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- coal pitch spheres 煤沥青球
- STUDY ON RELATIVITY BETWEEN MEAN DIAMETERS OF ORDINARY PITCH SPHERES AND VISCOSITIES OF THE STARTING COAL PITCHES 沥青球平均粒径与成球原料粘度相关性的研究
- The experiments are done to develop globular activated carbon from coal pitch. 摘要通过实验研究，利用煤沥青研制球形活性炭。
- The results showed that small molecules were effectively removed by immersing pitch spheres with alkyl hydrocarbon solvent at room temperature. 提高溶剂处理温度,容易刻蚀球表面,影响球的外观和强度;
- The formation of pitch spheres is the key step of PSAC preparation,because the characteristics of pitch spheres will affect the properties of PSAC. 沥青球的制备是球形活性炭制备的关键步骤,制备的沥青球的软化点、球形度等指标直接影响目的产品球形活性炭的物性指标。
- The preparation technologies of PSAC are introduced in the article,and attention is paid to the methods of pitch spheres conglobating and recent application of PSAC. 概述了沥青基球形活性炭的制备工艺,重点介绍并比较了沥青球的几种制备方法及球形活性炭的应用进展。
- Pre\|activated pitch\|based carbon spheres were impregnated in aqueous solution of different metallic salts to prepare the pitch spheres containing metal. 将预活化的沥青基炭球在不同金属盐的水溶液中浸渍，使之负载有金属，然后进行活化处理。
- The influence of carbonization and activation technology of coal pitch on property of globular activated carbon is discussed. 探讨了煤沥青炭化活化工艺对球形活性炭性能的影响。
- It also showed that the paint system of zinc-richened epoxy priming paint associated with glass-fibre clothe strengthened epoxy coal pitch was good for submarine cable protecting. 海底输油管线以环氧富锌底漆配以玻璃布增强厚浆型环氧煤沥青漆的涂装体系应用效果最佳。
- It was indicated that the modified coal pitch, which had not only a great deal of mesophase microbead but good thermostability as well, can be qualified to be an excellent carbon precursor. 研究结果表明：改性后的煤沥青不仅出现大量的中间相小球，而且耐热性优良，可作为炭材料优质的基体前驱体。
- 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。
- An investigation of the preparation of coal tar-and petroleum-based pitch spheres and their oxidation stabilization 煤沥青微球和石油沥青微球的制备及其氧化稳定化研究
- Summary of Carrying on Coal Pitch Packaging Project 煤沥青包装项目运行分析
- STUDY ON OXIDATIVE STABILIZATION OF PITCH SPHERES BY THE AID OF AIR 沥青球空气氧化不熔化的研究
- Properties and Application of Coal Pitch 煤沥青的性质及应用
- DISCUSSION ON RHEOLOGIC BEHAVIOR OF COAL PITCH 煤沥青流变性能初探
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Method for determination of coking value of coal pitch 煤沥青结焦值的测定方法
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
