The interfacial microstructure of joined single crystal and polycrystalline alumina

The interfacial microstructures of 96 and 98% polycrystalline alumina joined with single crystal sapphire have been investigated in relation to the joining parameters. Joining has been evaluated based on either using a thin spin-on silica interlayer or by placing the alumina and sapphire in direct contact. The materials were joined by placing the coated or uncoated surfaces in contact and heating in the range of 1340–1475 °C with minimum external load. With the aid of a silica interlayer, sapphire and 98% polycrystalline alumina were successfully joined in 180 min at 1400 °C and above, while samples without a silica interlayer failed to join under these conditions. However, sapphire and 96% polycrystalline alumina were joined both with and without the use of silica interlayer. A variety of interfacial morphologies have been observed, including amorphous regions, fine crystalline alumina, and intimate contact between the sapphire and polycrystalline alumina.     

基于MPEG—2文件的合并

本介绍了具有相同音频、视频编码方式的MPEG2节目流如何合并成一个节目流。合并后的件播放流畅并且时间显示正确。它包括PAT PMT表的重写，系统头部分相关字段的更改，PCR值的修改，解码时间标签（DTS），显示时间标签（PTS）的重新确定，传送速率的修改以及添加相应的空包。     

浮栅技术及其应用

介绍了浮栅技术的基本原理及应用情况。井对2种应用了浮栅技术的典型器件-浮栅MOS晶体管和神MOS晶体管做了详细介绍，分析了他们的基本结构和工作原理，以及建立浮栅MOS晶体管的等效模型，并说明了他们的应用情况及存在的不足。     

Hierarchical Self‐Assembly of Peptide‐Coated Carbon Nanotubes

Numerous applications, from molecular electronics to super‐strong composites, have been suggested for carbon nanotubes. Despite this promise, difficulty in assembling raw carbon nanotubes into functional structures is a deterrent for applications. In contrast, biological materials have evolved to self‐assemble, and the lessons of their self‐assembly can be applied to synthetic materials such as carbon nanotubes. Here we show that single‐walled carbon nanotubes, coated with a designed amphiphilic peptide, can be assembled into ordered hierarchical structures. This novel methodology offers a new route for controlling the physical properties of nanotube systems at all length scales from the nano‐ to the macroscale. Moreover, this technique is not limited to assembling carbon nanotubes, and could be modified to serve as a general procedure for controllably assembling other nanostructures into functional materials.     

质子和中子的单粒子效应等效性实验研究

通过实验方法确定了高能质子和中子引起的单粒子效应等效关系，实验中采用金箔散射法降低了质子束流强度，并利用热释光剂量计（TLD）进行质子注量的监测，采用新研制的存储器长线实时监测系统，进行了64K位至4M位的SRAM器件单粒子效应实验，确定了两种粒子引起单粒子效应等效关系。     

In－BiCaVIG的晶体生长与性能

本文报导了用助熔剂法成功地生长大尺寸掺铟ＢｉＣａＶＩＧ晶体的方法以及实验结果，介绍了该单晶在近红外区的磁光器件中的重要应用。     

LED显示技术的现状和发展

综合介绍了ＬＥＤ显示技术的现状，详细叙述了全色ＬＥＤ显示的关键技术和主要性能，对ＬＥＤ在室内，室外的应用前景作出评述。     

一种实用的新型双转动单螺杆泵

针对目前单螺杆泵使用中存在的转速低、振动大和离心力大等局限性,研制了一种实用的新型双转动单螺杆泵。这种泵结构简单,省掉了减速机构和万向装置,实现了内、外转子同方向高速平稳转动。该泵有4大特点:(1)把现有螺杆泵转子的滚动+绕偏心距摆动的复杂运动简化成绕其中心的纯转动,故噪声小,振动小,离心力小;(2)内、外转子是纯转动,无摆动现象,故动力轴和螺杆之间无需万向装置,内、外转子可制成全金属型,耐温达200℃以上;(3)无需减速机构,电动机可直接与内、外转子对接,使螺杆泵转速由400r/min提高到3500r/min;(4)外转子可以模块化加工。