开课单位--耶鲁大学
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Lecture 4 - Genetic Engineering (cont.)[第四讲-基因工程(续)]
W. Mark Saltzman(耶鲁大学) Professor Saltzman continues his presentation on DNA technology by discussing control of gene expression using two methods of RNA silencing: anti-sens...
热度:96
W. Mark Saltzman(耶鲁大学) Professor Saltzman continues his presentation on DNA technology by discussing control of gene expression using two methods of RNA silencing: anti-sens...
热度:96
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A Neuroeconomics Approach to Pathological Behavior[病理行为的神经经济学研究]
Ifat Levy(耶鲁大学) Psychopathology is complicated and difficult to study. In the last decade an increased number of neuroscientists have been incorporating insights from...
热度:45
Ifat Levy(耶鲁大学) Psychopathology is complicated and difficult to study. In the last decade an increased number of neuroscientists have been incorporating insights from...
热度:45
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Lecture 3 - Genetic Engineering[第三讲-基因工程]
W. Mark Saltzman(耶鲁大学) Professor Saltzman introduces the elements of molecular structure of DNA such as backbone, base composition, base pairing, and directionality of nucle...
热度:77
W. Mark Saltzman(耶鲁大学) Professor Saltzman introduces the elements of molecular structure of DNA such as backbone, base composition, base pairing, and directionality of nucle...
热度:77
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Lecture 17 - Alkynes; Conjugation in Allylic Intermediates and Dienes[第17讲-炔烃;烯丙基中间体和二烯烃中的共轭]
J. Michael McBride(耶鲁大学) Because of their unusual acidity very strong base makes it possible to isomerize an internal acetylene to the less stable terminal isomer. Many chemic...
热度:70
J. Michael McBride(耶鲁大学) Because of their unusual acidity very strong base makes it possible to isomerize an internal acetylene to the less stable terminal isomer. Many chemic...
热度:70
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Lecture 38 - Review: Synthesis of Cortisone[第38讲-复习:可的松的合成]
J. Michael McBride(耶鲁大学) Discoverers of the structure and biological activity of steroid hormones won seven Nobel Prizes between 1927 and 1975. Studying the steps involved in ...
热度:127
J. Michael McBride(耶鲁大学) Discoverers of the structure and biological activity of steroid hormones won seven Nobel Prizes between 1927 and 1975. Studying the steps involved in ...
热度:127
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Lecture 35 - Acyl Insertions and α-Reactivity[第35讲-酰基插入和α-反应性]
J. Michael McBride(耶鲁大学) When a nucleophilic atom bearing a good leaving group attacks a carbonyl group, an adjacent Rgroup can migrate to the new atom, inserting it into the ...
热度:47
J. Michael McBride(耶鲁大学) When a nucleophilic atom bearing a good leaving group attacks a carbonyl group, an adjacent Rgroup can migrate to the new atom, inserting it into the ...
热度:47
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Lecture 28 - Mechanism and Equilibrium of Carbonyl Reactions[第28讲-羰基反应的机理和平衡]
J. Michael McBride(耶鲁大学) This lecture aims at developing facility with devising plausible mechanisms for acid- and base-catalyzed reactions of carbonyl compounds, carboxylic a...
热度:58
J. Michael McBride(耶鲁大学) This lecture aims at developing facility with devising plausible mechanisms for acid- and base-catalyzed reactions of carbonyl compounds, carboxylic a...
热度:58
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Lecture 10 - Cation Intermediates – Alkenes: Formation, Addition, and Stability[第10讲-阳离子中间体-烯烃:形成、加成和稳定性]
J. Michael McBride(耶鲁大学) Bridged pentavalent carbon structures can be intermediates or transition states of cation rearrangement during SN1 reactions, and short-lived ion pair...
热度:45
J. Michael McBride(耶鲁大学) Bridged pentavalent carbon structures can be intermediates or transition states of cation rearrangement during SN1 reactions, and short-lived ion pair...
热度:45
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Lecture 23 - Diamagnetic Anisotropy and Spin-Spin Splitting[第23讲-抗磁各向异性和自旋分裂]
J. Michael McBride(耶鲁大学) Through-space interaction between magnets of fixed strength and orientation averages to zero during random molecular tumbling, suggesting that the loc...
热度:59
J. Michael McBride(耶鲁大学) Through-space interaction between magnets of fixed strength and orientation averages to zero during random molecular tumbling, suggesting that the loc...
热度:59
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Lecture 12 - Air Quality Law: Margins of Safety[第12讲-空气质量法:安全边际]
John Wargo(耶鲁大学) The lecture describes the Clean Air Act and the way the federal government measures air quality as well as improvements in air quality. Professor Warg...
热度:46
John Wargo(耶鲁大学) The lecture describes the Clean Air Act and the way the federal government measures air quality as well as improvements in air quality. Professor Warg...
热度:46