MRI Analysis on the Volume of Hippocampus and Dentate Gyrus in Alzheimer's Disease Patients

Aim: To explore the relationship between the stromal cell-derived factor-1 ( SDF-1) that expressed in hippocampus dentate gyrus and the activity of spatial learning and memory.

目的：探讨空间辨别性学习记忆活动引致大鼠海马形态学可塑与海马齿状回内基质细胞衍生因子-1（SDF-1）表达的关系。

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METHOD EPSPS of the dentate gyrus granular cell layer of the rat hippocampus was induced and strong stimulation was given to the cerebral cortex anterior perforated substance to cause LTP reaction.

方法引导大鼠海马齿状回颗粒细胞层突触后兴奋性电位群（EPSPs），强直刺激（HFS）大脑皮层前穿质区引起海马突触LTP反应；用东莨菪碱制备学习记忆障碍模型；

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Dentate gyrus included molecular layer, granular layer and polymorphic layer. There are round and elliptical cells in granular layer.

齿状回可区分分子层、颗粒细胞层和多形细胞层，其中颗粒细胞层内细胞多呈圆形或椭圆形。

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A Morlet-like wavelet clusterbased method for bandpass filtering and envelope demodulation is described.

提出了一种基于小波簇的带通滤波和包络解调新方法.

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Conclusions Compared with the routine approach in the treatment of Circumferential Mixed Hemorrhoids, the surgical management Dentate Line Preserving Suspend Ligation shortened the healing time of the operative wound.

结论：保留齿线悬吊术治疗环状混合痔与外剥内扎术相比，明显缩短术后伤口愈合时间。

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Objective To observe the curative effect of the improved external dissection and internal ligation with the dentate line reserved& internal sphincterotomy in the treatment of circumferential mixed hemorrhoids.

目的将保留齿线和内括约肌侧切运用于改良术中，观察改良术治疗环状混合痔的临床疗效。

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In the control group, tissues were obtained at point 1 cm to dentate line in acquired anal fistula and rectal trauma infants.

术中收集后天性肛展、直肠外伤等5例无畸形患儿直肠齿状线上约Icm以内水平处肠组织做对照，标本处理同前。

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Conclusion The distribution of lymphatics in every layer of dentate line upwards are similar to other digestive tubes'.

结论齿状线以上直肠壁各层淋巴管的分布与其他部位消化管壁的相似；

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Clinical observation of internal injection and external excision with preserved dentate line in treatment of circumferential mixed hemorrhoids

内注外切保留齿线术治疗环状混合痔临床观察

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Clinical Applications by Anastomosis of Sigmoid and Anus Dentate Line of Sphincter-saving Operation for Low Rectal Malignancy

低位直肠癌行乙状结肠齿状线吻合的保肛术的临床应用

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A sphincter saving procedure by partial dentate line and anal wall resection for super low rectal malignancy

一种切除部分齿状线和肛管全层的超低位保肛手术

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A novel phase demodulation technique in frequency domain based on wavelet transform is introduced.

提出一种基于小波变换的频域解相技术.

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No significant differences in the patient demographic data between the two groups were observed.

统计学数据表明两组病人的无显著差异.

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A demographic analysis indicates that most of our members are dental assistants.

一份人口统计分析表明我们的大多数成员都是牙科助手.

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The variety is different from the typical one by having larger and thicker leaves with crenate or dentate margin, broadly winged petioles, broad-obovate or oblanceolate and serrate bracts, and lilac corollas with longitudinal yellow stripes in the throat.

该变种与原变种不同在于叶大而厚，边缘具圆齿或牙齿，叶柄具宽翅，苞片宽倒卵形或倒披针形，有锯齿，花冠淡紫色，喉部具黄色纵纹。

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The 2nd modification ( 1964) preserves the dentate margin and anal transitional zone ( acute anal sensation), thus greatly improving defecatory control.

第一次保留了肛提肌，第二次保留了齿线和肛管移行区（肛管感觉），从而大大提高了排便控制能力；

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By means of variable substitution and iterative method, this paper puts forth some new higher-order differential equations, and gives their formula of reduction of integrals to common denominator.

借助变量代换、迭代等方法，提出几类新的高阶常微分方程，给出其相应的通积分公式。

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But to find a common denominator where we can all talk, where we don't find ourselves divided by religion or culture anymore, because we've got down something so essential.

我们所找的共通之处可以使我们彼此交流，让我们发现我们，不再被宗教与文化分隔开来，因为我们已经获得了最本质的东西。

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Humour has to be shared-you need to find a common denominator and it should never be focused on one person.

幽默应该是与人分享的你应该找到一个共同点，而且永远不应该只针对一个人。

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The test and design of_a/ o biological denitrification system

A/O生物脱氮系统设计参数选定

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