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Initially, the team used a silicon wafer as a substrate, but found that the tape's adhesive power increased by almost 1,000 times if they used a soft bonding substrate such as Scotch tape. This is because the flexible substrate yields a much higher ratio of the number of setae in contact with the surface over the total number of setae.
However, these same properties, combined with the lack of traditional gum adhesive, make tape removal, if needed, quick, clean, and easy. Another form of self-amalgamating tape is made from ethylene propylene rubber (EPR) and has similar uses as silicone self-amalgamating tape but is non-vulcanising and has good moisture resistance. It is ...
The Gaussian binomial coefficients are defined by: [1] = () (+) () ()where m and r are non-negative integers. If r > m, this evaluates to 0.For r = 0, the value is 1 since both the numerator and denominator are empty products.
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