The creep and shrinkage of concrete is the major problem that leads to the enlargement of crack width in concrete structures, under the action of long-term load.
混凝土的徐变和收缩是长期荷载作用下混凝土结构裂缝宽度扩大的主要影响因素。
The in-plane distortion, transverse shrinkage varying along width direction and longitudinal shrinkage varying along length direction of the plate bended by line heating was proposed.
给出了水火弯板变形中的面内扭曲、沿板宽方向变化的横向收缩及沿板长方向变化的纵向收缩的描述函数。
In this paper, we discussed the influences of the shrinkage rate and width of strip waveguides such as power density and scan velocity.
着重研究了激光直写工艺参数对薄膜收缩率和条形光波导宽度的影响规律。
In this paper, we discussed the influences of the shrinkage rate and width of strip waveguides such as power density and scan velocity.
着重研究了激光直写工艺参数对薄膜收缩率和条形光波导宽度的影响规律。
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