soil corrosion

The environmental difference between city gas pipeline and long distance gas pipeline is compared, the limitations of current methods for measuring the soil resistance rate, and the possibility of judging bacterial corrosion are analyzed, and some appropriate improvement measures are put forward.

比较了城镇燃气输配管道与长输管道的周边环境的差别，分析了现行的测取土壤电阻率和判断细菌腐蚀可能性的方法的局限性，提出了相应的改进措施。

The corrosion factors are soil corrosion, bacteria corrosion and the construction quality of the anticorrosive coating is inferior.

户内管道大多存在不同程度的锈蚀。对于腐蚀严重的无缝钢管进行了埋地环境调查，分析其受腐蚀的原因为土壤腐蚀、细菌腐蚀以及防腐层施工质量差。

Effect of soil pH and eh on Corrosion of metal materials

土壤pH和Eh对金属材料腐蚀的影响

Monitoring the Corrosion Depth of A3 Steel in Red Soil by Continuously Measuring its Resistance

电阻法连续监测A3钢在红壤中的腐蚀深度

The corrosion rate increases with the increase of soil humidity.

随土壤湿度的增加,X70钢的腐蚀速率也增加.

Corrosion behaviour of stainless steel in acid soil with a simulated sulfuric acid rainfall

模拟硫酸型酸雨作用下酸性土壤中不锈钢腐蚀电化学行为的研究

Engineering practice and test study of resisting saline soil corrosion concrete

抗盐渍土侵蚀混凝土的工程实践与试验研究

Loess soil is soft, fine grain, rich in soluble minerals, nutrients, porosity, permeability is strong, it is easy disintegration in water, corrosion resistance is weak.

黄土颗粒细，土质松软，结构疏松、富含可溶性矿物质养分，孔隙度大、透水性强、遇水易崩解、抗冲抗蚀性弱。

Yet, in areas of boggy paddy soil under anaerobic conditions in South China, the maximum rate of hole corrosion may be up to 0.5 mm/ yr, due to a corrosion by microbes.

处于嫌气状态的南方沼泽性水稻土地区，由于出现微生物腐蚀，最大孔蚀速率可达0.5毫米/年。

Deposited dust and Dirt may cause corrosion and soil your clothing . Clean the watch occasionally.

沉积的灰尘及污垢会导致腐蚀及污染衣物.

So that, in light of the evaluation objects, factor set and targets, by taking soil corrosion rate as reference factor, a new thought on determining the weights by use of the grey subordinatenesses of various factors is proposed;

因此，根据评价对象、评价因素集及评价目标，提出了以土壤腐蚀速率为参考因素，运用各因素的灰色关联度确定其权重的新思路；

By means of naturally burying specimens in soil, corrosion behavior of Al in brown desert soil in Xinjiang was studied.

采用试件自然埋藏试验方法研究了Al在新疆棕漠土中的腐蚀行为。