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Hence, even the minimum threshold displacement energy is usually clearly higher than the Frenkel pair formation energy. Each crystal direction has in principle its own threshold displacement energy, so for a full description one should know the full threshold displacement surface T d ( θ , ϕ ) = T d ( [ h k l ] ) {\displaystyle T_{d}(\theta ...
If Portfolio A has an expected return of 10% and standard deviation of 15%, while portfolio B has a mean return of 8% and a standard deviation of 5%, and the investor is willing to invest in a portfolio that maximizes the probability of a return no lower than 0%: SFRatio(A) = 10 − 0 / 15 = 0.67, SFRatio(B) = 8 − 0 / 5 = 1.6
In physical chemistry, the Arrhenius equation is a formula for the temperature dependence of reaction rates.The equation was proposed by Svante Arrhenius in 1889, based on the work of Dutch chemist Jacobus Henricus van 't Hoff who had noted in 1884 that the Van 't Hoff equation for the temperature dependence of equilibrium constants suggests such a formula for the rates of both forward and ...
On the other hand, the higher concentration of deposited energy can cause more severe damage to any microscopic structures near the particle track. If a microscopic defect can cause larger-scale failure, as is the case in biological cells and microelectronics , the LET helps explain why radiation damage is sometimes disproportionate to the ...
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Mortgage and refinance rates for Jan. 15, 2025: Rates rise higher as market awaits key inflation report ... 15-year fixed rate. 6.39%. 10-year fixed rate. 6.25%. 5/1 adjustable rate mortgage ...
See today's average mortgage rates for a 30-year fixed mortgage, 15 ... 15-year fixed rate. 6.38%. 10-year fixed rate. 6.25%. 5/1 adjustable rate mortgage ... after which it adjusts to a higher ...
Average mortgage rates tick higher as of Thursday, January 9, 2024, with the 30-year fixed benchmark continuing to hover above 7.00%. ... nationwide lenders published on January 2, 2025. The fixed ...