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Updated: Jul 31, 2026

Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions
08:18

Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions

Published on: June 12, 2016

メタンの漏れを定量的にモニタリングするための,強度コード付きNIRレーザー単光子システムの校正と強化

Shouzheng Zhu, Xu Liu, Yangyang Zhang

    Optics express
    |February 20, 2026
    PubMed
    まとめ

    この研究は,単一光子検出器と新しい補正アルゴリズムを使用して,ガス濃度と距離を正確に測定し,炭素排出量の定量化を改善するために,メタン (CH4) 漏れモニタリングのための新しいレーザー検出方法を提示します.

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    Split Point Analysis and Uncertainty Quantification of Thermal-Optical Organic/Elemental Carbon Measurements

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    NMR Spectrometers: Resolution and Error Correction01:14

    NMR Spectrometers: Resolution and Error Correction

    When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...