Dezincification layer is formed on brass during corrosion or stress corrosion cracking (SCC) in ammonia solution, and an additive stress is induced in the same time.
黄铜表面在氨水中腐蚀或应力腐蚀时形成脱锌层，由此产生一个附加拉应力。
Meanwhile, through the grey forecasting of equidistant data sequent, GM(1,1) modeling is established, while the data analysis about the relationship between additive stress and time is made.
同时，运用灰色理论中的等间距数列预测建立了GM（1，1）模型，对膜致应力-时间的关系进行了数据分析。
Aiming at finding a new cement additive to reduce the disadvantageous effect of the organic matters on cemented-soil compressive stress, the series of tentative experiments are carried out.
针对有机质对水泥加固土强度的这种不利影响，进行了一些尝试性试验，旨在寻求一种添加剂，用来抵消有机质对强度的这种不利影响。
Abstract : The experiment was conducted to study the effects of dietary different forms, levels and additive time of magnesium on transportation, slaughter stress and meat quality of fattening pigs.
摘要本试验研究镁的来源、水平和添加时间对肥猪运输和屠宰应激及肉品质的影响。
Abstract : The experiment was conducted to study the effects of dietary different forms, levels and additive time of magnesium on transportation, slaughter stress and meat quality of fattening pigs.
摘要本试验研究镁的来源、水平和添加时间对肥猪运输和屠宰应激及肉品质的影响。
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