瓷器埋在土里时间过长使釉面、彩绘或胎体被土壤腐蚀，使器物彩绘局部脱落釉表面失亮。
由于地下水潜蚀、化学溶蚀等作用，灰岩地区溶洞、土洞较为发育，给桩基施工带来较大困难。
By the action of groundwater erosion and chemolysis, cavities are well developed in limestone area, which causes many problems for pile foundation construction.
作者认为，聚土免耕是一种适于旱地的集改土、培肥、抗旱、防蚀、增产于一身的耕作方法，可以向我国南方丘陵地区推广。
The above results lead them to believe that it is a successful cropping method, and can be spread in hilly area of South China.
采用失重法研究了土酸溶液中肉桂醛在不同温度和浓度下对锌的缓蚀作用，发现肉桂醛能很好的抑制锌的腐蚀。
The corrosion inhibition of cinnamaldehyde on zinc in mud acid was investigated with different temperatures and different concentration of cinnamaldehyde by weight-loss method.
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