The influences of different sulfonated lignite as compatible material on quality estimation of sulfomethyl phenolformaldehyde resin(SMP) were analyzed by experiments.
实验分析了作为配伍材料的磺化褐煤对磺甲基酚醛树脂质量评价的影响。
2
We made a noise-measure model and a PE model by using phenol-formaldehyde colophony.
利用苯酚甲醛树脂制成噪声测量模型和肺动脉栓塞（PE）模型。
3
Objective: To explore the microbial inhibitory effect of phenol-formaldehyde resin in sealing up pits and fissures.