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  • 1
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    Uncertainty Quantification Techniques in Statistics (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
    Details
    Publication Date: 2023-12-20
    Description: Uncertainty quantification (UQ) is a mainstream research topic in applied mathematics and statistics. To identify UQ problems, diverse modern techniques for large and complex data analyses have been developed in applied mathematics, computer science, and statistics. This Special Issue of Mathematics (ISSN 2227-7390) includes diverse modern data analysis methods such as skew-reflected-Gompertz information quantifiers with application to sea surface temperature records, the performance of variable selection and classification via a rank-based classifier, two-stage classification with SIS using a new filter ranking method in high throughput data, an estimation of sensitive attribute applying geometric distribution under probability proportional to size sampling, combination of ensembles of regularized regression models with resampling-based lasso feature selection in high dimensional data, robust linear trend test for low-coverage next-generation sequence data controlling for covariates, and comparing groups of decision-making units in efficiency based on semiparametric regression.
    Keywords: HM401-1281 ; H1-99 ; Kullback–Leibler divergence ; geometric distribution ; accuracy ; AUROC ; allele read counts ; mixture model ; low-coverage ; entropy ; gene-expression data ; SCAD ; data envelopment analysis ; LASSO ; high-throughput ; sandwich variance estimator ; adaptive lasso ; semiparametric regression ; ?1 lasso ; Laplacian matrix ; elastic net ; feature selection ; sea surface temperature ; gene expression data ; Skew-Reflected-Gompertz distribution ; lasso ; next-generation sequencing ; BH-FDR ; stochastic frontier model ; ?2 ridge ; geometric mean ; resampling ; Gompertz distribution ; adapative lasso ; group efficiency comparison ; sensitive attribute ; MCP ; probability proportional to size (PPS) sampling ; randomization device ; SIS ; Yennum et al.’s model ; ensembles ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFF Social issues & processes::JFFP Social interaction
    Language: English
    Format: application/octet-stream
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  • 2
    Electronic Resource
    Electronic Resource
    Scanning localized viscoelastic image using a quartz crystal resonator combined with an atomic force microscopy (1999)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 74 (1999), S. 466-468 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A quartz crystal resonator and an atomic force microscopy were applied for the measurement of local viscoelasticity and surface morphology. For the reduction of signal noise from the quartz crystal resonator, we designed an oscillation circuit based on a referential quartz crystal method. A polystyrene bead-coated quartz crystal was used as a signal quartz crystal, and a bare Au quartz crystal was used as a reference. By approaching the cantilever of atomic force microscopy to the surface of working quartz crystal, the differential resonant frequency in the two quartz crystals showed changes by the interaction between the tip and the quartz crystal. The changes of differential resonant frequency in the two quartz crystals were influenced by the local viscoelasticity. The image resolution of differential resonant frequency was observed under 80 nm for the polystyrene bead-coated quartz crystal. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.123033
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  • 3
    Electronic Resource
    Electronic Resource
    A Chemical Route to Large-Scale Preparation of Spherical and Monodisperse Ni Powders (2005)
    Oxford, UK : Blackwell Science Inc
    Journal of the American Ceramic Society 88 (2005), S. 0 
    Details
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A facile chemical route to prepare a well-defined Ni powder on a mass-production scale without external heating was suggested. A highly concentrated Ni complex was formed between NiCl2 and N2H4 solution, and subsequent addition of NaOH solution triggered serial reactions from the Ni complex decomposition via Ni(OH)2 formation to the reduction of a Ni(OH)2 gel into well-defined Ni spheres. The high temperature necessary for the reaction was attained not by external heating but by exothermic reactions such as complex formation and reduction. The preparation of monodisperse and spherical Ni powder was attributed to uniform distribution of the reducing agent (N2H4) within the Ni(OH)2 gel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1551-2916.2005.00582.x
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  • 4
    Electronic Resource
    Electronic Resource
    Comparison of Penicillium amagasakiense glucose oxidase purified as glyco- and aglyco-proteins (1991)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 78 (1991), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Penicillium amagasakiense secreted glucose oxidase (GOD) with a highly diminished carbohydrate moiety (aglyco-GOD) in the presence of 20 mg/l tunicamycin. To examine enzymatic properties of aglyco-GOD, this and native GOD (glyco-GOD) were purified to homogeneity from the culture medium with or without tunicamycin. The carbohydrate content of aglyco-GOD was 2.9% and the Mr of it and its subunit were 130 000 and 70 000, respectively. On the other hand, those from glyco-GOD were 20.4%, 150 000 and 80 000, respectively. Nonetheless, they showed remarkably similar catalytic properties to each other: Km values of 3.4 and 2.7 mM and Vmax values of 320 and 270 U/mg protein. pH optima 5.5 and 6.0 were observed for aglyco and glyco-GOD, respectively. Isoelectric focusing showed a strikingly similar pattern with each GOD having one major band of pI 4.2 and 2 minor bands between pI 4.3 and 4.5, which implies that microheterogeneity of GOD was not due to heterogeneous glycosylation. Up to 35°C, both enzyme preparations were stable for 30 min while both were considerably inactivated after 30 min at 45°C. Therefore, we conclude that the carbohydrate moiety plays no significant role in the enzymatic function of P. amagasakiense GOD.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1991.tb04446.x
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  • 5
    Electronic Resource
    Electronic Resource
    A novel metabolic pathway for creatinine degradation in Pseudomonas putida 77 (1985)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 30 (1985), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract A novel metabolic pathway for creatinine, degradation of creatinine to glycine via N-methylhydantoin, N-carbamoylsarcosine and sarcosine in turn, was found to operate in Pseudomonas putida 77. N-Methylhydantoin, sarcosine and glycine were detected as metabolites from creatinine, and enzyme activities responsible for the degradation of creatinine, N-methylhydantoin, N-carbamoylsarcosine and sarcosine were observed in a crude cell extract, while neither creatinine amidohydrolase activity nor creatine were detected at all. It is suggested that creatinine was utilized as a source of both carbon and nitrogen at the same time, and that N-methylhydantoin was also utilized efficiently.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1985.tb01106.x
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  • 6
    Electronic Resource
    Electronic Resource
    Assessment of In-Plane Size Effect for Nuclear Carbon Steels Using Damage Models (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 345-346 (Aug. 2007), p. 1361-1364 
    Details
    ISSN: 1013-9826
    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: The present work deals with an applicability of the local approach to assess in-plane sizeeffects among different sized compact tension (CT) specimens. To characterize ductile crack growthof typical nuclear materials, SA515 Gr.60 and SA516 Gr.70 carbon steels, finite element analysesemploying modified GTN and Rousselier models as well as fracture toughness tests were carried out.Material damage parameters were calibrated using standard CT specimens and reflected to predictfracture resistance (J-R) curves of larger CT specimens. Since comparison results betweennumerically estimated J-R curves and experimentally determined ones corresponded well, it isanticipated that the local approach might be used as a promising tool for ductile fracture evaluationincorporating the in-plane size effect
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/54/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.345-346.1361.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of Viscosity of Liquid Resin on Resin Self-Alignment Capability (2003)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 439 (Nov. 2003), p. 12-17 
    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/2011/0528/02/07/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.439.12.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    Purification and some properties of an extracellular l-amino acid oxidase from Cellulomonas cellulans AM8 isolated from soil (1992)
    Springer
    Applied microbiology and biotechnology 37 (1992), S. 594-598 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary The soil isolate Cellulomonas cellulans AM8 produces an extracellular l-amino acid oxidase (L-AAO) with broad substrate specificity. The strain produced up to 0.35 unit (U)/ml of the extracellular L-AAO in a simple medium containing glycerol and yeast extract. The enzyme was easily purified up to 30 U/mg protein using Phenyl-Sepharose fast flow. The purified enzyme migrated as single band on sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) with a molecular mass of 55 kDa. On native PAGE the molecular mass was approx. 300 000 kDa, which may be due to aggregation. With the exception of glycine, proline, and threonine, all the amino acids normally constituting proteins were oxidized. The V max values from 0.7 to 35.2 U/mg for aspartic acid and lysine, respectively, and the K m values from 0.007 to 7.1 mm for cysteine and valine, respectively, were obtained at 25° C and pH 7.0 in oxygen-saturated solutions. The L-AAO had a pH optimum of 6.5–7.5. It was stable for several months at — 30° C and for some days at 35° C. Ferricyanide served as an electron acceptor with a V max of 50 U/mg and K m for 0.3 mm with phenylalanine as the substrate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00240732
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  • 9
    Electronic Resource
    Electronic Resource
    A Study on the Measurement System Using an Ultrasonic Sensor in Electron Beam Welding (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 321-323 (Oct. 2006), p. 1715-1718 
    Details
    ISSN: 1013-9826
    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: Electron beam welding (EBW) has an important role in industrial applications such assemi-conductor and LCD manufactures because of its high performance and accuracy. Since theoperation is done in a vacuum room, it is very difficult to test the weldability as well as the correctwelding area of the specimen. In this study, a measurement system of the EBW was developed basedon the 3-axis LVDT controlled table. In addition, the algorithm to tracking the welding line has beendeveloped. The weldability of the aluminum specimen was tested by a newly developed measurementsystem with ultrasonic C-scan inspection
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.321-323.1715.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    A Numerical Study on Nonequilibrium Heat Transfer and Crater Formation in Thin Metal Films Irradiated by Femtosecond Pulse Laser (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 580-582 (June 2008), p. 143-146 
    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
    Notes: The ultimate goals of this study are to investigate numerically nonequilibrium energytransfer between electrons and phonons, and to predict the crater formation shapes of gold thin filmstructures irradiated by femtosecond pulse lasers. In particular, the present article expands the onedimensionaltwo-temperature model (1DTTM) to the two-dimensional model (2DTTM) consideringwave interference, and it involves the quantum effect to predict thermal and optical properties. Thepredictions by using 2DTTM are extensively compared with those of 1DTTM, and the influence offilm thickness on radiation heat transfer and optical characteristics are also examined. From theresults, it is found that the predictions of 2DTTM are in good agreement with those of 1DTTM. Asthe gold film thickness decreases, the reflectivity decreases dramatically and the absorbed laserintensities at the top surface increases substantially because of wave interference in thin films
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/18/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.580-582.143.pdf
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