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Related Concept Videos

Measurement of Air Content in Concrete01:23

Measurement of Air Content in Concrete

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Air content measurement in concrete is critical for ensuring structural integrity and durability of concrete structures, especially in environments prone to severe weather conditions. Accurate air content analysis optimizes concrete's resistance to freeze-thaw cycles and enhances its workability and strength. Several methods are standardized under ASTM guidelines to measure the air content in fresh concrete, each suitable for different concrete types and conditions.
The pressure method,...
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Gas Chromatography: Types of Detectors-II01:19

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In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...
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Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

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The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
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Pipe Flowrate Measurement01:28

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In pipe flow measurement, orifice, nozzle, and Venturi meters are commonly used to determine fluid flowrates by constricting the flow area, which increases fluid velocity and reduces pressure. This pressure difference, governed by Bernoulli's principle and adjusted for real-world conditions, is essential for calculating flowrate. Each meter type is suited to specific applications based on accuracy, efficiency, and compatibility with various flow conditions.
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Radiation: Applications01:17

Radiation: Applications

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The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
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Emission Spectra02:39

Emission Spectra

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When solids, liquids, or condensed gases are heated sufficiently, they radiate some of the excess energy as light. Photons produced in this manner have a range of energies, and thereby produce a continuous spectrum in which an unbroken series of wavelengths is present.
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Updated: Aug 21, 2025

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
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Measure emissions to manage emissions.

Al Gore1

  • 1Al Gore is a former vice president of the United States. He was awarded the Nobel Peace Prize, along with the Intergovernmental Panel on Climate Change (IPCC), in 2007. He is a founding member and among the funders of Climate TRACE.

Science (New York, N.Y.)
|November 15, 2022
PubMed
Summary

Climate TRACE will release the first facility-level inventory of greenhouse gas (GHG) pollution sources. This AI-powered tracking is crucial for meeting net-zero targets and addressing global emissions gaps.

Area of Science:

  • Environmental Science
  • Climate Change Research
  • Data Science and Artificial Intelligence

Background:

  • For 30 years, global negotiations have aimed to reduce greenhouse gas (GHG) emissions, yet precise source identification has remained elusive.
  • Current global efforts are falling short, as highlighted by the UN Emissions Gap Report, jeopardizing the 2030 emission reduction targets.

Discussion:

  • Climate TRACE, a coalition of AI specialists and researchers, is launching the first facility-level inventory of major GHG pollution sources.
  • This initiative utilizes artificial intelligence (AI) and data science to track daily emissions, providing unprecedented transparency into pollution origins.
  • The inventory will detail the largest individual sources contributing to the 162 million tons of GHG pollution emitted daily into the troposphere.

Key Insights:

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  • The Climate TRACE inventory offers a critical tool for accurately monitoring progress towards net-zero emissions by 2050.
  • This granular data empowers businesses, investors, and nations to identify and target specific emission sources effectively.
  • Understanding the exact sources of pollution is essential for closing the emissions gap and achieving climate goals.

Outlook:

  • The availability of facility-level emissions data is expected to accelerate accountability and drive more effective climate action.
  • This comprehensive tracking system will support thousands of entities committed to net-zero goals, enhancing the efficacy of climate policies.
  • Future efforts will likely build upon this foundational data to refine emission reduction strategies and improve global climate modeling.