ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] The identity of the white powder was checked by X-ray diffraction analysis, by matching 28 of the lines on the film with those given by Stishov and Popova2 in their 1961 paper announcing the synthesis of this high-density polymorph of silica. The line (d = 2.09 A) was observed from our sample. ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/196266a0