查询词典 plasticity

To meet the need of improving the welding quality, the microstructure and mechanical properties of the welded joints and the productivity, pure aluminum plate 99.60 is used in the experiment. Combined with micrographic analysis, the effects of electron beam welding on its mechanical properties ,such as strength, hardness and plasticity are studied in this paper.

本文针对应用越来越广泛的纯铝Al99.60，以及对其焊接质量、接头性能及生产率提出的新的要求，结合金相分析，探讨了电子束焊接对其强度、硬度、塑性等基本力学性能的影响规律。

This paper makes detailed discussion on production process of millable polyurethane elastomers, points out that plasticity has close contact with production process of MPU and product quality.

详细论述了混炼型聚氨酯弹性体的加工过程和特性，通过实验指出了生胶可塑度与MPU的加工过程和质量有密切的关系，影响可塑度的因素有生胶中硬链段的含量、聚酯二醇的结构和生胶的分子

PubMed abstract: We provide evidence here of long-term synaptic plasticity in a songbird forebrain area required for song learning, the lateral magnocellular nucleus of the anterior neostriatum.

PubMed摘要：我们在此提出证据，证实鸣鸟前脑区——前新纹状体的侧巨细胞核在学习鸣叫中，存在长期突触可塑性。

Moutains of evidences from laboratary and clinical data show that gene abnormality is the major etiological factor of over 40% patients affected with epilepsy.There were also 6 epilepsy genes been cloned successfully, and mutations of over 1000 genes maybe related to epilepsy. These abnormal genes influence many aspects from molecular level to the neuronal plasticity, such as the development of brain,neuronic degeneration, remodeling of neural circuits, energy metabolism, ion channel and so on.These factors would at last affect the formation of epilepsy focus, propagations of epileptic potentials, vulnerability of epilepsy cells.

大量的实验和临床资料提示基因异常是40%以上癫痫患者的病因，有6种常见全身癫痫的基因已被成功克隆，1000种以上的基因突变可能与癫痫的发作有关，这些表达异常的基因分布在脑发育、神经元变性及神经环路重组、能量代谢、离子通道等多个环节，从分子、细胞、神经元可塑性等多个方面影响着癫痫灶的形成、痫性放电的扩布及癫痫细胞的损伤，构成了癫痫的基因机制。

This effect may be closely related to the up-regulation of the BDNF signal pathways of hippocampus, therefore promotion of the neural neurotrophy and plasticity.

CTN-T在大鼠慢性应激模型上具有抗抑郁作用，其作用机制可能与上调海马BDNF相关的信号传导通路活性，改善神经营养和神经可塑性有关。

Seasonal changes are one of the most dramatic examples of plasticity found between breeding and nonbreeding seasons.

鸣禽在成年之后表现出广泛的鸣唱行为可塑性变化，其中与季节相关的可塑性变化最为突出。

With the assumption of small thickness of lamella and small deformation as well as that both phases are elastoplastic, an elastoplastic constitutive description for the pearlitic colony is obtained based on non-classical theory of plasticity.

在小片层间距和各相材料均为弹塑性的假设下，采用有限元方法分析了垂直于片层方向上的材料响应特性及层厚的影响，并用非经典塑性理论推导了珠光体团的弹塑性本构方程。

They vary greatly in composition between species. The hemicelluloses and pectic substances interact with the cellulose microfibrils of the cell wall to give extra strength and at the same time retain some plasticity.

半纤维素和果胶质与细胞壁中的纤维素微纤丝相结合，这样就具有了较大的强度同时还可以保持一定的可塑性。

The individual growth,morphology and population biomass of Pennisetum centrasiaticum clones at two different habitats of farmland-sand dune ecotone on Keerqin sandy land of Inner Mongolia were compared in this study.P.centrasiaticum clones had significant morphological plasticity and different biomass distribution pattern at different habitats.

对生长在不同沙地生境下的白草无性系进行了个体生长与形态以及种群生物量等指标的比较研究。结果表明，生长在不同生境下的白草无性系表现出显著的形态可塑性和不同的生物量分配模式。

Cystatin C may be involved in the astroglia-mediated neural plasticity events in the hippocampus following perforant path transections.

Cystatin C可能和去内嗅皮层支配海马内星型胶质细胞介导的神经可塑性事件有关。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。