复杂细胞

前人研究表明：在两幅图像的刺激下，如果复杂细胞的视觉皮层神经元保持响应相同，那么人脑难以察觉两幅图像之间的差异。

The previous studies show that , visual distortion is not perceivable when the response of a complex cell is kept invariant between the stimuli of two images .

然后利用这些滤波器组成的复杂细胞描述子，提取目标图像的局部不变特征，经过降维处理后，使用有监督的分类器进行识别。

Then the ob-tained invariant complex cell descriptors ( ICC ), consisting of these learnt filters , are employed to extract the local invariant features from object images . After sim-ple dimensionality reductions of the features , supervised classifiers are trained for recognition .

他们认为，在几十亿年前，包括RNA在内的单链核糖是生命的第一形态，完成一些现在由蛋白质来完成的复杂细胞功能。

They believe that billions of years ago , single strands of nucleotides that comprise RNA were the first forms of life and carried out some of the complicated cellular functions now done by proteins .

在差异模式视差检测生理学模型的基础上，结合视差敏感性细胞空间频率选择性分布的生理学结果，本文提出了加权平均的复杂细胞群体响应计算公式，并使用含有视差的刺激进行仿真计算。

Based on the differential modal disparity detection model and the physiological result of disparity sensitive cells ' spatial frequency distribution , we have computed weighted responses of a group of complex cells .

同时，综合考虑了复杂细胞编码范围的限制、近细胞和远细胞的相位关系以及跳跃式眼动后增强效应（post－saccadicenhancement）等因素。

Various factors such as the limitation of the coding range of complex cells , the phase relationship between far cells and near cells and the effect of post-saccadic enhancement are also considered .

仿真结果表明，采用主方程法建立的单电子晶体管模型具有合理的精确度，对细胞神经网络单元的实现具有速度快、低功耗的优点，适合复杂细胞神经网络的进一步构建。

The computer simulation results show that the SPICE mode of SET is reasonably precise , and the CNN cells model with low power dissipation and good frequency property is suitable for complex CNN implementation .

方法：首先根据已知的细胞信号转导途径以及信号转导分子间的生化作用机制的研究结果，构建出复杂细胞信号转导网络模型，进而在此模型的基础上从不同的层次对其拓扑结构属性进行分析。

Methods : Firstly , a model of complex cell signaling transduction networks was constructed in terms of available cell signaling transduction pathways and the research data of the mechanisms of biochemical action among signaling molecules . Next , its topological structure properties were analyzed at several different levels .

对CRM的解释有很多种。恶黑组织结构复杂，细胞形态多样。

The explain on CRM vary . Morphology of the cells vary largely .

在脑HI迟发性损伤中不仅存在坏死，而且存在着复杂的细胞凋亡过程。

Apoptosis is mainly involved in the delayed cell death following hypoxic ischemic injury except for the existence of necrosis .

由于复杂的细胞壁和内源酶活性的存在，所以要从丝状真菌中提取和纯化出有生物活性的RNA比较困难。

It is very difficult to extract active RNA from Aspergillus niger because of the existance of complex cell wall and endo-Rnase activity .

在进化过程中，细胞建立并发展了一个十分精细而复杂的细胞周期调控系统：通过G1/S、G2/M转换调控DNA复制。

During evolutionary process , cell set up and develop a very multiplicity system : through G1 / S , G2 / M phase transition to regulate and control DNA replication .

但由于CS高分子量、高表观粘度、结构复杂及细胞膜的选择透过性等因素，造成了其生物利用率较低。

But its bioavailability is relatively lower due to its high molecular weight , high apparent viscosity , complex structure and selective permeability of cell membrance .

T细胞和KC分泌的细胞因子在银屑病中形成复杂的细胞因子网络可能导致银屑病特有的免疫病理损伤。

The cytokines secreted by T cells and KCs may compose a complex cytokine network and lead to specific immune pathological damage of psoriasis .

微丝（F-actin）是由肌动蛋白单体（G-actin）聚合形成的，它参与了真核细胞中复杂的细胞骨架网状蛋白体系的形成。

F-actin is polymerized by G-actin which participates the formation of the netlike protein system of the complex skeleton in the eucaryotic cell .

该菌的侵染循环涉及复杂的细胞分化过程，以应对宿主的防卫机制。

Its infection process involves a complex cell differentiation in response to host defense mechanism .

目的：肝再生是一个特殊、复杂的细胞增殖过程。

Abstract : Objective : Liver regeneration is a special , complex process of cell proliferation .

显花植物授粉过程包含了花粉与雌蕊一系列复杂的细胞间相互作用。

The process of pollination involves a series of complex cellular interactions between male and female gametes in flowering plant .

由于禾长蠕孢菌为丝状真菌，具有成分复杂的细胞壁结构，能够阻止外源质粒与限制性内切酶进入细胞。

HGE , one species of filamentous fungi , has complicated cell wall structure to prevent the cells from foreign plasmids .

提出基于直方图尺度空间分析和概率迭代松弛的混合方法分割背景复杂的细胞图像。

A hybrid method was proposed for cell image segmentation based on histogram analysis using scale space approach and probability relaxation .

而能量和原料就来自于分解更大，更复杂的细胞，这个过程就叫分解代谢。

This energy and building material comes from the breaking down of larger , more complex material , a process called catabolism .

T细胞和角质形成细胞分泌的细胞因子在炎症性皮肤病中形成复杂的细胞因子网络，导致其特有免疫病理损伤。

Cytokines released by T lymphocytes and keratinocytes form a complicated network in inflammatory skin diseases , resulting in their specific immunopathologic injury .

这就使观察复杂的细胞间相互作用非常困难了，因为这种作用仅发生在自然生长环境中-也就是人体内。

This makes it very difficult to observe complex cellular interactions just as they would occur in their natural habitat & the human body .

而基质胶确实决定复杂的细胞外环境，也包含生长因子和未知蛋白，能够抑制细胞对试验所需要的精密条件。

While Matrigel does resemble a complex extracellular environment , it also contains growth factors and unknown proteins that limit its desirability for experiments requiring precise conditions .

精子生成是一个复杂的细胞发育与分化的过程，受一个由多个基因参与的基因网络的高度调控，这些基因可能既存在性染色体上，也存在常染色体上。

Spermatogenesis is a complex process of cell development and differentiation . This process requires the highly regulated expression of multiple genes located on both the sex chromosomes and the autosomes .

精子发生经历了复杂的细胞分化过程，是以核碱性蛋白在减数分裂前、减数分裂间和精子形成几个显著性过渡为特征的。

Spermatogenesis is a complex process for cell differentiation , which is characterized by several dramatically transitional stages in the nuclear basic proteins during premeiotic and meiotic stages and during spermiogenesis .

当石英粉尘进入肺内，尘粒、效应细胞、细胞因子等之间彼此相互影响，构成复杂的细胞分子网络，从而激活多种信号传导途径，多方面调控肺纤维化进程。

The silica dust , effector cells and cytokines would interact with each other , forming as a complex , and then activate multiple celluar signaling pathway to regulate the pulmonary fibrosis .

由于在体环境异常复杂，细胞生理或病理现象的研究仍依赖于细胞体外分离和培养技术，因此，构建细胞体外加载实验系统是目前研究细胞的力学响应机制的主要途径。

Because of the staggering complexity of the in vivo environment , studying cellular responses to mechanical stress and strain has relied heavily on the use of in vitro mechanical loading systems .

缺血性卒中的病理生理学机制十分复杂，细胞内外的诸多因素如兴奋性氨基酸、自由基、Ca2+超载、相关凋亡基因的表达及炎症反应等在其中发挥了重要作用。

Ischemic stroke is a very complex disorder with many intracellular and extracellular factors such as excitatory amino acids , free radicals , calcium overload , apoptotic genes and inflammation involved in its pathophysiological mechanisms .

TGF-β1是一个复杂的细胞因子，具有多种生物学功能，包括影响细胞的增殖与分化，免疫调节，细胞外基质形成等。

Transforming growth factor ( 3-1 ( TGF - β 1 ) is a complex cytokine that regulates diverse biological processes , including cellular proliferation and differentiation , immune modulation , and extracellular matrix remodeling .

支气管哮喘（简称哮喘）本质上系由多基因参与的具有遗传易感性的慢性气道炎症性疾病，涉及多种炎症细胞、炎性介质和复杂的细胞因子网络。

Bronchial asthma ( abbreviated asthma ) is , per se , a chronic airway inflammatory disease involving in a wide range of inflammatory cells , mediators and cytokine network with multiple susceptible genes for atopy .