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  • 1985-1989  (96)
  • 1980-1984  (69)
  • 1930-1934  (16)
  • 1
    Digitale Medien
    Digitale Medien
    Moessbauer study of the kinetics of iron(3+) photoreduction on titanium dioxide semiconductor powders (1985)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 89 (1985), S. 3076-3080 
    Details
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/j100260a025
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  • 2
    Digitale Medien
    Digitale Medien
    Studies of chemical reactivity in the condensed phase. IV. Density dependent molecular dynamics simulations of vibrational relaxation in simple liquids (1988)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 89 (1988), S. 6687-6696 
    Details
    ISSN: 1089-7690
    Quelle: AIP Digital Archive
    Thema: Physik , Chemie und Pharmazie
    Notizen: Molecular dynamics simulations of the photodissociation/recombination process for iodine in liquid xenon at several densities are reported in this paper. These simulations were performed to aid in the understanding and interpretation of recent picosecond experimental investigations on model chemical reaction systems. From these calculations, it was found that geminate recombination occurs primarily within a few picoseconds at all densities considered. This is in agreement with previous molecular dynamics simulations with significantly smaller systems, and with the current interpretation of experimental results. Simulated iodine ground electronic state vibrational relaxation times range from about 1 ns at the lowest density to approximately 250 ps at the highest density reported here. In addition, the functional form of the decay of the average iodine vibrational energy was observed to be nearly independent of density. This result is discussed in terms of simple gas phase isolated binary collision models. Various force correlation functions projected onto the iodine vibrational coordinate were also examined, and indicate that the iodine molecule significantly perturbs the local solvent environment. These force correlation functions may be helpful when assessing the usefulness of liquid phase theories of vibrational relaxation of highly excited molecules. Finally, the simulation results on iodine vibrational relaxation are compared with the available experimental data. These comparisons indicate that the molecular dynamics calculations overestimate the rate of vibrational relaxation over the lower third of the iodine ground electronic state potential surface, and that the efficiency of V–TR transfer, relative to V–V transfer, may have been underestimated. The sensitivity of these results to several system parameters are analyzed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.455341
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  • 3
    Digitale Medien
    Digitale Medien
    Non-consummation of marriage treated by members of the Institute of Psychosexual Medicine: a prospective study (1983)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 90 (1983), S. 0 
    Details
    ISSN: 1471-0528
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Summary. A prospective study of the treatment of unconsummated marriage was carried out by 16 doctors trained by the Institute of Psycho-sexual Medicine. This training stresses the development of skills in using the doctor/patient interaction therapeutically, rather than in the acquisition of knowledge. The 159 couples admitted to the study had a mean duration of symptoms of 4.2 years; 60% of them had consummated by 6 months and 72% by 24 months. Other improvements in sexual function occurred even among those failing to consummate; 135 couples had previously consulted 253 other agents. The average cumulative length of treatment at the 6-month review was 3 h. Partners attending alone did as well as couples who attended together.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1471-0528.1983.tb06762.x
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  • 4
    Digitale Medien
    Digitale Medien
    Childhood dysgraphia. Part 2. A study of hand function (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Child 15 (1989), S. 0 
    Details
    ISSN: 1365-2214
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin , Psychologie
    Notizen: Summary Sixty-six children were studied who had presented to the paediatric neurology service over a 2-year period, because they were failing to make the expected progress in mainstream school. Their parents were interviewed with a structured questionnaire and the children had a full neurodevelopmental examination which included a detailed assessment of hand function. Thirty-nine per cent of the children had a specific dysgraphia and there was a male predominance. The different populations of affected children had distinguishing characteristics. A family history of written language skill difficulties was elicited for most of the children with a developmental spelling dysgraphia, but it was uncommon in the children with an acquired spelling dysgraphia or motor dysgraphia. Slow speech development occurred frequently in developmental and acquired spelling dysgraphic children. Mixed handedness was significantly commoner in dysgraphic children who had acquired problems (P 〈 0·05), whereas handedness in the developmental groups was within the expected normal distribution. Aspects of hand function such as power of hand grip did not distinguish the dysgraphic children. However, children with a spelling or motor dysgraphia had speeds of motor performance on successive finger movements and rapid hand pats outwith the normal range. These simple tests are a useful way of examining pertinent handskill difficulties in dysgraphic children.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2214.1989.tb00612.x
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  • 5
    Digitale Medien
    Digitale Medien
    Asymmetry of gait in normal children demonstrated by polarized light goniometry (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Child 9 (1983), S. 0 
    Details
    ISSN: 1365-2214
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin , Psychologie
    Notizen: Summary Polarized light goniometry recordings were obtained from 46 neurologically normal children aged 4–15 years. Asymmetry in terms of thigh and knee angle differences between right and left legs was common in children aged less than 10 years but uncommon in children aged more than 10 years. This asymmetry was predominantly in the direction of more flexion on the right side. The tendency for goniometric asymmetry to mirror asymmetry on clinical examination was slight and did not reach statistical significance. It is suggested that angular asymmetry during gait which occurs in some children under 10 years of age may be related to unequal rates of maturation of the two hemispheres. Other minor neurological asymmetries, neuro-anatomical asymmetries and postural asymmetries which may be found in normal children are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2214.1983.tb00307.x
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  • 6
    Digitale Medien
    Digitale Medien
    A study of normal baby movements (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Child 13 (1987), S. 0 
    Details
    ISSN: 1365-2214
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin , Psychologie
    Notizen: Summary Summary Twenty-five normal newborns aged between 3 and 6 days had their movements recorded by (a) clinical observation in a controlled environment, (b) chart recording from an automatic movement mattress over 4 hours, and (c) cine photography triggered by the movement mattress. Over 80 different individual types of movement were grouped into six categories: (a) progression movements (obligatory reciprocal movements), (b) symmetrical movements (slower flexion or extension movements), (c) startle movements, (d) asymmetrical tonic neck reflex and ‘Moro’, (e) facial movements and (f) athetoid movements. The normal newborn's motor activity is significantly related to the level of arousal, gestational age, and environmental variables sueh as position, temperature, light and noise.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2214.1987.tb00522.x
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  • 7
    Digitale Medien
    Digitale Medien
    The Occurrence of Highly Unsaturated Fatty Acids in the Oils of Some Common Fowls and in Animal Fats (1934)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 56 (1934), S. 2149-2151 
    Details
    ISSN: 1520-5126
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ja01325a050
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  • 8
    Digitale Medien
    Digitale Medien
    Faradaic electrochemistry at microvoltammetric electrodes (1980)
    s.l. : American Chemical Society
    Analytical chemistry 52 (1980), S. 946-950 
    Details
    ISSN: 1520-6882
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ac50056a040
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  • 9
    Digitale Medien
    Digitale Medien
    Determination of individual organic compounds in shale oil (1980)
    s.l. : American Chemical Society
    Analytical chemistry 52 (1980), S. 1650-1657 
    Details
    ISSN: 1520-6882
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ac50061a027
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  • 10
    Digitale Medien
    Digitale Medien
    Characterization of GaAs grown by metalorganic chemical vapor deposition on Si-on-insulator (1987)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 51 (1987), S. 1188-1190 
    Details
    ISSN: 1077-3118
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: Epitaxial GaAs layers were grown by metalorganic chemical vapor deposition on Si-on-insulator structures formed by high dose oxygen implantation. The quality of the GaAs films was examined as a function of layer thickness (0.01–4 μm). The surface morphology, ion backscattering yield, x-ray diffraction peak width, and Si implant activation efficiency all improve substantially with GaAs thickness. At a film thickness of 4 μm many of these properties are comparable to bulk GaAs, but some cracking of the epitaxial film is evident. Cross-sectional transmission electron microscopy reveals an average defect density of ∼108 cm−2 in the GaAs layer, which is similar to the density in GaAs films grown directly on Si.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.98728
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