Isotactic polypropylene (iPP) has several different
crystal forms including the monoclinic a-form, the hexagonal [beta]-form, the orthorhombic [gamma]-form and the smectic mesophase[1-4].
Includes diagrams to show how different types of rock are made and the layout of atoms in different crystals (with analogies such as likening the arrangement of atoms in a crystal to tomatoes packed together), amazing photographs of various
crystal forms found around the world and definitions of key words/phrases at the bottom of some of the pages.
Even the ROM's Michael Lee-Chin Crystal structure was inspired by the
crystal forms in the ROM's galleries.
If a patent resulting from the provisional application is granted, it will include novel synthesis routes,
crystal forms and pharmaceutical compositions of AEOL 10150 and related porphyrin compounds.
For most minerals, a range of figures is presented, beginning with figures showing a minimum of
crystal forms (usually only one) and ending with figures which combine all of the observed forms.
The company is also developing biofuels, biobased products and novel
crystal forms of drugs.
A joint team from the University of Cambridge and the Pacific Northwest National Laboratory (PNNL) in the US is testing the effectiveness of storing radioactive waste in different
crystal forms.
In the town's museum of sacred art, the artist's delicate
crystal forms, placed in a steel cradle in front of a Renaissance painting of the Annunciation and inserted into black steel silhouettes of iconic Tuscan buildings, suggested the infinite architectural possibilities inherent in the most fundamental architectural form, the biological cell.
Primary particles of 50 nm in diameter in mixed
crystal forms of calcite and vaterite were found to comprise the spherical hollow particles as the secondary structure.
He and his colleagues have discovered several new
crystal forms of those minerals at Pennsylvania coal fires.