nailspulloutfrictionwoodinterface strengthadhesionmolecular aspects of strengthpolymer interfacescompositesAs a useful model to examine adhesion at interfaces, we analyze the following problem: Consider two cantilever beams of wood nailed together by n nails per unit area with penetration length L. ...
Lead poisoning is excreted in feces and urine from human body, but it may also become visible in nails, hair, breast milk, and saliva [6, 7, 8, 9, 10]. Due to the toxic efficacies of lead on human body, it should be taken out from industrial wastewater [11]. A great deal of ...
Weak nailsBrittle nails are fragile or split nails; they affect 20% of the population and may be primary or secondary to different conditions. The aim of our studies was to evaluate the efficacy and tolerability of a new water-based nail-strengthening treatment containing hyaluronic acid and ...
This has been seen for weak polyelectrolytes including poly(methacrylic acid) (PMA) [22,37,79], polyacrylic acid (PAA) [22,32,37,80], poly(4-vinylpyridine N-oxide) (PVPNO) [65,66], and a maleic acid-co-polymer [37,76]. When there are sufficient surfactant molecules to have a ...