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  • 2005-2009  (82)
  • 2000-2004  (46)
  • 1985-1989  (31)
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  • 1
    Electronic Resource
    Electronic Resource
    The 583.2 GHz torsional hot-band of (D2O)3 (2001)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 114 (2001), S. 3988-3993 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We report the observation of a new c-type band of (D2O)3 at 583.215 92(37) GHz, which we assign to the k=±20←±10 torsional hot-band. The new data includes the first observation of K=0 states for the k=+10 and k=−20 levels and effects a correct assignment of these states. A new perturbation was observed for the K=2 states of the k=+20←−10 subband splitting each transition into two equally spaced equal intensity doublets. Analysis of the band and inclusion into a global fit of all torsional bands produces negligible differences with previous analyses, and confirms the validity of the Hamiltonian developed to treat the coupling between torsional motion and overall rotation. The 583.2 GHz band completes the precise characterization of all (D2O)3 vibrational levels below 100 cm−1. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1337050
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  • 2
    Electronic Resource
    Electronic Resource
    Terahertz vibration–rotation–tunneling spectroscopy of water clusters in the translational band region of liquid water (2001)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 114 (2001), S. 3994-4004 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We report the first direct observation of the hydrogen-bond stretching vibration for a water cluster. A perpendicular band of (D2O)3 was measured by terahertz laser vibration–rotation–tunneling spectroscopy at 142.8 cm−1 in the "translational band" region of the liquid corresponding to the hindered translational motions of water molecules. We have tentatively assigned the spectrum to transitions from the vibrational ground state to the degenerate hydrogen-bond stretch or a combination or mixed state of the degenerate stretch and a torsional vibration. Comparison with theoretical results shows that calculated frequencies are much too high, presumably because they do not include coupling between the torsional and stretching vibrations. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1337051
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  • 3
    Electronic Resource
    Electronic Resource
    Far-infrared laser vibration–rotation–tunneling spectroscopy of water clusters in the librational band region of liquid water (2001)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 114 (2001), S. 4005-4015 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We report the first high resolution spectrum of a librational vibration for a water cluster. Four parallel bands of (H2O)3 were measured between 510 and 525 cm−1 using diode laser vibration–rotation–tunneling (VRT) spectroscopy. The bands lie in the "librational band" region of liquid water and are assigned to the nondegenerate out of plane librational vibration. The observation of at least three distinct bands within 8 cm−1 originating in the vibrational ground state is explained by a dramatically increased splitting of the rovibrational levels relative to the ground state by bifurcation tunneling and is indicative of a greatly reduced barrier height in the excited state. This tunneling motion is of special significance, as it is the lowest energy pathway for breaking and reforming of hydrogen bonds, a salient aspect of liquid water dynamics. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1337052
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  • 4
    Electronic Resource
    Electronic Resource
    I see that I see: a hero's impact on a family therapist (2005)
    Bingley : Emerald
    Kybernetes 34 (2005), S. 343-352 
    Details
    ISSN: 0368-492X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Computer Science
    Notes: Purpose - The purpose of this paper is to highlight the influence of the late Heinz von Foerster in the life of an admirer and friend who remains a leader in the field of family therapy. Design/methodology/approach - The approach is autobiographical. The method is (loosely) process recall and personal theoretical reflection. Objectives are achieved by organizing major tenets of von Foerster's constructivism into personal categories of meaning. Findings - Findings included a deep philosophical influence on the author's professional life; an abiding impact on his personal life; and a durability of von Foerster's ideas across disciplines, time, and the ever-changing theories and politics of the mental health profession. Originality/value - This paper adds value to the social sciences in general, and to the field of family therapy in particular, because it highlights the interconnectedness of person and profession and the confluence of the messenger/message. Some might say this is cybernetics in vivo. There may be little that is "new" in this paper in terms of theoretical constructs, but the autobiographical nature of the reflections may be its most valuable contribution to others struggling with such concepts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/03684920510581512
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  • 5
    Electronic Resource
    Electronic Resource
    Risk Assessment and Occupational Health Conceptual Problems (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 572 (1989), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1989.tb13576.x
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  • 6
    Electronic Resource
    Electronic Resource
    DEVELOPMENT OF ALTERNATIVE STRATEGIES FOR MANAGEMENT OF SOILBORNE PATHOGENS CURRENTLY CONTROLLED WITH METHYL BROMIDE1 (2003)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Phytopathology 41 (2003), S. 325-350 
    Details
    ISSN: 0066-4286
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Biology
    Notes: The current standard treatment for management of soilborne pests in some high-value crop production systems is preplant fumigation with mixtures of methyl bromide and chloropicrin. With the impending phase-out of methyl bromide, the agricultural industries that rely on soil fumigation face the need for development of alternative pest management strategies. To maintain farm productivity, immediate term research has focused on evaluation of alternative fumigants, modification of current crop production practices to accommodate their use, and improvement of application technologies to reduce the environmental effects of fumigant applications. Longer-term research goals have focused on developing a more integrated approach for pest management that incorporates the use of cultural practices to reduce pathogen pressure, host resistance to disease, and biological approaches for stimulating plant growth and control of root diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.phyto.41.052002.095514
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  • 7
    Electronic Resource
    Electronic Resource
    N-(2,3-Butadienyl)-1,4-butanediamine derivatives: potent irreversible inactivators of mammalian polyamine oxidase (1985)
    s.l. : American Chemical Society
    Journal of medicinal chemistry 28 (1985), S. 1-2 
    Details
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jm00379a001
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  • 8
    Electronic Resource
    Electronic Resource
    Ng, Wing Chung: The Chinese in Vancouver, 1945–80: The Pursuit of Identity and Power : Vancouver, UBC Press, 1999 (2000)
    Cambridge : Cambridge University Press
    The @China quarterly 163 (2000), S. 860-861 
    Details
    ISSN: 0305-7410
    Source: Cambridge Journals Digital Archives
    Topics: Linguistics and Literary Studies , History , Political Science , Sociology , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1017/S0305741000014806
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  • 9
    Electronic Resource
    Electronic Resource
    Point mutation in an AMPA receptor gene rescues lethality in mice deficient in the RNA-editing enzyme ADAR2 (2000)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 406 (2000), S. 78-81 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RNA editing by site-selective deamination of adenosine to inosine alters codons and splicing in nuclear transcripts, and therefore protein function. ADAR2 (refs 7, 8) is a candidate mammalian editing enzyme that is widely expressed in brain and other tissues, but its ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35017558
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  • 10
    Electronic Resource
    Electronic Resource
    The Decline of Deference: The Political Context of Risk Communication (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Risk analysis 9 (1989), S. 0 
    Details
    ISSN: 1539-6924
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Risk communication is seen as an important adjunct to the process of siting locally noxious facilities. To understand how risk communication might function in such a process, one needs to understand the political context that gives rise to public opposition to such facilities in the first place. This analysis draws on a variety of data to describe the decline of deference, a situation in which a hostile and alienated public is mobilized primarily through ad hoc voluntary organizations, and is increasingly reluctant to defer important decisions to institutional elites. Risk communication programs must be designed to offset the trends that result in the decline of deference. This conclusion differs markedly from the conventional wisdom that risk communication is merely a device for providing information to citizens so sthat they may make more rational decisions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1539-6924.1989.tb01265.x
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