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New jobless claims filed the week ending Dec. 28 numbered 211,000, down 9,000 from the previous week’s level. Unemployment insurance numbers can be a bit more volatile toward the end of the year ...
Heat stress can result in heat-related illnesses, such as heat stroke, hyperthermia, heat exhaustion, heat cramps, heat rashes, and chronic kidney disease (CKD). [2] [3] Although heat exhaustion is less severe, heat stroke is a medical emergency and requires emergency treatment, which if not provided, can lead to death. [4]
From 2000 to 2015: 1) Foreign-born represented 33% of the aged 16+ population increase, but represented 53% of the labor force increase and 59% of the employment increase; 2) The number of native-born employed increased by 5.6 million (5%) while the number of foreign-born employed increased by 8.0 million (47%); and 3) Labor force participation ...
The opposite is also true: A Biot number greater than 0.1 (a "thermally thick" substance) indicates that one cannot make this assumption, and more complicated heat transfer equations for "transient heat conduction" will be required to describe the time-varying and non-spatially-uniform temperature field within the material body.
Heat transfer by radiation is a function of both the heat-sink temperature and the temperature of the surroundings that the heat sink is optically coupled with. When both of these temperatures are on the order of 0 °C to 100 °C, the contribution of radiation compared to convection is generally small, and this factor is often neglected.
As a conceptual simplification, it effectively functions as an infinite pool of thermal energy at a given, constant temperature. Since it can act as an inertial source and sink of heat, it is often also referred to as a heat reservoir or heat bath. Lakes, oceans and rivers often serve as thermal reservoirs in geophysical processes, such as the ...
There has been considerable variability at shorter interannual to decadal periods, with hiatus periods showing less certain short-term trends. The 1998–2012 hiatus shows a rise of 0.05 [–0.05 to +0.15] °C per decade, compared with a longer term rise of 0.12 [0.08 to 0.14] °C per decade over the period from 1951 to 2012.
A 2014 White House Council of Economic Advisers report concluded that for the 3.1 percentage point reduction in the labor force to population ratio from 2007 to 2013, 1.6 points was due to retirements, 0.5 points was due to the recession, and the remainder was not clearly determined and may be the result of several factors, such as more ...