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New Caltech Instrument Poised to Image the Cosmic Web
New Caltech Instrument Poised Image Cosmic Web
2017/2/16
An instrument designed to image the vast web of gas that connects galaxies in the universe shipped early this morning, Jan. 12, from Los Angeles to Hawaii, where it will be integrated into the W. M. K...
Oceanographic Instrument Returns After Two Years
Oceanographic Instrument Returns After Two Years
2015/7/27
In early January 2003, 92 subsurface isopycnal RAFOS floats were loaded on a truck for the start of a long voyage. The floats were delivered to Fort Pierce, Florida and loaded on the R/V Seward Johnso...
Instrument des Urteils.Zeichnen mit der Camera Lucida als Komposit
Instrument des Urteils Zeichnen Camera Lucida Komposit
2015/3/26
Instrument des Urteils.Zeichnen mit der Camera Lucida als Komposit.
Researchers Develop New Instrument to Monitor Atmospheric Mercury（图）
Researchers Instrument to Monitor Atmospheric Mercury
2015/3/4
Researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science developed and tested a new sensor to detect ambient levels of mercury in the atmosphere. Funded through ...
Calculation of Constitutive Parameters from Electric and Magnetic Field Measurements in an Anisotropic Medium with a Triaxial Instrument
Electrical Anisotropy Triaxial Measurement Electric and Magnetic Dipoles
2013/3/11
A hypothetical electric and magnetic induction tensor is considered in an anisotropic medium. The sources are magnetic dipoles. In such a medium, constitute parameters can be calculated by combining e...
Kepler Mission Stellar and Instrument Noise Properties
Kepler Mission Stellar and Instrument Noise Properties
2011/10/20
Kepler Mission results are rapidly contributing to fundamentally new discoveries in both the exoplanet and asteroseismology fields. The data returned from Kepler are unique in terms of the number of s...
Results from the University of Toronto continuous flow diffusion chamber at ICIS 2007: instrument intercomparison and ice onsets for different aerosol types
the University of Toronto flow diffusion chamber ICIS 2007 ice onsets different aerosol types
2011/1/18
The University of Toronto continuous flow diffusion chamber (UT-CFDC) was used to study heterogeneous ice nucleation at the International Workshop on Comparing Ice Nucleation Measuring Systems (ICIS 2...
Biological Concepts Instrument (BCI): A diagnostic tool for revealing student thinking
Biological Concepts Instrument diagnostic tool
2011/1/5
A key to effective teaching is an awareness and accurate understanding of the thinking and implicit assumptions that students bring to the subject to be learned. In the absence of extensive Socratic i...
Comparison of UV irradiances from Aura/Ozone Monitoring Instrument (OMI) with Brewer measurements at El Arenosillo (Spain) – Part 2: Analysis of site aerosol influence
Aura/Ozone Monitoring Instrument Brewer measurements El Arenosillo
2010/12/28
Several validation studies have shown a notable overestimation of the clear sky ultraviolet (UV) irradiance at the Earth's surface derived from satellite sensors such as the Total Ozone Mapping Spectr...
Estimating European volatile organic compound emissions using satellite observations of formaldehyde from the Ozone Monitoring Instrument
European volatile organic compound satellite observations the Ozone Monitoring Instrument
2010/12/20
Emission of non-methane Volatile Organic Compounds (VOCs) to the atmosphere stems from biogenic and human activities, and their estimation is difficult because of the many and not fully understood pro...
The Gaia Spectroscopic Instrument (RVS): A Technical Challenge
Instrumentation and Methods for Astrophysics (astro-ph.IM)
2010/12/23
The lack of radial velocity data in the Hipparcos catalogue was considered a significant deficiency, so when Gaia was conceived, a spectrometer was a core constituent of its payload. The Gaia Radial V...
Payment schemes for hydrological ecosystem services as a political instrument for the sustainable management of natural resources and poverty reduction – a case study from Belén, Nicaragua
Payment schemes hydrological ecosystem services a political instrument for the sustainable management of natural resources poverty reduction – a case study
2010/9/10
The importance of intact ecosystems for human-wellbeing as well as the dependence on functions and services they provide is undoubted. But still neither the costs of ecosystem degradation nor the bene...
Seasonality of Peroxyacetyl nitrate (PAN) in the upper troposphere and lower stratosphere using the MIPAS-E instrument
Peroxyacetyl nitrate the upper troposphere and lower stratosphere the MIPAS-E instrument
2010/8/16
The Michelson Interferometer for Passive Atmospheric Sounding onboard ENVISAT (MIPAS–E) offers the opportunity to detect and spectrally resolve many atmospheric minor constituents affecting atmospheri...
Comparison of UV irradiances from Aura/Ozone Monitoring Instrument (OMI) with Brewer measurements at El Arenosillo (Spain) – Part 1: Analysis of parameter influence
UV irradiances Aura/Ozone Monitoring Instrument Brewer measurements El Arenosillo parameter influence
2010/8/16
The main objective of this study is to compare the erythemal UV irradiance (UVER) and spectral UV irradiances (at 305, 310 and 324 nm) from the Ozone Monitoring Instrument (OMI) onboard NASA EOS/Aura ...
Technical Note: Characterisation of a DUALER instrument for the airborne measurement of peroxy radicals during AMMA 2006
a DUALER instrument the airborne measurement peroxy radicals AMMA 2006
2010/8/12
A DUALER (dual-channel airborne peroxy radical chemical amplifier) instrument has been developed and optimised for the airborne measurement of the total sum of peroxy radicals during the AMMA (African...