  vaccinations-kampagner, muligheder for håndvask, diarrékontrol, mor-barn sundhed og korrekt behandling af de hyppigste infektioner. Krige skaber flygtninge, og mobile befolkningsgrupper er...

  5. Hvem vandt 1. Verdenskrig? - Krige, katastrofer og epidemier har altid hjulpet hinanden

    DEFF Research Database (Denmark)

    Sodemann, Morten

    2008-01-01

    sygelighed og dødelighed i komplekse katastrofer inkluderer beskyttelse mod vold og overgreb, sikring af fødevarer, vaccinationskampagner, muligheder for håndvask, diarrékontrol, mor-barn sundhed og korrekt behandling af de hyppigste infektioner. Krige skaber flygtninge, og mobile befolkningsgrupper er...

  6. Cafe Society: Do School Libraries Need a Double Shot of Espresso?

    Science.gov (United States)

    Whelan, Debra Lau

    2008-01-01

    When Jim Chadwell, the former principal of Northwest High School in Texas, renovated his media center four years ago, he had two things in mind: Starbucks and Barnes & Noble. According to Media Specialist Naomi Bates, Chadwell wanted a place where students could read, do research, and work on classroom assignments, but also socialize. That is…

  7. Effect of management on prevention of Salmonella Dublin exposure of calves during a one-year control programme in 84 Danish dairy herds

    DEFF Research Database (Denmark)

    Nielsen, Torben Dahl; Vesterbæk, I L; Kudahl, A B;

    2012-01-01

    by solid walls rather than bars and not introducing biosecurity routines between the barn sections (e.g. boot wash, change of clothing) were associated with increased probability of successful control in the logistic analysis. The latter may seem illogical, but may be explained by successful herds already...

  8. Model Predictive Control of the Hybrid Ventilation for Livestock

    DEFF Research Database (Denmark)

    Wu, Zhuang; Stoustrup, Jakob; Trangbæk, Klaus;

    2006-01-01

    In this paper, design and simulation results of Model Predictive Control (MPC) strategy for livestock hybrid ventilation systems and associated indoor climate through variable valve openings and exhaust fans are presented. The design is based on thermal comfort parameters for poultry in barns...

  9. The Temporal Dynamics of Terrestrial Organic Matter Transfer to the Oceans: Initial Assessment and Application

    Science.gov (United States)

    2007-06-01

    water depth) were retrieved by a six- barreled multicorer during a cruise aboard the RN Hermano Gines in May 2004 (Figure 4.2). Cores were immediately...elemental analyses, and the crews of the R/V Clifford Barnes and R/V Hermano Gines are acknowledged for their help in retrieving sediment cores from the

  10. Air and Space Power Journal. Volume 23, Number 3, Fall 2009

    Science.gov (United States)

    2009-01-01

    Darren K. Stanford Deputy Chief, Professional Journals Capt Lori Katowich Professional Staff Marvin W. Bassett, Contributing Editor Darlene H...Gunter Annex), Arnold (TN), Charleston (SC), Shaw (SC), Pope (NC), and Seymour Johnson (NC). 15. The adduced states include Maine, New Hampshire...Deputy Chief, Professional Journals Capt Lori Katowich Professional Staff Marvin W. Bassett, Contributing Editor Darlene H. Barnes, Editorial Assistant

  11. Meson-Meson Scattering in Relativistic Constraint Dynamics

    CERN Document Server

    Crater, H W; Crater, Horace W.

    2004-01-01

    Dirac's relativistic constraint dynamics have been successfully applied to obtain a covariant nonperturbative description of QED and QCD bound states. We use this formalism to describe a microscopic theory of meson-meson scattering as a relativistic generalization of the nonrelativistic quark-interchange model developed by Barnes and Swanson.

  12. Spin Chains and Gustafson's Integrals

    CERN Document Server

    Derkachov, S E

    2016-01-01

    The Gustafson's integrals are the multidimensional generalization of the classical Mellin--Barnes integrals. We show that some of these integrals arise from relations between matrix elements in the Sklyanin's representation of Separated Variables in the spin chain models. We also present several new integrals.

  13. Evaluating Superconducting YBCO Film Properties Using X-Ray Photoelectron Spectroscopy (Postprint)

    Science.gov (United States)

    2012-02-01

    AFRL-RZ-WP-TP-2012-0093 EVALUATING SUPERCONDUCTING YBCO FILM PROPERTIES USING X-RAY PHOTOELECTRON SPECTROSCOPY (POSTPRINT) Paul N. Barnes...2012 Conference Paper Postprint 01 January 2002 – 01 January 2004 4. TITLE AND SUBTITLE EVALUATING SUPERCONDUCTING YBCO FILM PROPERTIES USING X-RAY

  14. Proceedings: Army Medical Department Service Psychology Symposium Held at El Paso, Texas on 13-17 November 1978

    Science.gov (United States)

    1978-11-01

    games. In his last book, What do Zou say after you say hello? (1973), the for- mal definition of a game was clarified and the Karpman drama triangle ...manuscript, in Barnes, G., Ed., Transactionml Analysis after Eric Berne, New York: Harper’s College Press, 1977. Karpman , S.B. Fairy tales and script

  15. Language, the Learner and the School. Penguin Papers in Education.

    Science.gov (United States)

    Barnes, Douglas

    This book is concerned with language as it is used by the teacher, as it affects the learner, and as it can function to integrate the curriculum. Douglas Barnes, in "Language in the Secondary Classroom," discusses the student-teacher language interaction in 12 sample lessons, and analyzes the importance upon student learning of the languages used…

  16. 向老师问路(六十三)——电子书之战

    Institute of Scientific and Technical Information of China (English)

    吕理哲

    2009-01-01

    @@ 继Sony与Amazon之后,全美最大实体零售书店Barnes and Noble推出了自己品牌的电子阅读器,取名叫Nook,同时表明与Amazon的Kindle阅读器一对一竞争,有人预估大战就要爆发.

  17. A strategy for the off-shell analysis of collinear singularities in Feynman diagrams

    CERN Document Server

    Repetto, Alessandra

    2011-01-01

    In my PHD thesis I present a method for the off-shell singularity analysis of Feynman amplitudes based on the Speer sector decomposition of the Schwinger parametric integrals combined with the Mellin-Barnes tranform. I apply the method to one-loop corrections to Deep Inelastic Scattering.

  18. 75 FR 21353 - Notice of Determinations Regarding Eligibility To Apply for Worker Adjustment Assistance

    Science.gov (United States)

    2010-04-23

    ... International, Office Team/Robert Half and Volt Staffing, White Bear Lake, MN, October 6, 2008 TA-W-72,529...-71,038: General Pattern Company, Ham Lake, MN TA-W-71,074: American Roller Bearing & Manufacturing Co...: Legacy, Inc., Winston-Salem, NC TA-W-72,788: Barnes Aerospace, Inc., Ceramics Division, Windsor, CT...

  19. Transmission through air as a possible route of exposure for MRSA

    NARCIS (Netherlands)

    Bos, Marian E.H.; Verstappen, Koen M.; Cleef, Van Brigitte A.G.L.; Dohmen, Wietske; Dorado-García, Alejandro; Graveland, Haitske; Duim, Birgitta; Wagenaar, Jaap A.; Kluytmans, Jan A.J.W.; Heederik, Dick J.J.

    2016-01-01

    Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) is highly prevalent in pigs and veal calves. The environment and air in pig and veal calf barns is often contaminated with LA-MRSA, and can act as a transmission source for humans. This study explores exposure-response rel

  20. Gordon Conference on Microbial Adhesion

    Science.gov (United States)

    1988-07-01

    Sweden Al fa-Laval, Sweden Eli Lilly Monsanto Barnes-Hind Labs Bristol -Myers Pfizer Gillette Following the conference, many positive comments were...clays and metals: R. Mitchell, discussion leader -’S- F. Dazzo, Attachment of Rhizobium trifolii to 9:00-9:45 a.m. white clover root hairs. E. Bayer

  1. The effect of yeast cell wall supplementation on the physiological and acute phase responses of crossbred heifers to endotoxin challenge

    Science.gov (United States)

    A study was conducted to determine the effect of feeding yeast cell wall (YCW) products on the physiological and acute phase responses of crossbred newly-received heifers to endotoxin (lipopolysaccharide; LPS) challenge. Heifers (n=24; 218.9+/-2.4 kg) were obtained from commercial sale barns and tra...

  2. Dehydrated citrus pulp alters feedlot performance of crossbred heifers during the receiving period and modulates serum metabolite concentrations pre- and post-endotoxin challenge

    Science.gov (United States)

    English x Continental heifers (n=180) were sourced in two loads (188.7 ± 18.0 kilograms and 225.2 ± 22.2 kilograms body weight, respectively) from commercial auction barns to study the effects of feeding dehydrated citrus pulp (DCP) on feedlot performance of newly received heifers. A completely ran...

  3. The effect of yeast cell wall supplementation on the metabolic responses of crossbred heifers to endotoxin challenge

    Science.gov (United States)

    This study examined the effect of feeding yeast cell wall (YCW) products on the metabolic responses of newly-received heifers to endotoxin (lipopolysaccharide; LPS) challenge. Heifers (n=24; 218.9±2.4 kg) were obtained from commercial sale barns and transported to the Texas Tech University Beef Cent...

  4. Dried citrus pulp modulates the physiological and acute phase responses of crossbred heifers to an endotoxin challenge

    Science.gov (United States)

    This study examined the effect of feeding dried citrus pulp (CP) pellets on the physiological and acute phase responses (APR) of newly-received crossbred heifers to an endotoxin (lipopolysaccharide; LPS) challenge. Heifers (n=24; 218.3±2.4 kg) were obtained from commercial sale barns and transported...

  5. Global dimensions for Lie groups at level k and their conformally exceptional quantum subgroups

    CERN Document Server

    Coquereaux, Robert

    2010-01-01

    We obtain formulae giving global dimensions for fusion categories defined by Lie groups G at level k and for the associated module-categories obtained via conformal embeddings. The results can be expressed in terms of Lie quantum superfactorials of type G. The later are related, for the type Ar, to the quantum Barnes function.

  6. Cementitious Mixtures for Sealing Evaporite and Clastic Rocks in a Radioactive-Waste Repository.

    Science.gov (United States)

    1985-09-01

    on other materials (Struble, Skalny, and Mindess 1980; Barnes, Diamond, and Dolch 1978). Images of chloride distribution show concentrations of...Waste Management, US Department of Energy, Washington, DC. Struble, L., Skalny, L., and Mindess , S. 1980. Cement and Concrete Research, Vol 10, pp

  7. Calculation of massive 2-loop operator matrix elements with outer gluon lines

    Energy Technology Data Exchange (ETDEWEB)

    Bierenbaum, I.; Bluemlein, J.; Klein, S.

    2007-02-15

    Massive on-shell operator matrix elements and self-energy diagrams with outer gluon lines are calculated analytically at O({alpha}{sup 2}{sub s}), using Mellin-Barnes integrals and representations through generalized hypergeometric functions. This method allows for a direct evaluation without decomposing the integrals using the integration-by-parts method. (orig.)

  8. Defense Headquarters: DOD Needs to Reassess Personnel Requirements for the Office of Secretary of Defense, Joint Staff, and Military Service Secretariats

    Science.gov (United States)

    2015-01-01

    requirements as part of the effort to identify efficiencies as directed by former Secretary of Defense Robert Gates in 2010, as part of the OSD...Director), Tracy Barnes, Gabrielle A. Carrington, Neil Feldman , David Keefer, Carol D. Petersen, Bethann E. Ritter Snyder, Michael Silver, Amie Steele

  9. Correcting the Response of an Albedo Neutron Dosimeter for Energy

    Science.gov (United States)

    2007-01-01

    Radiat. Prot. Dosim. V19 #2. Gauch, H.G. Jr., 1993. “Prediction Parsimony and Noise,” American Scientist 81 468-478. Glickstein, S.S., 1981...Analysis,” American Scientist 80 64-72. Johnson, J.O., J.D. Drischler, J.M. Barnes, 1991. Analysis of the Fall-1989 Two-Meter Box Test- Bed

  10. ONE TECHNOLOGY - TWO TYPES OF PROTECTION

    Directory of Open Access Journals (Sweden)

    A. Glinushkin

    2012-03-01

    Full Text Available Pests of the order Lepidoptera - South barn and Grain moth moth - one of the most dangerous pests of grain mass. The data obtained show that the technology (seed disinfectants and quality of spring wheat affects the damage Plodia interpunctella Hb. and Sitotroga cerealella Oliv.

  11. Zeta Regularized Product Expressions for Multiple Trigonometric Functions

    OpenAIRE

    Kurokawa, Nobushige; Wakayama, Masato

    2004-01-01

    We introduce a multiple analogue of the gamma function which differs from the one defined by Barnes [B]. Using this function, we give expressions of the multiple sine and cosine functions in terms of zeta regularized products. The expression of the multiple sine function can be interpreted as a reflection formula of this new multiple analogue of the gamma function.

  12. Navy Recruit’s Expectations of Productivity, Liking, and Intentions to Quit under Different Supervisors.

    Science.gov (United States)

    1983-11-01

    1977, 3, 143-158 (b). Triandis, H. C. Influencias culturales en el comportamiento social. Inter- american Journal of Psychology, 1981, 1 5, 1-28...Barnes-Farrell Dr. J. Richard Heaman Department of Psychology School of Organizacion University of Hawaii and Management 2430 Campus Road Box 1A, Yale

  13. Accurate Methods for Large Molecular Systems (Preprint)

    Science.gov (United States)

    2009-01-06

    Phys. 2006, 125, 104011. (c) ROCBS- QB3 : Wood, G. P. F. ; Random, L. ; Petersson, G. A. ; Barnes, E. C.; Frisch, M. J.; Montgomery, J. A. J. Chem... QB3 : Montgomery, J. A.; Frisch, M. J.; Ochterski, J. W.; Petersson, G. A. J. Chem. Phys. 1999, 110, 2822. (f) SAC: Gordon, M.; Truhlar, D. G. J. Am

  14. How to get the most from your Nook

    CERN Document Server

    Bischoff, Adrienne

    2011-01-01

    From the best deals to hidden secrets, this eBook explores the perks and tricks of your favorite eReader! Adrienne Bischoff offers a users road-map for the Nook device, including where to find the best deals on devices and accessories, and hidden hacks you never knew your Barnes & Noble device could do.

  15. Fertilizer value of nitrogen captured using ammonia scrubbers attached to animal production facilities

    Science.gov (United States)

    Over half of the nitrogen (N) excreted from broiler chickens is lost to the atmosphere before the manure is removed from the barns, resulting in air and water pollution and the loss of a valuable fertilizer resource. The objective of this study was to determine the fertilizer efficiency of N, which...

  16. Final Oahe Dam/Lake Oahe Master Plan Missouri River, South Dakota and North Dakota

    Science.gov (United States)

    2010-09-01

    of shoreline, more shoreline than the State of California . At its maximum operating pool elevation of 1620 feet m.s.l., the storage capacity of...by buffalograss (Bouteloua dactyloides), grama (Bouteloua spp.), wheatgrass (Agropyron spp.), needlegrass (Stipa spp.), and wildflowers such as...American woodcock (Scolopax minor), California gull (Larus californicus), black tern (Chlidonias niger), barn owl (Tyto alba), burrowing owl, long

  17. Classic Religious Books for Children: An Annotated Bibliography.

    Science.gov (United States)

    Campbell, Carol, Comp.

    This annotated bibliography of religious books for children contains approximately 450 books, one-fifth of which are Judaic. The books' current availability has been verified using Web sites such as those of individual publishers, the Library of Congress, Amazon.com, or Barnes&Noble.com. New subject headings have been added, such as Kwanza,…

  18. NDIR gas sensor for spatial monitoring of carbon dioxide concentrations in naturally ventilated livestock buildings

    NARCIS (Netherlands)

    Mendes, L.B.; Ogink, N.W.M.; Edouard, Nadège; Dooren, van H.J.C.; Tinoco, I.; Mosquera, Julio

    2015-01-01

    The tracer gas ratio method, using CO2 as natural tracer, has been suggested as a pragmatic option to measure emissions from naturally ventilated (NV) barns without the need to directly estimate the ventilation rate. The aim of this research was to assess the performance of a low-cost

  19. Et kulturhistorisk blik på motivation, identitet og læring

    DEFF Research Database (Denmark)

    Bunzendahl, Volker

    2009-01-01

    Kapitlet er en indføring i Lev S. Vygotsky og hans kulturhistoriske teori, hvor læseren præsenteres for nogle centrale pointer, metoder og begreber, samt Vygotskys vision for faget psykologi. Samspil (leg, undervisning, arbejde) mellem mennesker, mellem mor og barn, mellem lærer og elev, mellem...

  20. A Model of Medical Countermeasures for Organophosphates

    Science.gov (United States)

    2015-10-01

    atmosphere (normal) bar barn British thermal unit (thermochemical) calorie (thermochemical) cal (thermochemical/cm ) curie degree (angle) degree...signs of atropinisation appeared ( dilated pupils and elevated heart rate). The second group of 15 patients were given atropine intermittently and 2

  1. Effects of marketing group and production focus on quality and variability of adipose tissue and bellies sourced from a commercial processing facility

    Science.gov (United States)

    Objectives were to determine the effects of marketing group on quality and variability of belly and adipose tissue quality traits of pigs sourced from differing production focuses (lean vs. quality). Pigs (N = 8,042) raised in 8 barns representing 2 seasons (cold and hot) were used. Three groups wer...

  2. Effects of marketing group on the variability of fresh loin, belly, and fresh and processed ham quality from pigs sourced from a commercial processing facility

    Science.gov (United States)

    The objective was to quantify the effect of marketing group (MG) on the variability of primal quality. Pigs (N=7,684) were slaughtered in 3 MGs from 8 barns. Pigs were from genetic selection programs focused on lean growth (L; group 1 n=1,131; group 2 n=1,466; group 3 n=1,030) or superior meat qua...

  3. Effects of marketing group on the quality of fresh and cured hams sourced from a commercial processing facility

    Science.gov (United States)

    The objective was: 1) to characterize the effect of marketing 30 group on fresh and cured ham quality, and 2) to determine which fresh ham traits correlated to cured ham quality traits. Pigs raised in 8 barns representing two seasons (hot and cold) and two production focuses (lean and quality) were ...

  4. The Militarization of the Prairie: Scrap Drives, Metaphors, and the "Omaha World-Herald's" 1942 "Nebraska Plan"

    Science.gov (United States)

    Kimble, James J.

    2007-01-01

    In WW II, there was no nationwide shortage of scrap on the home front. In backyards, attics, barns, ditches, garages, and factory storage sheds across the country, all sorts of scrap material awaited transport and eventual conversion to arms. Yet the public's awareness of the scrap, and the national willpower necessary to collect it, seemed to be…

  5. Use of indoor boars as models for understanding seasonal infertility: Preliminary data

    Science.gov (United States)

    This study was conducted to evaluate the potential impacts of external temperature and relative humidity (RH) variations on semen production of boars maintained in thermo-regulated barns (indoor housing). Data were collected from a local commercial hog operation. Temperature and relative humidity (R...

  6. Usage based language acquisition in the Danish crèche

    DEFF Research Database (Denmark)

    Hansen, Ole Henrik

    2010-01-01

    Forskning i det lille barns sprogtilegnelse i den danske vuggestue må tage højde for diverse sprogsyn og videnskabelige grundsyn, for at kunne udtrykke noget validt om barnets første sprog....

  7. Ammonia and hydrogen sulfide concentration and emission patterns for mono-slope beef cattle facilities in the Northern Great Plains

    Science.gov (United States)

    Mono-slope buildings are one type of roofed and confined cattle feeding facility that is becoming increasingly popular in the Northern Great Plains. In response to questions and concerns about the barn environment and air quality regulations, the objectives of this study were to determine gas concen...

  8. Dyp tæerne i skriftsproget!

    DEFF Research Database (Denmark)

    Korsgaard, Klara Aalbæk

    2012-01-01

    I denne bog argumenterer forskere og erfarne praktikere for, hvorfor det lille barn bør inviteres til at udforske og kommunikere via skriftsproget. Der bliver også lagt vægt på, hvordan skrivning kan indgå i børnehaven på en legende og støttende måde....

  9. STAT5A Regulates the Survival of Mammary Epithelial Cells and the Development of Mammary Cancer

    Science.gov (United States)

    2002-07-01

    Western Blot Recycling Kit according to the manufacturer’s protocol (a AQ: J Pierce Chemical Co. (Rockford, IL). Diagnostic, San Antonio , TX). Blots...Peters G, Lu X and Barnes DM. (1999). Bonilla M, Ramirez M, Lopez- Cueto J and Gariglio P. J. Pathol., 187, 200-206. (1988). J. Nati. Cancer Inst., 80

  10. Ecological and economic evaluation of Dutch egg production systems.

    NARCIS (Netherlands)

    Dekker, S.E.M.; Boer, de I.J.M.; Vermeij, I.; Aarnink, A.J.A.; Groot Koerkamp, P.W.G.

    2011-01-01

    The upcoming ban on battery cages in the European Union is expected to cause a shift in husbandry systems from predominantly battery cages to enriched cages and loose housing systems, such as barn, free range and organic systems. To gain insight into ecological and economic consequences of such a ba

  11. Soviet Strategic Airlift and Power Projection

    Science.gov (United States)

    1980-06-06

    Doder and Jay Ross, "Soviets, Cuba Double Ethiopia Force," Washington Post, 17 December 1977, p. Al; "Soviet Arms Airlift to Ethio- pia Violates Air...Bernard. Kissinger. Boston: Little, Brown and Co., Inc., 1974. Kirchner, Walther. History of Russia. New York: Barnes and Noble, Inc., 1963. 84 Lee, Asher

  12. Historien er ikke slut

    DEFF Research Database (Denmark)

    Thurah, Thomas

    Interviews med 36 europæiske forfattere og med korte introduktioner til forfatterskaberne: Vasilij Aksjonov, Martin Amis, Julian Barnes, Camilo José Cela, Hugo Claus, Kerstin Ekman, Per Olov Enquist, Hans Magnus Enzensberger, Péter Esterházy, Kjartan Fløgstad, Günter Grass, Einar Már Gudmundsson...

  13. The difficult encounter between inspector and farmer

    DEFF Research Database (Denmark)

    Anneberg, Inger; Sørensen, Jan Tind; Vaarst, Mette

    2012-01-01

    When the inspector drives into the farmyard and asks to see the animal barns to inspect the welfare of the animals, a tense situation may arise because inspections transcend limits and are complex and difficult for many farmers to relate to. A new research project is examining the interaction...... between authorities and farmers....

  14. The Navigation Data Logger for a Suitcase Navigation System

    Science.gov (United States)

    1991-06-01

    best to help. Direct help from Pat Barnes, Jeff, John , Russ, and all the technical staff in the CS Department, Thank you all very much. To my family, I...GETCHAR and POSITIONNOW; LOGGER External NavSensor [GET-CHAR DataBaseF Data Displays • Ralw -data L . " Current Data )I Figure-6: Description of Logger

  15. Lesson Plans for "Not for Ourselves Alone: The Story of Elizabeth Cady Stanton and Susan B. Anthony."

    Science.gov (United States)

    Prososki, Lisa; Krouse, Judith; Harper, Judith E.

    These lesson plans for high school students were developed to accompany the documentary film by Ken Burns and Paul Barnes which tells the story of Elizabeth Cady Stanton and Susan B. Anthony and their lifelong fight for women's rights. In the lessons students write editorials about women's rights around the world today, interview senior citizens…

  16. Revivals and Casimir energy for a free Maxwell field (spin-1 singleton) on R x S^d for odd d

    CERN Document Server

    Dowker, J S

    2016-01-01

    Earlier work on quantum revivals is extended to Maxwell fields (aka spin-one singletons). An evaluation of the Casimir energy on the generalised Einstein universe is also done to illustrate the utility of the Barnes zeta-function and generalised Bernoulli polynomials. Contact is made with some recent calculations in AdS/CFT.

  17. Odor and odorous chemical emissions from dairy and swine facilities: Part 5-Simultaneous chemical and sensory analysis with Gas Chromatography - Mass Spectrometry - Olfactometry

    Science.gov (United States)

    Simultaneous chemical and sensory analyses using gas chromatography-mass spectrometry-olfactometry (GC-MS-O) for air samples collected at barn exhaust fans were used for quantification and ranking of odor impact of target odorous gases. Fifteen target odorous VOCs (odorants) were selected. Air sampl...

  18. Sand Resources of Southern Lake Erie, Conneaut to Toledo, Ohio - A Seismic Reflection and Vibracore Study.

    Science.gov (United States)

    1980-11-01

    calculated that about 102 million cubic meters of sand was present in the entire Lorain-Vermilion deposit within the Laited States. This figure seems...Stratigraphy - Application to Hydrocarbon Exploration," C.E. Payton, ed., Memoir 26, Tulsa, Okla., 1977. BARNS, B., et al., "Geologic Prediction

  19. The Universal Aspect Ratio of Vortices in Rotating Stratified Flows: Theory and Simulation

    CERN Document Server

    Hassanzadeh, Pedram; Gal, Patrice Le

    2012-01-01

    We derive a relationship for the vortex aspect ratio $\\alpha$ (vertical half-thickness over horizontal length scale) for steady and slowly evolving vortices in rotating stratified fluids, as a function of the Brunt-Vaisala frequencies within the vortex $N_c$ and in the background fluid outside the vortex $\\bar{N}$, the Coriolis parameter $f$, and the Rossby number $Ro$ of the vortex: $\\alpha^2 = Ro(1+Ro) f^2/(N_c^2-\\bar{N}^2)$. This relation is valid for cyclones and anticyclones in either the cyclostrophic or geostrophic regimes; it works with vortices in Boussinesq fluids or ideal gases, and the background density gradient need not be uniform. Our relation for $\\alpha$ has many consequences for equilibrium vortices in rotating stratified flows. For example, cyclones must have $N_c^2 > \\bar{N}^2$; weak anticyclones (with $|Ro| \\bar{N}^2$. We verify our relation for $\\alpha$ with numerical simulations of the three-dimensional Boussinesq equations for a wide variety of vortices, including: vortices that are i...

  20. Environmental assessment for Kelley Hot Spring geothermal project: Kelley Hot Spring Agricultural Center

    Energy Technology Data Exchange (ETDEWEB)

    Neilson, J.A.

    1981-04-01

    The environmental impacts of an integrated swine production unit are analyzed together with necessary ancillary operations deriving its primary energy from a known geothermal reservoir in accordance with policies established by the National Energy Conservation Act. This environmental assessment covers 6 areas designated as potentially feasible project sites, using as the basic criteria for selection ground, surface and geothermal water supplies. The six areas, comprising +- 150 acres each, are within a 2 mile radius of Kelley Hot Springs, a known geothermal resource of many centuries standing, located 16 miles west of Alturas, the county seat of Modoc County, California. The project consists of the construction and operation of a 1360 sow confined pork production complex expandable to 5440 sows. The farrow to finish system for 1360 sows consists of 2 breeding barns, 2 gestation barns, 1 farrowing and 1 nursery barn, 3 growing and 3 finishing barns, a feed mill, a methane generator for waste disposal and water storage ponds. Supporting this are one geothermal well and 1 or 2 cold water wells, all occupying approximately 12 acres. Environmental reconnaissance involving geology, hydrology, soils, vegetation, fauna, air and water quality, socioeconomic, archaelogical and historical, and land use aspects were carefully carried out, impacts assessed and mitigations evaluated.

  1. Characterization of Maze Performance in Adrenalectomized Sleep Disrupted Rats: A Comparison of Radial Arm Maze Performance between Adrenalectomized and Sham Adrenalectomized Sleep Disrupted Rats

    Science.gov (United States)

    2007-01-01

    associated with an increase in orexin , which is also increased by sleep disruption. The Barnes maze does not require food restriction, because the...another behavioral test that detects hippocampal impairments eliminating of food restriction. Food restriction increases corticosterone and orexin

  2. Cattle Housing at the Registered Farms under Cattle Breeders’ Association in Ödemiş, İzmir.

    Directory of Open Access Journals (Sweden)

    Erdal Yaylak

    2015-02-01

    Full Text Available The objective of this study was to determine barning conditions of dairy farms registered to Cattle Breeders Association (CBA Ödemiş district of İzmir. The 92 farms were selected among members of the CBA by proportional sampling method. The farms were divided into three groups according to the number of cattle: group 1 from 5 to 20, group 2 from 21 to 40 and group 3 with over 41 heads, respectively. The farms were divided into three groups according to the number of cattle: 5-20; 21-40 and over 41 heads, respectively. The research results indicated that 76.1% of the barns were shed type, 15.2% were corral, 8.7% were completely closed-up. The flooring types of these barns were a mixed of concrete and soil (73.9%, concrete (19.6% and soil (6.5%. The stocking density for group 1, 2 and 3 were 22.2 m2, 19.5 m2 and 18.2 m2 per cow, respectively. The barns had a range of full cattle capacity from 12.5 m2 to 15 m2 per cow. But none of the farms surveyed did not use fully capacity of the barn. The present running capacity of farms were between 55% and 80%. It was observed that 19.6% of farms had a individual calf section, 82.6% had a night lighting at the barn, and 64.1% had a seperate concenrated feed store. All the farms were milked with milking machines. The percentage of farms with bucked milking machine was 47.8%, those with an air pipeline system was 37% and those with parlour system was 15.2%. None of farms had manure pit. Consequently, as herd size grow, the presence of free barn, calving pen, feed store and milk cooling tank increase. It can be concluded that improving the housing conditions is much more related with increasing the herd size per farm.

  3. Characterizing non-methane volatile organic compounds emissions from a swine concentrated animal feeding operation

    Science.gov (United States)

    Rumsey, Ian C.; Aneja, Viney P.; Lonneman, William A.

    2012-02-01

    Emissions of non-methane volatile organic compounds (NMVOCs) were determined from a swine concentrated animal feeding operation (CAFO) in North Carolina. NMVOCs were measured in air samples collected in SUMMA and fused-silica lined (FSL) canisters and were analyzed using a gas chromatography flame ionization detection (GC-FID) system. Measurements were made from both an anaerobic lagoon and barn in each of the four seasonal sampling periods during the period June 2007 through April 2008. In each sampling period, nine to eleven canister samples were taken from both the anaerobic lagoon and barn over a minimum of four different days during a period of ˜1 week. Measurements of meteorological and physiochemical parameters were also made during the sampling period. In lagoon samples, six NMVOCs were identified that had significantly larger emissions in comparison to other NMVOCs. This included three alcohols (ethanol, 2-ethyl-1-hexanol, and methanol), two ketones (acetone and methyl ethyl ketone (MEK)) and an aldehyde (acetaldehyde). The overall average fluxes for these NMVOCs, ranged from 0.18 μg m -2 min -1 for 2-ethyl-1-hexanol to 2.11 μg m -2 min -1 for acetone, with seasonal fluxes highest in the summer for four (acetone, acetaldehyde, 2-ethyl-1-hexanol and MEK) of the six compounds In barn samples, there were six NMVOCs that had significantly larger concentrations and emissions in comparison to other NMVOCs. These consisted of two alcohols (methanol and ethanol), an aldehyde (acetaldehyde), two ketones (acetone and 2,3-butanedione), and a phenol (4-methylphenol). Overall average barn concentration ranged from 2.87 ppb for 4-methylphenol to 16.12 ppb for ethanol. Overall average normalized barn emission rates ranged from 0.10 g day -1 AU -1 (1 AU (animal unit) = 500 kg of live animal weight) for acetaldehyde to 0.45 g day -1 AU -1 for ethanol. The NMVOCs, 4-methylphenol and 2,3-butanedione, which have low odor thresholds (odor thresholds = 1.86 ppb and 0

  4. Bone composition and bone mineral density of long bones of free-living raptors

    Directory of Open Access Journals (Sweden)

    Britta Schuhmann

    2014-10-01

    Full Text Available Bone composition and bone mineral density (BMD of long bones of two raptor and one owl species were assessed. Right humerus and tibiotarsus of 40 common buzzards, 13 white-tailed sea eagles and 9 barn owls were analyzed. Statistical analysis was performed for influence of species, age, gender and nutritional status. The BMD ranged from 1.8 g/cm3 (common buzzards to 2.0 g/cm3 (white-tailed sea eagles. Dry matter was 87.0% (buzzards to 89.5% (sea eagles. Percentage of bone ash was lower in sea eagles than in buzzards and owls. Content of crude fat was lower than 2% of the dry matter in all bones. In humeri lower calcium values (220 g/kg fat free dry matter were detected in sea eagles than in barn owls (246 g/kg, in tibiotarsi no species differences were observed. Phosphorus levels were lowest in sea eagles (humeri 104 g/kg fat free dry matter, tibiotarsi 102 g/kg and highest in barn owls. Calcium-phosphorus ratio was about 2:1 in all species. Magnesium content was lower in sea eagles (humeri 2590 mg/kg fat free dry matter, tibiotarsi 2510 mg/kg than in buzzards and owls. Bones of barn owls contained more copper (humeri 8.7 mg/kg fat free dry matter, tibiotarsi 12.7 mg/kg than in the Accipitridae. Zinc content was highest in sea eagles (humeri 278 mg/kg fat free dry matter, tibiotarsi 273 mg/kg and lowest in barn owls (humeri 185 mg/kg, tibiotarsi 199 mg/kg. The present study shows that bone characteristics can be considered as species specific in raptors.

  5. Sampling guidelines for oral fluid-based surveys of group-housed animals.

    Science.gov (United States)

    Rotolo, Marisa L; Sun, Yaxuan; Wang, Chong; Giménez-Lirola, Luis; Baum, David H; Gauger, Phillip C; Harmon, Karen M; Hoogland, Marlin; Main, Rodger; Zimmerman, Jeffrey J

    2017-02-17

    Formulas and software for calculating sample size for surveys based on individual animal samples are readily available. However, sample size formulas are not available for oral fluids and other aggregate samples that are increasingly used in production settings. Therefore, the objective of this study was to develop sampling guidelines for oral fluid-based porcine reproductive and respiratory syndrome virus (PRRSV) surveys in commercial swine farms. Oral fluid samples were collected in 9 weekly samplings from all pens in 3 barns on one production site beginning shortly after placement of weaned pigs. Samples (n=972) were tested by real-time reverse-transcription PCR (RT-rtPCR) and the binary results analyzed using a piecewise exponential survival model for interval-censored, time-to-event data with misclassification. Thereafter, simulation studies were used to study the barn-level probability of PRRSV detection as a function of sample size, sample allocation (simple random sampling vs fixed spatial sampling), assay diagnostic sensitivity and specificity, and pen-level prevalence. These studies provided estimates of the probability of detection by sample size and within-barn prevalence. Detection using fixed spatial sampling was as good as, or better than, simple random sampling. Sampling multiple barns on a site increased the probability of detection with the number of barns sampled. These results are relevant to PRRSV control or elimination projects at the herd, regional, or national levels, but the results are also broadly applicable to contagious pathogens of swine for which oral fluid tests of equivalent performance are available.

  6. Online Design Aid for Evaluating Manure Pit Ventilation Systems to Reduce Entry Risk.

    Science.gov (United States)

    Manbeck, Harvey B; Hofstetter, Daniel W; Murphy, Dennis J; Puri, Virendra M

    2016-01-01

    On-farm manure storage pits contain both toxic and asphyxiating gases such as hydrogen sulfide, carbon dioxide, methane, and ammonia. Farmers and service personnel occasionally need to enter these pits to conduct repair and maintenance tasks. One intervention to reduce the toxic and asphyxiating gas exposure risk to farm workers when entering manure pits is manure pit ventilation. This article describes an online computational fluid dynamics-based design aid for evaluating the effectiveness of manure pit ventilation systems to reduce the concentrations of toxic and asphyxiating gases in the manure pits. This design aid, developed by a team of agricultural engineering and agricultural safety specialists at Pennsylvania State University, represents the culmination of more than a decade of research and technology development effort. The article includes a summary of the research efforts leading to the online design aid development and describes protocols for using the online design aid, including procedures for data input and for accessing design aid results. Design aid results include gas concentration decay and oxygen replenishment curves inside the manure pit and inside the barns above the manure pits, as well as animated motion pictures of individual gas concentration decay and oxygen replenishment in selected horizontal and vertical cut plots in the manure pits and barns. These results allow the user to assess (1) how long one needs to ventilate the pits to remove toxic and asphyxiating gases from the pit and barn, (2) from which portions of the barn and pit these gases are most and least readily evacuated, and (3) whether or not animals and personnel need to be removed from portions of the barn above the manure pit being ventilated.

  7. Cage Versus Noncage Laying-Hen Housings: Respiratory Exposures.

    Science.gov (United States)

    Arteaga, Veronica; Mitchell, Diane; Armitage, Tracey; Tancredi, Daniel; Schenker, Marc; Mitloehner, Frank

    2015-01-01

    The objective of this study was to compare the personal respiratory exposures of poultry workers in three different types of layer housing under commercial production conditions. Workers were randomly assigned to each of conventional cage, enriched cage, and aviary barns in a crossover repeated-measures design for three observation periods over the hens' lifetime. Inhalable and fine particulate matter (PM) and endotoxin in both size fractions were assessed by personal and area samplers over the work shift. Concentrations of inhalable PM, PM2.5 (PM with an aerodynamic diameter <2.5 μm), and endotoxin in both size fractions were higher in aviary than either the conventional or enriched barns. Geometric means (95% confidence intervals [CIs]) of inhalable PM and endotoxin for the aviary, conventional, and enriched barns were 8.9 (6.8-11.5) mg/m(3) and 7517.9 (5403.2-10,460.2) EU/m(3), 3.7 (2.8-4.8) mg/m(3) and 1655.7 (1144.6-2395.2) EU/m(3), 2.4 (1.8-3.3) mg/m(3) and 1404.8 (983.3-2007.0) EU/m(3), respectively. Area samplers recorded a lower mean inhalable PM concentration and higher PM2.5 concentration than personal samplers. Ammonia concentrations were low throughout three monitoring seasons. These findings show that the aviary barns pose higher respiratory exposures to poultry workers than either conventional or enriched barns.

  8. Online Design Aid for Evaluating Manure Pit Ventilation Systems to Reduce Entry Risk

    Directory of Open Access Journals (Sweden)

    Harvey B. Manbeck

    2016-05-01

    Full Text Available On-farm manure storage pits contain both toxic and asphyxiating gases such as hydrogen sulfide, carbon dioxide, methane and ammonia. Farmers and service personnel occasionally need to enter these pits to conduct repair and maintenance tasks. One intervention to reduce the toxic and asphyxiating gas exposure risk to farm workers when entering manure pits is manure pit ventilation. This article describes an online computational fluid dynamics based design aid for evaluating the effectiveness of manure pit ventilation systems to reduce the concentrations of toxic and asphyxiating gases in the manure pits. This design aid, developed by a team of agricultural engineering and agricultural safety specialists at Pennsylvania State University, represents the culmination of more than a decade of research and technology development effort. The article includes a summary of the research efforts leading to the online design aid development and describes protocols for using the online design aid, including procedures for data input and for accessing design aid results. Design aid results include gas concentration decay and oxygen replenishment curves inside the manure pit and inside the barns above the manure pits, as well as animated motion pictures of individual gas concentration decay and oxygen replenishment in selected horizontal and vertical cut plots in the manure pits and barns. These results allow the user to assess: (1 how long one needs to ventilate the pits to remove toxic and asphyxiating gases from the pit and barn, (2 from which portions of the barn and pit these gases are most and least readily evacuated, and (3 whether or not animals and personnel need to be removed from portions of the barn above the manure pit being ventilated.

  9. Characterizing reduced sulfur compounds and non-methane volatile organic compounds emissions from a swine concentrated animal feeding operation

    Science.gov (United States)

    Rumsey, Ian Cooper

    Reduced sulfur compounds (RSCs) and non-methane volatile organic compounds (NMVOCs) emissions from concentrated animal feeding operations (CAFOs) have become a potential environmental and human health concern. Both RSCs and NMVOCs contribute to odor. In addition, RSCs also have the potential to form fine particulate matter (PMfine) and NMVOCs the potential to form ozone. Measurements of RSCs and NMVOCs emissions were made from both an anaerobic lagoon and barn at a swine CAFO in North Carolina. Emission measurements were made over all four seasonal periods. In each seasonal period, measurements were made from both the anaerobic lagoon and barn for ˜1 week. RSC and NMVOCs samples were collected using passivated canisters. Nine to eleven canister samples were taken from both the lagoon and barn over each sampling period. The canisters were analyzed ex-situ using gas chromatography flame ionization detection (GC-FID). Hydrogen sulfide (H2S) measurements were made in-situ using a pulsed fluorescence H2S/SO2 analyzer. During sampling, measurements of meteorological and physiochemical parameters were made. H2S had the largest RSC flux, with an overall average lagoon flux of 1.33 mug m-2 min-1. The two main RSCs identified by the GC-FID, dimethyl sulfide (DMS) and dimethyl disulfide (DMDS), had overall average lagoon fluxes an order of magnitude lower, 0.12 and 0.09 mug m-2 min-1, respectively. Twelve significant NMVOCs were identified in lagoon samples (ethanol, 2-ethyl-1-hexanol, methanol, acetaldehyde, decanal, heptanal, hexanal, nonanal, octanal, acetone, methyl ethyl ketone, and 4-methylphenol). The overall average fluxes for these NMVOCs, ranged from 0.08 mug m-2 min-1 (4-methylphenol) to 2.11 mug m-2 min-1 (acetone). Seasonal H2S barn concentrations ranged from 72-631 ppb. DMS and DMDS seasonal concentrations were 2-3 orders of magnitude lower. There were six significant NMVOCs identified in barn samples (methanol, ethanol, acetone 2-3 butanedione, acetaldehyde

  10. The origin of the background radioactive isotope Xe-127 in the sample of Xe enriched in Xe-124

    CERN Document Server

    Gavrilyuk, Yu M; Kazalov, V V; Kuzminov, V V; Panasenko, S I; Ratkevich, S S; Tekueva, D A; Yakimenko, S P

    2015-01-01

    The results of investigation of Xe-127 radioactive isotope production in the xenon sample enriched in Xe-124, Xe-126, Xe-128 are presented. The isotope is supposed to be the source of the background events in the low-background experiment on search for 2K-capture of Xe-124. In this work we consider two channels of Xe-127 production: the neutron knock-out from Xe-128 nucleus by cosmogenic muons and the neutron capture by Xe-126 nucleus. For the first channel the upper limit of the cross section of Xe-127 production was found to be sigma >= 0.007 barn at 95\\% C.L. For the second channel the value obtained for the cross section was found to be equal to sigma =(2.74+-0.4) barn, which coincides well, within the statistical error, with reference value.

  11. Fisher information of a squeezed-state interferometer with a finite photon-number resolution

    CERN Document Server

    Liu, P; Yang, W; Jin, G R; Sun, C P

    2016-01-01

    Squeezed-state interferometry plays an important role in quantum-enhanced optical phase estimation, as it allows the estimation precision to be improved up to the Heisenberg limit by using ideal photon-number-resolving detectors at the output ports. Here we show that for each individual $N$% -photon component of the phase-matched coherent $\\otimes $ squeezed vacuum input state, the classical Fisher information always saturates the quantum Fisher information. Moreover, the total Fisher information is the sum of the contributions from each individual $N$-photon components, where the largest $N$ is limited by the finite number resolution of available photon counters. Based on this observation, we provide approximate formula that quantifies the amount of lost information due to the finite photon number resolution, e.g., given the mean photon number $\\bar{n}$ in the input state, $96$ percent of the Heisenberg limit can be achieved with the number resolution $\\gtrsim 5\\bar{n}$.

  12. Calmettevaccinen tages i brug igen

    DEFF Research Database (Denmark)

    Thybo Pihl, Gitte; Stensballe, Lone Graff; Ammentorp, Jette

    2013-01-01

    .d.-studerende, der medvirker i studiet, har sygeplejefaglig baggrund og vil igennem projektet fokusere på forældrenes holdning til vaccinationer, og hvordan det påvirker forældre at skulle tage stilling til, om deres barn skal vaccineres. Metoden har baggrund i et canadisk sygeplejediagnoseredskab ”Decisional...... Conflict Scale” og bygger bl.a. på spørgeskemainterview. Historier om enkelte uheldige tilfælde og symptomer, som kædes sammen med en vaccination, kan meget let give usikkerhed og bekymring hos dem, der skal tage stilling til, om deres barn skal vaccineres. Det er derfor vigtigt at undersøge, hvad der...

  13. Experimental study of density pump-out effect with on-axis electron cyclotron resonance heating at the T-10 tokamak

    Science.gov (United States)

    Andreev, V. F.; Borschegovskij, A. A.; Chistyakov, V. V.; Dnestrovskij, Yu N.; Gorbunov, E. P.; Kasyanova, N. V.; Lysenko, S. E.; Melnikov, A. V.; Myalton, T. B.; Roy, I. N.; Sergeev, D. S.; Zenin, V. N.

    2016-05-01

    The results of T-10 experiments on the ‘density pump-out’ effect research, i.e. the escape of particles from the zone of on-axis electron cyclotron resonance heating (ECRH) to the plasma periphery are presented. The dependences of the pump-out on the central chord line-averaged plasma density \\bar{n} , total plasma current and the ECRH power were found. The influence of the gas influx intensity and the conditions of the chamber wall and limiter on the above-mentioned effect is also investigated. It is shown that this effect increases with the growth of the \\bar{n} up to a certain critical value {{\\bar{n}}\\text{cr}} , after which the escape of particles from the zone of on-axis ECRH decreases. This critical density {{\\bar{n}}\\text{cr}} increases with the increase of the total plasma current and the ECRH power.

  14. System for quantitative measurements of methane emission from dairy cattle in Denmark

    DEFF Research Database (Denmark)

    Hellwing, Anne Louise Frydendahl; Lund, Peter; Johannes, Maike;

    The methane emission from the digestive tract of cattle in Denmark accounts for 45% of the total methane emission based on the assumption that 6% of the gross energy is metabolized to methane. There is a lack of newer experimental data available for Danish cattle; therefore we have built a unit...... expectations for a system for exact measurements of methane emission in dairy cows at production level under close to natural in barn conditions, where cows’ behavior can be expected to be natural....... for quantitative measurements of methane, based on the principles for an open circuit system for indirect calorimetry. The chambers are transparent (polycarbonate) and open in the bottom, the inlet air is coming from the barn, and air-condition is a simple radiator to cool and condense for dehumidifying...

  15. Fluoride and sulfur dioxide indoor pollution situation and control in coal-burning endemic area in Zhaotong, Yunnan, China

    Science.gov (United States)

    Liu, Yonglin; Luo, Kunli; Li, Ling; Shahid, Muhammad Zeeshaan

    2013-10-01

    The presented study aims to investigate the gaseous fluoride and sulfur dioxide (SO2) pollution level in the kitchen, traditional flue-curing barn and outdoor environment and to find economically feasible method to reduce fluorine and sulfur release. The gaseous fluoride and SO2 concentrations in air of outdoor environment, kitchen and traditional flue-curing barn were determined in 56 households in coal-burning endemic fluorosis areas of Zhaotong. Among these, 21 households in Yujiawan Village, Zhenxiong County, Zhaotong City were chosen for this experiment to reduce gaseous fluoride and SO2 concentration in traditional flue-curing barn air by using calcined dolomitic siliceous limestone (CDSL) instead of clay mixed with coal. The result showed that: (1) gaseous fluoride and SO2 concentration in the outdoor air in Mangbu Township area was 0.51 μg dm-2ṡday and <0.05 mg m-3, respectively and in Xiaolongdong Township was 2.7 μg dm-2 day and <0.05 mg m-3, respectively while in Zhaotong City these concentration were lower than the ambient air standard (3 μg dm-2ṡday and 0.5 mg m-3, respectively). (2) The indoor gaseous fluoride concentration (3.7 μg m-3) in air of kitchen with the improved coal stove was within the reference value (10 μg m-3); SO2 concentration (0.94 mg m-3) in kitchen air had decline, but its concentration was still higher than indoor air quality standard (0.5 mg m-3). (3) Average concentration of gaseous fluoride and SO2 in air of traditional flue-curing barn of Xiaolongdong Township was 7.2 μg m-3 and 6.8 mg m-3 respectively, and in Yujiawan village were 10.1 μg m-3 and 14.4 mg m-3, respectively. (4) After using the calcined dolomitic siliceous limestone instead of clay mixed with coal, gaseous fluoride and SO2 concentration in the traditional flue-curing barn air decreased of 45% and 91%, respectively. The gaseous fluoride and SO2 pollution in the traditional flue-curing barn is very serious. The corn and chili baked by open stoves in

  16. 烟叶密集烘烤余热回收利用的可行性分析%Feasibility Analysis of Waste Heat Recovery of Tobacco Curing

    Institute of Scientific and Technical Information of China (English)

    钟浩; 罗会龙; 李志民; 和智君; 崔国民

    2011-01-01

    分析了目前密集烤房烟叶烘烤的能耗现状;对密集烤房烟气及排湿气流余热回收节能潜力进行了初步估算,并以热管式余热回收器为例进行了经济性分析;在此基础上,初步分析了烟叶密集烘烤余热回收利用的可行性.%The current stares of energy consumption of bulk curing barn are briefly introduced in this paper. The energy-saving potentiality of waste heat recovery in bulk curing barn is estimated. And cost-effectiveness analysis of heat-pump heat recovery device is presented. Based on these, the feasibility of waste heat recovery of tobacco curing is also discussed.

  17. Comparison of alternative manure management systems: effect on the environment, total energy requirement, nutrient conservation, contribution to corn silage production and economics. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Martin, R.O.; Matthews, D.L.

    1983-09-01

    This study compares alternative dairy manure management systems operated under full scale commercial conditions. The study investigates weight of manure handled per cow per year, labor and energy requirements, effect on the environment, nutrient conservation, corn silage production and total annual operating costs. The dairy production facility used was a confinement stall barn at the Agway Farm Research Center, Tully, New York. Provisions were made to handle the manure from the barn in three ways: (1) directly into a spreader for daily spreading, (2) by gravity into a liquid manure storage tank for spring application and immediate plow down, (3) hydraulic ram to a roof-covered above-ground manure storage for spring and fall spreading. Results of the study show that a manure storage system can reduce annual labor requirements by 65 percent and fuel requirement by 60 percent or more, compared to daily spreading.

  18. A multi-quadric area-sink for analytic element modeling of groundwater flow

    Science.gov (United States)

    Strack, O. D. L.; Janković, I.

    1999-12-01

    It is shown that the approach presented by Strack (Strack, O.D.L., 1989. Groundwater Mechanics. Prentice Hall, New Jersey) for determining the discharge potential for an area-sink leads to a function that is unique except for an arbitrary constant. The approach is applied to a special area-sink, namely one with an extraction rate that varies inside a polygon as a multi-quadric interpolator (Hardy, R.L., 1971. Multiquadric equations of topography and other irregular surfaces. Journal of Geophysical Research 76, 1905-1915). The principle of over-specification presented by Janković and Barnes (Janković, I., Barnes, R., 1999a. Three-dimensional flow through large numbers of spheroidal inhomogeneities. Journal of Hydrology 226, 224-233), is used to obtain an approximate solution. Several examples are presented herewith.

  19. Training cows to approach the milking unit in response to acoustic signals in an automatic milking system during the grazing season

    DEFF Research Database (Denmark)

    Wredle, E.; Munksgaard, Lene; Sporndly, E.

    2006-01-01

    cows housed in a barn with an automatic milking system. A small box emitting an acoustic signal was attached to the collar of the 10 cows. During the training period, the signal was induced manually from a distance and during the evaluation period, signals were activated automatically from a computer......The aim of the present study was to examine whether cows in a commercially-managed barn with automatic milking can learn to visit the milking unit in response to an acoustic signal during the grazing season. The study included 10 Swedish Red and White dairy cows, randomly selected from a herd of 45...... connected to the automatic milking system. The cows were trained indoors using an operant conditioning technique. All cows had 12 training sessions with 7–12 signals given at variable intervals. An evaluation period followed the training period. During evaluation, the trained cows received an individual...

  20. Neutron total cross-sections and resonance parameters of Mo and Ta

    Indian Academy of Sciences (India)

    A K M Moinul Haque Meaze; K Devan; Y S Lee; Y D Oh; G N Kim; D Son

    2007-02-01

    Experimental results of transmissions for the samples of natural molybdenum with thickness 0.0192 atoms/barn and for the four samples of natural tantalum with thickness 0.0222, 0.0111, 0.0055 and 0.0025 atoms/barn are presented in this work. Measurements were carried out at the Pohang Neutron Facility which consists of a 100 MeV Linac, water-cooled tantalum target, and 12 m flight path length. Effective total cross-sections were extracted from the transmission data, and resonance parameters were obtained by using the code SAMMY. The present measurements were compared with other measurements and with the evaluated nuclear data file ENDF/B-VI.8.