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Wyszukujesz frazę "Sun, Yun" wg kryterium: Autor

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Analysis of temperature-field and stress-field of steel plate concrete composite shear wall in early stage of construction
    Autorzy:
    Sun, Yun
    Guo, Yaojie
    Powiązania:
    https://bibliotekanauki.pl/articles/1853643.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ściana betonowa z blachą stalową
    ściana usztywniająca kompozytowa
    pole temperatury
    pole naprężeń
    analiza termiczna
    pękanie
    faza wczesna
    steel plate concrete wall
    composite shear wall
    temperature field
    stress field
    thermal analysis
    cracking
    early stage
    Opis:
    To study the influence of temperature field and stress field on the cracking of the small thickness steel plate concrete composite shear wall (SPCW) in the early stage of construction. The temperature field and stress field of a 400 mm thickness SPCW was monitored and simulated through experimental research and numerical simulation. Moreover, a series of parameter analyses were carried out by using ANSYS to investigate the distribution of temperature field and stress field of SPCW. Based on the analysis results, some suggestions are put forward for controlling the cracking of SPCW in the early stage of construction. The results show that the temperature stress of 400 mm thickness SPCW in the early stage of construction is small, and there is no crack on the wall surface. For SPCW with thickness less than 800mm, the temperature stress caused by hydration heat in the early stage of construction is small, and the wall will not crack. The parameters such as wall thickness, steel plate thickness, boundary condition and stud space significantly influence the temperature field and stress field distribution of the small thickness SPCW in the early stage of construction, and reasonable maintenance measures can avoid cracking.
    Źródło:
    Archives of Civil Engineering; 2021, 67, 1; 351-366
    1230-2945
    Pojawia się w:
    Archives of Civil Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Upregulation of GRP78 and caspase-12 in diastolic failing heart
    Autorzy:
    Sun, Yingying
    Liu, Guanghui
    Song, Tao
    Liu, Fang
    Kang, Weiqiang
    Zhang, Yun
    Ge, Zhiming
    Powiązania:
    https://bibliotekanauki.pl/articles/1040708.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    caspase-12
    diastolic heart failure
    GRP78; hypertension
    apoptosis
    Opis:
    Background: The endoplasmic reticulum (ER) fulfills multiple cellular functions. Various stimuli can potentially cause ER stress (ERS). ERS is one of the intrinsic apoptosis pathways and apoptosis plays a critical role in hypertension. Glucose regulated protein 78 (GRP78) has been widely used as a marker for ERS and caspase-12 mediated apoptosis was a specific apoptotic pathway of ER. The expression of GRP78 and caspase-12 remains poorly understood in the diastolic heart failure resulting from hypertension. Methods: We used spontaneously hypertensive rats (SHRs) to establish a model of diastolic heart failure, and performed immunohistochemistry, western blot, and real-time PCR to analyze GRP78 and caspase-12. Results: We found that GRP78 and caspase-12 had enhanced expression at protein and mRNA levels. Conclusions: These results suggest that GRP78 and caspase-12 were upregulated in cardiomyocytes and ERS can contribute to cardiac myocyte apoptosis in the diastolic heart failure resulting from hypertension.
    Źródło:
    Acta Biochimica Polonica; 2008, 55, 3; 511-516
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Principal Instructional Leadership and Teaching for Learner Autonomy: A Multilevel Analysis of the Case of South Korea
    Autorzy:
    Ham, Seung-Hwan
    Ahn, Sung-Ho G.
    Cha, Yun-Kyung
    Ju, Mi-Kyung
    Kim, Sunah
    Ku, Hara
    Lee, Sun-Kyung
    Park, Young Serk
    Powiązania:
    https://bibliotekanauki.pl/articles/18104543.pdf
    Data publikacji:
    2013-09-30
    Wydawca:
    Wydawnictwo Adam Marszałek
    Opis:
    This study aims to explore how teachers’ use of instructional strategies to foster learner autonomy varies depending on principal instructional leadership. Based on a nationally representative sample of approximately 2,200 teachers in 131 middle schools in South Korea, a series of hierarchical generalized linear modeling analyses has been conducted. The main findings from this study lend credence to the idea that teachers whose school principals provide greater instructional leadership are significantly more likely to integrate instructional strategies to advance learner autonomy into their classroom teaching. This result appears very robust even after a range of variables pertaining to school and teacher characteristics is simultaneously taken into account.
    Źródło:
    The New Educational Review; 2013, 33; 247-260
    1732-6729
    Pojawia się w:
    The New Educational Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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