petroleum pitch
英 [pəˈtrəʊliəm pɪtʃ]
美 [pəˈtroʊliəm pɪtʃ]
网络 石油沥青; 石油焦
双语例句
- To date, Carbon foam was prepared by submitting coal tar pitch, petroleum mesophase pitch and polymer to cracking foaming, physical foaming method and template method mainly.
目前泡沫炭的制备主要以煤焦油沥青、石油中间相沥青、高聚物等通过自裂解发泡法、物理发泡法及模板法制备。 - Petroleum pitch binders from ethylene tar by thermal condensation
乙烯焦油热缩合制取石油沥青粘结剂&芳基石油沥青研究第一报 - Coal-tar pitch-based carbon microspheres were prepared by adding petroleum pitch using emulsifying pitch-toluene colloidal solution in polyvinyl alcohol ( PVA) glycerol solution.
通过在煤焦油沥青中添加石油沥青获得沥青甲苯胶体溶液，然后与聚乙烯醇（PVA）的甘油溶液乳化，制备了煤沥青基炭微球。 - Preparation of carbon support membrane from petroleum pitch by binderless molding method
石油沥青无粘结剂成型制备炭支撑膜 - The research status and development orientation of impregnating pitch at home and abroad are described, focusing on the technologies of production impregnating agent pith taking petroleum pitch and petroleum-coal tar pitch blends as raw material.
综述了国内外浸渍剂沥青制备技术的研究现状与发展方向，主要介绍了以石油沥青和石油-煤沥青为原料制备浸渍剂沥青的技术。 - Discussion on the assessment of petroleum pitch coating failure
埋地钢质管道沥青外覆盖层保护失效评价概述 - Fractionation of petroleum pitch by supercritical fluid extraction
利用超临界流体萃取分离石油沥青 - It was found that petroleum pitch addition could improve the sphericity of pitch spheres by stabilizing the surfactant orientation on the interface between pitch molecules and dispersant.
研究发现，添加石油沥青可以促进乳化液中沥青分子与分散剂界面上表面活性剂分子的取向稳定性，从而明显改善沥青微球的球形度。 - The coal tar pitch spheres was easy to be stabilized compared with the petroleum pitch spheres when they had similar softening point and naphthalene content.
较低软化点的石油沥青球比煤沥青球表面更易于刻蚀更难于氧化稳定化。 - Co carbonization with petroleum pitch is of some advantage on economy.
石油沥青共炭化在经济上具有一定的优势。