活性硫

证明了铜丝带腐蚀是由石脑油中的H2S和活性硫引起的。

The copper belt corrosion was caused by H2S and active sulfur in naphtha .

介绍了在低温条件下，活性硫对油品储罐的腐蚀及腐蚀产物FeS的绝热氧化升温过程。

Corrosion in petroleum tanks caused by active sulfur in low temperature conditions is described in detail , and the course of oxidation of the product of corrosion , iron sulfide is investigated in adiabatic condition .

本文考察了2,5-二巯基-l，3,4-噻二唑（DMTD）几种衍生物防止铜受活性硫腐蚀的效果。

The effect of using 2,5-bis - ( alkyldithio ) - 1,3,4-thiadiazole to prevent corrosion of copper by active sulfur was investigated .

同时对添加剂的抗腐蚀作用机理进行了研究，DMTD衍生物添加剂在油相中可捕集活性硫，生成非腐蚀性硫化物，抑制银片腐蚀。

The anti-corrosion mechanism for the inhibitor was studied , the reaction of DMTD derivative with the active sulfides in oil phase produce nonactive sulfides , thus , the silver strip corrosion was inhibited .

原油及其馏分油中活性硫的测定方法

Testing Methods for Active Sulfur in Crude Oil and Distillates

活性硫及其在中东原油中的分布

Active sulfurs and their distribution in Middle East crudes

活性硫极压添加剂复合的润滑特性

The Lubricating Property of Active Sulfur Extreme-pressure Agent Mixture

含硫原油炼制过程中活性硫腐蚀

Corrosion by active sulfur species in petroleum refineries

高硫原油在加工过程中，由于存在非活性硫不断向活性硫转变，由硫引发的各种硫腐蚀就贯穿于炼油的全过程。

In the processing of production of high sulfur crude oil , owing to the existing non ?

含不活性硫，当正常加工物料是钢铁时，可减少因偶尔转切削铜金属而转换油品的麻烦。

In-active sulphur to eliminate the trouble to change over to cuprous metals while the normal materials are ferrous metals and steels .

硫化脂肪酸酯加入不同的基础油中，随油品中活性硫含量的升高，油品的承载能力增强；

It was also observed that for all the base fluid tested , their loading capability was improved with the increase of active sulfur content .

用热力学分析了原油中总硫和活性硫的关系；最后探讨了活性硫的探测方法。

The relationship between the total sulfur and active sulfur in crude oil was thermodynamically analyzed , and the method for active sulfur monitoring was finally studied .

试验表明：活性硫改善了齿轮油的极压性，对抑制铜腐蚀性、防锈性能和抗氧化性能均有不利的影响。

It is concluded that active sulfur compounds may improve the oil 's EP property but harm inhibition of copper corrosion , antirust property and anti-oxidation stability .

对原油及其馏分油中元素硫、硫化氢、硫醇硫、二硫化物、腐蚀性硫、总活性硫以及单体活性硫化合物的分析方法进行了综述。

The testing methods for element sulfur , hydrogen sulfide , mercaptan sulfur , bisulfide , corrosive sulfide , total active sulfur and single active sulfide were reviewed .

分析了喷气燃料中导致银片腐蚀的两种物质活性硫和微生物，讨论了它们的来源。

Active sulphur and microbions may cause unquanlified results for silver strip corrosion test of jet fuel , which were then analysed and discussed especially from where they came .

通过铜片腐蚀试验和活性硫测定，发现氧化硫烯腐蚀性上升的主要原因是由于反应生成的亚砜和砜造成的。

From the data of the determination of copper corrosion and active sulfur of the additives , it can be found out that sulfoxide and sulfone cause the severe copper corrosion .

实验结果表明，高硫渣油系统中A3钢的腐蚀是由活性硫引起的高温硫腐蚀，并未发生钒腐蚀；

Based on the present results , we concluded that the corrosion of A3 steel was not vanadium corrosion but sulfidation that was caused by active sulfur in high-sulfur residual oil system ;

还介绍了硫化钠生产过程中降低及分离金属化合物、铁及活性硫的方法和用工业方法生产超低铁、低硫、低杂质白色硫化钠的工艺过程。

The measures for decreasing and separating the metallic compounds , Fe and active sulfur from the production of Na_2S are introduced . And also the process for producing white Na_2S with superior low Fe , low S and low impurities is introduced .

石油炼厂减二线油中含有少量的环烷酸，当温度高于200℃时，其中的环烷酸与高温活性硫的共同作用，加剧了金属设备的腐蚀。

Heavy oil from oil refinery plant contains a little naphthenic acid , thus the combined effect of naphthenic acid and active sulfur at high temperature will result in more serious corrosion of metal equipment as the temperature is higher than 200 ℃ .

通过试验测试，分析了俄罗斯和哈萨克斯坦原油中总硫含量和活性硫的分布，讨论了原油中活性硫与总硫含量、活性硫与腐蚀间的关系。

The content of overall sulfide and distribution of active sulfide in Russian Crude Oil and Kazakhstan Crude Oil are analyzed by means of experiment and examination , and the relationship between active sulfide and overall sulfide and that of active sulfide and corrosion are discussed .

巯基嘌呤甲基转移酶活性和硫鸟嘌呤核苷酸浓度检测在6-MP个体化化疗中的意义

Significance of TPMT activity and TGNs level detection for individualizing 6-mercaptopurine chemotherapy

目的探讨caspase3活性在硫芥诱导淋巴细胞凋亡中的变化和其四肽抑制剂AcDEVDCHO对细胞凋亡的干预作用。

Objective To investigate the changes of caspase 3 activity and the interventional effect of tetrapeptide AC DEVD CHO on sulfur mustard induced apoptosis of lymphocyte .

结合Fe－S合金熔体，该模型认为：表面活性元素硫在表面富集，其表面层除了有S、Fe原子以外，还有FeS、FeS2分子存在。

This model suggests for Fe-S alloy melt that the surface layer with higher sulphur concentration consists of iron , sulphur atoms and FeS , FeS 2 moleculars .

表面活性元素硫对焊接熔池中流体流动方式和熔池深宽比的影响

Effect of Surface-Active Element Sulfur on Flow Pattern and Aspect Ratio of Weld Pool

小试中重点考察了脱硫剂的活性、硫容、寿命以及脱硫剂的再生。

In this experiment , the activity , life and SO_2 capacity of desulphurizer and the performance of desulphurizer regeneration are studied .

表面活性元素硫主要是通过改变熔池中流体的流动方式来影响熔池的形状和尺寸。

Sulfur can significantly influence the shape and size of the weld and final weld metal solidification structure by altering flow patterns .

与传统的合成方法比较，提出的新合成方法减少了合成步骤，缩短了合成时间，避免了带活性甲硫基季铵盐的合成及纯化步骤，降低了合成成本。

Compared with the traditional methods , the new synthetic method reduces the reaction steps , shortens the reaction time , avoids the separation and purification of the intermediate and reduces costs .

表面张力温度系数是熔池表面温度和活性元素硫含量的函数，表面张力不仅仅与硫含量有关，而且还与熔池表面温度关系密切。

The surface tension coefficient is a function of both temperature and composition . It is shown that the weld penetration and the aspect ratio are not only determined by the level of the surface-active element , but also the temperature distribution on the weld pool surface .

钐的加入可提高Ni－B非晶态合晶的热稳定性、催化活性和抗硫性。

The addition of a small amount of Sm improves the thermal stability , activity and sulfur resistance of amorphous Ni-B alloy .

W系催化剂也因其优异的加氢活性和耐硫性能在深度加氢脱硫过程中展现出良好的应用前景。

W-based catalysts are known for their hydrodesulfurization ( HDS ) activity as well as higher hydrogenation activity and sulfur tolerance .