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” says CEO John W. Ford Sr. “We received nearly the same number of entries as last year—upwards of 375—with a category distribution similar to last year. Evening Wear garnered the most entries at 75, and Men’s Wear had 27 entries, which reflects a slight increase. We also have ...
To see if and how abrasive potential as well as drilling efficiency change due to rock heating, Cerchar scratch tests were performed on six types of rock a
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The constituent phases and their chemical compositions for the different samples investigated are summarized in Table 2. Each reported composition in this table is the average of TEM/EDS results obtained from at least 4 grains of each phase. The proposed 1250 °C isothermal section, which incorp...
2Tihnisdhisassoaluctcioorndeinxgpleyrrimaiseendtsthine water4. order to interest understand the long term dis- in the interaction of CaF2 with Despite the apparent importance of the fluorite/water interface, it has been challenging to obtain detailed insights into this interface at the molecular-...
In the Raman spectra of these samples, besides the F2g Raman mode of fluorite structure, two additional modes appear approximately at 600 and 546 (550) cm−1. These modes are attributed to intrinsic and extrinsic O2− vacancies. The O2− vacancies originating from the nonstoichiometry of ...
visually and photographically then a similar design (aperture and focal ratio) using a "lesser" ED glass like FPL51 at least in the sterile confines of optical design software. But its not always the case in real life as the best mates may not be available, can have poor internal quality...
Fluorites, including new finds from an ancient mine actually underneath urban Bejing, China An assortment of wonderfully aesthetic mixed minerals, specializing in China A sale case of Jack Halpern Collection cabinet-sized specimens at very affordable prices, honoring his wish to spread his minerals ...
Finally, AgO, also exemplifies condition (iii), since it remains disproportionated to a pressure of at least 1 mln atm [11]. Here, we look at the particularly interesting case of an elusive AgCl2 where, as we will see, both types of redox instabilities may happen. Since the standard ...