鋯基合金 的英文怎麼說
中文拼音 [gàojīgějīn]
鋯基合金
英文
zirconium-base alloy-
Zirconium and zirconium alloys - determination of cobalt content - 1 - nitroso - 2 - hydroxy - 3. 6 - naphthalene - disulfonic acid sodium salt spectrophotometric method
鋯及鋯合金化學分析方法亞硝基r鹽分光光度法測定鈷量Methods for chemical analysis of copper - chromium - zirconium alloys. the determination of silicon of silicomoly benum blue photometric method after extraction with methyl isobutyl ketone
銅鉻鋯合金化學分析方法.甲基異丁基酮萃取?鉬藍光度法測定硅Present status of research and app
鋯基大塊非晶態合金的研究應用現狀Zirconium and zirconium alloys - determination of vanadium content - n - benzoyl - n - phenylhydroxylamine spectrophotometric method
鋯及鋯合金化學分析方法苯甲酰苯基羥胺分光光度法測定釩量Wavelet decomposition : db4 wavelet decomposition and energy norm l1 was employed to extract feature of zr - 4 alloy images. with the selected wavelet db4, features at different frequency channels of life span were gotten. then an energy change at the direction of fracture extension was studied to find the relationship between the feature and life - span. fractal algorithm : feature of image at different channel was extract after wavelet transform
基於小波分解的斷口圖像的分析,首先提取鋯- 4合金低周疲勞斷口紋理圖像的特徵,實驗確定了db4小波分解和l1能量的計算方法,求得不同壽命的斷口圖像在各個頻率通道的特徵值,斷口圖像的變化反映在特徵值的變化,這為圖像的壽命分析提供了一種有效的手段。分享友人