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  • 1
    Book
    Book
    Proceedings of ACM SIGCOMM 2004 /; 34.2004,4 (2004)
    New York, NY :ACM Press,
    Details
    Title: Proceedings of ACM SIGCOMM 2004 /; 34.2004,4
    Author: Conference on Computer Communications 〈2004, Portland, Or.〉
    Contributer: Yavatkar, Raj , Association for Computing Machinery / Special Interest Group on Data Communication , ACM SIGCOMM Conference on Computer Communications Portland, Or. 2004.08.30-09.03 , ACM SIGCOMM Conference on Computer Communications Portland, Or. 2004.08.30-09.03 , Annual SIGCOMM Conference Portland, Or. 2004.08.30-09.03
    Publisher: New York, NY :ACM Press,
    Year of publication: 2004
    Pages: X, 392 S. : , graph. Darst.
    Series Statement: Computer communication review 34.2004,4
    Type of Medium: Book
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Respiratory activity in the marine cyanobacterium Spirulina subsalsa and its role in salt tolerance (1992)
    Springer
    Archives of microbiology 157 (1992), S. 183-190 
    Details
    ISSN: 1432-072X
    Keywords: Respiration ; Cytochrome oxidase ; H+-Pumps ; Na+-Translocation ; Osmoregulation ; Spirulina subsalsa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Intracellular ion concentration and respiratory activity in the marine cyanobacterium Spirulina subsalsa was analyzed during cell transition from saline to hypersaline medium. During salt upshock, an early phase of Na+ and Cl- influx was observed, followed by an adaptation phase where both Na+ and Cl- were excluded from the cell. Respiration in intact cells was enhanced during salt upshock. S. subsalsa spheroplasts exhibited a high rate of O2 uptake, which was further enhanced in cells grown in hypersaline medium, upon addition of NaCl to the assay mixture. This effect was found to be specific to sodium ions. Plasma membrane fractions from cells grown in hypersaline medium exhibited a high rate of cytochrome oxidase activity, which was further stimulated by NaCl, and was sensitive to DCCD. Immunoblot analysis of Spirulina plasma membrane polypeptides with anti-cytochrome oxidase serum demonstrated high content of 53.4 kDa polypeptide of cytochrome oxidase, which was enriched in membranes obtained from hypersaline Spirulina cells. The enhanced respiration, and more specifically the enrichment of cytochrome oxidase activity in salt-adapted cells in situ, as well as its stimulation by NaCl in vitro and inhibition by DCCD, suggest that cytochrome oxidase is involved in the extrusion of sodium ions from cells of the salt-tolerant Spirulina subsalsa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00245288
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  • 3
    Electronic Resource
    Electronic Resource
    Cysteine alkylation in unprotected peptides: synthesis of a carbavasopressin analog by intramolecular cysteine alkylation (1991)
    s.l. : American Chemical Society
    The @journal of organic chemistry 56 (1991), S. 3146-3149 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo00009a040
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Improvements in the minimum binding sequence of C5a: examination of His-67 (1992)
    s.l. : American Chemical Society
    Journal of medicinal chemistry 35 (1992), S. 402-406 
    Details
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jm00080a030
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Mode coupling in lead zirconate titanate/epoxy 1–3 piezocomposite rings (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 90 (2001), S. 4122-4129 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Lead zirconate titanate (PZT)/epoxy 1–3 piezocomposite rings were fabricated with PZT volume fractions φ ranging from 0.82 to 0.94 and with a small epoxy width of 77 μm in order to investigate their resonance characteristics and to reveal the mode coupling. Four major resonance modes were observed, namely the coupled longitudinal-thickness fH and lateral fL1 and fL2 mode resonances of individual PZT elements inside the rings as well as the radial fR and wall-thickness fW mode resonances of the whole rings. No stopband resonances were observed in the frequency range of 1 to 10 MHz. fH was found to increase linearly with the decrease in element height while fL1 and fL2 remained constant. When the height and width of the elements became comparable, coupling of fH with fL1 and fL2 occurred. The observed fH, fL1, and fL2 for all samples agreed with those calculated by the mode-coupling theory. fR and fW were almost independent of the ring thickness but increased as φ increased. A guide of operating fH in the rings without causing mode coupling was presented to optimize the composite structure for transducer design. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1405139
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  • 6
    Electronic Resource
    Electronic Resource
    Job Securityand Product Market Competition (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of economics & management strategy 1 (1992), S. 0 
    Details
    ISSN: 1530-9134
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: In the present paper, we relate the extent of job security offered to incumbent managers to the extent of competition among firms in the product market, where the extent of job security is measured by the probability that an incumbent manager continues to be employed by his current firm and the extent of competition is measured by the degree of differentiation between competing brands. We demonstrate that when competition between firms intensifies and “on-the-job training” is relatively more conducive to reducing the variable costs of production, firms tend to offer reduced (increased) job security to incumbent managers, provided that the degree of differentiation between competing products is sufficiently large (small), respectively. If “on-the-job training” is relatively more conducive to reducing the fixed costs of production, however, the previous result is reversed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1430-9134.1992.00313.x
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  • 7
    Electronic Resource
    Electronic Resource
    Mergers and Exclusionary Practices in Health Care Markets (1999)
    Oxford, UK : Blackwell Publishing Ltd.
    Journal of economics & management strategy 8 (1999), S. 0 
    Details
    ISSN: 1530-9134
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: We evaluate the relationship between insurers (payers) and providers of health care (hospitals) when they each have a nonnegligible share of the market. We focus in particular on their incentives to merge and the existence of equilibria where payers offer preferential treatment to a subset of hospitals. We demonstrate that hospitals are more likely to merge without consolidating their capacities the less competitive they are vis-à-vis the payer's market. Payers are more likely to merge without consolidating their capacities the less competitive either the hospitals' or the payers' market is. A given payer follows an exclusionary strategy when its starting bargaining position vis-à-vis hospitals is weak. At such exclusionary equilibria, payers tend to distinguish themselves from neighboring payers by contracting with a different subset of hospitals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1430-9134.1999.00315.x
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Minimum Differentiation in Commercial Media Markets (2003)
    Oxford, UK : Blackwell Publishing Ltd.
    Journal of economics & management strategy 12 (2003), S. 0 
    Details
    ISSN: 1530-9134
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: We examine a model of locational choice in commercial media markets. Commercial media (stations) compete for audiences with their choice of programming variety in order to attract advertising revenues from advertisers. These advertisers (producers) compete in a differentiated product market and rely on advertising to inform consumers about their product. We use the model to show that media have incentives to minimize the extent of differentiation between them. This incentive is an implication of the assumed role of advertising as information and as an ultimate nuisance to the audience. When stations minimally differentiate their programming offerings, producers choose lower levels of advertising. Consequently, lower levels of product information are available to consumers, permitting producers to gain higher margins on product sales. As a result, stations can negotiate higher payments for advertising space.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1430-9134.2003.00291.x
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Excessive Investment in Hospital Capacities (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of economics & management strategy 3 (1994), S. 0 
    Details
    ISSN: 1530-9134
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: In the present study I identify an inherent characteristic of health care markets that may lead to excessive investment by hospitals even when compensated according to a prospective reimbursement rule. It is demonstrated that the stochastic nature of the demand for medical services combined with the lumpiness of investment decisions may give rise to excessive investment when multiple hospitals select independently their levels of capacities. The source for the excessive incentives to invest is the difficulty of one hospital to internalize properly the externality generated by its investment decisions. Such an externality arises because when one hospital expands its capacity, it is more likely to be able to serve not only patients residing in its region but patients residing in neighboring regions as well.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1430-9134.1994.00053.x
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  • 10
    Electronic Resource
    Electronic Resource
    Exclusionary Equilibria in Health-Care Markets (1997)
    Oxford, UK : Blackwell Publishing Ltd.
    Journal of economics & management strategy 6 (1997), S. 0 
    Details
    ISSN: 1530-9134
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: We have demonstrated that when providers of health insurance are perceived to be differentiated by consumers, circumstances may arise under which they find it advantageous to restrict the set of health-care providers that they approve to their customers. Even if all health-care providers are equally qualified and efficient, payers may choose to contract with a selected subset of them in order to secure more favorable contract terms. Moreover, in a concentrated health-care market that consists of two health insurance companies (payers) and two health-care providers (hospitals), both payers may choose to contract with only one of the hospitals while excluding the other completely from the market. When consumers' valuation of an extended choice of providers is small in comparison with the extent of differentiation that exists between the payers, such an exclusionary outcome is the unique equilibrium of the game.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1430-9134.1997.00005.x
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