It was soon issued again under the title THE AMERICAN SPELLING BOOK, and in this form about 80 million copies were sold during the next hundred years. From a profit of less than one cent a copy, Webster got most of his income for the rest of his life. Not only did the little book ...
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Hai et al. [93] have determined that failure under tensile loading is dependent on the amount of aramid resin. In partic- ular they show that ARALL laminates have a high resistance to the growth of fatigue cracks and express a high tensile yield strength. Through this, the load/mass ...
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). Abstract: Aimed at improving the production efficiency of tetrahedron-like pervious frames for the river revetment...