搜索结果: 211-225 共查到“生物数学”相关记录287条 . 查询时间(1.247 秒)
Ginzburg-Landau equation bound to the metal-dielectric interface and transverse nonlinear optics with amplified plasmon polaritons
metal-dielectric interface transverse nonlinear optics plasmon polaritons
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2010/4/6
Using a multiple-scale asymptotic approach, we have derived the complex cubic Ginzburg-Landau equation for amplified and nonlinearly saturated surface plasmon polaritons propagating and diffracting al...
The filling law: a general framework for leaf shape diversity and its consequences on folded leaves
leaf shape diversity filling law folded leaves
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2010/4/6
The leaves are packed in the buds, occupying the whole bud volume. They can do so being flat, enrolled, or folded, in different ways. This <>, underestimated before, has many consequences...
Equations of Motion that Recognize Biochemical Patterns
Biochemical Patterns partial differential equations
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2010/4/6
Equations of motion that recognize biochemical patterns are described. The equations are partial differential equations in a continuous multiple component system in which adequate initial and boundary...
Improved Network Performance via Antagonism: From Synthetic Rescues to Multi-drug Combinations
Network Performance Multi-drug Combinations
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2010/4/6
Recent research shows that a faulty or sub-optimally operating metabolic network can often be rescued by the targeted removal of enzyme-coding genes--the exact opposite of what traditional gene therap...
Biological cells with all of their surface structure and complex interior stripped away are essentially vesicles - membranes composed of lipid bilayers which form closed sacs. Vesicles are thought to ...
Cellular Automation of Galactic Habitable Zone
Cellular Automation Galactic Habitable Zone
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2010/4/1
We present a preliminary results of our Galactic Habitable Zone (GHZ) 2D probabilistic cellular automata models. The relevant time-scales (emergence of life, it's diversification and evolution influen...
"Epigenetic Tracking" is the name of a model of cellular development that, coupled with an evolutionary technique, becomes an evo-devo (or "artificial embryology", or "computational development") meth...
中国科学院2位博士生获中科院研究生科技创新与社会实践项目资助
中国科学院 博士生 科技创新与社会实践 资助
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2010/1/7
2009年12月29日，2009年度中国科学院研究生科技创新与社会实践资助专项评审结果公布，我院应用数学所2008级博士生王吉光同学的《II型糖尿病生物标识的动态网络模型和算法》项目获得科技创新类项目资助，资助额度为2万元，我院应用数学所2009级博士生陈兴同学的《北京和威海青年创业现状分析及调研》项目获得社会实践类项目资助，资助额度为1万元。
Are the input parameters of white-noise-driven integrate-and-fire neurons uniquely determined by rate and CV?
white-noise-driven Integrate-and-fire coefficient of variation
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2010/4/7
Integrate-and-fire (IF) neurons have found widespread applications in computational neuroscience. Particularly important are stochastic versions of these models where the driving consists of a synapti...
首先基于频率分析方法抽提出果蝇核糖体蛋白(RP)基因外显子上游直至第1个内含子结束的序列(称为启动子)中潜在的调控模体,这些模体中有85%与实验上的转录因子匹配.然后将抽提出的模体两两配对,运用超几何分布找出出现条数比例在RP基因中显著高于在背景启动子中的模体对,并进一步用K-S检验提取出它们在RP基因中的距离分布与背景距离分布有显著差异的模体对,这些模体对被认为具有转录协同作用.它们中的一部分与...
泛函连接网络计算软件及其在生物多样性研究中的应用
泛函连接网络 计算软件 Internet 农田生物多样性
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2009/9/10
针对农田生物多样性分析的需要，研制出泛函连接网络（FLANN）计算软件。该软件由7个Java类和1个HTML文件组成，是一种Internet在线计算工具，可运行于多种操作系统和Web浏览器上，并在各种类型的PC及工作站上使用，可读取多种类型的数据库文件。对水稻田昆虫生物多样性的两组取样调查数据Zmar18和Zapr15，用生物多样性工具软件LUMP和非监督分类－离差平方和聚类法进行统计归纳及分...
通过对菲涅尔基元全息图的分析,阐述了全息放大的基本原理和实现全息放大的3种方法,讨论了同轴菲涅尔全息下全息再现像相位的特点,提出了重构细胞相位的算法.设计了用同轴菲涅尔全息观察、检测细胞的系统,并以新鲜洋葱表皮细胞为样本,完成了实验检测和相位重构,得到了细胞的全息放大再现像,计算了细胞的相位.分析表明理论上系统的分辨率约16 μm.
植物叶序计量式样演化模型
计量式样 植物叶序
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2009/7/14
依据黄金分割律的研究结果归纳出植物叶序通用模型为F(z)=qz+a.其科学上的意义是：当节间距q≠0时，为互生叶序，逼近0时，则衍生出簇生和基生叶序；叶序发散角z的变化决定叶序分数式1/2，1/3，2/5，…….当节间距q=0，则出现对生叶序，随着叶序发散角z的变小，则衍生出各种轮生叶序的分布式样.依据发散角和模糊综合评判的理论论证了角2πω2是最优的，植物叶序发散角总是向趋于2πω2的方向演化。...