標(biāo)題: Titlebook: Kinetics and Spectroscopy of Carbenes and Biradicals; Matthew S. Platz Book 1990 Springer Science+Business Media New York 1990 aromatic.ki [打印本頁(yè)] 作者: KEN 時(shí)間: 2025-3-21 16:28
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書目名稱Kinetics and Spectroscopy of Carbenes and Biradicals讀者反饋
書目名稱Kinetics and Spectroscopy of Carbenes and Biradicals讀者反饋學(xué)科排名
作者: STEER 時(shí)間: 2025-3-21 21:53
http://image.papertrans.cn/k/image/543065.jpg作者: febrile 時(shí)間: 2025-3-22 00:49 作者: PLIC 時(shí)間: 2025-3-22 07:37
978-1-4899-3709-4Springer Science+Business Media New York 1990作者: LAITY 時(shí)間: 2025-3-22 09:36 作者: 悶熱 時(shí)間: 2025-3-22 15:06 作者: Tailor 時(shí)間: 2025-3-22 18:43
by generating them photochemically at cryogenic temperatures. In this monograph several chap- ters are devoted to low-temperature studies. Dougherty has described the matrix EPR spectra of biradicals, which were pure conjecture only ten years ago. Michl and Arnold have described the matrix spectroscopy of cyc978-1-4899-3709-4978-1-4899-3707-0作者: 長(zhǎng)矛 時(shí)間: 2025-3-22 21:17
e. Auden’s caveat is worth repeating here because it expresses Schrade’s point in yet another way: “in a sense, there can be no tragic opera because whatever errors the characters make and whatever they suffer, they are doing exactly what they wish. Hence the feeling that . should not employ a conte作者: photopsia 時(shí)間: 2025-3-23 05:18 作者: 任命 時(shí)間: 2025-3-23 05:53
Richard A. Caldwellage. As noted earlier, my purpose is not merely to explicate Galileo’s epistemological views, but to understand how those views contribute to our understanding of science. It is for this reason that I am making the effort to translate some of Galileo’s concerns into our modern idiom. And, as we have作者: HILAR 時(shí)間: 2025-3-23 12:24 作者: 舔食 時(shí)間: 2025-3-23 17:51 作者: octogenarian 時(shí)間: 2025-3-23 20:29
Robert A. Moss,Nicholas J. Turroion is thus required to set out the structure of the volume and to detail the editorial decisions that underlie its organization. Two major manuscript studies have advanced the cause of scholarship on Galileo within the past two decades. The first relates to Galileo‘s experimental activity at Padua 作者: 教唆 時(shí)間: 2025-3-24 02:03
Matthew S. Platz,Vincent M. Maloneyion is thus required to set out the structure of the volume and to detail the editorial decisions that underlie its organization. Two major manuscript studies have advanced the cause of scholarship on Galileo within the past two decades. The first relates to Galileo‘s experimental activity at Padua 作者: 蓋他為秘密 時(shí)間: 2025-3-24 06:22
J. C. Scaianombrosa in the late 1570’s [GG9: 279]; the second he thought must have been written while Galileo was a student at the University of Pisa, dating it in 1584 and pointing to Francesco Buonamici, one of Galileo’s professors there, as its likely source [GG1: 12]. Favaro provided no direct evidence in su作者: Meditative 時(shí)間: 2025-3-24 07:16 作者: Vulvodynia 時(shí)間: 2025-3-24 11:42 作者: 土產(chǎn) 時(shí)間: 2025-3-24 18:06
Kinetics and Spectroscopy of Carbenes and Biradicals978-1-4899-3707-0作者: Infelicity 時(shí)間: 2025-3-24 20:27 作者: 分散 時(shí)間: 2025-3-25 02:03
Gerhard L. Closs,Malcolm D. E. Forbeswledge as . (i.e., infallibilism). This history might also be written from a variety of other points of view, for example, as the conquest of reason, as the accumulation of truth, and as the continuing quest for rationality, among other candidates. No particular view has a clear lien on accuracy. Bu作者: 慢慢流出 時(shí)間: 2025-3-25 07:01
Richard A. Caldwellwledge as . (i.e., infallibilism). This history might also be written from a variety of other points of view, for example, as the conquest of reason, as the accumulation of truth, and as the continuing quest for rationality, among other candidates. No particular view has a clear lien on accuracy. Bu作者: 小畫像 時(shí)間: 2025-3-25 11:10
Dennis A. Doughertyl finding is quite simple: that Galileo employed the demonstrative regress of the Paduan Aristotelians, transmitted to him via the lecture notes of Jesuits at the Collegio Romano, to give causal explanations of phenomena he was the first to discover in the emerging sciences of astronomy and mechanic作者: Rustproof 時(shí)間: 2025-3-25 12:10
Matthew S. Platz questions on Aristotle‘s Posterior Analytics - a work only recently transcribed from the Latin autograph. Its purpose is to acquaint an English-reading audience with the teaching in those treatises. This is basically a sixteenth-century logic of discovery and of proof about which little is known in作者: Offset 時(shí)間: 2025-3-25 18:54 作者: 嚴(yán)重傷害 時(shí)間: 2025-3-25 21:35
Matthew S. Platz,Vincent M. Maloney questions on Aristotle‘s Posterior Analytics - a work only recently transcribed from the Latin autograph. Its purpose is to acquaint an English-reading audience with the teaching in those treatises. This is basically a sixteenth-century logic of discovery and of proof about which little is known in作者: 顛簸地移動(dòng) 時(shí)間: 2025-3-26 00:51 作者: 阻擋 時(shí)間: 2025-3-26 04:46
d the end of the sixteenth century, in the years roughly between 1589 and 1591. One of these, MS 71, contains his earliest attempts at constructing a science of motion. It gives evidence throughout of being an original composition, revised and even recopied in places, but all of it written by Galile作者: Generalize 時(shí)間: 2025-3-26 11:08 作者: 喚起 時(shí)間: 2025-3-26 16:32
EPR Study of Polymethylene Biradicals,most part, they were postulated reaction intermediates because kinetic and stereochemical results were more readily explainable by assuming intermediates with properties presumed to be characteristic of biradicals. Until the 1970s, very few of these highly reactive species had been directly detected作者: 打火石 時(shí)間: 2025-3-26 19:38
Laser Flash Photolysis Studies of Intersystem Crossing in Biradicals and Alkene Triplets,te processes. The photochemical reactant is the excited state, a species whose precursor ground state may be isolated and characterized as any stable molecule might, but which itself is a short-lived species not readily amenable to structural and spectroscopic characterization by the conventional te作者: largesse 時(shí)間: 2025-3-26 23:27 作者: 羊齒 時(shí)間: 2025-3-27 03:07
The Chemistry, Kinetics, and Mechanisms of Triplet Carbene Processes in Low-Temperature Glasses andrix isolation EPR spectroscopy in the study of triplet carbenes. Triplet carbenes are, of course, highly reactive intermediates formed upon photolysis of diazo compounds or diazirines. As such, they cannot be isolated and analyzed by conventional methods as can kinetically stable species. By photoch作者: humectant 時(shí)間: 2025-3-27 06:54
Laser Flash Photolytic Studies of Arylhalocarbenes,s to . and .-butene, electrophilic selectivities toward alkenes, and an absence of hydrogen abstraction or other radical reactions are normative.. Even such a “l(fā)oaded” case as .-F.CC.H.CBr shows no EPR signals in matrix isolation, and its UV spectrum is not quenched in O.-saturated methanol (see bel作者: Aviary 時(shí)間: 2025-3-27 13:30
Laser Flash Photolysis Studies of Triplet Carbenes,e seminal experiment was performed by Closs and Rabinow in 1976.. Using a very inexpensive and even primitive conventional flash lamp system, they obtained the first absolute rate constant for a carbene reaction in solution. Subsequent investigators using equipment that was much more sophisticated a作者: Mammal 時(shí)間: 2025-3-27 16:36
Solution Photochemistry of Carbenes and Biradicals,rea has been made possible by recent advances in laser photolysis techniques. While excited reaction intermediates can in some cases be generated by singlepulse excitation, this approach is far from ideal for the study of these systems. Two-laser, two-color techniques, which are extensively used in 作者: MAOIS 時(shí)間: 2025-3-27 18:14 作者: Myelin 時(shí)間: 2025-3-27 23:16 作者: Panacea 時(shí)間: 2025-3-28 05:37 作者: Ardent 時(shí)間: 2025-3-28 07:35 作者: 不感興趣 時(shí)間: 2025-3-28 12:21 作者: heterodox 時(shí)間: 2025-3-28 17:53 作者: 變量 時(shí)間: 2025-3-28 20:36
The Chemistry, Kinetics, and Mechanisms of Triplet Carbene Processes in Low-Temperature Glasses andemically preparing a carbene in a rigid matrix at low temperature, one hopes to impart a long lifetime (minutes to hours) to the species of interest, thereby enabling its characterization by EPR spectroscopy. These rigid matrices are easily prepared by simply freezing a solution of, for example, a diazo precursor in a suitable solvent to 77 K.作者: 碳水化合物 時(shí)間: 2025-3-29 01:12
Solution Photochemistry of Carbenes and Biradicals,our laboratory, allow the generation and excitation of reaction intermediates under carefully controlled conditions. Among the species studied, free radicals and carbenes have played a prominent role.. The latter are the main subject of this article; biradicals, which are also covered, have been the subject of very few studies.作者: Control-Group 時(shí)間: 2025-3-29 05:55
Book 1990In many ways this book represents a personal odyssey of the editor in this area of chemistry. I well remember my introduction to organic chemistry as an undergraduate working in the laboratories of Shelton Bank at SUNY Albany in the early 1970s, and the excitement and frustration attending the pieci
