查询词典 sulfurization

These processes resulted i n the formation of peculiar dunites in the hyperbasite complexes ,development of low-sulfide horizons and hortonolite dunites in the basite-hyp erbasite layered intrusions (platinum-group metal deposits),and specific proces ses of transmagmatic sulfurization of the iron-rich igneous differentiates (Cu -Ni sulfide and Cu-Zn-Pb sulfide ores).

这些作用导致产在超基性杂岩中的特殊纯橄榄岩、基性超基性层状侵入体中的低硫层和铁镁橄榄石纯橄榄岩的形成，以及富铁火成分异岩的透岩浆硫化作用(Cu-Ni硫化物和Cu-Zn-Pb硫化物矿石)。

The low temperature properties of the binders were greatly improved, the dynamic mechanical properties of SBR-modified asphalts before and after oxidation or sulfurization were characterized at -30~100℃ by using dynamic shear rheometry. The results show that the addition of SBR1500 increased the binder elasticity at low temperature.

结果表明，加入粉末SBR1500后改性沥青材料薄膜前后的延度和流变性能都有明显的改进，而硫化共混改性可显著提高低温下改性沥青的粘弹性能。

It was showed that the nanoparticle ZnO may shorten the sulfurization time and improve mechanics performance of the rubber.

结果表明，和普通氧化锌在同等用量时，纳米氧化锌可以缩短胶料的硫化时间，提高胶料的力学性能。

In order to explain the phenomenon, the process of activation sulfurization of LaCoO 3 in the presence of oxygen was studied by XPS, XRD and TEM methods.

在氧化气氛下预处理会产生更多的阳离子空位，从而使其CO高温氧化活性明显升高；在还原气氛下预处理会产生更多的氧离子缺陷，从而使其CO低温氧化活性明显升高[1] 。

The valence variety on LaCoO 3 surface in various processes of activation sulfurization was investigated.

然而 ，在SO2 存在下，钙钛矿LaCoO3表面的活性中心发生硫酸盐化而使催化剂失活[2 ] 。

The effects of various factors, such as sulfurization time, temperature, sulfurization pressure, the concentration of sulfureted hydrogen, the concentration of hydrogen, granularity of catalyst and so on, are studied.

利用程序升温硫化技术，对负载在不同载体上的Co和Mo系催化剂的硫化过程进行了研究，分析了活性组分Co、Mo在催化剂硫化过程中的形态变化以及催化剂的硫化机理，同时还探讨了载体在催化剂硫化过程中的作用。

Effect of sulfurization time, water content, oil as well as sulfur on spontaneous combustion of iron sulfide is investigated on the same sulfide formed from Fe2O3. It indicates that long sulfurization time, some oil, sulfur as well as good ventilation condition could accelerate oxidation and temperatures rise, but uncertain water content and poor ventilation condition lessen the spontaneous combustion tendency.

以Fe2O3的硫化产物为典型样品，研究了硫化时间、水分、油品、硫及通风条件对硫化铁氧化升温特征的影响，结果表明，硫化时间长，适量的油品和硫以及良好的通风条件能够加速硫化铁升温过程，而一定的水分及不良的通风条件则降低了硫化铁的自燃倾向性。

The time of sulfurization is shorter, the temperature of bed layer is stable, and the activity of catalyst is high, while it is used for the sulfurization of Co-Mo catalysts.

进行钴—钼系催化剂硫化，具有硫化时间短，床层温度平稳等特点，且催化剂可获更高活性。

For the perovskite LaCoO 3 samples before and after activation sulfurization, the experiments of SO 2 TPD, O 2 TPD, and CO combust ion in the presence of SO 2 showed that the activation sulfurization of LaCoO 3 can inhibit the formation of sulfate.

通过对硫化前后的催化剂进行O2 TPD和SO2 TPD分析，认为CO还原SO2反应机理可能是在一定的温度下，在钙钛矿LaCoO3 上发生CO氧化燃烧反应，在硫化物La2 O2 S上发生CO还原SO2 反应，两者相互促进

And sulfurization modification is improved the complex modolus G(superscript *) and elasticity property at high temperature, when G(superscript *)/sinδ=1 kPa, the temperature of PMA is 10℃ higher than the base asphalts after sulfurization, also the δ became smaller than the base asphalts, their temperature susceptibility is reduced to a great extent. It indicates that the viscoelasticity of the modified binder had been improved effectively at the high temperature.

低温性能明显改善；同时高温性能得到提高，改性沥青的车辙温度G(上标*/sinδ=1kPa比基质沥青提高约10℃；粘度增大，复合模量提高，在高温区的相位角和损耗因于变小，从而改善了沥青高温粘弹性能。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失