神经形成

The expression pattern of gibel carp pou2 suggests that this gene should play an important role during early stages of embryogenesis. It might regulate the formation of neural plate and the fate of midbrain and hindbrain cells during early embryogenesis.

银鲫pou2基因的表达图式提示该基因在胚胎发育的早期具有重要作用，它可能参与调控神经板的形成和中后脑细胞的发育命运。

Substituting other faster algorithm of NN for the BP algorithm in it, we get a new non-line homotopic synthetic learning algorithm, which increases the speed of convergence and improves the ability of avoiding local minimum.

在此基础上，进一步提出用其它改进的神经网络快速算法代替其中的BP算法，从而形成新的非线性同伦综合学习算法，即保持了快速收敛的特点，又较大地提高其避免陷入局部极小的能力，收到很好的训练效果。

We proposed a hypothetic model with lateral inhibitions and give corresponding mathematical deduction to illustrate the internal biological mechanism of neuronal temporal RF.

提出了一个基于侧抑制神经网络的假设性模型来解释视皮层神经元时间感受野形成的内部机制，并给出了数学上的推导。

Presentational training method of image movement adopts psychological principles, utilize iterative memory and image to stimulate the central nerve system of the cerebra, and prompt the process of thinking. It can help the students to understand and master the mechanism of the action so as to make the ocular presentation and kinesthesia nerves connect with each other.

想象运动表象训练方法采用心理学的研究成果，利用反复记忆与想象，刺激大脑中枢神经系统，促进思维过程活跃，帮助学生理解和掌握技术动作的机理，使所获得的视觉表象与动觉神经有机联系起来，形成肌肉的用力感、空间方向感、身体的平衡感和运动速度感。

Characteristic data have been worked out, including the maximum Lyapunov index λ, fractional dimension D, lacunarity Λ and eight energies of various frequency bands. After being normalized, they can function as the characteristic vectors. Then, they are transmitted into an artificial neural network to perform pattern recognition.Starting from the mechanism of ultrasonic generating, initial ultrasonic pulses are calibrated. A stylish discharge source is directly coupled with the ultrasonic sensors, and work out actual discharge magnitude.

利用非线性和非平稳的方法对超声波信号进行了分析处理，对于局部放电模型得到的信号，计算了超声波信号的Lyapunov指数、分维数D、空缺率、小波包分解的8个频带能量，得到了11个特征数据，归一化处理后形成特征向量，由人工神经网络进行识别，实现了对局部放电典型模型的模式识别，显著提高了模式识别的正确率，并分析了传播途径对识别的影响。

A flexible rodlike structure that forms the main support of the body in the lowest chordates, such as the lancelet; a primitive backbone.

脊索细胞构成的一条纵长可弯曲的杆状结构，其作用是引导产生神经板，形成躯体的支持轴

Matthes H,Boschert U,Amlaiky N,Grailhe R,Plassat JL,Muscatelli F,Mattei MG,Hen R.Mouse5-hydroxytryptamine（5A）and5-hydroxytryptamine（5B）receptors define a new family of serotonin receptors:Cloning,functional expression,and chromosomal localization ［J］.

5-HT5A R在神经系统的诸多结构，如大脑皮质、海马、边缘系统等区域分布广泛，提示该受体在调节认知、焦虑及其相关行为、感觉的形成以及神经内分泌等方面可能发挥重要的作用。

Many signaling pathways play important roles in the formation of mesoderm and patterning of the neuroectoderm during early development of vertebrate embryos.

在脊椎动物胚胎的早期发育中，多种信号途径对中胚层形成和神经外胚层分化起着重要的调节作用。

It has foundβ1,4-GalTⅠas a recognition molecule participated in the adhesion and spreading of cell, recognition of sperm-ovum, growth of nerve neurite, the formation of tissue and tumor metabasis as an adhesive molecule. Embryo implantation is similar to tumor metabasis and invasion.

细胞表面的β1，4-GalTⅠ作为一种黏附分子，参与细胞黏附、铺展、精卵识别、神经轴突生长、组织形成和肿瘤转移，而胚胎着床与肿瘤转移、侵袭过程非常相似。

Structural thinking is the comprehensive consideration in a compose's mind when he is composing a musical piece, it contains the choices of the ways in which the music will develop and the decision on the form in which the piece will be. The structural thinking should transform into corresponding techniques and produce coincident sound effects.

综观利盖蒂的创作，可以发现他的作品即具有在结构的形成过程与结果上常常"出入意料"的处理，但又总是充满着朴素的艺术价值，即既能表现出在乐曲的组织过程和结构形式上的精雕细琢、又能表达出"一目了然"的情感诉求，更为重要的是其音响虽常使人们的听觉神经感到刺激，但却经得起反复聆听。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。