petroleum pitch
英 [pəˈtrəʊliəm pɪtʃ]
美 [pəˈtroʊliəm pɪtʃ]
网络 石油沥青; 石油焦
双语例句
- 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、理与评价方法。 - A by-product of oil refinery and ester diluent are added to improve the compatibility of petroleum pitch with hydroxyl component ( epoxide resin).
添加石油炼制副产品及酯类稀释剂，使石油沥青与羟基组分（环氧树脂）混溶。 - 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。 - A pitch mesophase can be prepared from petroleum pitch and coal tar pitch.
从石油沥青和煤沥青中制取沥青中间相物质。 - 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。 - Machinery for processing industrial products with agricultural and sideline products as raw materials does not come under the scope of this kind of goods. The byproduct of petroleum industry-hard pitch is recommended and the physical and chemical properties are introduced.
以农副产品为原料加工工业产品的机械，不属于本货物的范围。介绍了一种在石油加工过程中产生的特殊副产物－硬沥青。 - 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。 - Carbon foams were prepared from coal tar pitch, petroleum mesophase pitch, and AR pitch.
分别以煤沥青、石油中间相沥青和AR沥青为前驱体制备炭泡沫材料。 - Influence of mesophase content, oxidation temperature and oxidation residence time on the non fusible treatment of mesophase petroleum pitch fibre was investigated under air atmosphere.
以空气作为氧化气氛，考察了氧化温度、氧化停留时间、中间相含量对中间相沥青纤维不熔化处理的影响。 - 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。 - The carbon foams with homogeneous open pores and microscopic domains were obtained from AR pitch and petroleum mesophase pitch.
以石油中间相沥青和AR沥青为原料均能制备出具有分布均匀开孔结构，且微观各向异性的炭泡沫。 - Preparation of Modified Petroleum Pitch by Using Waste High Molecular Materials
利用废旧高分子材料制备改性石油沥青 - 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。 - Development of the Petroleum Pitch Coating Failure and Its Assessment Methods
埋地管道涂层沥青失效及评定方法研究概述 - Non-fusible Treatment of Mesophase Petroleum Pitch Fibre
中间相石油沥青纤维的不熔化处理 - 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 - 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。 - 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 - Petroleum pitch based spheres are more liable to oxidation compared to coal tar pitch based ones.
与煤沥青球相比，石油沥青球更易氧化，但氧化的沥青球表面成为双扩散的障碍，从而抑制沥青球的氧化稳定化； - Investigated and Analyze to the Corrosion and Failure of Petroleum Pitch Coating
埋地钢制管道沥青涂层腐蚀调查与失效分析 - Study on Mesophase Pitch Made by Using Petroleum Pitch
石油沥青制备中间相沥青 - Study of Petroleum Pitch Coal Additive Agent and Slurrying Ability
石油沥青水煤浆添加剂和制浆研究 - 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 - Development of Water-proof Petroleum Pitch Coiled Material Modified by SBS and APP Resins
SBS和APP树脂石油沥青防水卷材的研制 - The current state and the development of petroleum pitch coated on berried steel pipe is reported in the paper, and the factors and assessment methods of petroleum pitch coating failure initiated by soil environment are summarized.
文章介绍了石油沥青用于埋地钢制管道防腐涂层的使用现况、土壤环境下影响沥青涂层失效的主要因素及失效评定方法的国内外研究慨况。 - Fractionation of petroleum pitch by supercritical fluid extraction
利用超临界流体萃取分离石油沥青 - Friction composite material made of carbon fiber from petroleum pitch
石油沥青碳纤维摩擦复合材料 - Application of Photoacoustic Spectroscopy in the Analysis of Petroleum Pitch Based-Carbon Fiber Samples
光声光谱法在分析沥青基碳纤维样品中的应用 - The effects of modified phenolic resins on the performances of the composite friction materials made from petroleum pitch carbon fiber
几种改性酚醛树脂对石油沥青碳纤维摩擦复合材料性能的影响 - 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。