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Analytical thermal desorption, known within the analytical chemistry community simply as "thermal desorption" (TD), is a technique that concentrates volatile organic compounds (VOCs) in gas streams prior to injection into a gas chromatograph (GC). It can be used to lower the detection limits of GC methods, and can improve chromatographic ...
Economic forecasting is the process of making predictions about the economy. Forecasts can be carried out at a high level of aggregation—for example for GDP, inflation, unemployment or the fiscal deficit—or at a more disaggregated level, for specific sectors of the economy or even specific firms. Economic forecasting is a measure to find ...
A consensus forecast is a prediction of the future created by combining several separate forecasts which have often been created using different methodologies. They are used in a number of sciences, ranging from econometrics to meteorology, and are also known as combining forecasts, forecast averaging or model averaging (in econometrics and statistics) and committee machines, ensemble ...
TD – target depth; TD – total depth (depth of the end of the well; also a verb, to reach the final depth, used as an acronym in this case [citation needed]) TDD – total depth (driller) TDC - Top Dead Center; TDC – total drilling cost; TDL – total depth (logger) TDM – touch-down monitoring; TDP – touch-down point; TDS – top drive ...
The townsend (symbol Td) is a physical unit of the reduced electric field , where is electric field and is concentration of neutral particles. It is named after John Sealy Townsend , who conducted early research into gas ionisation.
Nowcasting in economics is the prediction of the very recent past, the present, and the very near future state of an economic indicator. The term is a portmanteau of "now" and "forecasting" and originates in meteorology.
In a research note released to reporters on Monday, BofA's economics team led by Claudio Irigoyen projected the US economy will grow at an annualized rate of 2.4% in 2025, higher than current ...
CCATT-BRAMS; WRF-Chem; CMAQ, CMAQ Website; CAMx; GEOS-Chem; LOTOS-EUROS; MATCH; MOZART: (Model for OZone And Related chemical Tracers) is developed jointly by the National Center for Atmospheric Research (NCAR), the Geophysical Fluid Dynamics Laboratory (GFDL), and the Max Planck Institute for Meteorology (MPI-Met) to simulate changes in ozone concentrations in the Earth's atmosphere.