Wood moisture contents directly affect the structure stability of plaster and painting and colored drawing. For example, excessive wood moisture will lead plaster to cracking and spalling.
木基材含水率直接影响到地仗层与油饰彩画层结构的稳定性,含水率过高将导致地仗开裂、空臌、剥落等。
2
The thermal stability ofthe crystal structure of modified USY zeolite is increased, and n-hexane cracking activity ina pulse micro-reactor is decreased, while the olefin selectivity is increased.
改性后超稳Y型分子筛的晶体结构热稳定性增加,脉冲微反试验的正已烷裂解活性下降而烯烃选择性得到提高。
3
The influence of the soil shearing strength index on slope stability is recommended, and the inducing factor of rainfall on formation cracking and slip failure in the surface of slope is presented.