曾候乙墓穴木椁微生物降解对木材危害及防治措施研究

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从曾候乙墓分离到的16株菌,其中有11株为芽孢杆菌属类,4株微杆菌属,1林为黄色杆菌属。将16株细菌分别侵染6种木材,结果证明细菌降解对6种木材均有不同的韧性下降,个别木材出现腐烂病灶。2号菌降解后对泡桐、枣树、马尾松、香樟、刺槐和桑树分别下降8%,12%,10%,5%,10%和13%。3,5,6,7,8,9和16号菌对上述6种木材也有不同程度影响。而4,11,12,13,14和15号菌对6种木材的韧性下降影响不明显。但其渗透性大大提高了,因此也会影响木材的使用年限。采用杀菌、杀虫的石油气,乙醇等有机溶济,防治微生物降解产物对木材的浸蚀,均有较好的防菌、防认腐效果。 Of the 16 strains isolated from the Tomb of Zeng, 11 were Bacillus species, 4 Microbacterium species and 1 was Yellow Bacillus species. Sixteen kinds of wood were inoculated respectively by 16 strains of bacteria. The results showed that bacterial degradation had different toughness on 6 kinds of wood, and some wood appeared decayed lesions. Degradation of No. 2 strain decreased 8%, 12%, 10%, 5%, 10% and 13% of the paulownia, jujube, Pinus massoniana, camphora, locust and mulberry trees, respectively. 3, 5, 6, 7, 8, 9 and 16 have different degrees of influence on the above six kinds of wood. However, the effects of 4, 11, 12, 13, 14 and 15 on the ductility of 6 kinds of wood were not obvious. But its permeability has greatly increased, so it will also affect the useful life of wood. The use of bactericidal, insecticidal petroleum gas, ethanol and other organic solvents, the prevention and control of microbial degradation products of wood erosion, have better anti-bacterial, anti-corrosion effect.
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