论文部分内容阅读
农机牌证管理状况分析及今后发展对策
【出 处】
:
河北农机
【发表日期】
:
2000年3期
其他文献
The latest progress and research status of laser cladding ceramic coating was summarized. Technique characteristics and influence factors of laser cladding tech
我省属于干旱、半干旱地区,普遍采用的深耕细耙农业耕作方式由来已久,由此带来的弊端也越来越明显.近年来,华北地区频频发生沙尘暴,给人民生活和社会生产带来了极大的危害,甚
One way of improving the magnetic properties of RECo5 (RE=rare earth) compounds, especially the magnetic anisotropy energy (MAE), is to dope them with some addi
FBP和FCNN网络是模式识别中应用最为广泛的两种神经网络,本文将这两种网络应用于车型识别,分别建立了车型识别模型。利用混沌对初值的极端敏感依赖提出了FCNN网络算法,通过对车
The oxidation behavior of NiAl-30.75Cr-3Mo-0.25Ho alloy in temperature range of 1300-1500 K in air was investigated. The results reveal that the oxidation resis