Many new natural product-derived pharmaceutically active compounds and compositions, each effective in treating an array of diseases and maladies including various tumors and HIV, have been reportedly isolated from different sources of vegetation, including the bark of yew trees, needles, leaves, fu
New prospects from potential applications of quasicrystalline materials
β Scribed by Jean-Marie Dubois
- Book ID
- 108466961
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 86 KB
- Volume
- 294-296
- Category
- Article
- ISSN
- 0921-5093
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## Abstract Review: 254 refs.
At the ultracold neutron (UCN) source of the TRIGA research reactor in Mainz, we have measured for the first time the material optical wall-potential of cubic boron nitride. The measurements were performed with a time-of-flight (TOF) spectrometer. The samples investigated had a wall-potential of Γ°30
97% was obtained with Herschel-Bulkley modelling what may be relevant for design project. For all carbon sources tested, shear stress increased with the shear rate and flow behaviour index, n, was higher than 1, suggesting a non-Newtonian fluid regime with a dilatant behaviour. This work suggests