The results showed that water and acid wash can make TG and DTG curves of rice straw pyrolysis shift to higher temperature section, and the maximum weight loss rate and temperature increased. 试验结果表明:水洗及酸洗可使水稻秸秆的热解主反应区热重和微分热重曲线向高温侧移动,最大失重速率和最大失重温度升高;
The results of acid wash with different acid concentration, reaction time and acid temperature were discussed. 主要考查了酸溶液的浓度、反应时间及酸溶液的温度等因素对灰份去除结果的影响。
Do not use the days that water, sulfuric acid, acid wash surface. 不要用天那水,硫酸,酸液搽洗表面。
If it is a peach juice usable soap or oxalic acid, then wash detergent to. 如果是桃子汁可用草酸,再用肥皂或洗衣粉来洗。
Newly purchased bottle what needs attention, or else to use acid to wash? 新购置瓶需要注意什么,或者使用酸性清洗?
The reason for corrosion of the sealing surface of the synthetic tower is analyzed, the reasonable welding techniques is made, the processing equipment and method are introduced as well as the acid wash passivation treatment is illustrated in this article. 分析了合成塔顶部密封面的腐蚀原因,确定了合理的焊接工艺,介绍了加工用设备及加工方法,阐述了加工表面的酸洗钝化处理。
Study on the Application of Pre-filming of Sodium uns-hexaphosphate in Acid Wash 六偏磷酸钠预膜方案在酸洗中的应用研究
The analysis of microstructure and polymerization degree shows that the acid wash can alter the cellulose morphology and decrease the polymerization degree largely. 不同酸洗预处理下纤维素的微观结构和聚合度变化表明,酸处理损坏了纤维素的物理结构,并使聚合度大幅度降低。
Experiment results show that ion exchange model 、 acid wash 、 Fe exchange quantity has definite influence for defluoridation effect, by means of acid wash and dynamic exchange model can prominently improve defluoridation effect of defluoridation material; 实验结果表明,改性离子的交换方式、酸洗以及树脂载铁量对脱氟效果有一定的影响,采用酸洗和动态交换方式可显著增大脱氟剂的脱氟效果;
Heavy metal, such as Cu, Pb, Zn, Cd, through the filter, are absorbed in resion, with a little acid to wash. The result is steady and accurate in AAS test. 实际样品中的Cu、Pb、Zn、Cd等重金属离子经过过滤器过滤,被吸附在树脂滤层中,用少量酸洗脱,以AAS测试,结果稳定、准确度高。
Properties and Applications of C& 3 Corrosion Inhibitor for Acid Wash C&3型酸洗缓蚀剂的性能及应用
Research on AX-1 Acid Wash Corrosion Inhibitor AX-1型酸洗缓蚀剂的研究
This paper mainly describes warm and cold extraction methods, by which the flavors of different grades of tobacco from Guizhou are obtained. Further, the neutral flavor substances can be made from the extraction substances by primary concentration, acid wash, alkali wash, final concentration. 本文主要采取了温浸、冷浸两种溶剂提取方法来提取贵州不同等级烟叶的香味物质,得到的提取物经初浓缩、酸洗、碱洗、最后浓缩处理,制得烟草中性香味物质。
New Way of Hydraulic Pressure Pipeline Circular Acid Wash 液压管路的循环酸洗新方法
Experimental study of the influence of acid wash on cellulose pyrolysis 酸洗预处理对纤维素热裂解的影响研究
The paper describes the factors of removing acid gas through caustic washing and the problems of caustic wash tower in long life cycle of the ethylene plant and related treatment measures. 叙述了影响碱洗法脱除酸性气的因素和碱洗塔在乙烯装置长周期运行出现的问题及对策。
To eliminate influence of salt and other impurities, the products need to wash with distilled water and dilute chlorhydric acid, then wash with dilute hydrochloric acid under supersonic wave assistant. 通过自来水冲洗稀盐酸浸泡、洗涤在超声波辅助作用下稀盐酸洗涤,可减少熔盐及其它杂质对电解产物检测结果的影响;