Spectroscopic data of steroid glycosides pdf

LAMOST survey contains two main parts: the LAMOST ExtraGAlactic Survey (LEGAS), and the LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) survey of Milky Way stellar structure. The unique design of LAMOST enables it to take 4000 spectra in a single exposure to a limiting magnitude as faint as r=19 at the resolution R=1800, which is equivalent to the design aim of r=20 for the resolution R=500. This telescope therefore has great potential to efficiently survey a large volume of space for stars and galaxies.
The whole workflow of LAMOST is as follow: First, according to the science goals and sky survey strategy, the Observation plan in which 4000 observation objects are selected from the database which contains millions of objects data (Galaxies, quasars, stars) is generated by SSS. Second, OCS operates TCS and ICS in real-time based on the Observation Plan and Observation Process Flow at the observable night. The telescope Operation Reports and spectrum Raw Data are recorded. The third, the spectrum Raw Data and spectrum Quality Report are handled by the DHS. The Spectrum Parameter, Operation Report, Quality Report, Analyzed Report are also analyzed simply and sent to SSS for next observation plan. The final data products will be released the collaborators for scientific research.
Technique description
The novel design of LAMOST system is a telescope that provides a combination of a large aperture and a large field of view, both of which feed a highly-multiplexed spectroscopic system. LAMOST is a reflecting Schmidt telescope with its optical axis fixed along the north-south meridian. Both the Schmidt mirror (MA) and the primary mirror (MB) are segmented. The focal surface is circular with a diameter of meters (∼5°), 4000 fibers are almost evenly distributed over it. Each of the fibers can be moved with two degrees of freedom by two motors. The dome for LAMOST has three towers aligned in a North-South direction, hosting Mirror A, the focal surface and instruments, and Mirror B respectively. Mirror A has a transitional dome which can be opened completely. The focal surface and Mirror B towers are connected by a tube structure.

The candidates are expected to have a working experience in the field of molecular spectroscopy (understanding of different types of molecular symmetries, transitions, selection rules, working with Hamiltonians, etc). Experience with FORTRAN and/or Python is required. Proficiency in the English language and good communication skills are required. Candidates will have to be able to work both independently and within a team. Applicants are expected to have completed their PhDs no earlier than July 2011 and be able to start their duties no later than September 1, 2017. In addition, the candidates should have experience in at least three out of the five areas listed below

Spectroscopy Resources Mass Spectrometry Tutorial Prepared at the University of Arizona. Many instructive problems are provided. Modern Methods of Mass Spectrometry An excellent introduction to modern methods of mass spectrometry from University of Leeds. NMR Tutorial and Spectroscopy Problems Prepared at Imperial College. A more advanced tutorial than that provided in this text. The associated problems all involve nmr spectroscopy, but also use data from infrared and mass spectrometry. NMR Spectroscopy-A Virtual Text Prepared by Joseph Hornak, Rochester Institute of Technology. An exceptional introduction to modern nmr spectroscopy. More advanced than this text. NMR meets Musicians A clever and informative site from the University of Erlangen-Nuremberg, Institute of Organic Chemistry Spectroscopy Tools A useful site providing information for NMR, IR and mass spectroscopy. Created at the University of Potsdam. More Spectroscopy Tools A nice collection of applications for interpreting NMR, IR and mass spectra. Created at Colby College. Spectra Data Base A large and very useful collection of MS, NMR, IR, Raman & ESR spectra. This page is hosted by SDBS, Japan.
Spectroscopy Problems 64 Graded Problems Compiled at Notre Dame. A very nice collection of problems using all the spectroscopy methods discussed here. 72 Graded Problems Compiled at UCLA. An outstanding collection of unknowns requiring the interpretation of nmr spectra & some ir. Solutions are provided. A general discussion of nmr and its uses is given. Some advanced techniques not discussed in this text are used. Infrared Spectroscopy Problems Prepared at Colby College. This is the Netscape version.

Multivariate data analysis methods have become common tools in applying modern spectroscopic instruments to solve qualitative and quantitative analysis problems. Chemometric techniques such as PLS, PCR, PCA, MCR (multivariate curve resolution) and discriminant analysis have become standard approaches to quickly analysing complex samples from their spectral signatures. MCR can be applied to spectral data to extract the component spectra from mixtures or indeed any collection of spectra comprised of spectral contributions from various components in a system.

Spectroscopic data of steroid glycosides pdf

spectroscopic data of steroid glycosides pdf

Multivariate data analysis methods have become common tools in applying modern spectroscopic instruments to solve qualitative and quantitative analysis problems. Chemometric techniques such as PLS, PCR, PCA, MCR (multivariate curve resolution) and discriminant analysis have become standard approaches to quickly analysing complex samples from their spectral signatures. MCR can be applied to spectral data to extract the component spectra from mixtures or indeed any collection of spectra comprised of spectral contributions from various components in a system.

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