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温周期对苍白草蛉的滞育的影响 被引量:1
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作者 阿力甫.那思尔 T.A.volkovich +1 位作者 古丽巴哈尔 玛依拉.吐尔逊 《干旱区研究》 CSCD 2000年第3期53-58,共6页
苍白草蛉 (Chrysopapallens )属于昆虫纲脉翅目 (Neuvoptera)草蛉科 (Chrysopidae)。我们在研究温度对草蛉滞育的影响时 ,发现苍白草蛉具有温周期反应 (Thermoperiodicrespones)。在无光条件下 ,在不同的温周期内Ch .pallens的滞育率明... 苍白草蛉 (Chrysopapallens )属于昆虫纲脉翅目 (Neuvoptera)草蛉科 (Chrysopidae)。我们在研究温度对草蛉滞育的影响时 ,发现苍白草蛉具有温周期反应 (Thermoperiodicrespones)。在无光条件下 ,在不同的温周期内Ch .pallens的滞育率明显下降 :从一昼夜高温持续 12h条件下的4 6 %— 54% ,下降到了每天 18h高温 ,6h低温的 0 %。但它被温周期为 2 7∶13℃条件处理时滞率在不同的光周期条件下都接近 10 0 %。 展开更多
关键词 苍白草蛉 温周期反应 滞育 光周期反应 昆虫
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Model of Overlapping Messages with Degenerate Coding
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作者 Valery Kirzhner Zeev volkovich 《Applied Mathematics》 2012年第2期188-197,共10页
Superposition of signals in DNA molecule is a sufficiently general principle of information coding. The necessary re-quirement for such superposition is the degeneracy of the code, which allows placing different messa... Superposition of signals in DNA molecule is a sufficiently general principle of information coding. The necessary re-quirement for such superposition is the degeneracy of the code, which allows placing different messages on the same DNA fragment. Code words that are equivalent in the informational sense (i.e., synonyms) form synonymous group and the entire set of code words is partitioned into synonymous groups. This paper is dedicated to constructing and analyzing the model of synonymous coding. We evaluate some characteristics of synonymous coding as applied to code words of length two although many definitions may be extended for words of arbitrary length. 展开更多
关键词 OVERLAPPING MESSAGES DEGENERATE CODING Sequence COMPACTING De Bruijn Graph DNA TRIPLET Code
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Hierarchy of Protein Loop-Lock Structures: A New Server for the Decomposition of a Protein Structure into a Set of Closed Loops
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作者 Simon Kogan Zakharia Frenkel +1 位作者 Oleg Kupervasser Zeev volkovich 《Computational Molecular Bioscience》 2013年第1期1-8,共8页
HoPLLS (Hierarchy of protein loop-lock structures) (http://leah.haifa.ac.il/~skogan/Apache/mydata1/main.html) is a web server that identifies closed loops-a structural basis for protein domain hierarchy. The server is... HoPLLS (Hierarchy of protein loop-lock structures) (http://leah.haifa.ac.il/~skogan/Apache/mydata1/main.html) is a web server that identifies closed loops-a structural basis for protein domain hierarchy. The server is based on the loop-and-lock theory for structural organisation of natural proteins. We describe this web server, the algorithms for the decomposition of a 3D protein into loops and the results of scientific investigations into a structural “alphabet” of loops and locks. 展开更多
关键词 Structural ALPHABET Loop-Lock Structure Web SERVER Protein AMINO ACIDS
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