查询词典 corrosion rim

The cause analysis of corrosion on the top of column for crude oil unit was carried out after operation of Tahe crude oil from Xinjiang.

对常减压装置加工新疆塔河原油后常减压塔顶腐蚀加剧原因进行了分析，采取了确实可行的防腐措施，减轻塔顶的腐蚀。

Keywords vacuum column;crude oil with low sulfur content and high naphthenic acid number;naphthenic acid corrosion

减压塔；低硫高酸值原油；环烷酸腐蚀；防护措施

Experimental study on the metal surface cleaning agent re-oil preparation process of the series,Obtained by experiment the optimum cleaning process conditions:2g respectively SDBS,2g sodium silicate,2g sodium nitrite dissolved in 100 ml of distilled water,making the steel sheet coated with oil immersed in cleaning agents,under the conditions which keeping the washing temperature 30℃,Stirring rate of 2 files,Cleaning time for 5 min of the cleaning Cleaning the oil to achieve the highest rate of 99.62%,Corrosion rate can be controlled below 0.006%.

实验研究了金属表面重油污清洗剂制备的系列工艺，通过实验得出其最佳的清洗工艺条件：分别取2g十二烷基苯磺酸钠、 2g硅酸钠、2g亚硝酸钠溶于100毫升蒸馏水中，将涂有油污的钢片浸入清洗剂中，在清洗温度为30℃，搅拌速率为2档，清洗时间为5 min的条件下清洗，其油污清洗率最高能达到99.62%，腐蚀率能控制在？以下。

The alloy boasts good shaping property, high corrosion resistance, weldability and fatigue strength, medium static strength, is used to make airplane oil tank, oil pipe, oil pipe, metal sheet and instrument for vehicle and vessel, street lamp post and riveted wire.

典型用途：此合金有良好的成型加工性能，抗腐蚀性，可焊性，疲劳强度与中等的静态强度，用于制造飞机油箱、管，以及交通车辆、舶的钣金件、表、灯支架等。

The alloy boasts good shaping property, high corrosion resistance, weldability and fatigue strength,medium static strength, is used to make airplane oil tank, oil pipe, oil pipe, metal sheet and instrument for vehicle and vessel,street lamp post and rive

典型用途：此合金有良好的成型加工性能，抗腐蚀性，可焊性，疲劳强度与中等的静态强度，用于制造飞机油箱、油管，以及交通车辆、船舶的钣金件、仪表、街灯支架等。

In order to raise the anti-corrosion ability of melting aluminum pot, the TGT-4 composite ceramic protecting coat is used to protect iron pot in the aluminum alloy melting in different factory which use induce furnace, oil-burning furnace, or electric resistance furnace to melt aluminum. The advanced protecting characteristic and long-effect mechanism of TGT-4 coat are analyzed and investigated. A model of iron pot cracking mechanism and related countermeasures are proposed for factory consulting.

为了提高熔铝铁埚的抗铝液腐蚀能力，在不同厂家的工频炉、油炉、电阻炉熔铝中，用TGT-4复合陶瓷防护涂料进行铁埚防护，对TGT-4涂料的优良防护性能及长效作用机制进行了分析研究；对生产中提出的一直困扰熔铝界的铁埚开裂问题进行了调研与分析，提出了铁埚开裂机制的模型和预防对策，供生产厂家参考应用。

It has proved that inspection of equitment in oil-refining plant is important to avoid corrosion failure.

检验对于设备的防腐是相当关键的。

Stress corrosion intensity factor of weld area was calculated and the date supply some reference for the manufacture of the oil-refining equipments.

同时计算出焊接区的临界应力腐蚀强度因子，对设备的选材和制造有一定指导意义。

The erosion-corrosion resistance of A3 carbon steel in industrial oil-refining environment was also investigated.

揭示这类腐蚀现象的本质，掌握其控制因素，找出有效的抑制或防护方法，对炼油工业的发展有重要的意义。

Corrosion occurs whenever a metal ion in the solid crystalline lattice of a metal is induced to become a solvated cation

当固体晶格中的一个金属离子侵入而形成溶剂化阳离子，便会产生腐蚀。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。