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  • 1
    Electronic Resource
    Electronic Resource
    Specificity of cotranslational amino-terminal processing of proteins in yeast (1987)
    s.l. : American Chemical Society
    Biochemistry 26 (1987), S. 8242-8246 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00399a033
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  • 2
    Electronic Resource
    Electronic Resource
    Three-phase solid-liquid-vapor equilibriums of the binary hydrocarbon systems methane-n-octane and methane-cyclohexane (1977)
    s.l. : American Chemical Society
    Journal of chemical & engineering data 22 (1977), S. 419-421 
    Details
    ISSN: 1520-5134
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/je60075a011
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  • 3
    Electronic Resource
    Electronic Resource
    Three-phase solid-liquid-vapor equilibriums of binary-n-alkane systems (ethane-n-octane, ethane-n-decane, ethane-n-dodecane) (1976)
    s.l. : American Chemical Society
    Journal of chemical & engineering data 21 (1976), S. 360-362 
    Details
    ISSN: 1520-5134
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/je60070a012
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Fabrication of Field Emission Cathode by Spraying Multiwalled Carbon Nanotubes on Screen Printed Substrate (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 121-123 (Mar. 2007), p. 247-250 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/23/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.121-123.247.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Night irradiance and synchronization of lunar release of planula larvae in the reef coral Pocillopora damicornis (1985)
    Springer
    Marine biology 88 (1985), S. 167-174 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Pocillopora damicornis (Linnaeus), which is known to release planula larvae on a monthly cycle, was grown in full daytime solar irradiance, but with four treatments of night irradiance: (1) natural night irradiance, (2) shifted-phase (total darkness during nights of full moon with artificial irradiance at lunar intensity on nights of new moon), (3) constant full moon (full lunar irradiance every night), and (4) constant new moon (total darkness every night). The reproductive cycle of the corals held in the “shifted-phase” treatment moved out of synchrony with the cycle of corals exposed to a natural lunar cycle of night irradiance. Two previously described “types” of P. damicornis were tested. The “Type Y” normally start releasing larvae at full moon, with peak production at third quarter. In the shifted-phase treatment they began releasing planulae at new moon (artificial full moon), with peak production at first quarter. The “Type B” corals, that normally start releasing planulae at new moon with peak production at first quarter, began to release planulae at full moon (artificial new moon), with peak production at third quarter. Populations of corals grown either in the constant full moon or constant new moon treatment quickly lost synchronization of monthly larva production, although production of planulae continued. Thus spawning is synchronized by night irradiance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00397164
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  • 6
    Electronic Resource
    Electronic Resource
    Synthesis of rhodanine-bonded silica gel and its application in the preconcentration and separation of noble metals (2000)
    Springer
    Fresenius' journal of analytical chemistry 366 (2000), S. 816-820 
    Details
    ISSN: 1432-1130
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A silica gel based sorbent containing rhodanine as functional group (RDSG) was prepared. Its adsorption and separation characteristics for Ag(I), Au(III) and Pd(II) were studied by flow-injection (FI) on-line preconcentration. Influence of different experimental parameters such as acidity, eluent, co-existing ions were investigated. Trace amounts of Ag, Au and Pd could be efficiently adsorbed by rhodanine-bonded silica gel from acidic solution and eluted with thiourea solution. Common co-existing ions exhibited virtually no interference to the preconcentration and determination. The adsorption capacity of RDSG was 0.0352, 0.107 and 0.122 mmol/g for Ag, Au and Pd, respectively. Detection limits of 0.004, 0.022 and 0.019 μg/mL for Ag, Au and Pd, respectively, were achieved with a sampling time of 60 s at a flow rate of 5.0 mL/min. The relative standard deviation were 0.5%, 0.9% and 1.7% for 0.040 μg/mL Ag, 0.200 μg/mL Au and 0.300 μg/¶mL Pd. The sorption property did not change after 1000 cycles of sorption-desorption. The contents of Ag and Au in three national certified ore samples and Pd in a secondary nickel alloy, an anode slime and a CoCl2 electrolytic solution were determined. The results showed good agreement with the certified values.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002160051577
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  • 7
    Electronic Resource
    Electronic Resource
    Detection of breast cancer with conventional mammography and contrast-enhanced MR imaging (1998)
    Springer
    European radiology 8 (1998), S. 194-200 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Breast MRI ; Mammography ; Breast neoplasm ; Contrast-enhanced MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of this study was to compare the diagnostic performance of conventional mammography and dynamic contrast-enhanced fast 3D gradient-echo (GRE) MRI regarding the detection and characterization of breast lesions relative to histopathologic analysis and to assess the results of a combined evaluation of both methods. fifty consecutive patients with 63 histopathologically verified breast lesions underwent dynamic contrast-enhanced GRE MRI in addition to routine conventional mammography. All lesions were classified by both methods on a five-point scale as benign or malignant, and the results were correlated to histopathology. Conventional mammography and dynamic MRI yielded a sensitivity and specificity of 82 and 64 %, and 92 and 76 %, respectively. The difference between the results was statistically not significant (p 〉 0.05) with areas under the receiver-operating-characteristics curves of 0.807 for mammography and 0.906 for MR imaging. Combination of the results of both methods slightly increased the sensitivity for detection of breast cancer to 95 % but decreased specificity to 52 %. In this selected patient subset, including only patients referred for excisional biopsy, contrast-enhanced dynamic MRI proved more sensitive and specific than conventional mammography regarding the detection of malignancy. While a combination of both methods yields a slightly improved sensitivity, specificity is vastly reduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050362
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  • 8
    Electronic Resource
    Electronic Resource
    MRI of the uterus, uterine cervix, and vagina: diagnostic performance of dynamic contrast-enhanced fast multiplanar gradient-echo imaging in comparison with fast spin-echo T2-weighted pulse imaging (1998)
    Springer
    European radiology 8 (1998), S. 1433-1440 
    Details
    ISSN: 1432-1084
    Keywords: Key words: MR imaging ; Female ; Pelvis ; Dynamic multiplanar gradient-echo sequence ; T2-weighted fast spin-echo sequence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of this study was to compare the diagnostic performance of contrast-enhanced fast multiplanar gradient-echo (GRE) and T2-weighted fast spin-echo (FSE) image sets in the assessment of uterus, cervix, and vagina. Fast (up to 20 contiguous sections in 23 s) multiplanar GRE and FSE images of 45 patients referred for imaging of the female pelvis were evaluated retrospectively with regard to overall image quality and the ability to detect normal anatomic structures, as well as lesion conspicuity. Results were compared with histologic findings (n = 29) or clinical follow-up. Furthermore, a quantitative assessment of contrast-to-noise ratios among normal uterine and cervical structures as well as uterine lesions was performed for both sequences. On GRE images, uterine and cervical differentiation was best seen on the image sets acquired 15 and 60 s following contrast enhancement and results were significantly better compared with delayed images (p 〈 0.05). Delineation of the junctional zone was significantly (p 〈 0.05) better on FSE compared with GRE images; no significant difference was seen for the other anatomic structures. Overall image quality of GRE and FSE images was similar. Sensitivity for lesion detection based on both GRE and FSE images was 96 % with a sensitivity of 93 % for GRE, and 81 % for FSE images alone, respectively. Using the extended McNemar χ 2 test, the difference in diagnostic performance between FSE and GRE revealed no significant difference, whereas the combination of both techniques performed better than FSE imaging alone (p 〈 0.05). The presented data suggest that dynamic contrast-enhanced GRE imaging should be part of an MR examination of the female pelvis. Combined GRE and FSE imaging provide an excellent sensitivity in the assessment of uterine and vaginal pathologies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050569
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  • 9
    Electronic Resource
    Electronic Resource
    Optimization Analysis for Fuel Cell Bus Body Structure in Multi-Load Cases (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 44-46 (June 2008), p. 401-408 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In recent years, for the sake of energy saving and environment protection, lightweight bodystructure becomes the trend of vehicle development. Based on this objective, it is significant to makea research on optimization for the body structure. When structure optimization for the single workcondition is carried out, the common mechanism optimization design method can provide theoptimum result for certain condition according to the corresponding restriction and objectivefunctions, whereas, the same variable has different variation trends in different conditions. In order tosatisfy the requirements of the actual condition with multi-load cases optimization, synthesis analysisshould be carried out by introducing weights for corresponding variables. First of all, the optimizationsection sizes of frame members of one semi-integral fuel cell bus body are analyzed respectivelyunder four different load cases by applying common mechanism optimization design method.Furthermore, orthogonal design of experiment method is adopted to analyze the effect factor of thefour optimization results in the synthesis optimization analysis and ascertain the integral optimumscheme. By analyzing and checking the bus body gained from the optimum synthesis scheme, it isconfirmed that the synthesis optimization method for structure by adopting both common mechanismoptimization design method and orthogonal design of experiment method can be used to carry out theoptimization analysis under multi-load cases for bus body frame and the lightweight of busframework, on the premise of ensuring the bus body performance index such as strength, stiffness andmode
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/40/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.44-46.401.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Investigation of Solid State Reaction of Co/Ti/Si and Co/Si by Monoenergy Positron (1994)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 175-178 (Nov. 1994), p. 233-236 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/00/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.175-178.233.pdf
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