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Measurements and instrument

LOAC: a small aerosol optical counter/sizer for ground-based and balloon measurements of the size distribution and nature of atmospheric particles – Part 1: Principle of measurements and instrument evaluation

LOAC: a small aerosol optical counter/sizer for ground-based and balloon measurements of the size distribution and nature of atmospheric particles – Part 1: Principle of measurements and instrument evaluation

... 2 Principle of measurements 2.1 Instrument concept LOAC is a modular instrument, for which some parts can be changed depending on the measurement conditions. For mea- surements under the balloon or ...

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LOAC: a small aerosol optical counter/sizer for ground-based and balloon measurements of the size distribution and nature of atmospheric particles – Part 1: Principle of measurements and instrument evaluation

LOAC: a small aerosol optical counter/sizer for ground-based and balloon measurements of the size distribution and nature of atmospheric particles – Part 1: Principle of measurements and instrument evaluation

... 2 Principle of measurements 2.1 Instrument concept LOAC is a modular instrument, for which some parts can be changed depending on the measurement conditions. For mea- surements under the balloon or ...

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The role of instrument compliance in normal force measurements of polymer melts

The role of instrument compliance in normal force measurements of polymer melts

... to instrument compli- ...because measurements free of axial compliance cannot be per- formed for melts, a method is proposed to correct data when ...

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Autonomous Ocean Turbulence Measurements Using Shear Probes on a Moored Instrument

Autonomous Ocean Turbulence Measurements Using Shear Probes on a Moored Instrument

... shear measurements The measurements were made in the wave-affected layer where the dissipation levels were ...the instrument is affected by the envi- ...

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Aerosol composition and hygroscopicity studies : instrument development/characterization, ambient and laboratory measurements, and modeling

Aerosol composition and hygroscopicity studies : instrument development/characterization, ambient and laboratory measurements, and modeling

... this instrument provides a growth factor at only one RH at any given ...new instrument that enables simultaneous determination of growth factors at several RHs, and that overcomes the challenges of ...

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MAX-DOAS measurements of tropospheric NO₂ and HCHO in Nanjing and a comparison to ozone monitoring instrument observations

MAX-DOAS measurements of tropospheric NO₂ and HCHO in Nanjing and a comparison to ozone monitoring instrument observations

... MAX-DOAS measurements 2.1.1 Experimental setup A MAX-DOAS instrument was set up at a meteorological station of Nanjing University ...MAX-DOAS instrument for scattered sunlight measurements ...

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An instrument for measurements of BrO with LED-based Cavity-Enhanced Differential Optical Absorption Spectroscopy

An instrument for measurements of BrO with LED-based Cavity-Enhanced Differential Optical Absorption Spectroscopy

... CE-DOAS instrument – besides in reaction chamber investigations – also in field studies with batteries even if other electrical power is not ...this instrument is the first mobile cavity-based BrO ...

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Development of an instrument for direct ozone production rate measurements: measurement reliability and current limitations

Development of an instrument for direct ozone production rate measurements: measurement reliability and current limitations

... field measurements made using this instrument to illustrate its ...ambient measurements of ozone production rates with the instrument described in this ...

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Radiation environment at the Moon: Comparisons of transport code modeling and measurements from the CRaTER instrument

Radiation environment at the Moon: Comparisons of transport code modeling and measurements from the CRaTER instrument

... CRaTER instrument was designed to characterize the radiation environment and its biological impacts for extended or permanent manned ...the instrument acceptance, this results in an average increase in ...

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Wearable and modular functional near-infrared spectroscopy instrument with multidistance measurements at four wavelengths

Wearable and modular functional near-infrared spectroscopy instrument with multidistance measurements at four wavelengths

... The instrument allows simultaneous measurements with a large optical dynamic range of 160 dB, outperforming other existing wearable fNIRS instruments (80 dB in ...our instrument, thereby decreasing ...

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Calculation of Constitutive Parameters from Electric and Magnetic Field Measurements in an Anisotropic Medium with a Triaxial Instrument

Calculation of Constitutive Parameters from Electric and Magnetic Field Measurements in an Anisotropic Medium with a Triaxial Instrument

... Conductivity, Dielectric Permittivity, and Magnetic Permeability I consider a hypothetical multi-component induction well logging instrument. As mentioned previously, the instru- ment has magnetic dipoles as a ...

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An instrument for low  and variable temperature millimeter wave surface impedance measurements under magnetic fields

An instrument for low and variable temperature millimeter wave surface impedance measurements under magnetic fields

... measurement instrument based on the cavity perturbation method. In this instrument, all millimeter-wave paths at low temperatures 共 including the cavity resonator 兲 , are located inside a high vacuum tube, ...

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A laser-induced fluorescence instrument for aircraft measurements of sulfur dioxide in the upper troposphere and lower stratosphere

A laser-induced fluorescence instrument for aircraft measurements of sulfur dioxide in the upper troposphere and lower stratosphere

... The uncertainty in the SO 2 calibration mixing ratio in the LIF cell is determined by the propagation of uncertainties in the calibration standard and the flows through the mass flow controllers used to dilute the ...

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Application of an online ion-chromatography-based instrument for gradient flux measurements of speciated nitrogen and sulfur

Application of an online ion-chromatography-based instrument for gradient flux measurements of speciated nitrogen and sulfur

... exchange measurements of HNO 3 , NH 3 , NH + 4 , NO − 3 , SO 2 and SO 2− 4 ...analytical instrument and another to deter- mine the performance of the MARGA as a gradient flux sys- ...the instrument ...

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Increasing the accuracy and temporal resolution of two-filter radon–222 measurements by correcting for the instrument response

Increasing the accuracy and temporal resolution of two-filter radon–222 measurements by correcting for the instrument response

... radon measurements and air- craft samples made 30 m ...detector measurements is outside the limits of instrument uncertainty, but plausibly the result of spatial variability in the developing ...

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A new instrument for stable isotope measurements of 13 C and 18 O in CO 2– instrument performance and ecological application of the Delta Ray IRIS analyzer

A new instrument for stable isotope measurements of 13 C and 18 O in CO 2– instrument performance and ecological application of the Delta Ray IRIS analyzer

... Acknowledgements. This project was partly funded by the Dorothea-Schlözer Fellowship and by the German Research Foundation (DFG, project ISOFLUXES KN 582/7-1). The work was partially supported by the European Research ...

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Quantification of the measurement error associated
with in situ measurements of water absorption and
attenuation using the AC-9 instrument

Quantification of the measurement error associated with in situ measurements of water absorption and attenuation using the AC-9 instrument

... IOPs, measurements must be made to obtain values for each ...this instrument has increased in popularity with recent advances in ...the measurements taken using these ...

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A compact PTR-ToF-MS instrument for airborne measurements of volatile organic compounds at high spatiotemporal resolution

A compact PTR-ToF-MS instrument for airborne measurements of volatile organic compounds at high spatiotemporal resolution

... new instrument records full mass spectra at 1 Hz, which constitutes a significant improvement over conventional air- borne PTR-QMS ...the instrument is capable of resolving important isobaric ion pairs in ...

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Signal to noise ratios, instrument parameters and repeatability of Itrax XRF core scan measurements of floodplain sediments

Signal to noise ratios, instrument parameters and repeatability of Itrax XRF core scan measurements of floodplain sediments

... Seven combinations of tube voltage and current and six exposure times were compared using signal-to-noise ratios for eight target elements. Signal-to-noise ratios may be substantially improved by selecting ...

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Tunable diode laser in-situ CH4 measurements aboard the CARIBIC passenger aircraft: instrument performance assessment

Tunable diode laser in-situ CH4 measurements aboard the CARIBIC passenger aircraft: instrument performance assessment

... several instrument starts as part of ground ...for instrument calibra- tion based on measurements taken during ...zero-gas measurements, because the nat- ural CH 4 variability (range) during ...

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