24,383 research outputs found
SELF-CONSISTENT MOLECULAR ORBITAL CALCULATIONS OF PORPHYRIN AND RELATED RING SYSTEMS.
No full textAuthor Institution: Conant Chemical Laboratory, Harvard UniversitySelf-consistent molecular orbital calculations on the porphyrin ring by the method of Pariser, Parr, and Pople (SCMO-PPP) confirm earlier conclusions of Gouterman and Platt that the visible and Soret bands of the porphyrin absorption spectrum can be explained by a four-orbital model. According to this model, the lowest two pairs of excited configurations are accidentally degenerate, and the extensive interaction between them accounts for the great intensity of the Soret and the relative weakness of the visible bands. Interaction with higher configurations is negligible. The SCMO-PPP calculations reproduce the difference between the metal and free base porphyrin. They give a reasonably good interpretation of reduced porphyrins and lead to a reassignment of the spectra of azaporphyrins and phthalocyanine. There is a consistent overestimation of configuration interaction
Jack Alive / Martin Dead : The Location of the "Author" in Jack London\u27s Martin Eden
No full textThis essay is an attempt to read Martin Eden, Jack Londonʼs autobiographical novel, in terms of the inextricable relationship between the author and the protagonist. Critics have often taken the unbalanced plot and the lack of ironic distance between narrator and character in Martin Eden as the technical weakness of London, but this paper argues that the achievement of this novel owes a great deal to the attachment of London to Martin. The unbalanced structure is a necessary product of the severe struggle of the author to kill his romantic alter ego. // Martin, who aspires to win Ruth Morse, tries to cross class boundaries by making a career of a writer. Even after realizing the emptiness of Ruth, who turns out to be nothing but a typical figure of the bourgeoisie, he somehow persists in loving her. The notion underlying here is that, for Martin, love, career and art are fundamentally inseparable. He objects to the aestheteʼs view of Brissenden on account of his separation of art from career. Martinʼs identity and life consist only in the triunity of love/career/art; the alternative is the repudiation of life. Thus, the unnatural delay of his disappointment in love can be regarded as Londonʼs strategy to set the suicide of Martin as the necessary consequence of the story. // By finishing the story and killing Martin, London finally detaches himself from Martin, reconstructs his self, and, unlike Martin, survives as a professional writer. In this sense, Martin Eden is a story about “writerʼs self-reconstruction.
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Letter from Martin Chizzick
No full textCongratulations to Duane Pearsall for receiving the Enterpreneur of the Year award; note on the letter was written by Pearsall and it mentions that Martin, the author of the letter, died in a airplane accident
Robert Martin Tiffin's Mystery Man Newspaper Articles
No full textAdvertiser-Tribune newspaper clippings featuring a story about Robert Martin (written by Nancy Kleinhenz), a local author from Tiffin (Ohio) who wrote under the pseudonym of Lee Roberts, and two of his short stories. Martin wrote mystery novels in his spare time, creating more than 22 mystery novels. For more information about Robert Martin and a list of books go to http://www.mysteryfile.com/RMartin/JBennett.html
Experiences Using Large Scale Video Walls for Distance Education
No full textWe describe our experiences building and using the Rutgers Videowall, a low-cost telepresence system that has been used teaching 15 courses and colloquia. By relaxing typical spatial telepresence features, such as background continuity, we greatly reduced costs and gained flexibility in the rooms it could be deployed in. The lower costs and room flexibility enabled academic departments to use the wall, in contrast to traditional telepresence systems which remained inaccessible. We found that the Videowall’s spatial distortions did not have a significant impact on useability, as our initial survey results show that students had an overall positive experience.Technical report DCS-tr-72
Hans Martin Schwarz Collection 1934 - 1938
No full textThis collection contains clippings of articles by Hans Martin Schwarz (1917, Hamburg – 2006, New York, better known as Martin Ebon), published between 1934 and 1938 in German-Jewish newspapers on a wide variety of subjects such as sports, emigration, the political situation in Germany, and religious attitudes of the young. It also contains reviews of his books "Einer wie Du und Ich" and "Heiteres, Besinnliches, Nachdenkliches."digitizedHans Martin Schwarz (1917, Hamburg – 2006, New York, better known as Martin Ebon), was a journalist and author. In Germany during the 1930s, he published in a variety of German-Jewish periodicals, primarily the Israelitisches Familienblatt. After immigrating to the United States in 1938, he changed his name to Martin Ebon, and published dozens of books in the areas of world affairs and parapsychology.Processe
Interview with Father James Martin
No full textIn May 2011, the Ignatian Faculty Scholars at Regis University conducted a Skype interview with Father James Martin, S. J., author of The Jesuit Guide to Almost Everything. The Scholars had used Father Martin’s book as a text for their year of study, which focused on Ignatian Spirituality, the Ignatian Pedagogical Paradigm, and teaching and learning at a Jesuit university. The interview was transcribed and is printed below. Father Martin reflects on the book, and responds to questions about the book itself, about finding God in all learners, and about the Church
STUDIES ON THE ABSORPTION SPECTRA OF SUBSTITUTED PORPHINS
No full textAuthor Institution: University of Chieago“The various intensity and energy changes in the visible (6500A to 5500A) and near UV (4000A to 3300A) bands on substitution are discussed in terms of perturbations among states that derive from the transitions to and to of symmetrical porphin. The states derived from these have combined in unsubstituted porphin to give a weak visible and strong UV band, which are mixed by the substituent perturbations. The perturbations are expanded as irreducible representations of the group. This expansion when applied to the empirical data leads to: (1) another proof that the protons in free base porphin must be opposite; and (2) quantitative predictions of intensity changes with substitution. The theory is not limited to small changes in the intensity and energy. The spectra of the azaporphins can also be understood. Although, in this case, the mixing turns out to be extensive, quantitative predietions on intensity and energy changes check reasonably well with experiment.
Benefits of a Classification Scheme of Granitic Pegmatites Based on Petrogenetic Considerations.
No full textOral presentation-
Communicating author: Martin RF
WHY IS AMAZONITIC K-FELDSPAR AN EARMARK OF NYF-TYPE GRANITIC PEGMATITES?
No full textOral presentation- Communicating author: Martin R
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