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Heart failure with preserved ejection fraction (HFpEF) is a form of heart failure in which the ejection fraction – the percentage of the volume of blood ejected from the left ventricle with each heartbeat divided by the volume of blood when the left ventricle is maximally filled – is normal, defined as greater than 50%; [1] this may be measured by echocardiography or cardiac catheterization.
The abundance of elements in Earth's crust is shown in tabulated form with the estimated crustal abundance for each ... (atom fraction) ... 1.2 (0.00012%) 227,000:
1 ⁄ 2 th (halfth) Binary: 0.1 2: Ternary: 0.1111111111 3: Senary: 0. ... One half is the multiplicative inverse of 2. It is an irreducible fraction with a numerator ...
The bill was nearly passed by the Indiana General Assembly in the U.S., and has been claimed to imply a number of different values for π, although the closest it comes to explicitly asserting one is the wording "the ratio of the diameter and circumference is as five-fourths to four", which would make π = 16 ⁄ 5 = 3.2, a discrepancy of ...
The Giotto probe found that Comet Halley's nucleus reflects approximately 4% of the light that falls on it, [88] and Deep Space 1 discovered that Comet Borrelly's surface reflects only 2.5–3.0% of the light that falls on it; [88] by comparison, fresh asphalt reflects 7% of the light that falls on it. It is thought that complex organic ...
2.1.3 In beetles. 2.1.4 In gall ... While only a moderate percentage of species ... is less than the benefit gained by their relative multiplied by the fraction of ...
Only 2–8% were from non-African languages, and Arabic loan words constituted a fraction of that. [31] According to other sources, around 40% of the Swahili vocabulary comes from Arabic. [8] [32] What also remained unconsidered was that a good number of the borrowed terms had Bantu equivalents. The preferred use of Arabic loan words is ...