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Parent isotope (68 Ge) sourceThe parent isotope germanium-68 is the longest-lived (271 days) of the radioisotopes of germanium. It has been produced by several methods. In the U.S., it is primarily produced in proton accelerators: At Los Alamos National Laboratory, it may be separated out as a product of proton capture, after proton irradiation of Nb-encapsulated gallium metal.
The racial achievement gap in the United States refers to disparities in educational achievement between differing ethnic/racial groups. It manifests itself in a variety of ways: African-American and Hispanic students are more likely to earn lower grades, score lower on standardized tests, drop out of high school, and they are less likely to enter and complete college than whites, while whites ...
A country's gross domestic product (GDP) at purchasing power parity (PPP) per capita is the PPP value of all final goods and services produced within an economy in a given year, divided by the average (or mid-year) population for the same year. This is similar to nominal GDP per capita but adjusted for the cost of living in each country.
Generation Alpha (often shortened to Gen Alpha) is the demographic cohort succeeding Generation Z. Researchers and popular media use the early 2010s as starting birth years to the mid-2020s as the ending birth years ( see § Date and age range definitions ). Named after alpha, the first letter in the Greek alphabet, Generation Alpha is the ...
If SoundHound merely keeps pace with the market, it could generate $165 million in revenue by the final year. If it hits that target and grows at a more modest CAGR of 20% from 2030 to 2050, it ...
June 26, 2024 at 6:40 AM. ... The LendingTree analysis found that 24.2% of workers 65-plus are self-employed, compared to 8.1% of workers aged 25 to 39 and 11.7% of workers aged 40 to 54.
LDPC codes functionally are defined by a sparse parity-check matrix. This sparse matrix is often randomly generated, subject to the sparsity constraints—LDPC code construction is discussed later. These codes were first designed by Robert Gallager in 1960. Below is a graph fragment of an example LDPC code using Forney's factor graph notation.
Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power ...