A novel YWY-typed organic phosphorus corrosion inhibitor was synthesized and researched by weight corrosion value, potentiodynamic method and SEM under the condition of bitter salt water.
研制了一种新型YWY有机膦缓蚀剂,应用重量法、电化学方法及扫描电镜等手段对合成的有机膦缓蚀剂ywy在苦咸水条件下的缓蚀性能及其缓蚀机理进行了研究。
Because of the place obstruction of corrosion products in the surface of the alloys, while corrosion time is at 120 minutes above, the corrosion rate descends to the stable value in 48 hours.
当腐蚀浸泡的时间大于120分钟后,腐蚀产物在铝合金表面产生了明显的位阻作用,从而使腐蚀速率逐渐下降,直至48小时后,腐蚀速率趋于一相对稳定的数值。
The result shows that the main reasons are high bottom hole temperature, corrosion of drilling tool during storage and drilling process, high value of formation drillability, and multi-fault.
结果表明,井底温度高、钻具存放及钻井过程中的腐蚀和地层可钻性级值高且断层多,是该地区钻具失效的主要原因。
The corrosion prevention techniques during the refining of crude oil with high acid value are also introduced.
还介绍了加工高酸值原油中的防腐蚀技术。
Results showed that corrosion potential moved negatively till the lowest value was reached and kept stable during the procedure of copper crevice corrosion.
结果表明,铜发生缝隙腐蚀的过程中,金属腐蚀电位朝负移动,至一最低值并保持不变。
The equipment corrosion and corrosion resistance in processing crude oil with high acid value are reviewed.
高酸值原油加工过程中设备的腐蚀问题和防腐蚀新技术受到相关部门的高度重视。
The causes of corrosion of vacuum tower processing high-sulfur and high-acid-value Gudao crude and protection were discussed.
文章叙述了炼制商硫、高酸值孤岛原油减压塔的腐蚀原因及防护措施。
The superiority, novelty, and practical value were introduced with comparison to various heavy anti-corrosion technology, thus a new way was provided to the corrosion science and technology.
并与现有的各种重防腐蚀技术进行了分析对照,阐明了该发明的优越性、新颖性、首创性和实用价值,为我国和国际防腐蚀科技提供了一条崭新的途径。
The regulation specifies the principles, contents, detailing and material requirements, design value of concrete cover depth, crack width limiting, additional anti-corrosion measures and test methods.
规定了混凝土结构耐久性设计的原则、内容、结构构造和材料选用基本要求、混凝土保护层厚度设计值、裂缝宽度限值等,并给出了防腐蚀附加措施及试验方法。
With increasing the embedded depth of iron wire, the negative shift value of corrosion potential, chlorine ion concentration and corrosion rates reduced, but polarization resistance increased.
随铁丝埋入深度增加,电位负移量、氯离子浓度和腐蚀速度都减小、极化电阻增加。
With increasing acid value, density, salt and sulfur in Liaohe Crude, The HCI-H2SO4-H2O corrosion in overhead condensing system of atmospheric-vacuum unit was deteriorating.
辽河原油逐年来酸值增高、密度变大、含盐和含硫量有所增加,常减压塔顶冷凝冷却系统的“HCI - H_2S - H_2O”腐蚀日趋严重。
Provided are system of value resource in acidic corrosion waste fluid and a recycling method.
一种酸性蚀刻废液中有价资源的回收方法及回收系统。
These should have certain value for us to seek the corrosion-proof method, to research the technology…
文章对古代青铜器的保护和研究当时的冶炼技术及相关文化有一定价值。
These should have certain value for us to seek the corrosion-proof method, to research the technology…
文章对古代青铜器的保护和研究当时的冶炼技术及相关文化有一定价值。
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