爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.Abstract: This article mainly introduces the preparation of petroleum pitch coal additive agent and the slurrying ability of coal on adding petroleum pitch.
文摘:主要介绍了石油沥青水煤浆添加剂的制备和在煤中掺入石油沥青的制浆性能。收藏指正
2.The failure forms, causes and methods to appraise petroleum pitch coatings are summarized in the present paper.
文章概述了沥青外覆盖层保护失效的形式、机理与评价方法。收藏指正
3.In order to offer more reliable basis for project practice of pipelines, it is very important to study the assessment of petroleum pitch coating failure.
为了对管道检测的工程实践提供更为可靠的依据，管道覆盖层保护失效的评价研究十分重要。收藏指正
4.The byproduct of petroleum industry-hard pitch is recommended and the physical and chemical properties are introduced.
摘要介绍了一种在石油加工过程中产生的特殊副产物－硬沥青。收藏指正
5.The graphitized cathode block samples have been trial-produced using high quality ECA (Electrically Calcined Anthracite) rationed petroleum coke and pitch coke and quantitative pitch used as raw materials by the conventional carbon technics concluding moulding, baking, high pressure impregmating, after-baking and graphitization.
摘要选取优质电煅无烟煤，分别配以一定比例的石油焦和沥青焦作为骨料，与煤沥青混合后按照模压成型、焙烧、高压浸渍、二次焙烧和石墨化等常规炭素制品生产工艺流程制备石墨化阴极材料试样。收藏指正
6.The results show that petroleum-based MCMB need lower oxidation temperature, while coal tar pitch-based MCMB need higher ones for the optimal self-sinterability.
研究结果表明:为了获得最佳的自烧结性能，对于石油基MCMB需在较低的温度下进行氧化处理，而沥青基MCMB需要在较高的氧化温度下处理。 并且最终炭材料的性能随着氧化时间的延长先提高后降低，沥青基MCMB在300 OC氧化45min，性能达到最好，密度和弯曲强度分别为1.649/cm，和收藏指正
尝试查询
汉英释义