查询词典 spatial model

The model of brain concussion of rat can be established successfully using iron pendulum hitting device; 2. The spatial learning and memory deficits of the rats are detected by MWM in early period post-BC(from 1 to 3 days after BC); 3. Pycnosis degeneration or necrosis neurons of the cerebral cortex, dorsal hippocampus, dentate fornix and brainstem reticular formation are identified in BC rats; 4. There are significantly changes in the number and activity of cholinergic neurons in the basal forebrain and brainstem reticular formation after BC; 5. The change of cerebral neurons and cholinergic neurons correlate with cognitive deficits in BC rats .

1、单摆式闭合性机械打击装置能成功建立脑震荡大鼠模型；2、脑震荡大鼠在MWM实验中出现早期空间认知行为障碍；3、脑震荡大鼠大脑皮质、背侧海马、齿状回和脑干网状结构出现程度不等的部分神经元固缩变性和不完全性坏死；4、脑震荡大鼠基底前脑、脑干网状结构ChAT活性表达有明显变化；5、脑震荡大鼠认知障碍与相关脑区神经元、胆碱能神经元的变化有关联。

Methods Bilateral NBM of elderly rats were damaged by quinolinic acid,and the AD model was established.The single passive aviodance stepdown training and watermaze spatial localization test were used to study the effects of Ginsenoside Rg1 on learning and memory of AD rats.

应用喹啉酸损毁老年大鼠双侧Meynert基底核，制备AD模型，通过被动回避跳台实验和水迷宫空间分辨能力测试，研究人参皂苷Rg1对AD大鼠学习记忆能力的影响。

RESULTS:Naokangtai capsule improved the abilites of active and passive learning and memory remarkedly in the model mice with cerebral ischemia-reperfusion injury,but there was no influence to the contents of MDA,SOD and MAO.In senile dementia mice induced by D-galactose,Naokangtai capsule possessed obvious effects of improving memory and spatial resolution and decreased contents of MDA and MAO in blood significantly.

结果：脑康泰胶囊显著增强脑缺血再灌注损伤模型小鼠被动和主动学习能力，但对血液MDA、MAO和SOD含量影响不显著；脑康泰除明显增强老年痴呆小鼠主动学习和空间分辨的能力外，还能显著降低小鼠血液中MDA和MAO水平。

A new type of continuous contact model was developed for a spatial revolute joint.

提出了一种新型空间间隙转动副的连续接触模型。

In order to select optimal grid and good computation efficiency to recover the entire signal, aiming at the Ricker wavelet commonly used in forward modeling, we analyzed the alias and signal restoration problem in finite-difference method based on spatial sampling theorem and seismic wave traveling regulation in media with different velocity, to derive quantitative relationship among the modeling grid size, minimum velocity of model layer, and recovered main frequency of wavelet.

为了选择最佳的网格尺寸以及以最小的计算量完整地恢复出信号，针对地震波场正演模拟中经常使用的Ricker子波，根据空间采样定理和地震波在不同速度介质中的传播规律，分析了有限差分算法中的假频和信号恢复问题，推导出模拟网格尺寸、模型地层的最小速度和能够恢复的子波主频之间的近似定量关系，并用数值算例验证了这一关系。

The model is composed of six primitive and six objects. The primitive elements are vertex, segment, triangle, secund quadrilateral, QTPV and DEM, respectively. And the objects are point, line, surface, volume, complex and spatial object, respectively.

模型包含顶点、线段、三角形、侧面四边形、似三棱柱体元和DEM 6个基本元素，同时包含点对象、线对象、面对象、体对象、复杂对象、空间对象等6个对象。

Using a nonlinear time varying tyre model, this paper simulatively analyzes the influence of road surface roughness amplitude and road spatial frequency on automobile ground adhesion ability.

采用作者建立的非线性时变轮胎模型，仿真分析了路面不平度幅值及路空间频率变化对地面附着性能的影响。

Using nearly 50 years of landuse classification map of urban center in Shanghai city as data resources,the gross variation of landuse is studied by using GIS technology.Suppotred by GIS,the status transfer matrix of different landuse classification of adjacent period of time is also calculated respectively by this paper.At last,the spatial evolving process of landuse of urban center in Shanghai city is analyzed simulatively and forcasted quantitatively by using Markov model.

以上海市中心城区近50年来有代表性的土地利用类型图为数据源，采用GIS技术分析了上海市近50年来的土地利用总量变化；并在GIS支持下分别计算出相邻时间点不同土地利用类型的状态转移矩阵，利用马尔可夫模型对上海市中心城区土地利用空间演变过程进行了模拟分析和定量预测研究。

The results showed that the SKAW model could rather well explain the characteristics of the spatial scale of the intense electromagnetic spike events associated with strong local plasma density fluctuations in the data of the Freja satellite.

它具有一个与阿尔文分支上SKAW同一量级的扰动电场，但扰动磁场比后者低β1/2倍。它有可能解释FREJA卫星观测到的准静电阿尔文扰动。

For more exact modeling population distribution condition and more expressly reflecting population spatial pattern in urban region,with the fifth census data of Shenyang City,in this paper we spatialize population data by using grid calculating,model population distribution by using Geo\|statistics,identify population pattern by using DEM models and analyze characters of population distribution.

为准确地模拟城市人口分布，清晰地反映城市人口分布格局，本文利用沈阳市第五次人口普查资料，采用网格计算方法空间化人口数据、地统计学的空间插值方法模拟人口分布。

By using competitive adsorption of activated carbom to remove unfavorable influence of carbon in carbonaceous gold concentrate on leaching process, the leaching rate of gold concentrate can be improved to 88% as compared with 10%by direct cyanidation.

本文论述了利用活性炭竞争吸附作用，消除含炭金精矿中炭在浸出过程中的影响，使金精矿的浸出率可由直接氰化的10％提高到88％。

The only thing you're ever gonna be king of is King of the Stupids!

你只配做傻瓜的国王！