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Guiyang anticorrosion wood in what way should we raise awareness?
1。 The decayed and humid anticorrosion wood is prone to fracture perpendicular to the direction of the texture, while the healthy wood does not have this phenomenon。 Due to decay, reduce wood toughness, making it easily broken, it can be pressed by hand, or with a small chisel from the surface of the wood cut from a piece of wood to the detection method of the detection, wood preservative must keep wet, otherwise, even if the injury will occur that Kang wood fracture。 The fragility of wood caused by decay can sometimes be seen from the degree roughness of the surface of the silver cut or the surface of the planing light。
865棋牌APP2, wood by other living things in the same pair will decay, such as Lun worm holes, uneven distribution of blue spots, serious mildew etc.. Therefore, any of the above signs of wood Haruki should be carefully examined.
Further inspection must be made if the above phenomena are on the anticorrosion wood used without decay. Decadent anticorrosion wood. Under the microscope, it can be seen that the mycelium passes through the perforation of the wall of the anticorrosion wood cells. If you find there are many holes in the colorless hyphae of wood cell wall, so be sure that the seedlings have decayed, wood preservative begins to decay.
But the nitrogen is not necessarily carbon material in the Han Ming Kimura did not support that is because some rot rotten rats or in some cases, only to the decay stage, namely decay seriously, will be on the cell wall perforation occurred. A small piece of wood is taken from it and put on a culture medium. After growing it, the shape of mycelia is observed under microscope. It is also a way to distinguish whether the preservative wood is rotten. There is money to pull the mycelia of Samara island so sure that there exists Yin decay.