A strong post resting on the keelson, and supporting a beam of the keelson, and supporting a beam of the deck; also, a temporary or movable pilar carrying a leading block or pulley for various purposes. In deepwell boring, the post which supports the walking beam of the apparatus.
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... It seems that at a pH of 11, amylase will not act at its optimum performance. As for the test I recommend you to visit http://samson.kean.edu/~breid/enzyme/enzyme.html I think we used to use bread as a starch source.
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