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  • Electronic Resource  (10)
  • 1990-1994  (8)
  • 1965-1969  (1)
  • 1945-1949  (1)
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  • Electronic Resource  (10)
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  • 1
    Electronic Resource
    Electronic Resource
    Reaction of Paraffin Hydrocarbons with Phosphorus Trichloride and Oxygen to Produce Alkanephosphonyl Chlorides (1948)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 70 (1948), S. 3880-3882 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01191a103
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Controls of porphyrin concentrations of Pennsylvanian organic-rich shales, western U.S.A (1990)
    s.l. : American Chemical Society
    Energy & fuels 4 (1990), S. 644-646 
    Details
    ISSN: 1520-5029
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ef00024a004
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  • 3
    Electronic Resource
    Electronic Resource
    A LIKELIHOOD APPROACH TO HLA SEROLOGY (1992)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 19 (1992), S. 0 
    Details
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: A likelihood approach to HLA serology has been developed in which the aim is not to define a recognition set for a serum but to describe the serum's ability to react with each and every antigen in the test cells, this ability being quantified in terms of the probability of a positive reaction. For a given set of probabilities, one for each antigen, it is possible to derive the probability of the observed set of reactions (the likelihood of the set of probabilities). The maximum possible value of the likelihood for any possible combination of the probability set can then be sought, but this requires a maximization of likelihood with respect to 60–100 independent parameters. Theoretical considerations of the shape of the likelihood surface prove that, in this particular case, this is a feasible proposition.This approach allows the recognition of three groups of antigens: those for which there is considerable evidence of a specificity, those for which there is either no specificity or a very weak specificity, and those for which there is insufficient evidence on which to base a conclusion. The existence of a specificity can be tested using a log likelihood ratio as a statistic, but the usual assumption of a χ2 distribution of this statistic cannot automatically be made in this situation. Therefore, the distribution is estimated by simulation.A serologist using this approach would receive considerably more information as to the serum's reaction patterns and valid statistics for the existence, or not, of a specificity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1744-313X.1992.tb00074.x
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  • 4
    Electronic Resource
    Electronic Resource
    THE FATIGUE RESISTANCE OF PEENED 7050-T7451 ALUMINIUM ALLOY—REPAIR AND RE-TREATMENT OF A COMPONENT SURFACE (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 17 (1994), S. 0 
    Details
    ISSN: 1460-2695
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract— Metal and glass-bead peening treatments, widely used throughout the aircraft industry to enhance the fatigue performance of many steels and titanium alloys, are now being routinely applied to high-strength aluminium-alloy components. This paper describes the effects of peening on the fatigue life of 7050 aluminium alloy material, which is representative of alloys used for many components in modern military aircraft. Using simulated service loading, two proposed peening/re-peening procedures were evaluated and compared with both the original peened surface and a simple hand-polished surface. The results show that optimisation of peening parameters to reduce surface damage can provide a substantial improvement in fatigue life over both the original peening treatment and the polished surface treatment, however, poor control of peening procedures, or unnecessary “overpeening” can lead to a relatively poor fatigue life. For re-peened surfaces, a procedure incorporating a polishing step, designed to repair any damage from the severe peening applied initially, gave the best fatigue performance. Results are discussed in relation to the stability of the residual surface stresses under fatigue loading, the surface roughness, and the number and types of defects introduced by the peening treatments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-2695.1994.tb00226.x
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  • 5
    Electronic Resource
    Electronic Resource
    Target isotope effect in high energy photon production atE/A=10 MeV (1993)
    Springer
    The European physical journal 347 (1993), S. 67-70 
    Details
    ISSN: 1434-601X
    Keywords: 25.20.Lj
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A comparison has been made between the production of high energy (E γ≧30 MeV)γ rays from the bombardment of124Sn and112Sn targets withE/A= 10 MeV12C ions. The results are well explained by then-p bremsstrahlung model and do not indicate the need for any new processes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01301279
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  • 6
    Electronic Resource
    Electronic Resource
    A new polymorphism of thyroxin-binding globulin in three African groups (Mali) with endemic nodular goitre (1992)
    Springer
    Human genetics 〈Berlin〉 89 (1992), S. 199-203 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The thyroxin-binding globulin (TBG) polymorphism was investigated in three African groups: two belonged to the Bwa villages of Mali, and the third was a Dogon group living in the same area. The Bwa groups were characterized by the occurrence of nodular goitres, whereas the Dogon population did not show similar pathological symptoms. Females were more affected by goitre than males in the affected villages. The TBG polymorphism enabled us to demonstrate the presence of an undescribed allele (TBG C1) in these populations. The frequency of the TBG S allele was also higher than previously published in other African groups. We observed a disequilibrium in the distribution of the C and S alleles in the population, with an excess of homozygous TBG S individuals. No clear relationship between the TBG polymorphism and the number of nodules can be drawn.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00217123
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  • 7
    Electronic Resource
    Electronic Resource
    TCRB-V gene usage in monozygotic twins discordant for multiple sclerosis (1994)
    Springer
    Immunogenetics 39 (1994), S. 281-285 
    Details
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00188792
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Molecular genetics of chimpanzee Rh-related genes: Their relationship with the R-C-E-F blood group system, the chimpanzee counterpart of the human rhesus system (1994)
    Springer
    Biochemical genetics 32 (1994), S. 201-221 
    Details
    ISSN: 1573-4927
    Keywords: Rh-related gene ; R-C-E-F system ; molecular genetics ; Southern blot ; phylogeny ; sequences
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract As the chimpanzee R-C-E-F blood group system appears to be the chimpanzee counterpart of the human Rhesus (RH) system, we have tried to determine whether chimpanzee Rh-like genes encode R-C-E-F-related proteins. Chimpanzee genomic DNA, digested by any of eight endonucleases and hybridized with three Rh exon-specific probes, exhibits a high degree of polymorphism. Analysis of DNA from unrelated individuals of different R-C-E-F types revealed that the presence of some restriction fragments is correlated with particular R-C-E-F types. The cosegregation of these fragments with R-C-E-F haplotypes was confirmed by family studies. Oligonucleotides complementary to regions flanking human exons were used as PCR primers on chimpanzee DNA; the resulting amplified fragments were identical in size to their human counterparts. Moreover, the nucleotide sequences of the fragments present a high degree of similarity to the corresponding human regions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00554623
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Brownian dynamics of sterically-stabilized colloidal suspensions (1994)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 40 (1994), S. 283-293 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Using Brownian dynamics, equilibrium and dynamic properties are calculated for colloidal suspensions that are stabilized throug the Milner, Witten and Cates (1988) steric potential. Results are reported for osmotic pressure, radial distribution functions, static structure factors, and self-diffusion coefficients. The sterically-stabilized systems are also approximated by equivalent hard spheres, with good agreement for osmotic pressure and long-range structure. The suitability of the potential to model the behavior of a real system is explored by comparing static structure factors calculated from Brownian dynamics simulations to those measured using SANS (Markovic et al., 1986). Finally, the effects of Hamaker and hydrodynamic forces on calculated properties are investigated.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690400208
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  • 10
    Electronic Resource
    Electronic Resource
    Reactivity of cotton after treatment in alkaline and acid swelling agents (1969)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 13 (1969), S. 1037-1048 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The reactivity of scoured Acala 4-42 cotton before and after treatment with alkaline and acid swelling agents has been assessed by a number of methods. It is shown that the reactivity depends more on the type of swelling, whether it is interfibrillar or intrafibrillar, than on the degree of swelling achieved. Furthermore, the reactivity of the treated cotton depends on whether the reaction is carried out in a nonswelling or a swelling medium. Thus high intrafibrillar swelling can lead to a loss in reactivity of the treated cotton if the subsequent reaction takes place in a medium incapable of swelling the treated cotton, on the other hand, interfibrillar swelling can lead to an increase in reactivity in the same reaction mixture.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1969.070130518
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