查询词典 brain damage

So in this paper a new damage variable was defined, then, Based on damage theory and Weibull distribution damage evolution rule, a simplified ameristic damage constitutive equation was established for concrete under uniaxial compression.

为了用简单的方程将上升段和下降段连接起来，本文以峰值割线模量为基准，定义了一种新的损伤变量；并以经典损伤理论模型为基础，根据混凝土损伤演化规律的概率密度服从Weibull分布，提出了一个统一的方程来描述混凝土单轴压缩时应力应变关系的全过程。

What\'s more, different intervals of UV have their own characters in influencing DNA: the damage to some bases by UVA may be more serious than that by UVB, and UVB did more severe damage to some deoxyribose than UVA; however, as far as the pyrimidine bases are concerned, the damage by UVB is by far more serious than that by UVA. These results may indicate that there are preferential damaging sites on DNA molecules caused by UVA and UVB irradiation. Moreover, with UVA or UVB irradiation for a long time, the photoreactivation of DNA occurred. The serious damage to deoxyribose and bases by UVB and UVC may confirm the conformation of cyclobutane pyrimidine dimers and (6-4) photoproducts.

而不同波段紫外辐射对DNA的损伤各具特点并且差异明显，UVA对一些碱基的损伤比UVB要严重，而UVB在对脱氧核糖和磷酸盐的损伤上又比UVA要严厉，但就嘧啶碱基来说，UVB对它的损伤远大于UVA，这似乎表明了不同的紫外波段对生物大分子DNA的损伤是有选择性的。

In order to describe the fatigue damage characteristic under multiaxial proportional and nonproportional loading, a new nonlinear multiaxial fatigue damage cumulative model was presented on the basis of combining multiaxial fatigue damage characteristic. The recurrence formula of multiaxial fatigue damage model was derived under multilevel loading.

为了描述多轴比例与非比例加载下的疲劳损伤特性，结合多轴疲劳损伤的特点，建立了一种新的非线性多轴疲劳损伤累积模型，并推导给出了该疲劳损伤累积模型在多级加载条件下的递推公式。

With the frequency and mode shape being regarded as functions of damage parameters, the overdetermined algebraic equations with damage parameters as unknowns can then be constructed by differentiating frequency and mode function on the basis of structure mode finite element formula, the damage parameters of which are obtained via Taylor expansion. The whole damage parameters can be found via solving the algebraic equations.

本方法从结构模态有限元算式出发，把频率和振型看作损伤参数的函数，经过泰勒展开获得频率、振型对损伤参数的一阶偏导数，然后构造以损伤参数为未知量的超定线代方程组，求解得到全部损伤参数值。

Thirdly, with the modified Gurson model of the MARC finite element method soft, the damage behave of the welded joint was simulated. It was found that in the undermatched welded joint, the damage mainly happened in the soft weld line and with the decrease of the weld line抯 width, the damage抯 development was faster. As for the overmatched welded joint, the results showed that the damage mainly happened in the soft base metal and with the increase of the weld line抯 width, the damage抯 development was faster. While the width of the weld line was narrower than three millimeters, the high strength weld line could improve the anti-damage capability of the overmatched welded joint.

通过计算发现在低匹配的焊接接头中，损伤主要发生在低强度的焊缝中，并且焊缝宽度越小，焊接接头的损伤就越严重；而在高匹配的焊接接头中，损伤主要发生在紧临焊缝的强度较低的母材上，随高强度焊缝宽度的增加，焊接接头的损伤发展程度加剧，当焊缝宽度小于3mm时，高强度焊缝的加入对焊接接头能起一个强化的作用，提高了焊接接头的抗损伤能力。

Among these three types of water locking damage, the water locking under underpressure condition has the minimal damage, the damage under overpressure condition is relatively maximal, and the damage under normal pressure is relatively medial pressure is relatively medial.

研究表明，低渗透砂岩气藏的水锁伤害具有普遍性和严重性，其中欠压作用下的水锁伤害最小，超压作用下的水锁伤害最大，常压作用下的水锁伤害居中。

Based on statistical damage theory, the instantaneous damage constitutive relationship of gypsum breccias is studied. In consideration of the impact of damage threshold, a statistical damage constitutional equation is established.

在以上试验的基础上，基于统计损伤理论研究了石膏角砾岩瞬时损伤应力应变本构关系，提出统计损伤应考虑损伤门槛的影响，建立了考虑损伤门槛的统计损伤本构方程，理论计算结果与常规试验结果比较接近。

ABSTRACT Based on the existing damage model of rock blasting and the theory of rock damage and fracture, a new damage model for rock blasting, a gas-driven fracture propagation and damage localization at the crack tip model during explosion products are proposed.

在分析研究现有岩石爆破损伤模型和岩石损伤断裂理论的基础上，建立了一个新的岩石爆破损伤模型和岩石在爆生气体作用下的裂纹扩展及裂纹尖端损伤局。。。

The rock damage model and the damage-coupling model suited to analyze the whole process of water jet breaking rock were established with continuum damage mechanics and micro damage mechanics.

运用连续损伤力学和细观损伤力学理论，建立了适用于水射流破岩全过程分析的岩石损伤模型以及宏细观损伤的耦合模式。

The result showed that the main damage influence of diseases and worm was thick of ear, grains of row and the weight of one hundred grains, the grade of disease and the amount of worm had significant positive correlation to yield loss; the relationship of diseases and worm was complex, the yield loss of mixed damage was occupied 41.48% of the total damage of the single, the sequence was A＜C＜B＜D＜ABCD＜, the simulated models of mixed damage and economic threshold were developed.

研究表明，病虫为害主要影响穗粗、行粒数和百粒重产量构成因素，病级和虫量与产量损失呈显著正相关；病虫之间存在复合为害关系，复合产量损失率占四者单独造成产量损失率之和的41.48%，其大小依次为：A＜C＜B＜D＜ABCD＜，并组建了复合为害损失及复合经济阈值模型。

Summary In copyright infringement cases,if the alleged infringer uses or even plagiarizes the copyrighted works or parts thereof,which causes no substantially adverse effect on the normal exploitation of the work,nor does it inflict any substantial damages to the right owner,the de minis doctrine should be applied to exempt the liabilities of the defendant and seek the balance of interests between the right owner and the general public embodied by the copyright law.

在侵犯著作权案件中，如果被控侵权行为人虽未经著作权人的同意，使用甚至抄袭了受著作权保护的作品或作品的片段，但若情节轻微，未对该作品的正常使用产生任何实质不利的影响，亦未对权利人的权利造成实质性的损害，则应适用&不计琐细原则&，免除行为人的责任，以寻求在权利人利益与著作权法所体现的社会公共利益之间的平衡。

This new product will become our best seller.

这个新产品会成为我们最畅销的产品。