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(1) MIT: New insights on fusion power

David Chandler, MIT News Office
December 3, 2008

Research carried out at MIT's Alcator C-Mod fusion reactor may have brought the promise of fusion as a future power source a bit closer to reality, though scientists caution that a practical fusion powerplant is still decades away.

Adapted from - http://web.mit.edu/newsoffice/2008/fusion-results-tt1203.html


(2)Disappearing superconductivity reappears -- in 2-D

Scientists studying a material that appeared to lose its ability to carry current with no resistance say new measurements reveal that the material is indeed a superconductor -- but only in two dimensions. Equally surprising, this new form of 2-D superconductivity emerges at a higher temperature than ordinary 3-D superconductivity in other compositions of the same material.

Adapted from - http://www.bnl.gov/bnlweb/pubaf/pr/PR_display.asp?prID=865

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Showing posts with label Digital Book. Show all posts
Showing posts with label Digital Book. Show all posts

December 20, 2008

FTNMR Free Induction Decay Archive

FTNMR Free Induction Decay Archive

Chemistry online Resources

Link - http://rainier.chem.plu.edu/fid_archive.html

"In this archive you will find 1H and 13C NMR free induction decay (FID) files of small organic molecules. The FID's in this archive were acquired on the 300 MHz broad band FTNMR spectrometer at Pacific Lutheran University and are available in the formats described below. This data is provided free as a service to the educational community. If you download and use this data we ask that you acknowledge the Pacific Lutheran University FTNMR FID Archive. Thank you.

A special section of this archive is dedicated to the NMR spectra used in Solomons and Fryhle Organic Chemistry, 7th Edition (John Wiley & Sons, Inc., New York, ©2000). The Solomons and Fryhle section of the archive is provided in cooperation with John Wiley & and Sons, Inc.

Free induction decay files may be downloaded for processing and viewing in either NUTS ( Acorn NMR) or Felix for Windows (Molecular Simulations, Inc.) format. Either program can be configured as a viewer in your WWW browser.

Another feature of the PLU FID Archive is a searchable database of 94 processed 1H spectra in NUTS format, complete with structure image files. This feature has been provided by Acorn NMR and is available from the PLU chemistry ftp site (ftp.chem.plu.edu). The spectra and image files are compressed in a single 9.2 megabyte .zip file. Instructions for downloading and handling the .zip file are here. "[1]

1.http://rainier.chem.plu.edu/fid_archive.html

Analytical Inorganic Organic Physical

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December 3, 2008

NIST Chemistry WebBook


NIST Chemistry WebBook

Chemistry online Resources

Link - http://webbook.nist.gov/chemistry/

"This site provides thermochemical, thermophysical, and ion energetics data compiled by NIST under the Standard Reference Data Program.

The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.

The NIST Chemistry WebBook was developed in part with funds from the Systems Integration for Manufacturing Applications (SIMA) program at NIST"[1].
1.http://webbook.nist.gov/chemistry/


Analytical Inorganic Organic Physical

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November 29, 2008

Stereochemical Glossary (PDF File!)

Stereochemical Glossary (PDF File!) 

Link - http://www.rsc.org/pdf/tct/stereochemgloss.pdf

Analytical Inorganic Organic Physical

Quantum States of Atoms and Molecules - Digital Book

Quantum States of Atoms and Molecules

Chemistry online Resources

Link - Read the Book,  its Free 

"Quantum States of Atoms and Molecules is an introduction to quantum mechanics as it relates to spectroscopy, the electronic structure of atoms and molecules, and molecular properties. A digital, living textbook, it provides opportunities not found in conventional textbooks—opportunities that allow students to develop skills in information processing, critical thinking or analytical reasoning, and problem solving that are so important for success.

In contrast to many quantum chemistry books, the relevant properties of atoms and molecules become part of the discussion immediately, and concepts are introduced at a concrete level and then generalized, and put in mathematical form at a later stage in the presentation. The goal is to establish the fundamental principles of quantum chemistry and their consequences in a rigorous way while not delaying the discussion of molecular properties until the end. This approach is based on the experience that a concrete verbal description paves the way for a more fundamental, mathematical approach.

The design goals of Quantum States are:

* Make the concepts and methodologies of quantum chemistry accessible and meaningful to all students.
* Develop an understanding of atomic and molecular properties in terms of quantum chemistry.
* Establish the fundamental principles of quantum chemistry and their consequences in a rigorous way while not delaying a discussion of molecular properties until the end.
* Encourage the development of information processing, critical-thinking, and problem-solving skills.
* Set the challenge for each assignment at a level that encourages the growth of critical-thinking and problem-solving skills, yet that can be achieved reasonably, though not always easily, by a student learning team facilitated by a master learner, the instructor.

Quantum States is suitable for a one-semester undergraduate or graduate course and can be part of a two-semester sequence in physical chemistry. It was developed with partial support from the National Science Foundation through grant NSF DUE #0127291.

A set of corresponding questions for student assessment is also available in the QBank collection of the JCE Digital Library"[1].

1.http://www.jce.divched.org/JCEDLib/LivTexts/pChem/JCE2005p1880_2LTXT/index.html

Analytical Inorganic Organic Physical

Free Chemistry Hand Books

Hand Books

This site provides thermochemical, thermophysical, and ion energetics data compiled by NIST under the Standard Reference Data Program.


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