PURPOSE:To carry out excavation in a large cross section and deep depth without using a strut, etc., or even increasing the intervals of struts, etc., when an underground wall in a large cross section and deep depth is constructed. CONSTITUTION:Concrete is placed in a wall-like or column...
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William Darwall& Klement Tockner Scientific Reports9, Article number:18531(2019)Cite this article 14kAccesses 114Citations 144Altmetric Metrics Abstract Dam construction comes with severe social, economic and ecological impacts. From an ecological point of view, habitat types are altered and biodiversity...
where the sign of the factor D determines the right- or left-handed helicity of the interaction, and the 1/4 factor accounts for the multiplication of 2 times 2 spins in the interaction term. This specific interaction, through the cross product of the two interacting magnetization vectors, add...
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When the processing parameters are selected unsuitably, it will easily lead to excessive wall thinning, wrinkling and severe cross-sectional distortion, especially for the tube with large size factor (ratio of out diameter to wall thickness, D/t). Moreover, compared with the Al-alloy tubes, ...
Mass transfer in the membrane concentration polarization layer under turbulent cross flow. I. Critical literature review and adaptation of existing sherwood correlations to membrane operations 1987, Journal of Membrane Science Show abstract Mass-transfer measurements by the limiting-current technique ...
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