The dramatically shape difference of gold and silver nanoparticles is largely attributed to the different reducing ability of the metal ions and coalescent ability with the capping agent 而两种金属纳米粒子的形状完全不同的主要原因则主要来源于其离子被还原能力的差异和与包裹剂作用能力的不同。
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The structure of distributed multimedia management combining with centralized switch control incarnates the coalescent of computer network technology and communications network technology . and it supplies the feasible resolution to the development of grouping based on ip 其分布式媒体处理和集中式交换控制相结合的体系结构充分体现了计算机网络技术和通信网技术的有机结合,为电信网向以ip为核心的分组化方向演进提供了可行的解决方案。
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In middle school , we carry out environmental education , its basic concept are : first , by way of infiltrate teaching , impart the knowledge of the environmentalism in the chemistry class , it means that we make the text as the basic , make the educate target as warranty , make coalescent of chemistry knowledge and protect environment as a core , and make students " acceptability as principle , grasp osmotic content exactly , make the environmental education in the class teaching 在中学化学教学中开展环境教育的基本理念是：一、通过渗透教学，利用化学课堂传授环保知识。即以教材为基础，以教育目标为依据，以化学知识与环保知识的结合点为核心，以学生的可接受性为原则，准确把握渗透的内容，做到寓环境教育渗透于课堂教学之中。
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This structure is kind of outer - coalescent . it adopts neural network ' s clustering function to classify the system output , then link a fuzzy controller in form of series which rules are made through the classified result . the design process and the experiment shows the well control effort to the full - bridge series type resonant dc - dc converter , at the same time the whole process avoids not only the modulating parameter process of the traditional method , but also the complexity of the traditional fnn design 然后本文又对全桥式串联共振型dc - dc变换器的主电路的状态方程进行了理论上的推导，从而确定了这种全桥式dc - dc变换器的各种工作模式；然后通过分别对模糊控制和神经网络进行介绍，提出了一种新型的模糊神经网络控制器模型，该控制器模型是一种外接式结合? ?串联式结合方式，它利用了神经网络的聚类功能，采用了一种再生式神经网络，即elman网络来对系统输出进行分类，然后根据分类结果设计模糊控制器，这样就简化了整个模糊神经网络控制器的设计过程。
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Adding sic can decreases sintering temperature of al2o3 efficaciously , but also can make the al2o3 crystal growth as flake , strengthen the coalescent of the al2o3 crystals , and the residual sic during sintering can strengthen the al2o3 ceramics . because the reaction between sic and al2o3 begins from the surface of samples , there is a compact protecting field on the surface of the samples to restrain o2 enter into the samples , and leave more pore in them to decrease the thermal expansion coefficient and increase their the al2o3 ceramics " thermal shock resistanc e times 引入sic的样品在烧结过程中，首先在样品的表面产生sic与o _ 2及al _ 2o _ 3的反应，形成一层致密的保护层，阻碍o _ 2进入材料内部，在材料的内部留下较大的气孔率，可以降低其热膨胀系数，并使材料在受热过程中有一定的空间进行结构调整，能够显著的提高al _ 2o _ 3陶瓷材料的抗热冲击次数。
