THE portions of the title-pages we have above given sufficiently indicate the scope of the two works under review and the measure of acceptance they have met with. As we have already given an account ...
Chinese scientists have developed a new device of 3D hollow-cone structure that can greatly increase the solar-thermal conversion efficiency. The device, named ‘Artificial Transpiration’ by Zhu Jia ...
THE merits of this book are so well known that comment is almost needless. Nearly thirty years have passed since it was first published, and since then a few additions have been made from time to time ...
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