unf
- 网络联合国基金会;细牙;美制细牙;统一标准细牙螺纹
unf-
Analysis of water reducing agent UNF by ultraviolet spectroscopy
UNF减水剂的紫外光谱分析
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The general effect of UNF and PC is to increase initial cracking time of cement mortars , and decrease cracking sensitivity of cement mortars .
结果表明，高效减水剂的掺入延长了水泥砂浆的初始开裂时间，从而降低了水泥砂浆的开裂敏感性。
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Based on this model the UNF code system for calculating nuclear reaction data has been developed . Now it has been widely used for nuclear data calculations and for the analysis of the experimental data .
在此理论模型基础上，研制了核反应数据理论模型计算的UNF程序系列，并被广泛应用在核反应数据理论计算和核反应实验数据理论分析中。