原子的

A knowledge representation method called Logical Neural Network Element Rule of integrating rule-based semantic structure with numeric-based counectionist architecture with learning capability is proposed.

具体提出了一种将基于规则、具有语义的结构与基于数字、具有学习能力的连接机制集成为一体的、被作者称为逻辑神经网络原子的知识表示方法。

The Sn doped makes the electrical conductivity change from insulator to n-type semiconductor.

用共蒸发法制备掺锡的C60薄膜，发现掺入的Sn原子的薄膜导电性由原来的绝缘体变为N型半导体。

The reaction barrier will be lowered by the substituents that delocalize the unpair electron in Pz orbital of the central carbon atom.

当R^1，R^2位置是甲基时，由于碳原子的pz轨道与甲基的一个C—H键轨道间存在强的超共轭效应，从而可以较大程度地降低α-氢转移反应的势垒。

To the scientists of the 1950's and 1960's, the shattering power of the atom seemed like the answer to all our energy problems.

对于20世纪50、60年代的科学家来说，原子的裂变产生的能似乎是解决我们所有能源问题的契机。

The results indicate that the welding temperature is the most important factor for diffusion welding of composite. When the welding temperature range is between solidus and liquidus, the peak joint strength can reach 170 MPa.

指出焊接温度是复合材料扩散焊接最重要的工艺参数，焊接温度介于基体合金固相线与液相线之间，接头强度最高值可达到170 MPa；接合界面的氧化膜阻碍基体原子的扩散，是复合材料接头强度下降的原因之一。

This character of the photonic crystal containing defect can be used to enhance spontaneous emission of atoms and to make narrow band filter.

光子晶体缺陷的这一性质具有很重要的实际用途，如增强原子的自发辐射、制作极窄带的选频滤波器等。

In order to realize the multilevel switch threshold in the voltage-mode multiple-valued logic circuits, the technique of ion implantation into the channel region of the MOSFET by controlling the impurity atoms has been applied in the previous literatures, which can not only increase the difficulty of the processing and the working procedure, but also increase the manufacturing cost.

而在电压型多值逻辑电路中为了实现多级开启阈，普遍采用控制杂质原子的离子注入到MOS管的沟道区中来实现，不仅增加了工艺和工序的难度，也增加了制造的成本。

Based on the introduction of quantum numbers and bonding parameters,a novel molecular topological index ~A~was suggested.

通过引入量子数、键参数，认为分子的性质与其中各原子的电负性、价电子数、成键电子数、价层主量子数及各化学键的键长有关，提出了一种新的分子拓扑指数mAY。

Also useful are oil-soluble copper dithiocarbamates of the general formula Rc Rd z Cu, where z is 1 or 2, and Rc and Rd are the same or different hydrocarbyl radicals containing from 1 to 18, and preferably 2 to 12, carbon atoms, and including radicals such, for example, as alkyl, alkenyl, aryl, aralkyl, alkaryl and cycloaliphatic radicals.

化学通式为Rc Rd z Cu的油溶性二硫代氨基甲酸铜也适用，式中，z为1或2，Rc和Rd是含1～18（以2～12为宜）个碳原子的相同或不同的烃基，这类烃基的实例包括烷基、烯基、芳基、芳烷基、烷芳基和脂环基。

The invention provides a method for homopolymerizing conjugated dialkene or co-polymerizing conjugated dialkene and monovinyl aromatic hydrocarbon. The method comprises the following steps: the conjugated dialkene is homopolymerized or the conjugated dialkene and the monvinyl aromatic hydrocarbon are co-polymerized randomly. The method is characterized in that at least one alkali metal alkoxide compound expressed by the formula is used as a structure regulator; in the formula, R is linear chain or branched chain alkylidene radical having 1 to 10 carbon atoms; M is alkali metal selected from Li, Na, K, Rb and Cs.

本发明提供了一种使共轭二烯烃均聚或者使共轭二烯烃与单乙烯基芳烃共聚的方法，包括在阴离子聚合条件下使共轭二烯烃进行均聚或者使共轭二烯烃与单乙烯基芳烃进行无规共聚，其特征在于采用至少一种式所示的碱金属醇盐化合物作为结构调节剂，其中R为具有1-10碳原子的直链或支链亚烷基；以及M为选自Li、Na、K、Rb和Cs的碱金属。

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。