Hazard analysis of sulfur corrosion on liquid hydrocarbon sphere tanks and the Countermeasures

The corrosion types, corrosion rate, the relationship between sulfur content and corrosion rate, the method of selection of materials for corrosive environment, material selection and optimization were described.

硫含量与腐蚀速度的关系；腐蚀环境中管材选用的方法和管材选择及其优化。

Hazard and Countermeasure for Sulfur Corrosion of Coker

焦化装置硫腐蚀危害及对策

The high-temperature sulfur corrosion types of petroleum processing equipment and materials were briefly introduced.

简要介绍了炼油设备材料高温硫腐蚀的类型；

Among the environmental pollution factors, the most detrimental factor is atmospheric sulfur deposition for atmospheric corrosion of carbon steel.

在所研究的环境因子中，对碳钢大气腐蚀危害最大的是大气中的硫沉降因子。

Test Research on Sulfur Corrosion Damage of High Temperature Superheater Pipe

高温过热器管硫腐蚀损坏试验研究

The problems of traditional hot wall transfer line of vacuum tower, such as more heat displacement of the horizontal pipe at low velocity, large pushing force on the tower support and severe sulfur corrosion, etc., are analyzed.

剖析了传统的热壁减压塔转油线存在的低速段水平直管热位移量大，对减压蒸馏塔和支架的推力大，硫腐蚀严重等问题。

The test and analysis conclude that the cracking failure of minimum flow by-pass line of high-pressure lean amine pump in the hydrocracker are caused by sulfur stress corrosion and turbulent flow corrosion, which are aggravated by pipeline vibration.

经过检测分析认为加氢裂化装置高压贫胺液泵最小流量控制阀副线的腐蚀开裂原因是胺液和硫化氢的应力腐蚀和湍流腐蚀，管线振动加剧了腐蚀。

With crude oil quality deteriorating continuously, acid and sulfur content rising, corrosion of crude oil and its fractions enhanced.

随着原油品质不断劣化，原油含酸、含硫量不断升高，原油及其馏分的腐蚀性进一步增强，由此造成的常减压蒸馏装置腐蚀问题越来越严重。

It pipeline valve selection to choose the anti-sulfur corrosion-resistant materials.

故管线阀门选材要选耐腐蚀的 抗 硫材料.

It is feasible that fuming acid sulfonating technology is substituted by sulfur trioxide sulfonating technology.

用三氧化硫磺化工艺替代发烟硫酸磺化工艺是可行的.

Study hard, and you'll make good progress.

努力学习，你就会取得很大的进步。

To keep an English diary can help you make good progress.

记英语日记会有助于你取得很大的进步。

Nick has made good progress with his studies this year.

今年尼克的学习有了很大进步。

China's carmakers have made good progress towards that goal.

中国汽车制造商已朝着这个目标大步迈进。

The project is making good progress.

工程进展很顺利。

So, I think there is good progress being made there.

所以我认为在那方面正取得不错的进展。

The patient is making good progress after her operation.

这个女病人动过手术后病情大为好转。

Most of the students are making good progress, but Michael is a hopeless case.

大多数学生都很有进步，唯有迈克尔不可救药。

It's remarkable he's made such good progress.

他进步如此大真不简单。

Don't worry, we're making good progress.

别着急，我们有好的进展。