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  • 2000-2004  (25)
  • 1965-1969
  • 1930-1934  (2)
  • 2001  (25)
  • 1933  (2)
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  • 2000-2004  (25)
  • 1965-1969
  • 1930-1934  (2)
Year
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  • 1
    Unknown
    The evolution of intelligence (2001)
    Mahwah, N.J : Lawrence Erlbaum Associates
    Details
    Keywords: Genetic psychology. ; Intellect. ; Psychology, Comparative.
    Pages: x, 390 p.
    ISBN: 0-585-38085-6
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=63056
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    E-Book (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Analysis of nonlinear dynamics on arbitrary geometries with the Virtual Cell (2001)
    Woodbury, NY : American Institute of Physics (AIP)
    Chaos 11 (2001), S. 115-131 
    Details
    ISSN: 1089-7682
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The Virtual Cell is a modeling tool that allows biologists and theorists alike to specify and simulate cell-biophysical models on arbitrarily complex geometries. The framework combines an intuitive, front-end graphical user interface that runs in a web browser, sophisticated server-side numerical algorithms, a database for storage of models and simulation results, and flexible visualization capabilities. In this paper, we present an overview of the capabilities of the Virtual Cell, and, for the first time, the detailed mathematical formulation used as the basis for spatial computations. We also present summaries of two rather typical modeling projects, in order to illustrate the principal capabilities of the Virtual Cell. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1350404
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effects of Azimilide, a New Class III Antiarrhythmic Drug, on Reentrant Circuits Causing Ventricular Tachycardia and Fibrillation in a Canine Model of Myocardial Infarction (2001)
    Oxford, UK : Blackwell Science Inc
    Journal of cardiovascular electrophysiology 12 (2001), S. 0 
    Details
    ISSN: 1540-8167
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Effects of Azimilide on Reentrant Circuits. Introduction: Azimilide blocks the slow (IKs) and fast (IKr) components of the delayed rectifier potassium channel. It also has blocking effects on sodium (INa) and calcium currents (ICaL). Its effects on reentrant circuits in infarct border zones causing ventricular tachyarrhythmias are unknown. Methods and Results: Activation in reentrant circuits causing sustained ventricular tachycardia (SVT) and the initial polymorphic tachycardia that leads to ventricular fibrillation (VF) was mapped in the epicardial border zone (EBZ) of 4-day-old canine infarcts. Azimilide prolonged the effective refractory period (ERP) in both normal myocardium and EBZ, but reverse use-dependence in EBZ was prominent. Azimilide abolished SVT initiation by programmed electrical stimulation by prolonging the ERP at the site of stimulation either in normal or EBZ, preventing the occurrence of early premature impulses and the formation of lines of block in the EBZ necessary for formation of reentrant circuits. Azimilide prevented VF initiation by programmed electrical stimulation by causing conduction block of reentrant impulses in the EBZ during the initial beats of rapid polymorphic ventricular tachycardia, despite the reverse use-dependent effects on ERP. Conclusion: Azimilide has antiarrhythmic effects to prevent reentry causing SVT and VF in a canine infarct model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1540-8167.2001.01025.x
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  • 4
    Electronic Resource
    Electronic Resource
    Virtual Reality Technology: A New Tool for Personnel Selection (2001)
    Oxford, UK and Boston, USA : Blackwell Publishers Ltd
    International journal of selection and assessment 9 (2001), S. 0 
    Details
    ISSN: 1468-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: The purpose of this article is to introduce virtual reality technology as a potential tool for personnel selection in organizations. We describe virtual reality technology, its hardware and software requirements, and some current applications. Then we propose specific types of job knowledge, skills, abilities, and other characteristics (KSAOs) particularly suitable to being assessed using virtual reality technology. We emphasize KSAOs that hold the greatest promise in terms of yielding greater validity than more commonly used selection techniques. We hope the present article will stimulate and guide future empirical research on the potential of virtual reality technology as a personnel selection tool.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1468-2389.00164
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  • 5
    Electronic Resource
    Electronic Resource
    Nightguard Vital Bleaching: A Long-Term Study on Efficacy, Shade Retention, Side Effects, and Patients' Perceptions (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of esthetic and restorative dentistry 13 (2001), S. 0 
    Details
    ISSN: 1708-8240
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1708-8240.2001.tb01021.x
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  • 6
    Electronic Resource
    Electronic Resource
    IMPACT OF A TURFGRASS SYSTEM ON NUTRIENT LOADINGS TO SURFACE WATER (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 37 (2001), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : Turfgrass systems are one of the most intensively managed land uses in the United States. Establishment and maintenance of high quality turfgrass usually implies substantial inputs of water, nutrients, and pesticides. The focus of this work was to quantify the concentration and loading of a typically maintained municipal turfgrass environment on surface water. Water quantity and quality data were collected from a golf course in Austin, Texas, and analyzed for a 13-month period from March 20, 1998, to April 30, 1999. Twenty-two precipitation events totaling 722 mm, produced an estimated 98 mm of runoff. Nutrient analysis of surface runoff exiting the course exhibited a statistically significant (p 〈 0.05) increase in median nitrate plus nitrite nitrogen (NO3+NO2-N) concentration compared to runoff entering the course, a statistically significant decrease in ammonia nitrogen (NH4-N), but no difference in orthophosphate (PO4-P). During the 13-month period, storm runoff contributed an estimated 2.3 kg/ha of NO3+NO2-N and 0.33 kg/ha of PO4-P to the stream. Storm flow accounted for the attenuation of 0.12 kg/ha of NH4-N. Baseflow nutrient analysis showed a statistically significant increase in median NO3+NO2-N, a significant reduction in NH4-N, and no change in PO4-P. Estimated NO3+NO2-N mass in the baseflow was calculated as 4.7 kg/ha. PO4-P losses were estimated at 0.06 kg/ha, while 0.8 kg/ha of NH4-N were attenuated in baseflow over the study period. Even though nutrient concentrations exiting the system rarely exceeded nutrient screening levels, this turfgrass environment did contribute increased NO3+NO2-N and PO4-P loads to the stream. This emphasizes the need for parallel studies where management intensity, soil, and climate differ from this study and for golf course managers to utilize an integrated management program to protect water quality while maintaining healthy turfgrass systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.2001.tb05499.x
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  • 7
    Electronic Resource
    Electronic Resource
    Technology management and collaboration profile: virtual companies and industrial platforms in the high-tech biotechnology industries (2001)
    Oxford, UK and Boston, USA : Blackwell Publishers Ltd
    R & D management 31 (2001), S. 0 
    Details
    ISSN: 1467-9310
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: In this paper we discuss collaboration in the area of technology management. We propose the concept of collaboration profile to describe various forms of networks along key differentiating characteristics. The collaboration profile is then applied using two examples to illustrate different forms of collaboration in the biotechnology industries, the ‘virtual company’ and the ‘industrial platform’. Based on interviews with members of a virtual company as well as members of industrial platforms and drawing conclusions from theoretical insights, the advantages and disadvantages of these forms and their suitability for different stages of the technology life cycle will be discussed.Specifically, we address the following questions:What kind of collaboration profile applies to virtual companies and industrial platforms?How does the suitability of collaboration forms vary with the stage of technology development?Furthermore, we demonstrate the usefulness of the collaboration profile for analysing features and potential problems of collaborations by describing two examples. Focusing on the key characteristics of a collaboration helps to check the appropriateness of the collaboration form and to identify and manage respective problems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1467-9310.00199
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  • 8
    Electronic Resource
    Electronic Resource
    LeGRP1: A new member of glycine-rich proteins from tomato (Lycopersicon esculentum) (2001)
    Copenhagen : Munksgaard International Publishers
    Physiologia plantarum 113 (2001), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Glycine-rich proteins (GRPs) are members of a family of proteins with unique repeats of glycine-containing motifs. This feature facilitates their association with plant structural components such as cell wall and vascular tissues. A transcript encoding a new member (LeGRP1) of the GRP family was identified from roots of tomato by the method of differential display of mRNA species. The cDNA is 1.15 kb in size and has an open reading frame encoding a peptide of 284 amino acids. Glycine residues make up 55% of the deduced peptide and the sequence is characterized by repeating (Gly-X)n domains. The presence of a hydrophobic N-terminus with a putative signal peptide indicates a probable association of the protein with the cell wall. Southern analysis shows that several LeGRP1 homologues are present in the genome. The LeGRP1 transcript accumulates predominantly in the roots, stem and petioles of tomato. A relatively lower level of LeGRP1 message was observed in the leaf mid-rib, while the message is undetectable in the leaf lamina. Abiotic stresses like cold, heat, salt, desiccation and phosphate starvation did not significantly affect the expression of LeGRP1, whereas wounding resulted in a significant repression of the gene expression. Temporal regulation of LeGRP1 was observed during fruit development.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1399-3054.2001.1130112.x
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  • 9
    Electronic Resource
    Electronic Resource
    Minimum Color Differences for Discriminating Mismatch between Composite and Tooth Color (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of esthetic and restorative dentistry 13 (2001), S. 0 
    Details
    ISSN: 1708-8240
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Purpose: The purpose of this study was to determine if there are differences between patients and dental professionals in their ability to identify small color differences (AE) in composite resin restorative materials in vitro and to determine the AE that would indicate acceptability of color match between a restoration and an adjacent tooth. Materials and Methods: Subjects were asked to evaluate composite resin disks to distinguish acceptability of ΔE between disk pairs. Color difference discrimination of dental professionals groups D1 (dentists, n = 12) and D2 (dental auxiliaries, n =12) was compared to that of dental patient groups P1 (patients, n = 12) and P2 (scientists, n = 12). Each group was pretested for normal color vision. Color differences between a standard and restoration disks of composite were measured in Colour Measurement Committee (CMC) (1:1) color units. Data were analyzed by logistic regression, and results were used to calculate a probability level for minimal acceptance or rejection of ΔE for all observers. Mean 50:50 ΔE replacement points (RP) for each group were obtained and analyzed by analysis of variance, and the Tukey pairwise comparison test was applied (α= 0.05 for all statistical analyses). Results: There were significant differences found between the experimental groups (p= .020). Group D2 (mean 50:50 ΔE RP = 1.78) proved to be more discriminating in accepting differences between tooth and composite resin restorative material color than group P1 (mean 50:50 AE RP = 2.69). The mean 50:50 ΔE RP for all subjects was 2.29 CMC (1:1) units.CLINICAL SIGNIFICANCEThe ability to generate an excellent color match between a tooth-colored restoration and the tooth is critical to esthetic success. This study demonstrates that patients are not as discriminating in their ability to identify small color differences between composite restorations and the tooth as are dental professionals. Dental auxiliaries proved to be more discriminating in accepting differences between tooth and composite resin restorative material color than were patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1708-8240.2001.tb00250.x
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  • 10
    Electronic Resource
    Electronic Resource
    ATTENTION AND PERFORMANCE (2001)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Psychology 52 (2001), S. 629-651 
    Details
    ISSN: 0066-4308
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Psychology
    Notes: Abstract Recent progress in the study of attention and performance is discussed, focusing on the nature of attentional control and the effects of practice. Generally speaking, the effects of mental set are proving more pervasive than was previously suspected, whereas automaticity is proving less robust. Stimulus attributes (e.g. onsets, transients) thought to have a "wired-in" ability to capture attention automatically have been shown to capture attention only as a consequence of voluntarily adopted task sets. Recent research suggests that practice does not have as dramatic effects as is commonly believed. While it may turn out that some mental operations are automatized in the strongest sense, this may be uncommon. Recent work on task switching is also described; optimal engagement in a task set is proving to be intimately tied to learning operations triggered by the actual performance of a new task, not merely the anticipation of such performance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.psych.52.1.629
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