minia相关论文
With the self-made pyrolysis equipment in miniature, we experimented in different pyrolysis conditions to get different ......
Fiber-optic Fabry-Perot (F-P) sensors are widely investigated because they have several advantages over conventional sen......
采用传统的固相反应法制得了一种低损耗的Z型铁氧体材料(Sr1Ba2-xBixCo2+xFe24O41,其中x=0,0.15),基于此材料设计得到一近似全方向辐......
Twenty five impurity elements in aluminium applied as reactor material are determined.Titanium and nickel are determined......
在分析微细铣削成形条件和加工要求的基础上,开发了一套微型铣床系统.研究了机床主轴激励、频响函数及其振动性能.并通过增加阻尼和改......
提出了一种新颖的适应于手机终端上的八频段手机内置天线。利用(Planar Inverted-F Antenna,PIFA)天线原理、多带线设计方案,便于实......
本文叙述了一种电动操动机构直流永磁电机在起动时引起微型断路器跳闸的问题及改进措施。利用LabVIEW软件对电流、角度等参数进行......
为了了解分形技术中的精细结构在分形天线的小型化设计中,对分形天线小型化的影响状况。本文采用对比的方法,通过改变Koch分形单极子......
随着通信技术的发展,机载设备的通信频带越来越宽,而体积却越来越小,同时要求有较高的可靠性.功放作为其中体积最大、耗电最多、发......
The study of metamaterials is among the most important and attractive topics of the electromagnetic field theory and app......
Impact of Surface Water and Groundwater Pollutions on Irrigated Soil, El Minia Province, Northern Up
Current research has been focused on heavy metals pollution in surface water and groundwater and effect on irrigated soi......