By F. Iachello, R. D. Levine
By Suppes G.J.
By Dr. Gisela Henrici-Olivé, Prof. Dr. Salvador Olivé (auth.)
During the oil embargo, within the iciness 1973174, elements of Western Europe current ed a nearly war-like point on Saturdays and Sundays: no site visitors at the excessive methods, no crowds at ski lodges and different weekend leisure locations, no gaso line on the pumps. residing and instructing then in that a part of the realm, and discussing the situa tion with our scholars, we got here to the realization that it might be well timed to col lect the positive chemistry already identified on the time within the box of conversion of coal to gas and different chemical substances, and by way of this manner aid to attract the eye to this significant replacement to crude oil. the belief of this publication used to be born. The strength surprise of the early seventies has been fit and of significant conse quences in chemistry. quite a lot of study funds were placed to paintings considering, and our wisdom of the probabilities and boundaries of coal-based chemistry has elevated tremendously. in the course of a number of years it seemed inap propriate to jot down a monograph a few subject which was once in the course of such an impetuous improvement. however, we gathered, and severely chosen, the approaching paintings because it seemed within the literature, and in addition attempted to supply a few modest enter ourselves. Now, ten years later, the placement appears settled to a undeniable degree.
By Gould R.F. (ed.)
By Joan Selverstone Valentine, Edith Butler Gralla (Eds.)
A variety of researchers are at present investigating various homes and purposes for copper-containing proteins. Biochemists studying steel metabolism in organisms starting from micro organism to crops to animals are operating in a very diversified sector of discovery than scientists learning the transportation and rules of minerals and small molecule meals. they're either operating with copper-containing proteins, yet in very other ways and with differing expected results.
By Cotor V., Alfonso I., Garcia-Urdiales E. (eds.)
By Richard. Ward
Luftwaffe color Schemes and Markings, 1939-45: v. three (Aircam Aviation)
By G. W. Bealde, A. J. Haagen-Smit, T. G. Halsall, F. T. Haxo, E. R. H. Jones, R. Michel, J. Roche, K. Slotta, A. R. Thompson, E. O. P. Thompson, R. Tschesche, F. L. Warren (auth.), L. Zechmeister (eds.)
Substances belonging to this crew of natural compounds are wi,lely disbursed in Nature, being present in crops, either better and decrease fungi and, upto the current time, in a single animal resource, sheep wool-fat. For an extended time no actual differentiation was once attainable among the tetra- and penta cyclic triterpenes and the sterols. Then the 2 latter grew to become disting uishable by means of their selenium. ·dehydrogenation items, i. e. , picene and naphthalene derivatives from the pentacyclic triterpenes and DIELS' hydrocarbon from the sterols. it truly is now obvious that these compounds yielding predominantly I: 2: 8-trimethylphenanthrene on dehydro genation signify one more category, and this estate is thought of as commonplace of the tetracyclic triterpenes. the crowd comprises either C and C 30 3l compounds and, even if the latter fall outdoors RUZICKA'S strict definition of triterpenes (I42), it sort of feels fascinating to allow this deviation. participants with thirty-two carbon atoms might be stumbled on in the end. In a so much· necessary account of the triterpenes written in I949, JEGER. (II3) used to be in a position to summarize all that was once recognized in regards to the tetra cyclic workforce in a truly small compass. many of the paintings mentioned within the current article has been released over the past 5 years and in that point the buildings of a few twenty compounds were elucidated. of exceptional value is the revelation of shut structural relation ships tQ the steroids, and the presence of C and C side-chains, skeletally eight nine exact with these of ldl cholesterol and ergosterol.
By Walas S.M.
Reactors are the fundamental gear in any chemical plant. This number of solved difficulties in user-friendly chemical response kinetics describes their strategy layout from an engineer's viewpoint. every one bankruptcy starts off with a short assertion of definition and conception followed via unique difficulties and others changed from latest literature. The ebook covers numerical suggestions, research of expense info, sizes and performances of excellent reactors, place of dwelling time distributions and function of non-ideal types, reliable catalyzed reactions, habit of porous catalysts, and reactions among a number of stages together with biochemical techniques. the issues, numbering over one thousand, are labeled into fifty four different types. recommendations are ordinarily provided as graphs or tables with a few key theoretical advancements given in challenge shape.
By James C., Editor Randall
content material: An advent to NMR spectroscopy of good samples / Daniel J. O'Donnell --
Molecular movement in glassy polystyrenes / Jacob Schaefer, M.D. Sefcik, E.O. Stejskal, R.A. McKay, W.T. Dixon, and R.E. Cais --
good nation ²H NMR reports of molecular movement : poly(butylene terephthalate) and poly(butylene terephthalate)-containing segmented copolymers / L.W. Jelinski, J.J. Dumais, and A.K. Engel --
Spin rest and native movement in a dissolved fragrant polyformal / M.F. Tarpey, Y.-Y. Lin, Alan Anthony Jones, and P.T. Inglefield --
Characterization of molecular movement in sturdy polymers by means of variable temperature magic attitude spinning ¹³C NMR / W.W. Fleming, J.R. Lyerla, and C.S. Yannoni --
New NMR experiments in drinks / George A. grey --
software of the INEPT technique to ¹³C NMR spectral assignments in low-density polyethylene and ethylene-propylene copolymer / Kunio Hikichi, Toshifumi Hiraoki, Shinji Takemura, Muneki Ohuchi, and Atsuo Nishioka --
¹³C NMR in polymer quantitative analyses / J.C. Randall and E.T. Hsieh --
The synthesis of novel regioregular polyvinyl fluorides and their characterization via high-resolution NMR/ Rudolf E. Cais and Janet M. Kometani --
The composition and series distribution of dichlorocarbene-modified polybutadiene via ¹³C NMR / Charles J. Carman, Richard A. Komoroski, and Samuel E. Horne, Jr. --
NMR spectra of styrene oligomers and polymers / Hisaya Sato and Yasuyuki Tanaka --
75-MHz ¹³C NMR reports on polystyrene and epimerized isotactic polystyrenes / H. James Harwood, Teng-Ko Chen, and Fu-Tyan Lin --
Stereospecific polymerization of [alpha]-olefins : finish teams and response mechanism / A. Zambelli, P. Ammendola, M.C. Sacchi, and P. Locatelli --
Structural characterization of clearly taking place cis-polyisoprenes / Yasuyuki Tanaka --
A ¹³C NMR examine of radiation-induced structural alterations in polyethylene / J.C. Randall, F.J. Zoepfl, and Joseph Silverman.