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1)  synthetic near neutral soil solution
模拟近中性土壤介质
1.
The electrochemical behavior of X70 pipeline steel in a synthetic near neutral soil solution is investigated.
研究了X70管线钢在模拟近中性土壤介质中的电化学行为,结果表明:模拟近中性土壤介质中溶解的C02会显著加速X70管线钢的腐蚀速度;阴极过程存在H+和H2O以及H2CO3、HCO3-的还原反应;但以HCO3-和H2CO3的还原为主,H+的还原反应不占主导因素。
2)  Synthetic soil solution
模拟土壤介质
1.
The crack propagation characteristics of X70 pipeline steel in the synthetic soil solution under cyclic loading are investigated.
试验研究了X70管线钢在模拟土壤介质中 ,循环载荷下的裂纹扩展特性和宏观规律 。
3)  Near-neutral soil
近中性土壤
1.
The corrosion mechanism is discussed,in near-neutral soils,oxygen is deoxidized and OH-ions are created in cathode area,iron is oxidized and the hydration of Fe2+ ions is created with water from soil in anode area,and Fe2+ are converted into more steady products Fe(OH)3 and Fe2O3.
通过实验室内埋片实验研究了20#钢在近中性土壤中的腐蚀规律和机理。
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4)  near neutral mediums
近中性介质
1.
Both scale and corrosion are the most serious problems in the near neutral mediums.
近中性介质中结垢和腐蚀是最为突出的两大问题。
5)  Soil medium
土壤介质
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6)  model material of soil layer
土层模拟介质
补充资料：土壤水分运动基本方程(见土壤水运动)


土壤水分运动基本方程(见土壤水运动)


turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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