Jean Demaison – författare
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17 produkter
17 produkter
Inbunden, Engelska, 2001
1 084 kr
Skickas inom 10-15 vardagar
Many satellites have recently been launched or are in preparation, which operate in the microwave to IR ranges, the main objective being to observe the earth's atmosphere or interstellar clouds. Analysis of the data they supply requires extensive laboratory work because we still only have sufficiently accurate data (line positions, intensities, and profiles) for only a few species. Furthermore, the observer community is making increasing calls for laboratory data, as new development open up new observational possibilities (such as submillimeter observation). Research on these subjects involves many different areas of specialization in fields of research that generate a wealth of data. In "Spectroscopy from Space" the people responsible for field observations explain which results they are expecting from their measurements and how laboratory people can help them to analyze their satellite data. Laboratory spectroscopists explain developments that touch on their field and what kinds of experiment and theoretical development that might undertake to meet the needs of the remote sensing community. The problems of distributing reliable laboratory data in a timely way are also addressed.
Häftad, Engelska, 2001
1 084 kr
Skickas inom 10-15 vardagar
Many satellites have recently been launched or are in preparation, which operate in the microwave to IR ranges, the main objective being to observe the earth's atmosphere or interstellar clouds. Analysis of the data they supply requires extensive laboratory work because we still only have sufficiently accurate data (line positions, intensities, and profiles) for only a few species. Furthermore, the observer community is making increasing calls for laboratory data, as new development open up new observational possibilities (such as submillimeter observation). Research on these subjects involves many different areas of specialisation in fields of research that generate a wealth of data.In Spectroscopy from Space the people responsible for field observations explain which results they are expecting from their measurements and how laboratory people can help them to analyse their satellite data. Laboratory spectroscopists explain why what they can do now, and what kinds of experiment and theoretical development that might undertake to meet the needs of the remote sensing community. The problems of distributing reliable laboratory data in a timely way are also addressed.
E-bok
Engelska, 20162 858 kr
Läs direkt efter köp
Molecular structure is the most basic information about a substance, determining most of its properties. Determination of accurate structures is hampered in that every method applies its own definition of "structure" and thus results from different sources can yield significantly different results. Sophisticated protocols exist to account for these
Inbunden, Engelska, 2006
1 622 kr
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Recent ecological disasters make human beings aware of changes in the Earth’s climate. At the present time anthropogenic activities lead to the emission of greenhouse gases, pollutants, aerosols and ozone depleting substances and the scientific community in general feels responsible for understanding how changes in atmospheric chemistry can affect the Earth’s climate. The first part of these proceedings describes the current capabilities of various satellite experiments which are performing measurements of the Earth’s atmosphere, as for example some of the results obtained recently by three experiments onboard the Environment Satellite (ENVISAT), namely, the Global Ozone Monitoring Experiment (GOME), the SCanning Imaging Absorption for Atmospheric CHartographY (SCIAMACHY) and the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS). For the analysis of spectra recorded by these instruments it is necessary to make good use of efficient radiative transfer codes. These computer codes need as input, a dataset of high quality spectroscopic parameters which can be generated only through a careful analysis of high quality laboratory measurements. In addition some of the future satellite missions which are under preparation at the European Space Agency (ESA) are briefly described.
Häftad, Engelska, 2006
1 622 kr
Skickas inom 10-15 vardagar
Recent ecological disasters make human beings aware of changes in the Earth’s climate. At the present time anthropogenic activities lead to the emission of greenhouse gases, pollutants, aerosols and ozone depleting substances and the scientific community in general feels responsible for understanding how changes in atmospheric chemistry can affect the Earth’s climate. The first part of these proceedings describes the current capabilities of various satellite experiments which are performing measurements of the Earth’s atmosphere, as for example some of the results obtained recently by three experiments onboard the Environment Satellite (ENVISAT), namely, the Global Ozone Monitoring Experiment (GOME), the SCanning Imaging Absorption for Atmospheric CHartographY (SCIAMACHY) and the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS). For the analysis of spectra recorded by these instruments it is necessary to make good use of efficient radiative transfer codes. These computer codes need as input, a dataset of high quality spectroscopic parameters which can be generated only through a careful analysis of high quality laboratory measurements. In addition some of the future satellite missions which are under preparation at the European Space Agency (ESA) are briefly described.
E-bok
PDF, Engelska, 20071 977 kr
Läs direkt efter köp
Recent ecological disasters make human beings aware of changes in the Earth’s climate. At the present time anthropogenic activities lead to the emission of greenhouse gases, pollutants, aerosols and ozone depleting substances and the scientific community in general feels responsible for understanding how changes in atmospheric chemistry can affect the Earth’s climate.
The first part of these proceedings describes the current capabilities of various satellite experiments which are performing measurements of the Earth’s atmosphere, as for example some of the results obtained recently by three experiments onboard the Environment Satellite (ENVISAT), namely, the Global Ozone Monitoring Experiment (GOME), the SCanning Imaging Absorption for Atmospheric CHartographY (SCIAMACHY) and the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS). For the analysis of spectra recorded by these instruments it is necessary to make good use of efficient radiative transfer codes. These computer codes need as input, a dataset of high quality spectroscopic parameters which can be generated only through a careful analysis of high quality laboratory measurements. In addition some of the future satellite missions which are under preparation at the European Space Agency (ESA) are briefly described.
E-bok
PDF, Engelska, 20162 858 kr
Läs direkt efter köp
Molecular structure is the most basic information about a substance, determining most of its properties. Determination of accurate structures is hampered in that every method applies its own definition of "structure" and thus results from different sources can yield significantly different results. Sophisticated protocols exist to account for these
Del 105 - Lecture Notes in Chemistry
Accurate Structure Determination of Free Molecules
Inbunden, Engelska, 2020
1 084 kr
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This book presents a detailed look at experimental and computational techniques for accurate structure determination of free molecules. The most fundamental property of a molecule is its structure – it is a prerequisite for determining and understanding most other important properties of molecules. The determination of accurate structures is hampered by a myriad of factors, subjecting the collected data to non-negligible systematic errors. This book explains the origin of these errors and how to mitigate and even avoid them altogether. It features a detailed comparison of the different experimental and computation methods, explaining their interplay and the advantages of their combined use. Armed with this information, the reader will be able to choose the appropriate methods to determine – to a great degree of accuracy – the relevant molecular structure.
E-bok
Engelska, 20201 416 kr
Läs direkt efter köp
This book presents a detailed look at experimental and computational techniques for accurate structure determination of free molecules. The most fundamental property of a molecule is its structure – it is a prerequisite for determining and understanding most other important properties of molecules. The determination of accurate structures is hampered by a myriad of factors, subjecting the collected data to non-negligible systematic errors. This book explains the origin of these errors and how to mitigate and even avoid them altogether. It features a detailed comparison of the different experimental and computation methods, explaining their interplay and the advantages of their combined use. Armed with this information, the reader will be able to choose the appropriate methods to determine – to a great degree of accuracy – the relevant molecular structure.
Del 105 - Lecture Notes in Chemistry
Accurate Structure Determination of Free Molecules
Häftad, Engelska, 2021
1 191 kr
Skickas inom 10-15 vardagar
This book presents a detailed look at experimental and computational techniques for accurate structure determination of free molecules. The most fundamental property of a molecule is its structure – it is a prerequisite for determining and understanding most other important properties of molecules. The determination of accurate structures is hampered by a myriad of factors, subjecting the collected data to non-negligible systematic errors. This book explains the origin of these errors and how to mitigate and even avoid them altogether. It features a detailed comparison of the different experimental and computation methods, explaining their interplay and the advantages of their combined use. Armed with this information, the reader will be able to choose the appropriate methods to determine – to a great degree of accuracy – the relevant molecular structure.
Inbunden, Engelska, 2023
2 158 kr
Skickas inom 10-15 vardagar
The properties of chemical, pharmaceutical, and biological compounds depend mainly on their molecular structure, whose determination is of fundamental interest. This book examines and systematizes more than three hundred striking structural determinations of free molecules. Featuring high-quality structural data and presenting modern techniques of their determinations by quantum chemistry, high-resolution spectroscopy and electron diffraction, the book is an indispensable resource for graduate students and professional scientists specializing in structural chemistry and other related fields.
E-bok
Engelska, 20232 840 kr
Läs direkt efter köp
The properties of chemical, pharmaceutical, and biological compounds depend mainly on their molecular structure, whose determination is of fundamental interest. This book examines and systematizes more than three hundred striking structural determinations of free molecules. Featuring high-quality structural data and presenting modern techniques of their determinations by quantum chemistry, high-resolution spectroscopy and electron diffraction, the book is an indispensable resource for graduate students and professional scientists specializing in structural chemistry and other related fields.
Häftad, Engelska, 2024
2 158 kr
Skickas inom 10-15 vardagar
The properties of chemical, pharmaceutical, and biological compounds depend mainly on their molecular structure, whose determination is of fundamental interest. This book examines and systematizes more than three hundred striking structural determinations of free molecules. Featuring high-quality structural data and presenting modern techniques of their determinations by quantum chemistry, high-resolution spectroscopy and electron diffraction, the book is an indispensable resource for graduate students and professional scientists specializing in structural chemistry and other related fields.
Inbunden, Engelska, 2010
8 111 kr
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This is subvolume C of the Landolt-Börnstein Volume II/29 "Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy", which is planned to appear as a series A, B, C and D1 and D2 for the diamagnetic, and E for the paramagnetic linear and polyatomic species, respectively. Like in the preceding volumes II/19 and II/24, which have appeared in 1992 and 1999, the diamagnetic substances are arranged in the manner suggested by Hill ("Hill's system", 1900), meaning an almost strict alphabetical order; details are given in the General Introduction on the following pages. The ionic species are included in the alphabetical arrangement of the neutral ones in each table. In the preface to the previous volume II/24 we had noted: It is somewhat surprising that the trend of reducing spectroscopic activities in universities and other research institutes has not led to a lower production rate of pertinent molecular literature data during the last say ten years. It seems that the opposite is true. The number of studies of Van der Waals complexes is still increasing, and naturally also their complexity. Similarly, the "normal" molecules studied under high-resolution conditions became more complicated and flexible, and interesting effects like inner hydrogen bonding have been investigated. The number of figures used to illustrate the molecular conformational structures is, therefore, also larger than in the foregoing volumes.
Inbunden, Engelska, 2011
8 111 kr
Skickas inom 10-15 vardagar
Volume II/29 "Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy" is planned to appear as a series A, B, C and D1, D2, D3 for the diamagnetic, and E for the paramagnetic linear and polyatomic species, respectively. Like in the preseding volumes II/24 and II/19, which have appeared in the years around 1999 and 1992, respectively, the diamagnetic substances are arranged in the manner suggested by Hill ("Hill's system", 1900), meaning an almost strict alphabetical order. The ionic species are included in the alphabetical arrangement of the neutral ones in each table. The information is grouped differently in comparison with the previous volumes. All relevant properties of a molecule and the corresponding parameters can be found concentrated under its sum formula in volume II/29. this diminishes the need of turning pages because rotational and related constants, dipole moments, barriers to internal rotation, hyperfine coupling parameters, or Zeeman data were hitherto listed in different tables. The present subvolume II/29D2 contains data for asymmetric top molecules.
Inbunden, Engelska, 2011
8 111 kr
Skickas inom 10-15 vardagar
Volume II/29 "Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy" is planned to appear as a series A, B, C and D1, D2, D3 for the diamagnetic, and E for the paramagnetic linear and polyatomic species, respectively. Like in the preseding volumes II/24 and II/19, which have appeared in the years around 1999 and 1992, respectively, the diamagnetic substances are arranged in the manner suggested by Hill ("Hill's system", 1900), meaning an almost strict alphabetical order. The ionic species are included in the alphabetical arrangement of the neutral ones in each table. The information is grouped differently in comparison with the previous volumes. All relevant properties of a molecule and the corresponding parameters can be found concentrated under its sum formula in volume II/29. this diminishes the need of turning pages because rotational and related constants, dipole moments, barriers to internal rotation, hyperfine coupling parameters, or Zeeman data were hitherto listed in different tables. The present subvolume II/29D3 contains data for asymmetric top molecules.
E-bok
PDF, Engelska, 20121 367 kr
Läs direkt efter köp
Many satellites have recently been launched or are in preparation, which operate in the microwave to IR ranges, the main objective being to observe the earth''s atmosphere or interstellar clouds. Analysis of the data they supply requires extensive laboratory work because we still only have sufficiently accurate data (line positions, intensities, and profiles) for only a few species. Furthermore, the observer community is making increasing calls for laboratory data, as new development open up new observational possibilities (such as submillimeter observation). Research on these subjects involves many different areas of specialisation in fields of research that generate a wealth of data. In Spectroscopy from Space the people responsible for field observations explain which results they are expecting from their measurements and how laboratory people can help them to analyse their satellite data. Laboratory spectroscopists explain why what they can do now, and what kinds of experiment and theoretical development that might undertake to meet the needs of the remote sensing community. The problems of distributing reliable laboratory data in a timely way are also addressed.