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Porous Membranes Thin semi-permeable membranes are commonly used as chemical barriers or for filtration purposes. While the size… Expand Satellite measurements challenge the current understanding of cosmic-ray acceleration and propagation in our Galaxy. Protons and… Expand Five years after the last prostatic carcinoma grading consensus conference of the International Society of Urological Pathology… Expand When liquid 4He is cooled below 2.176 K, it undergoes a phase transition—Bose–Einstein condensation—and becomes a superfluid with… Expand Herein, recent experiments on the spectroscopy and chemical reactions of molecules and complexes embedded in helium droplets are… Expand Solar photospheric and meteoritic CI chondrite abundance determinations for all elements are summarized and the best currently… Expand High-precision stepped-heating experiments were performed to better characterize helium diffusion from apatite using Durango… Expand Abstract A giant magnetoresistance ratio of 30% at 4.2 K and 18% at 300 K was observed for the first time in an Fe/Al2O3/Fe… Expand Helium and heavy-element diffusion are both included in precise calculations of solar models. In addition, improvements in the… Expand Abstract A B.C.S. type of theory (see Bardeen , Cooper and Schreiffer , Phys. Rev. 108, 1175 (1957)) is sketched for very dirty… Expand