网络结构

While acetanilide could induce PVC to form a soft network,as made the elongation at break be 11 times of pure PVC.

而乙酰苯胺诱导PVC形成了柔性的网络结构，使PVC的断裂伸长率增至纯PVC的11倍。

The results indicated that following the increase of acetanilide loading, PVC crystalline was raised first and then decreased, when acetanilide content was 3%, PVC crystalline reached the maximum and the tensile strength was the strongest; the micro morphology was changed from an even cloud-like structure to an fiber like network, and the perfection of the network was raised first and then lowered, as made the elongation at rupture rise first and then decline.

结果表明：随着乙酰苯胺质量分数的增加，PVC结晶度先增后降，当乙酰苯胺质量分数为3%时，PVC结晶度最大，拉伸强度也最大；微观结构逐渐由均匀的云片状结构变成网络结构，且网络的完善性先增后降，使得材料的韧性先增后降。

Adjacent helical chains are racemic. The Ag atom is linked to two nitrogen atoms of the 2-pyridyl and 4'-pyridyl groups from two different 2,4'-bpy ligands as well as to the oxygen atom of the counterion. In 17 and 19, the adjacent helical chains are linked to wavy two-dimensional network structures by the nitrate counterions.

相邻的螺旋链间是外消旋的，Ag 原子与分别来自两个不同2，4'-联吡啶的2-吡啶基和4'-吡啶基的氮原子以及阴离子的氧原子配位，在配合物17和19中，相邻聚合螺旋链被硝酸根离子桥连接起来，变成了一个波浪形的二维网络结构；配合物18是首次通过无桥连配体支持的Ag ××× Ag键将相邻螺旋链连接成二维非穿插的网络结构。

The results show that the density of glass, glass transition temperature and thermal expansion coefficient increase with the increase of yttria content, and the chemical durability decreases with the increase of yttria content. The bend strength of glass increases from 53.52 MPa to 109.65 MPa when 1.80% Y2O3 is added into glass. However, with the content of yttria further increases to 6.84%, the bend strength is suspended about 110 MPa. Y2O3 acting as network modifies in the structure and makes the island-shape network unit repolymerization by the bonding of Ge-O-Y because of the decrease of non-bridge oxygens and strengthening of glass network structure.

结果表明：该系统玻璃的密度、玻璃转变温度和热膨胀系数随氧化钇含量的增加而升高，玻璃的化学稳定性随氧化钇含量的增加而下降；在玻璃中加入1.80%氧化钇后，玻璃的抗弯强度值由53.52 MPa增至109.65 MPa；继续增大氧化钇的含量至6.84%时，玻璃的抗弯强度维持在110 MPa左右；氧化钇的加入减少玻璃网络结构中非桥氧数量，使孤立的岛状网络单元重新聚合，增强玻璃的网络结构。

Results showed that the action between SiO2 particles was strong when the dispersion concentration was high; the network structure formed by PVA and coatings'' components had low strength; the network structure formed by mordant and coatings'' components was unreversible and strong; the thickener could perform as disperser and weaken the coatings'' structure, and the lubricant could improve the flow of the coatings in the micro structure.

结果表明，SiO2分散液浓度高时，SiO2粒子间的作用增强；PVA与涂料组分形成的网络结构强度比较差；固色剂与涂料组分形成不可逆、强度高的网络结构；辅助胶黏剂具有分散剂的作用，可在一定程度上弱化涂料结构的强度；润滑剂能够提高涂料的流动性能。

Furthermore, the central idea that MAN should be built in commixing transmission mode and network structure should be layered has been established as a whole direction. In the end, the particular designing precept- includingnetwork structure, routing protocol, domain name system, IP address distribution, network security, network management, accounting, traffic engineering, network interlinking, service system implement and so on, has been analized and dissertated systemically, and the corresponding material implement precept has also been brought forward.

确定了以混合传输模式为中心、网络结构分层建设的总体设计思想；对城域网建设中详细的设计方案，包括网络结构、路由协议、域名系统及IP地址分配、网络安全、网络管理、计费、流量工程、网络互连、业务系统实施方案等方面问题进行了系统的分析与论述并提出具体的解决方案。

The molten polymer's entanglement network is assumed to deform nonaffinely and the transient network structural theory with the revised upper convected Maxwell constitutive equation is used to establish a new nonaffine network structural model of molten high polymer in a sinusoidal strain field.

在正弦应变作用下，假设聚合物熔体的缠结网络形变是非仿射的，运用瞬态网络结构原理，并对上随体Maxwell本构方程加以改进，从而得到一个适合于振动剪切作用下的聚合物熔体的非仿射网络结构模型。

For the cement, the surface hydration is the primary process at the initial stage, the kaolin disorganizes and gets into the solution in the form of the silicate tetrahedron and aluminate tetrahedron at the induce stage; the silicon-aluminum tetrahedron network structure is formed at the accelerate stage; the unti-network structure is formed and the rate of heat evolution falls at the decelerate stage; the reaction finished ultimately at the stable stage.

但其水化机理与传统的硅酸盐水泥不同：初始期主要是表面水化，诱导期是高岭土解体并以硅氧四面和铝氧四面体的形式进入液相；加速期形成硅铝四面体网络结构；减速期网络基本形成，水化放热速率降低；稳定期反应速率很低，网络结构趋于稳定。

Dalian Meteorological Bureau;Dalian 116001Abstract In terms of advanced network security technology and equipment,how to rebuild the network system and to strengthen the network security was brought forward according to the existing problems and the hidden trouble of local network structure and network security in Dalian Meteorological Bureau.The network structure was replanned by subnet division technology.Multi-defensive lines were set up to prevent the potential internal and external attack.

根据安全网络的要求，利用先进的网络安全技术与设备，针对大连市气象局局域网在网络结构、网络安全方面存在的问题及隐患，提出网络系统改造方案及加强网络安全的措施：网络改造方案中采用子网划分技术重新规划网络结构，实现子网划分；针对可能存在的内、外部网络攻击，部署了多层次防线，对边界防毒和应用服务器防毒及客户端防毒均作了相应的部署。

Three-tie star network based Browser/Server model is considered according to the comparisons between information technology and control system development and the analysis of centralized network building. On the other hand, the design thinking of the application software based the network is showed and the leading roles of Web technology are informed.

本章根据计算机信息技术和控制系统发展之间的比较和网络集中架设方案的分析，提出了系统网络架设方案，即基于B/S模式的三层星形网络结构；另一方面对此网络结构的应用软件的设计思想进行了说明，确定了Web技术在本软件系统的主导地位。

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。