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Search Results: 1 - 10 of 191493 matches for " Indra Spiecker genannt D hmann "
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Legal aspects of service robotics
Thomas Dreier,Indra Spiecker genannt D hmann
Poiesis & Praxis , 2012, DOI: 10.1007/s10202-012-0115-4
Abstract: Der zunehmende Einsatz von Service-Robotern in immer mehr Bereichen des gesellschaftlichen Lebens wirft eine Reihe rechtlicher Fragen auf, die es bei der Anwendung des bestehenden Rechtsrahmens auf diese neue Technologie zu beantworten gilt. Der Artikel gibt einen überblick über das Recht als ein Instrument zur Technikregulierung und er rtert grunds tzliche Probleme des Verh ltnisses von Technik und Recht. Nachfolgend wird eine Reihe rechtlicher Fragestellungen auf dem Gebiet der Serviceroboter angesprochen. Dazu z hlen insbesondere die Organisation und Ausübung einer verwaltungsrechtlichen Kontrolle wie auch Fragen der Haftung von bzw. für den Einsatz von Service-Robotern. Schlie lich wird auch das Problem des rechtlichen Umgangs mit der Autonomie von Service-Robotern angesprochen, das sich im geltenden, auf den Menschen ausgerichteten Recht nicht ohne weiteres l sen l sst.
Service robotics: do you know your new companion? Framing an interdisciplinary technology assessment
Michael Decker,Rüdiger Dillmann,Thomas Dreier,Martin Fischer,Mathias Gutmann,Ingrid Ott,Indra Spiecker genannt D hmann
Poiesis & Praxis , 2011, DOI: 10.1007/s10202-011-0098-6
Abstract: Service-Robotic—mainly defined as “non-industrial robotics”—is identified as the next economical success story to be expected after robots have been ubiquitously implemented into industrial production lines. Under the heading of service-robotic, we found a widespread area of applications reaching from robotics in agriculture and in the public transportation system to service robots applied in private homes. We propose for our interdisciplinary perspective of technology assessment to take the human user/worker as common focus. In some cases, the user/worker is the effective subject acting by means of and in cooperation with a service robot; in other cases, the user/worker might become a pure object of the respective robotic system, for example, as a patient in a hospital. In this paper, we present a comprehensive interdisciplinary framework, which allows us to scrutinize some of the most relevant applications of service robotics; we propose to combine technical, economical, legal, philosophical/ethical, and psychological perspectives in order to design a thorough and comprehensive expert-based technology assessment. This allows us to understand the potentials as well as the limits and even the threats connected with the ongoing and the planned implementation of service robots into human lifeworld—particularly of those technical systems displaying increasing grades of autonomy.
Emission time scale of light particles in the system Xe+Sn at 50 AMeV. A probe for dynamical emission ?
D. Gourio,INDRA collaboration
Physics , 2000, DOI: 10.1007/PL00013604
Abstract: Proton and deuteron correlation functions have been investigated with both impact parameter and emission source selections. The correlations of the system (129Xe + natSn) at 50 AMeV have been measured with the 4 pi INDRA which provides a complete kinematical description of each event. The emission time scale analyzed with a quantum model reveals the time sequence of the light particles emitted by the projectile-like fragment. The short and constant emission time of the proton, independent of the impact parameter, can be attributed to a preequilibrium process.
Factors controlling micropropagation of Myrica esculenta buch. – Ham. ex D. Don: a high value wild edible of Kumaun Himalaya
Indra D Bhatt, Uppeandra Dhar
African Journal of Biotechnology , 2004,
Abstract: Various factors such as browning, season, media type and plant growth regulators influence the micropropagation of female trees of Myrica esculenta. These factors have successfully been addressed after addition of some media additives, collection of the explant at right season, standardizing the media type and use of plant growth regulators at varying concentrations. Polyvinylpyrollidone (PVP - 0.5%) was found effective for successful partial removal of phenolic compounds and obtaining maximum percent survival of explants. The explant collection season played an important role in reducing phenol induced browning and winter season was found best for explant establishment. The maximum number of shoots (4-5/explant) was obtained in Woody Plant Medium (WPM) supplemented with 10μM kinetin and 0.1μM naphthalene acetic acid (NAA). Of all the media types tried, Woody Plant Medium was found to be the best. Kinetin was found superior to benzyl amino purine and N6(γ,γ-dimethylallyamino)purine (2iP) for explant establishment and multiplication. NAA induced rooting to 45.8% of explants in 1/2 strength Woody Plant Medium. However, ex vitro survival percentage was low. Key Words: Browning, in vitro, plant regeneration, tissue culture, woody plant medium. African Journal of Biotechnology Vo l.3(10) 2004: 534-540
Recurrent abdominal pain in children and adolescents – a survey among paediatricians
Angelika A. Schlarb,Marco D. Gulewitsch,Inga Bock genannt Kasten,Paul Enck
GMS Psycho-Social-Medicine , 2011,
Abstract: Objective: Little is known about prevalence and usual treatment of childhood and adolescent recurrent abdominal pain (RAP) in outpatient paediatricians’ practice. This study’s primary objective was to acquire insights into the usual paediatricians’ treatment and their estimation of prevalence, age and gender of RAP patients. Further objectives were to assess to which extent family members of patients report similar symptoms, how paediatricians rate the strain of parents of affected children and adolescents and how paediatricians estimate the demand for psychological support. Methods: Provided by a medical register, 437 outpatient paediatricians received a questionnaire to assess their perception of several psychosomatic problems and disorders including recurrent abdominal pain. Results: According to paediatricians’ estimation, 15% of all visits are caused by patients with RAP. In 22% of these cases of RAP, at least one family member has similar problems. In about 15% of all RAP cases, parents ask for professional psychological support concerning their children’s issues, whereas 40% of paediatricians wish for psychological support considering this group of patients. Conclusions: Estimated frequencies and paediatricians’ demands show the need for evidence-based psychological interventions in RAP to support usual medical treatment.
Multi-orbital and density-induced tunneling of bosons in optical lattices
D. -S. Lühmann,O. Jürgensen,K. Sengstock
Physics , 2011, DOI: 10.1088/1367-2630/14/3/033021
Abstract: We show that multi-orbital and density-induced tunneling have a significant impact on the phase diagram of bosonic atoms in optical lattices. Off-site interactions lead to density-induced hopping, the so-called bond-charge interactions, which can be identified with an effective tunneling potential and can reach the same order of magnitude as conventional tunneling. In addition, interaction-induced higher-band processes also give rise to strongly modified tunneling, on-site and bond-charge interactions. We derive an extended occupation-dependent Hubbard model with multi-orbitally renormalized processes and compute the corresponding phase diagram. It substantially deviates from the single-band Bose-Hubbard model and predicts strong changes of the superfluid to Mott-insulator transition. In general, the presented beyond-Hubbard physics plays an essential role in bosonic lattice systems and has an observable influence on experiments with tunable interactions.
Assessment of gestational age by examination of anterior vascular capsule of the lens
Narayanan Indra,Mehta D,Dutta Ashok,Paul Sisir
Indian Journal of Ophthalmology , 1981,
Dose perturbation study in a multichannel breast brachytherapy device
Eric D. Slessinger,Rodney Fletcher,Indra J. Das
Journal of Contemporary Brachytherapy , 2011,
Abstract: Purpose: A study was conducted to determine the dosimetric effects resulting from air pockets and high atomic number(Z) contrast medium within a multichannel breast brachytherapy device. Material and methods: A 5-6 cm diameter Contura (SenoRx) brachytherapy device was inflated using 37 cm3 of saline.Baseline dose falloff from an HDR Iridium-192 source was measured with the Iridium source centered in the central channeland an anterior off-center channel. Data were collected at distances from 1 to 50mm. Comparison studies were conductedwith identically inflated volume containing varied air pocket volumes (1-4 cm3) and concentrations of contrastsolution (3%, 6%, and 9% by volume). Dose perturbation factors (DPF) were computed and evaluated. Results: Dose perturbations due to air pockets and contrast solutions were observed. As the volume of air increased,the DPF increased by approximately 2.25%/cm3. The effect was consistent for both channels. The contrast effects weremore complex. The 3% contrast media had minimal dose perturbation. The 6% contrast solution caused dose reductionof 1.0% from the central channel but 1.5% dose increase from the anterior channel. The 9% contrast solution caused dosereductions by 4.0% (from central channel) and 3.0% (from anterior channel). The DPF from all contrast solutions mode -rated with increasing distance. Conclusions: Dose perturbations due to air pockets and high-Z contrast solution can be significant. It is importantto control these effects to avoid dose errors.
Exploring complex disease gene relationships using simultaneous analysis
Joseph D Romano,William G Tharp,Indra N Sarkar
PeerJ , 2015, DOI: 10.7287/peerj.preprints.230v1
Abstract: The characterization of complex diseases remains a great challenge for biomedical researchers due to the myriad interactions of genetic and environmental factors. Adaptation of phylogenomic techniques to increasingly available genomic data provides an evolutionary perspective that may elucidate important unknown features of complex diseases. Here an automated method is presented that leverages publicly available genomic data and phylogenomic techniques. The approach is tested with nine genes implicated in the development of Alzheimer Disease, a complex neurodegenerative syndrome. The developed technique, implemented through a suite of Ruby scripts entitled “ASAP2,” first compiles a list of sequence-similarity based orthologues using PSI-BLAST and a recursive NCBI BLAST+ search strategy, then constructs maximum parsimony phylogenetic trees for each set of nucleotide and protein sequences, and calculates phylogenetic metrics (partitioned Bremer support values, combined branch scores, and Robinson-Foulds distance) to provide an empirical assessment of evolutionary conservation within a given genetic network. This study demonstrates the potential for using automated simultaneous phylogenetic analysis to uncover previously unknown relationships among disease-associated genes that may not have been apparent using traditional, single-gene methods. Furthermore, the results provide the first integrated evolutionary history of an Alzheimer Disease gene network and identify potentially important co-evolutionary clustering around components of oxidative stress pathways.
Measurements of sideward flow around the balance energy
INDRA collaboration,D. Cussol,T. Lefort,J. Péter
Physics , 2001, DOI: 10.1103/PhysRevC.65.044604
Abstract: Sideward flow values have been determined with the INDRA multidetector for Ar+Ni, Ni+Ni and Xe+Sn systems studied at GANIL in the 30 to 100 A.MeV incident energy range. The balance energies found for Ar+Ni and Ni+Ni systems are in agreement with previous experimental results and theoretical calculations. Negative sideward flow values have been measured. The possible origins of such negative values are discussed. They could result from a more important contribution of evaporated particles with respect to the contribution of promptly emitted particles at mid-rapidity. But effects induced by the methods used to reconstruct the reaction plane cannot be totally excluded. Complete tests of these methods are presented and the origins of the ``auto-correlation'' effect have been traced back. For heavy fragments, the observed negative flow values seem to be mainly due to the reaction plane reconstruction methods. For light charged particles, these negative values could result from the dynamics of the collisions and from the reaction plane reconstruction methods as well. These effects have to be taken into account when comparisons with theoretical calculations are done.
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