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- The maximum corrosion depth of pipe is acquired through measuring stochastically corrosion pit depth of pipe on the surface and using probabilistic method. According to cases of ASME code, the residual life of corrosion pipe is assessed. 通过随机实测管道表面的腐蚀凹坑深度,并采用概率统计的方法得到了管道最大腐蚀深度,然后参照ASME规范的有关准则进行了管道的腐蚀剩余寿命评估。
- This paper discusses the statistical rule of maximum corrosive pit depth and determination method of extremum estimation for local corrosion depth, and presents a practical example of calculation. 文章讨论了管道最深点蚀孔深度的统计规律以及局部腐蚀深度最大极值估计值的确定方法,并给出了实际算例。
- corrosion pitting depth 腐蚀深度
- corrosion pit depth 腐蚀坑深度
- It is discovered that the maximum depth of the corrosion pit is the crucial factor for the mechanical property of the rusty rebar with the same diameter. 结果表明:对于相同直径的锈蚀钢筋,其力学性能主要取决于锈蚀钢筋表面的最大蚀坑深度;
- The evolution of corrosion pit growth on the surface of a metal in an aggressive medium is investigated with a simple cellular automaton model defined at a mesoscopic scale. 摘要用一个简单的元胞自动机从介观的角度对腐蚀环境中金属表面蚀坑的生长演化过程进行研究。
- Keywords carbon steel corrosion in soils;pit diameter;pit depth;pit distribution FD;image FD;correlation analysis; 关键词碳钢土壤腐蚀;坑直径;坑深度;坑分布分维;腐蚀图像分维;相关分析;
- The corrosion pits on the blade surface contributed to such failure as an additive factor. 叶片表面的腐蚀坑是其疲劳断裂的另一促进因素。
- C. member by macro battery (local) corrosion, a two dimension model of macro battery corrosion pits size of steel bar in R.C. member is presented in this paper. 本文对混凝土中的钢筋经受宏电池(局部)锈蚀并因此产生局部锈坑的描述方法进行了研究,提出了钢筋宏电池腐蚀锈坑尺寸的二维模型。
- Touching up damage to accessible enamel and primer in a timely manner can prevent the formation of corrosion pits and reduce the need for excessive rework during overhaul. 用时效方法可接近的珐琅和底漆进行接触性损伤检查有助于预防腐蚀斑点的形成并减少大修工作量。
- This creature lives in the depth of the ocean. 这种生物生活在海洋深处。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- I was out of my depth in that class. 在那个班里我跟不上。
- Clean off any corrosion before applying the paint. 先除去所有的锈迹再上油漆。
- Many coal-miners were imprisoned in a pit accident. 在一次塌方事故中,许多矿工被压在了井下。
- The young man dived to a depth of 40 feet. 那个青年人潜到四十尺的深度。
- We should discuss the problems in depth. 我们应该深入地讨论这些问题。
- The depth of the universe is immeasurable. 宇宙无限深广。
- Keywords Oil &Gas pipeline;pitting depth;times series pedication;ARIMA model mixing model; 油气管线;点蚀深度;时间序列预测;ARIMA模型;混合模型;
- The managers want to pit the champion against John. 经理人想让冠军与约翰比赛。