查询词典 plasticity

On the basis of theories of high-level visual processing subsystems and by following Sternberg's element-adding study pattern, serial studies were made to investigate the plasticity of visual cognitive ability in space. The results show that different degrees of plasticity and stability do exist in the cognition processing of visual space. Moreover, plasticity and flexibility in judgments of appearance swirl and quantitative spatial relationship and in command of visual characteristics are found greater in these studies than those obtained by means of appearance scanning, movement inference and judgment of categorical space relation.

视觉空间能力认知可塑性系列研究以高水平视觉加工子系统理论为基础，以斯滕伯格的加因素法为研究范式，通过对视觉空间任务的练习效应与年龄效应的检验表明，视觉空间认知加工中存在着的不同程度的可塑性与稳定性，结果显示出表象旋转、数量空间关系判断和视觉特征提取任务明显要比表象扫描、运动推断以及类别空间关系判断表现出较强的可塑性和易变性特点。

This paper discusses the yield function, loading unloading criterion and constitutive equation of Lagrangian finite deformation elastic-plasticity theory. Finally, Lagrangian finite elastic plasticity theory is used on constitutive models of elastic-plasticity at infinitesimal strain, and the complete constitutive relation for singular yield surface theory is obtained.

本文讨论了Lagrange型有限变形弹塑性本构理论的屈服函数、加卸载准则、本构方程等，最终将Lagrange型有限变形弹塑性本构理论应用于小变形情况下的奇异屈服面弹塑性模型，得出了完整的Lagrange型有限变形弹塑性本构理论。

This article mainly simulates gradually damage destruction process of rock, major in determinationg the definition of rock three-dimensional damage tensor, simplify to the damage tensor and obtain its engineering calculation method, and obtains the basic expression form of equivalent stress by equivalent stress assumption, symmetrization to the actual stress, thus obtains construction relation of the festival principle of three-dimensional damage rock mass, finally couples elasticity- plasticity with damage in the finite element equation, with reference to elasticity-plasticity gradually degenerated method thought, simulates rock damage to advance gradually the destruction process in finite element method, draws up elasticity - plasticity and damage coupling two-dimension finite element procedure with the C language in the VC contact surface, by simulating experiment destroyed process, acquires destruction image and the axial load distortion curve of model, agreement with the experimental result.

本文主要模拟岩石渐进损伤破坏过程，确定岩石三维损伤张量的定义，对损伤张量进行简化计算并得出其工程计算方法，采用等效应力假设得出有效应力的基本表达形式，对有效应力进行对称化，得出节理损伤岩体的三维本构关系，在有限元方程中实现弹塑性和损伤耦合；借鉴弹塑性渐进退化方法的思想，采用有限元的方法模拟岩石损伤渐进破坏过程，用C++语言在VC界面编制了弹塑性和损伤耦合的二维有限元程序，通过模拟已有的实验破坏过程，得出模型的破坏图像和轴向荷载变形曲线，与实验结果基本一致。

Furthermore, abnormal morphology, shrinkage and reduced density of dendritic spines and defects in LTP were observed in brains of the patients suffering from mental retardation and neurodegenerative diseases; many mutant genes found from these patients encode component proteins of signal transduction for neuronal plasticity. These studies on synaptic plasticity would certainly promote making the effective prevention and treatment procedures for mental and neurodegenerative diseases.

此外，在精神迟滞性疾病和神经退行性疾病患者脑内记录到异常的LTP，并发现神经元的树突棘数量减少，形态上产生畸变或萎缩，同时发现，产生突变的基因大多编码调节突触可塑性的信号通路蛋白，故突触可塑性研究也将促进精神和神经疾病的预防和治疗。

The author studies systemically the plasticity mechanics and researches the bounding surface plasticity constitutive model of soil in details.

采用自适应多步积分、局部迭代和射线回退相结合的积分方法，给出了边界面塑性本构关系数值实现过程。

The main products of Trump Card are all steel double level vacuum extruder, compact vacuum extruder, non-vacuum extruder and all sorts of necessary accessories, such as JKY60/60-4.0, JKB50/45-3.0, JKR45/45-2.0, JKRJ45/45-2.0, GS80×60, SJJ300×50, ZQT650×200, ZQP24 and so on. The third generation of all steel double level vacuum extruder is widely applied to making various rigid plasticity and semirigid plasticity extrusion of load-bearing and non-load-bearing hollow bricks that its hole ratio is 25%-70%, from low-plastic materials like clunch, shale, coal gangue and coal powder.

乐山市泰辉机械制造有限公司制造的产品：JKY60/60—4.0，JKB50/45—3.0，JKR45/45—2.0，JKRJ45/45—2.0，GS80×60，SJJ300×50，ZQT650×200，ZQP24等系列全钢双级真空，紧凑型真空，非真空制砖机组及烧结制品生产线各种配套设备、全自动码坯系统等，广泛适用于粘土，页岩，煤矸石和粉煤灰等低塑性原料生产孔洞率25％—70％的各种承重、非承重空心砖坯的硬塑、半硬塑挤出成形，烧结、自动码坯系统等。

Morphological plasticity of the layer IV barrel field was observed, but on a substantially smaller scale than the functional plasticity.

对脑活动所做的一系列测定表明，这种经历会改变大鼠皮层中的感觉图。

Use it plasticity or be not macerate of plasticity polymer latex to reach dry hind, again the dissolvent that dip drops with can evaporating in last shoe process.

将它用塑性或非塑性聚合物胶乳浸渍及干燥后，再浸以能在楦鞋过程蒸发掉的溶剂。

A large number of results from the study indicate that there is a close connection between stock price and trading volume. This paper uses econometric tools, draws on the plasticity and elastic conceptions in the mechanics fields and considers the relation between stock prices and trading volume in different aspects, in order to set up complete stock price plasticity and elasticity theory and apply this theory by carrying on empirical researches.

首先，本文介绍了股价波动的塑性和弹性理论的思想来源，定义股票均衡价格、股价塑性、股价弹性等新概念，通过选取某些个股在不同时段上的股价和成交量的走势图，分别说明了塑性和弹性现象的存在；然后建立了股价的塑性模型、弹性模型及弹塑性交叉模型，应用计量经济学方法对这些模型进行参数估计和检验，对模型进行理论解释，分析模型与现有投资分析理论的一致性；最后是对股票价格塑性模型和弹性模型的应用研究。

Objective: To explore the changes on expression of NT-4 and IGF-I in spared dorsal root ganglia (DRG, L6) in operated/acupuncture side and unoperated /unacupuncture side, spinal lamina II (L3, L5, L6) and Clarke' nucleus (L3) of normal adult, partial dorsal rhizotomy and acupuncture spared DRG cats so as to know the relation between NT-4, IGF-I and the plasticity of spinal cord as well as acupuncture promoting spinal cord plasticity.

目的：探讨NT-4和IGF-I在正常猫、部分去背根猫及针刺部分去背根猫的L_6背根节和脊髓Ⅱ板层(L_3、L_5、L_6)与背核(L_3)表达的时空变化，以了解该两因子在脊髓可塑性及针刺促进脊髓可塑性中的关系。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。