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    Wyświetlanie 1-9 z 9
    Tytuł:
    Fatigue Behavior and Mechanism of FV520B-I Owing to the Effect of Loading Frequency on the Fatigue Property in HCF and VHCF Regime
    Autorzy:
    Wang, J.
    Zhang, Y.
    Shi, B.
    Zhao, Q.
    Sun, Q.
    Zhang, Z.
    Lu, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/353784.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ultrahigh loading frequency
    FV520B-I
    fatigue strength
    fatigue conversion model
    Opis:
    Fatigue property of FV520B-I is affected by the ultrahigh loading frequency significantly, and the ultrasonic fatigue experimental data can’t be employed directly to analyze the fatigue failure in the actual remanufacturing engineering. However few theories about the effect of loading frequency on the fatigue property of FV520B-I has ever been proposed. In this paper, both ultrasonic experiment and conventional experiment are conducted out to obtain the fatigue data. The effect of loading frequency on the fatigue data distribution is discussed firstly, its fatigue limit declines with the increase of the loading frequency. Then the fracture surface observations are captured, the fatigue property and fatigue behavior mechanism of FV520B-I is examined by analyzing the fracture surface features, crack initiation and failure observations. A new material frequency correction factor is proposed and introduced to eliminate the influence of the loading frequency on the FV520B-I fatigue property. FV520B-I empirical fatigue life conversion model and fatigue strength conversion model are established with comprehensive use of a fitting algorithm based on the combination of experimental data and classic formula. A clear understand of the effect of loading frequency on the fatigue property of FV520B-I is novel and has an important significance in guaranteeing the accuracy of the actual fatigue analysis of FV520B-I in the remanufacturing engineering.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 1; 347-357
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Research on Characterization of Crushability for Foundry Sand Particles
    Autorzy:
    Dai, Y.
    Ma, Q. Y.
    Li, X. H.
    Zhang, X.
    Hu, F. P.
    Zhang, Y.
    Xie, W. D.
    Powiązania:
    https://bibliotekanauki.pl/articles/379689.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    foundry sand particle
    mechanical load
    AFS grain fineness
    crushability
    piasek odlewniczy
    obciążenie mechaniczne
    rozdrobnienie ziarna
    Opis:
    In this paper, crushability of foundry sand particles was studied. Three kinds of in-service silica sands in foundry enterprises selected as the study object, and foundry sand particles were subjected to mechanical load and thermal load during service were analyzed. A set of methods for simulating mechanical load and thermal load by milling and thermal-cold cycling were designed and researched, which were used to characterize the crushability for silica sand particles, the microstructure was observed by SEM. According to the user’s experience in actual application, the crushability of Sand C was the best and then Sand B, the last Sand A. The results indicated that mechanical load, thermal load and thermal-mechanical load can all be used to characterize the crushability of foundry sand particles. Microscopic appearances can qualitatively characterize the crushability of foundry sand particles to a certain extent, combining with the additions and cracks which are observed on the surface.
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 4; 231-235
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    GP5 protein - based ELISA for the detection of PRRSV antibodies
    Autorzy:
    Wang, Y.
    Guo, J.
    Qiuao, S.
    Li, Q.
    Yang, J.
    Jin, Q.
    Zhang, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/30629.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Porcine reproductive and respiratory syndrome virus (PRRSV) is an important swine pathogen, causing huge economic losses each year worldwide. Immunization with vaccines containing the glycoprotein 5 (GP5) of PRRSV is the main measure to induce neutralizing antibodies and control the disease. Here, we developed a GP5 protein-based ELISA for detecting antibodies against PRRSV. The overall yield of purified GP5 in E. coli flask culture was more than 45 mg/L cell culture. Western blot and IFA indicated that the GP5 protein was highly immunogenic. After optimization and validation with IDEXX PRRS using 566 clinical sera, the DSN, DSP, and accuracy of GP5-ELISA were 81.39%, 75.96%, and 80.39%, respectively. Besides, GP5-ELISA is highly specific, showing no cross-reactions with sera against other important swine pathogens. Hence, GP5 is a good diagnostic antigen and the GP5 protein-based ELISA has the potential to be used in the field
    Źródło:
    Polish Journal of Veterinary Sciences; 2016, 19, 3
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selection of reference genes for quantitative real-time RT-PCR on gene expression in Golden Pompano (Trachinotus ovatus)
    Autorzy:
    Chen, X.J.
    Sun, Y.
    Zhang, X.Q.
    Huang, S.
    Cao, Z.J.
    Qin, Q.W.
    Hu, W.T.
    Zhou, Y.C.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087908.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Źródło:
    Polish Journal of Veterinary Sciences; 2017, 3; 583-594
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    UV-Vis spectroscopic detection coupled with chemometrics for the measurement of mixed organic acids in water samples enriched by radial electric focusing solid phase extraction
    Autorzy:
    Guo, Y.
    Liu, X.
    Liu, J.
    Bian, X.
    Zhang, Q.
    Pan, J.
    Wan, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/221808.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    chemometrics
    UV-Vis spectrophotometer
    radial electric focusing solid phase extraction
    mixed organic acids
    Opis:
    Due to the difficulty of detecting traces of organic acid mixture in an aqueous sample and the complexity of resolving UV-Vis spectra effectively, a combinatory method based on a self-made radical electric focusing solid phase extraction (REFSPE) device, UV-Vis detection and partial least squares (PLS) calculation is proposed here. In this study, REFSPE was used to enhance the extraction process of analytes between the aqueous phase and the membrane phase to enrich the trace of mixed organic acid efficiently. Then, the analytes, which were eluted from the adsorption film by ethanol with the assistance of an ultrasonic cleaning machine, were detected with UV-Vis spectrophotometry. After that, the PLS method was introduced to solve the problem of overlapping peaks in UV-Vis spectra of mixed substances and to quantify each compound. The linearly dependent coefficients between the predicted value of the model and the actual concentration of the sample were all higher than 0.99. The limit values of detection for benzoic acid, phthalic acid and p-toluene sulfonic acid were found at 9.9 μg/L, 12.2 μg/L and 13.8 μg/L with the relative recovery values between 84.8% and 117.9%. The RSD (n = 20) values of each component are 1.17%, 1.11% and 0.86%, respectively. Therefore, the proposed combined method can determine traces of complex materials in an aqueous sample efficiently and has wonderful potential applications.
    Źródło:
    Metrology and Measurement Systems; 2018, 25, 2; 317-329
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of a blocking immunoperoxidase monolayer assay for differentiation between pseudorabies virus-infected and vaccinated animals
    Autorzy:
    Wang, Y.B.
    Li, Y.H.
    Li, Q.M.
    Xie, W.T.
    Guo, C.L.
    Guo, J.Q.
    Deng, R.G.
    Zhang, G.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087396.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    pseudorabies virus variant strains
    anti-pseudorabies virus monoclonal antibody
    blocking immunoperoxidase monolayer assay
    differentiation between pseudorabies virus-infected and vaccinated animals
    Źródło:
    Polish Journal of Veterinary Sciences; 2019, 4; 717-723
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A method for tracing exogenous DNA uptake in live spermatozoa and embryos
    Autorzy:
    Mu, Y.
    Wang, J.
    Liu, Z.
    Zhao, Y.
    Zhang, X.
    Jiao, M.
    Lv, J.
    Hao, J.
    Kong, Q.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087751.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    spermatozoa
    SMGT
    exogenous DNA
    IVF
    Źródło:
    Polish Journal of Veterinary Sciences; 2018, 21, 1; 193-202
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antibacterial spectrum of four compounds from yeasts in koumiss
    Autorzy:
    Chen, Y.J.
    Du, C.G.
    Guo, Y.Q.
    Zhao, Y.F.
    Aorigele, C.
    Wang, C.J.
    Simujide, H.
    Aqima, W.
    Zhang, X.Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087160.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Kluyveromyces marxianus
    Saccharomyces cerevisiae
    Escherichia coli
    minimum inhibition concentration
    minimum bactericidal concentration
    Źródło:
    Polish Journal of Veterinary Sciences; 2021, 24, 2; 167-173
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Internal Friction of Li7La3Zr2O12 Based Lithium Ionic Conductors
    Autorzy:
    Wang, X. P.
    Song, L.
    Hu, J.
    Xia, Y. P.
    Xia, Y.
    Gao, Y. X.
    Zhang, L. C.
    Magalas, L. B.
    Fang, Q. F.
    Powiązania:
    https://bibliotekanauki.pl/articles/958222.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    lithium ionic conductor
    Li7La3Zr2O12
    internal friction
    Opis:
    The diffusion mechanisms of lithium ions in tetragonal phase as well as in Al and Nb stabilized cubic Li7La3Zr2O12 compounds were investigated by low-frequency internal friction technique. In the cubic Li7La3Zr2O12 phase, a remarkable relaxation-type internal friction peak PC with a peak height up to 0.12 was observed in the temperature range from 15°C to 60°C. In the tetragonal phase however, the height of the PT peak dropped to 0.01. The obvious difference of the relaxation strength between the cubic and tetragonal phases is due to the different distribution of lithium ions in lattice, ordered in the tetragonal phase and disordered in the cubic phase. Based on the crystalline structure of the cubic garnet-type Li7La3Zr2O12 compound, it is suggested that the high internal friction peak in the cubic phase may be attributed to two diffusion processes of lithium ions: 96h↔96h and 96h↔24d.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 1; 21-24
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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