| 1. | The effect of pyrolysis temperature on the production of muti - walled carbon nanotubes by cvd 法制备多壁碳纳米管的影响 |
| 2. | It is shown that the pyrolysis temperature has a great effect on the yield and the properties of the bio - oi1 实验结果表明,热解温度对生物油的产率和性质影响很大,生物油及沥青烯的产率在600 ~ 700达到最大值。 |
| 3. | A0 is bigger when the gasification temperature is higher . as the initial pore structure parameter is affected by the change of pore structure at different pyrolysis temperatures 应用此模型计算四种煤焦反应活化能、指前因子、孔结构参数、 a0等动力学参数值。 |
| 4. | With the increasing pyrolysis temperature , the specific surface area as well as micropore surface area and total volume increased accompanied with the narrower pore size distribution 随热解温度的升高,气凝胶的比表面积、微孔表面积相应增加,孔径分布变窄,孔尺寸缩小,总孔容增大。 |
| 5. | Through the gc analyses and the nuclear magnetic resonance analyses showed that the copolyesters obtained here were random copolymers of 3hb and 3hv units . hv fraction in the copolymers reached 38 % . through thermal analyses showed that the melting point was reduced and pyrolysis temperature was increased 经气相色谱、核磁共振分析,此共聚物为3hb与3hv所组成的不规则共聚物, hv组分在共聚物中约占38 ;经热分析,获得的phbv共聚物的熔点有所降低,分解温度有所升高,在性能上优于phb 。 |
| 6. | The law on component change of carbocoal from different temperature pyrolysis of yanzhou bituminous coal in ordinary pressure fluidized bed in nitrogen atmosphere is analyzed , especial change law of sulfur , and activation energy of pyrolysis carbocoal in different temperature is analyzed in thermogravimetric analyzer , it is found that activation decreases with pyrolysis temperature increasing 摘要利用兖州烟煤在不同温度下常压流化床氮气气氛的热解半焦作为样品,分析了半焦成分变化的规律,特别是硫的变化规律,并利用热重分析仪分析了不同温度下热解半焦的活化能,研究表明随着热解温度的升高,活化能逐渐降低。 |
| 7. | ( 1 ) carbon aerogel and xerogel were made from resorcinol - formaldehyde organic gels and used as the anode materials for lithium ion batteries . by discussing the influences of pyrolysis temperature , the level of the catalyst and the concentration of reactant in the preparation of carbon materials on their behavior of lithium ion storage , their performance of storing lithium ions and process of charge and discharge were studied in details . moreover , the relationship between the structure of carbon aerogel and xerogel and the performance of storing lithium ions was analysed , and the mechanism of the storage of lithium ions in this type of porous carbon materials based on organic gels was also dicussed simply ( 1 )从合成间苯二酚-甲醛有机凝胶出发,制备了碳干凝胶和气凝胶,研究了其作为锂离子电池碳阳极材料的储锂性能,探讨了碳材料制备过程中的热分解温度、催化剂用量、反应物含量等条件对碳干凝胶和气凝胶储锂行为的影响,并分析了碳材料结构与储锂性能的关系以及充放电过程,也简单探讨了锂离子在这类基于有机凝胶的多孔碳材料中的存储机制。 |