impregnability

n.

攻不破，不受影响；

Process for improving the impregnability of wood
Enhancing the Impregnability of Text Messages at Multiple Levels
PROCESS FOR IMPROVING THE IMPREGNABILITY OF WOOD BY PRETREATMENT WITH FUNGI
Trichoderma viride for Improving Spruce Wood Impregnability
Processing for improving the impregnability of wood by pretreatment with fungi
BACILLUS SUBTILIS FOR IMPROVING THE SPRUCE WOOD IMPREGNABILITY
Silver impregnability of ischemia-sensitive neocortical neurons after 15 minutes of cardiac arrest in the dog
The Relationship Between Pit Membrane Ultrastructure and Chemical Impregnability of Wood
The Relationship between Pit Membrane Ultrastructure and Chemical Impregnability of Wood
Investigations on the suitability of mercury porosimetry for the evaluation of wood impregnability