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  • 1
    Electronic Resource
    Electronic Resource
    Hugoniot data for iron (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 88 (2000), S. 5496-5498 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A definitive set of the Los Alamos Hugoniot data for iron in a pressure regime extending to 442 GPa is given. Earlier standards data, obtained using conventional explosive systems, were thoroughly reprocessed. All original film records were reread. On the basis of more recent experiment and theory, some data were culled because the experimental designs were found to be insufficiently conservative. The analysis was also modified to take into account preheating of the explosively driven flyer plates. Minor clerical errors in transcription of measurements were corrected. An improved algorithm for the flash-gap time correction was incorporated. Higher-pressure data were obtained using a conventional 13-pin target assembly on a two-stage light gas gun. Several polynomial representations of the data are given. A linear fit to the data (Us=3.935+1.578 Up, where the shock velocity Us and the particle velocity Up are in km/s) has a root-mean-square misfit of 62 m/s. The quadratic fit (Us=3.691+1.788 Up−0.038 Up2) has a root-mean-square misfit of 39 m/s. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1319320
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  • 2
    Electronic Resource
    Electronic Resource
    Sources of resistance to septoria tritici blotch and implications for wheat breeding (2004)
    Oxford, UK : Blackwell Science Ltd
    Plant pathology 53 (2004), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Twenty-four wheat cultivars and breeding lines were screened for isolate-specific resistance to septoria tritici blotch (STB) caused by 12 isolates of Mycosphaerella graminicola. New isolate-specific resistances that could be used in wheat breeding were identified. Major sources of resistance to STB used in world breeding programmes for decades, such as Kavkaz-K4500, Veranopolis, Catbird and TE9111, have several isolate-specific resistances. This suggests that ‘pyramiding’ several resistance genes in one cultivar may be an effective and durable strategy for breeding for resistance to STB in wheat. Several cultivars, including Arina, Milan and Senat, had high levels of partial resistance to most isolates tested as well as isolate-specific resistances. Resistance to isolate IPO323 was common, present in all but one of the major sources of resistance tested. This suggests that resistance to IPO323 may be an indicator of varietal resistance to STB in the field.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.2004.01052.x
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  • 3
    Electronic Resource
    Electronic Resource
    The ECG pad lottery – it could be you! (2000)
    Oxford, UK : Blackwell Science Ltd
    Anaesthesia 55 (2000), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2044.2000.01425-36.x
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  • 4
    Electronic Resource
    Electronic Resource
    The accuracy of the pseudopotential approximation. III. A comparison between pseudopotential and all-electron methods for Au and AuH (2000)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 113 (2000), S. 7110-7118 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The quality of the pseudopotential approximation has been tested thoroughly by calculating spectroscopic properties of the gold atom and ground state AuH for eight different effective core potentials using Hartree–Fock, second-order Møller–Plesset and coupled cluster methods. The pseudopotential valence basis set {cursive-phi}v for Au was chosen to be identical for all pseudopotentials, a subset of the all-electron basis set {cursive-phi}v⊂{cursive-phi}AE, and the condition was applied that all sets are of near basis set limit quality. The pseudopotential results are compared with data obtained from nonrelativistic, scalar relativistic Douglas–Kroll and fully relativistic four-component all-electron calculations. The variation between the results obtained for all valence electron small-core pseudopotentials and all electron Douglas–Kroll calculations is found to be small (for the Stuttgart pseudopotential Δre=0.001 Å, ΔDe=0.03 eV, Δωe=9 cm−1, Δμe=0.04 D). Sizable differences to all electron results are only found for the 11 valence electron large-core pseudopotentials. The effects of the basis set superposition error on spectroscopic constants were investigated. Calculated coupled cluster electron affinities and ionization potentials for gold and spectroscopic properties for AuH were found to be in excellent agreement with available experimental data. The variation between the different small-core pseudopotentials for one particular spectroscopic property is shown to be less than the error due to the incompleteness of electron correlation procedure or the basis set and approximately of the same size as the basis set superposition error. The results show that scalar relativistic effects for valence properties are perfectly described by the pseudopotential approximation. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1313556
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  • 5
    Electronic Resource
    Electronic Resource
    Growth and survival of juvenile yellowtail flounder Pleuronectes ferrugineus (Storer) under different photoperiods (2000)
    Oxford, UK : Blackwell Science Ltd
    Aquaculture research 31 (2000), S. 0 
    Details
    ISSN: 1365-2109
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Yellowtail flounder Pleuronectes ferrugineus (Storer) have been identified as a potential species for coldwater aquaculture along the north-east coast of Canada. It has been shown that increased photoperiods improve growth and survival during the larval stage of this species. We conducted two experiments to determine the effect of photoperiod on the growth and survival of juveniles. The first experiment compared growth and survival under 24-, 18- and 12-h lighting per day with a restricted food ration. The second experiment compared growth and survival rates under the above photoperiods and ambient lighting with fish being fed to satiation. No significant differences in growth or survival were found in juveniles under the different photoperiods in either experiment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2109.2000.00480.x
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  • 6
    Electronic Resource
    Electronic Resource
    Combined Spinal-Epidural versus Epidural Analgesia in Labour (2004)
    Oxford, UK; Malden, USA : Blackwell Science Inc
    Birth 31 (2004), S. 0 
    Details
    ISSN: 1523-536X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0730-7659.2004.0278.x
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  • 7
    Electronic Resource
    Electronic Resource
    Achieving early surgery for undescended testes: quality improvement through a multifaceted approach to guideline implementation (2004)
    Oxford, UK : Blackwell Science Ltd
    Child 30 (2004), S. 0 
    Details
    ISSN: 1365-2214
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Psychology
    Notes: Background  Surgery for undescended testes is recommended before the age of 2 years. However, boys are still undergoing surgery for undescended testes at a much later age than recommended.Methods  An initial audit reviewed all orchidopexies performed at Northampton General Hospital between 1992 and 1994. This demonstrated that only 19% of boys had surgery by the age of 2 years, and the key reason for late surgery was late referral. Guidelines for referral of undescended testes were established in which referral to a surgeon was advised following the 8-month child health surveillance check if undescended testis was suspected. This would enable surgery before the age of 2 years. Audit results were disseminated and we implemented a package of measures based on evidence based change management techniques. These included written advice to general practitioners (GPs), a parent information leaflet and an amended personal child health record advising timing of referral. A reminder to the GP to refer following the 8-month check was generated using computer recall from the Child Health System records. Guideline implementation was monitored by annual audit and feedback.Results  The baseline audit for the years 1992–94 found a median age at surgery of 4 years. Implementation of the new policies in 1998 resulted in a reduction in median age at surgery to 2.0 years in the 12 months ending September 2001.Conclusions  While concern about the age at orchidopexy has been highlighted in many previous studies, this is the first to show that improvement in the age at orchidopexy can be achieved. Implementing locally agreed guidelines with written information to GPs and parents combined with computerized recall from Child Health System records achieved the target within 3 years. Similar systems could be implemented nationally at minimal cost.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2214.2003.00398.x
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of increased flow on the behaviour of Atlantic salmon parr in winter (2004)
    Oxford, UK; Malden, USA : Blackwell Science Ltd
    Journal of fish biology 65 (2004), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The effect of increased flow on movement and microhabitat use of Atlantic salmon Salmo salar parr in winter was investigated using radiotelemetry. To simulate hydropeaking operations, flow was increased four-fold from 1·3 m3 s−1 to 5·2 m3 s−1 for 24 h periods. Flow did not affect fish habitat use or displacement and had little effect on fish activity within diel periods. During high flow periods in late winter, fish reduced night-time activity. Stranding rates during flow reduction were also very low (only one fish).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0022-1112.2004.00516.x
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  • 9
    Electronic Resource
    Electronic Resource
    Substance P induction of murine keratinocyte PAM 212 interleukin 1 production is mediated by the neurokinin 2 receptor (NK-2R) (2000)
    Copenhagen : Munksgaard International Publishers
    Experimental dermatology 9 (2000), S. 0 
    Details
    ISSN: 1600-0625
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: The neurological system plays an important role in modulating some inflammatory skin diseases. Neuro-cutaneous interactions may be mediated by the release of neuropeptides such as substance P (SP) which activate immunocompetent cells in the skin by binding to high affinity neurokinin receptors (NKR). Since epidermal keratinocytes produce a variety of cytokines and are intimately associated with cutaneous sensory fibers, we tested the ability of these cells to participate in the cutaneous neuroimmune system by the secretion of potent cytokines such as interleukin 1 (IL-1) in response to released SP. RT-PCR studies demonstrated that cultured PAM 212 murine keratinocytes expressed mRNA for NK-2R but not NK-1R. Correspondingly, the addition of SP to these cells resulted in a rapid increase in intracellular Ca2+ levels that could be specifically blocked by an NK-2R antagonist. NK-2R was also shown in normal mouse epidermis by immunohistochemistry. SP augmented the expression of PAM 212 keratinocyte IL-1α mRNA in a dose and time dependent manner and this induction was inhibited by an NK-2R antagonist. Secretion of bioactive IL-1α by the PAM 212 keratinocytes was likewise stimulated by SP in a dose dependent manner. These data support the hypothesis that SP released from cutaneous sensory nerves contributes to neuroimmune inflammatory responses in the skin by modulating the expression and release of cytokines from epidermal keratinocytes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0625.2000.009001042.x
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  • 10
    Electronic Resource
    Electronic Resource
    The role of MRI in screening for neurogenic hypertension (2000)
    Springer
    Neuroradiology 42 (2000), S. 99-103 
    Details
    ISSN: 1432-1920
    Keywords: Key words Hypertension arterial ; Medulla oblongata ; Compression ; Neurovascular ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Neurovascular compression (NVC) of the left ventrolateral medulla (VLM) has been implicated as a cause of essential hypertension. We investigated whether high-resolution MRI of the posterior cranial fossa could identify patients with essential hypertension who may benefit from surgery. A retrospective analysis of imaging and clinical records from 162 patients was performed. There were 38 patients with essential hypertension and 124 who were normotensive. Contact or compression of the VLM was present in 42.1 % (16/38) of the hypertensive group on the left and 47.3 % (18/38) on the right. In the normotensive group it was seen in 32.2 % (40/124) on the left and 26.6 % (33/124) on the right. There was no significant difference between the hypertensive and control groups with regard to contact or compression of the left VLM. The results support the contention that neurovascular compression (NVC) of the left or right VLM is a common finding on MRI in normotensive individuals. We therefore believe that high-resolution MRI cannot be used as a screening tool to identify patients who may benefit from surgery.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050023
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