High purity quartz is fused to make premium grades of chemical and optical glass for which one or more of its desirable properties of low thermal expansion, high-shape stability, elasticity, low solubility, and transparency to various kinds of light can justify the greatly increased costs involved.
Besides the environmental concerns – about a quarter bottle of oil is needed to produce and deliver a bottle of water – those who advocated the ban also argued that bottled water was a way of creating access to a separate, premium grade of water for the affluent, while investment in public supply systems falls short of the needed upkeep.
Regular and premium grades declined by similar amounts.
For premium grade, pressure-treated yellow pine decking, Mr. Hyman said, he charges $14 a square foot.
(On the other hand, burning low-octane gas in an engine tuned for premium grade can cause erratic combustion, or knocking, and result in severe engine damage).
Ethanol's higher octane rating (around 96 compared with 91 for premium grade petrol) allows them to have a higher compression ratio and thereby deliver more power as a result.
The album takes its name from a slang term for premium grade cannabis, Chronic.
For example, it is higher on premium grade petrol (€0.6069 per litre) than diesel oil (€0.4284 per litre).
Streptavidin-phycoerythrin (premium grade; Invitrogen Corporation) was added to the beads (1 100 dilution) and incubated for 10 minutes at 50°C to bind to biotin moieties on the cDNA.
And while I'm on my soapbox (not literally, I'm at my workstation, LMAO!!!) How about we show a little support for our local oil companies by purchasing as much premium grade fossil fuel as we can.
Premium grade is required.
