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I Classification of Rearrangement Reactions() II Nucleophilic rearrangement() 1 Wagner-Meerwein rearrangement( 2 Pinacolic Rearrangement 3 a-ethandione Rearrangement 4 Beckmann Rearrangement 5 Baeyer-Villiger Rearrangement
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What is ECoN and who am I? think-tank- in Scandinavia with100 employees Owned and run by employees Economics and other social science on problems of current interest
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Text I Christmas What do you know about Christmas? Christmas Christmas tree Christmas card Christmas books Nicholas SAINT
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Teaching Outline Pre -reading- Questions Famous Quotations of Study Passage Analysis A spelling word derivation language points useful expression
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Questions on the text Did people have to attend on machines hundreds of years ago? What happened to industry about a hundred years ago? What is the operation of automatic machines based on?
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2半导体二极管及其基本电路 2.1.1在室温(300K)情况下,若二极管的反向饱和电流为1nA,问它的正向电流为0.5mA时应加多大的电压?设二极管的指数模型为i=l(e\\7-1),其中n=1,Vr=26mV
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effector molecules that act to remove antigen b ren various mechanisms described in previous chap es antigen without A Second Exposure to Poison Oak May Result in Delayed-Type Hypersensitivity Gell and Coombs Classification IgE-Mediated (Type I) Hypersensitivity Antibody-Mediated Cytotoxic(Type) Hypersensitivity aImmune Complex-Mediated (Type Ill) Hypersensitivity
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recognition by most T cells from recognition by B iction. In most cases, both th maturati vation of ma the involver diversity o CD4\ and CD class I MHC Activat Engagement of TcR by Peptide: MHC Initiates interaction of th n antigenic Signal Transduction tide displayed though the sp
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possesses a tightly linked cluster of genes. the ma jor products play roles in intercellular recognition and in dis on of vesicular Stomatitis Virus Peptide (top) Class I Molecule H-2K General Organization and Inheritance of the MHC MHC Molecules and Genes that Detailed Genomic Map of MHC Genes Cellular Distribution of MHC Molecules antigens of Regulation of MHC Expression implicated MHC and Immune Responsiveness natural killer
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凸透镜( convex lens)——边缘薄中间厚 的透镜。透镜折射率比周围介质大时,是会聚 透镜;反之是发散透镜。符号为1 凹透镜( concave lens)——边缘厚中间薄 的透镜,透镜折射率比周围介质大时,是发散 透镜;反之是会聚透镜。符号为I
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