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  • 2005-2009  (4)
  • 2000-2004  (24)
  • 1945-1949  (7)
  • 1
    Electronic Resource
    Electronic Resource
    Observation of magnetic gradients in stainless steel with a high-Tc superconducting quantum interference device microscope (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 89 (2001), S. 1977-1982 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Superconducting quantum interference device (SQUID) microscopes may serve as useful nondestructive evaluation (NDE) tools since they can precisely measure the local magnetic field variation that can be related to the characteristics of ferromagnetic materials. To demonstrate this, we have studied magnetic functionally graded materials (FGMs) in the Fe–Cr–Ni alloy system using a high-transition-temperature (HTc) SQUID microscope. The FGMs were either fabricated by inhomogeneous mechanical deformation or by heat treatment in a temperature gradient. The magnetic properties of these materials were measured using the vibrating sample magnetometer technique along the deformation or the temperature gradients. The results from this technique and the microstructural properties from optical imaging are discussed in conjunction with the magnetic field images obtained from the SQUID microscope. By exploring the results, the feasibility and benefit of utilizing SQUID microscopy as a NDE tool are discussed. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1334637
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  • 2
    Electronic Resource
    Electronic Resource
    Sun protection initiatives in Cornwall (2005)
    Oxford, UK : Blackwell Science Ltd
    Clinical and experimental dermatology 30 (2005), S. 0 
    Details
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Recent evidence indicates that there are significant numbers of cases of malignant melanoma in the UK. In order to assess the current position with regard to sun awareness in Cornwall, a questionnaire survey of all state primary school heads (n =123) and a survey of a random sample of GP practices (n = 9) was carried out. The data obtained were supported by visits to libraries and Tourist Information Centres at urban and rural centres − this enabled the identification of sun awareness literature. Key health professionals who worked within the field of health promotion were also contacted. The findings showed that in Cornwall public campaigns organized around the issue of sun protection took place only sporadically, although GP surgeries usually organize a display at the appropriate time of the year. None of the public places (e.g. Tourist Information Centres, libraries) surveyed had sun protection messages on display. It is concluded that insufficient sun awareness initiatives were being undertaken in Cornwall. Although most primary schools included sun awareness education in their curriculum in a form based on the Sun Awareness Guidelines produced by the Department of Health in 1995, few schools considered further measures to protect pupils on hot and sunny days. In particular the provision of shade, the scheduling of outdoor activities and the use of sunscreen and protective clothing were not standard.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2230.2005.01841.x
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  • 3
    Electronic Resource
    Electronic Resource
    Equilibrium Studies on N-Chloro Compounds. I. The Ionization Constant of N-Chloro-p-toluenesulfonamide1 (1948)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 70 (1948), S. 2036-2041 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01186a016
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  • 4
    Electronic Resource
    Electronic Resource
    The Mechanism of the Hydrolysis of Chlorine (1946)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 68 (1946), S. 1692-1694 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01213a003
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  • 5
    Electronic Resource
    Electronic Resource
    A PATHOLOGIST'S ODYSSEY (2006)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Pathology: Mechanisms of Disease (2006) 1 (2006), S. 1-22 
    Details
    ISSN: 1553-4006
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine
    Notes: I am honored to write the prefatory chapter for the inaugural volume of the Annual Review of Pathology: Mechanisms of Disease. This publishing venture signals that pathology takes its rightful place alongside the other biomedical sciences. I thought it may be of interest to some to delineate how a circuitous path led me into a career in experimental pathology and to give some of the flavor of a past era in experimental approaches. Thus, my title.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pathol.1.110304.100140
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  • 6
    Electronic Resource
    Electronic Resource
    Quantitative in situ nanoindentation in an electron microscope (2001)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 79 (2001), S. 1625-1627 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We report the development of a method for quantitative, in situ nanoindentation in an electron microscope and its application to study the onset of deformation during the nanoindentation of aluminum films. The force–displacement curve developed shows the characteristic "staircase" instability at the onset of plastic deformation. This instability corresponds to the first appearance of dislocations in a previously defect-free grain. Plastic deformation proceeds through the formation and propagation of prismatic loops punched into the material, and half loops that emanate from the sample surface. These results represent the first real time observations of the discrete microstructural events that occur during nanoindentation. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1400768
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  • 7
    Electronic Resource
    Electronic Resource
    Spo0A directly controls the switch from acid to solvent production in solvent-forming clostridia (2000)
    Oxford, UK : Blackwell Science Ltd
    Molecular microbiology 37 (2000), S. 0 
    Details
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The spo0A genes of Clostridium beijerinckii NCIMB 8052 and Clostridium cellulolyticum ATCC 35319 were isolated and characterized. The C-terminal DNA-binding domains of the predicted products of spo0A from these two organisms, as well as 16 other taxonomically diverse species of Bacillus and Clostridium, show extensive amino acid sequence conservation (56% identity, 65% similarity over 104 residues). A 12-amino-acid motif (SRVERAIRHAIE) that forms the putative DNA recognition helix is particularly highly conserved, suggesting a common DNA target. Insertional inactivation of spo0A in C. beijerinckii blocked the formation of solvents (as well as spores and granulose). Sequences resembling Spo0A-binding motifs (TGNCGAA) are found in the promoter regions of several of the genes whose expression is modulated at the onset of solventogenesis in Clostridium acetobutylicum and C. beijerinckii. These include the upregulated adc gene, encoding acetoacetate decarboxylase (EC 4.1.1.4), and the downregulated ptb gene, encoding phosphotransbutyrylase (EC 2.3.1.c). In vitro gel retardation experiments using C. acetobutylicum adc and C. beijerinckii ptb promoter fragments and recombinant Bacillus subtilis and C. beijerinckii Spo0A suggested that adc and ptb are directly controlled by Spo0A. The binding affinity was reduced when the 0A boxes were destroyed, and enhanced when they were modified to conform precisely to the consensus sequence. In vivo analysis of wild-type and mutagenized promoters transcriptionally fused to the gusA reporter gene in C. beijerinckii validated this hypothesis. Post-exponential phase expression from the mutagenized adc promoter was substantially reduced, whereas expression from the mutagenized ptb promoter was not shut down at the end of exponential growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2958.2000.02071.x
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  • 8
    Electronic Resource
    Electronic Resource
    The Elusive Market: Privatization, Politics and State–Enterprise Reform in China (2002)
    Oxford, UK and Boston, USA : Blackwell Publishers Ltd
    British journal of management 13 (2002), S. 0 
    Details
    ISSN: 1467-8551
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Although China’s largest state–owned enterprises (SOEs) are destined to remain state–owned for the immediate future, recent reforms have affected these SOEs’ property rights and ownership structures. Moreover, the government’s insistence that privatization is not implied by present reform programmes is increasingly contradicted by actual developments and managers’ attitudes at the enterprise level. This article explores some of the political and organizational tensions created by this present phase of SOE reform.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1467-8551.00239
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  • 9
    Electronic Resource
    Electronic Resource
    Rapid sequence induction: a national survey of practice (2001)
    Oxford, UK : Blackwell Science Ltd
    Anaesthesia 56 (2001), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We performed a national postal survey exploring anaesthetists' practice in rapid sequence induction. All respondents used pre-oxygenation, although the technique employed, and its reliability, varied. Thiopental and succinylcholine, given after waiting for signs of loss of consciousness, were the most widely used drugs for rapid sequence induction. Propofol and rocuronium were used by more than a third of respondents, and most respondents (75%) also routinely administered an opioid. Cricoid pressure was used universally but the practice of its application varied widely. The commonest aids used if intubation was difficult were the gum elastic bougie, the long laryngoscope blade and the laryngeal mask. After failed intubation, approximately half of respondents would maintain the supine position. Failure to intubate at rapid sequence intubation had been seen by 45% of respondents but harm was uncommon. In contrast, 28% had seen regurgitation, which frequently led to considerable harm and to three deaths. In spite of this, practice of a failed intubation drill was uncommon (15%) and anaesthetic assistants were rarely known to practice application of cricoid pressure. Consultants were less likely than trainees to use rocuronium as a muscle relaxant, and more likely to choose morphine if administering an opioid. They were less likely to practice a failed intubation drill. Other aspects of practice varied little between grades. This survey suggests that many anaesthetists do not follow best practice when performing a rapid sequence induction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.2001.01962.x
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  • 10
    Electronic Resource
    Electronic Resource
    MINIMIZING COLOR DEGRADATION IN BLUSH WINES (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food quality 26 (2003), S. 0 
    Details
    ISSN: 1745-4557
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Minimization of color degradation in blush wines was investigated. Cabernet Sauvignon wines produced with sulfur dioxide (SO2) at different levels (0, 30, 60, and 120 mg/L) added at crush and bottling were evaluated during 12 months of storage at 16C. Addition of SO2 at crush did not affect browning (absorbance at 420 nm) but increased red color (absorbance at 520 nm). As SO2 levels at bottling increased, browning and red color decreased. Prefermentation treatments (hyperoxidation, nitrogen sparging, and SO2 addition) and tannic acid addition at bottling in Cabernet Sauvignon, Delaware, and Noble blush wines stored at 16 and 37C were evaluated. Prefermentation treatments did not affect red color. Browning differences were observed in Cabernet Sauvignon but not in Delaware and Noble wines. In blush wines from all cultivars, as tannic acid levels increased, browning and red color increased. The prefermentation treatments can be used to minimize color degradation in the cultivars evaluated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-4557.2003.tb00253.x
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