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STEROID-BISPORPHYRIN. A NOVEL PORPHYRIN DIMER AS ENZYME MODEL 被引量:1
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作者 Shu Hua CHEN Shang Jun LI 《Chinese Chemical Letters》 SCIE CAS CSCD 1992年第10期801-804,共4页
In the present communcation a novel steroid-bisporphyrin model compound has been synthesized. The configuration of which is also presented.
关键词 A NOVEL PORPHYRIN DIMER AS ENZYME MODEL STEROID-BISPORPHYRIN AS ppm Chen
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A METHOD FOR THE CALCULATION OF THE FRACTAL DIMENSION OF MACROMOLECULE IN SOLUTION
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作者 李后强 《Chinese Science Bulletin》 SCIE EI CAS 1989年第7期614-615,共2页
The fractal theory is a new branch of mathematics developed in recent years (B. B. Mandelbrot, The Fractal Geometry of Nature, 1982). It has found extensive applications in various fields. The macromolecular chains ar... The fractal theory is a new branch of mathematics developed in recent years (B. B. Mandelbrot, The Fractal Geometry of Nature, 1982). It has found extensive applications in various fields. The macromolecular chains are composed of submolecules, and the submolecules are made up of monomer units. The length and shape of submolecule may be changed all the time under the influence of environment, 展开更多
关键词 mathematics branch MONOMER FRACTAL FRACTAL CHAINS Nature LETTER Flory HAUSDORFF
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