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- modified pitch road 改性沥青
- The thermal weight loss of asphaltene in the pitch road building oil modified with different additives is studied with derivative thermo-gravimetric analyzer in inert atmosphere. 在惰性气氛中,利用差热分析仪研究了不同添加剂改质煤沥青筑路油中沥青质的热失重情况。
- It is obtained by distilling soft pitch in modified pitch column under certain pressure and temperature after certain time heating. 中温沥青经过在一定的压力和温度下,经过一定时间热处理获得。
- Through the comparison among typical modified pitch production processes and features both at home and abroad,the value and position of ACRE's modified pitch process have been established. 并同国内外典型改质沥青工艺特点进行了比较，认为ACRE改质沥青工艺具有重要实用价值。
- In view of domestic coal tar based pitch and actual existing problems,describes the modified pitch process and technique in about ten commercial units which were developed by ACRE,constructed and commissioned in China recently. 根据国内煤焦油沥青产量和存在的现实问题，介绍了由鞍山焦化耐火材料设计研究院（ACRE）开发并投产的近十套工业装置的改质沥青工艺技术。
- By cooling modified pitch with water, solid pitch is obtained, which should be transported in bulk by trucks or by cargo train .It is in the category of dangerous product stipulated by the Ministry of Transportation. 改质沥青经水冷却后而得固体沥青，卡车或火车散装运输，按交通部危险品运输办法办理。
- High quality modified pitch for carbon materials were prepared from medium-temperature coal tar pitch with an acid(PTS)as catalyst and with divinylbenzene(DVB) as cross-linking agent. 以二乙烯基苯(DVB)为交联剂,在对甲苯磺酸(PTS)的作用下对中温煤沥青进行改性,制备出性能优良的炭材料用改性沥青,并对改性沥青的性能进行表征。
- The function of high quality anode in the process of aluminium electroanalysis is introduced and the influence of every ingredient of modified pitch on itself and the anode quality is expatiated. 文章介绍了优质阳极对铝电解生产的积极作用，阐述了改质沥青各组分含量对其性质的影响，以及对阳极质量的影响。
- How to Guarantee Engineering Quality of the Pitch Roads in Production Area of Baotou Steel Co. 如何保证包钢厂区沥青路的工程质量。
- Coal tar pitch was modified by adding pyridine borane.The effect of reaction conditions on the properties and components of modified pitches was investigated. 以吡啶硼烷为添加剂对煤焦油沥青进行改性,考察了工艺条件(硼添加量,反应温度,反应时间)对改性沥青软化点、残炭值及其族组成的影响。
- Coal tar pitch was modified by adding pyridine-borane.The effectof reaction conditions on the properties and components of modified pitches was investigated. 以吡啶硼烷为添加剂对煤焦油沥青进行改性，考察了工艺条件（硼添加量，反应温度，反应时间）对改性沥青软化点、残炭值及其族组成的影响。
- Abstract： Coal tar pitch was modified by adding pyridine-borane.The effect of reaction conditions on the properties and components of modified pitches was investigated. 摘 要： 以吡啶硼烷为添加剂对煤焦油沥青进行改性，考察了工艺条件（硼添加量，反应温度，反应时间）对改性沥青软化点、残炭值及其族组成的影响。
- Compound Proportion Design of the Layer Under Super Pitch Road 高性能沥青路面下面层配合比设计
- On Reason and Prevention of Poor Smoothness of Pitch Road 浅谈沥青路面平整度差的原因及防治
- During manufacturing electrodes, using pitch with1% TEP non-ino surfactant additives as binder can modify pitch's infiltrativity to clectrodes and the plasticity of paste. 在电极生产中，使用添加1%25的TEP非离子表面活性剂的沥青作粘结剂可改善对电极的浸润住和改善糊料的塑性。
- The busy road outside the school is a menace. 学校外面那条车水马龙的大道是个危险之地。
- There was a steep climb on the road out of town. 市外公路上有一处很陡的上坡路。
- Application research pitch road face cooling rebirth technology 沥青路面现场冷再生技术的应用研究
- Compared with the pure pitches, pyridine borane modified pitches had higher softening points, carbon yields and PI fraction content at the same reaction conditions. 在同一反应条件下,体系有无吡啶硼烷,所得结果有显著差别。吡啶硼烷改性系列的软化点、残炭值及PI组份的含量均明显高于纯沥青系列。
- A careless driver is a menace to all road users. 漫不经心的驾驶员对于路上所有车辆和行人都是危险的。
