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Lower ranks of coal can be less expensive, for example sub-bituminous coal can cost around US$0.038/kg carbon. [19] Graphite flakes can cost around US$0.9/kg carbon. [ 20 ] Price of synthetic industrial diamond for grinding and polishing can range from 1200 to 13 300 USD/kg, while cost per weight of large synthetic diamonds for industrial ...
Potassium is a chemical element; it has symbol K (from Neo-Latin kalium) and atomic number 19. It is a silvery white metal that is soft enough to easily cut with a knife. [ 9 ] Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure.
with k 0 a constant. For pure metals, k 0 is large, so the thermal conductivity is high. At higher temperatures the mean free path is limited by the phonons, so the thermal conductivity tends to decrease with temperature. In alloys the density of the impurities is very high, so l and, consequently k, are small. Therefore, alloys, such as ...
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Why Snowflake isn't so expensive. Investors should question the narrative that Snowflake is expensive due to its price-to-sales ratio (P/S) of 16. SNOW PS Ratio Chart. SNOW P/S Ratio data by YCharts.
A number has a terminating or repeating expansion if and only if it is rational; this does not depend on the base. A number that terminates in one base may repeat in another (thus 0.3 10 = 0.0100110011001... 2). An irrational number stays aperiodic (with an infinite number of non-repeating digits) in all integral bases.
Conversely, $2,309.60 per Fair Isaac share may appear expensive in comparison, with its much smaller earnings — about $6 in the most recent quarter — relative to share price.
Monel is typically much more expensive than stainless steel. Monel alloy 400 has a specific gravity of 8.80, [ 7 ] a melting range of 1300–1350 °C, an electrical conductivity of approximately 34% IACS , and (in the annealed state) a hardness of 65 Rockwell B. [ 8 ] Monel alloy 400 is notable for its toughness, which is maintained over a ...