查询词典 petroleum

During the combustion, the specific surface area and pore volume of petroleum coke increases at first, decreases secondly and increases at last.

石油焦的比表面积和孔容积比煤的小，但却有较好的反应性。

According to the practical experiences of boilers, some ways are provided to avoid the problems in boilers burning petroleum coke.

结合工程实际，对燃烧石油焦锅炉中可能存在的问题进行机理探讨并提出解决问题的方案。

Petroleum coke can be used as either a primary or a secondary fuel.

石油焦炭既可用作初级燃料也可用作二级燃料。

The slag degree of petroleum coke ash belongs to the middle degree.

这一现象在燃烧石油焦的流化床中也被观察到。

Determination of iron content in petroleum coke by induced couple plasma atomic emission spectrometrywas studied.

在生产中对优质石油焦的要求很严格，优质石油焦中微量元素的多少直接影响到工业电极性能的好坏。

In this paper a novel circular economic development mode in oilfield and petrochemical enterprises is presented,which is based on the polygeneration system using discarded petroleum coke as feedstock.

提出了一种新型的、利用基于石油焦的多联产系统实现油田石化企业产业链整合的循环经济模式。

We produce the high quality of Fushun Plant calcined petroleum coke is to create high-quality and high-power electrodes necessary for raw materials, its characteristics are more obvious in the order, the conductivity of the products has increased, the quality of its consistency than other oil Coke, and can guarantee that 100 tons to 10,000 tons of structural consensus, it is another characteristic.

我们生产的抚顺二厂优质煅烧石油焦是制造优质和高功率电极所必须的原材料，它的特点是有比较明显的顺序性，对制品的导电性有所提高，它的质量一致性比其他石油焦好，可以保证100吨到10000吨的结构一致，是它的另一个特点。

It was found that both n-hexane and petroleum ether were good solvent for ultrasonic-assisted process.

结果表明，正己烷和石油醚作提取溶剂效果较好。

It indicated that the allelopathic substances were mainly in the petroleum ether fraction.

结果表明，克生活性物质主要集中在石油醚相中。

After further training solution to the petroleum ether extraction of oil residue collection, and Determination of the degradation rate.

再将培养后的溶液以石油醚萃取法收集残留的石油，用紫外分光光度法测定其降解率。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。