化学镀与磷化的原理?在金属上做化学镀镍与磷化处理的两种的原理是否是相同的?在成本以及防腐效果上可否做个比较?

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/03 11:18:03
xWMOW+l偀MB$dYU"`21&` %sgfnR7uss/_>n{c7غ f[]9VVKQ8Vmf#eu!_lsS)SU93g oT{)uTayV]uyYEs}VFaWs7ڍ>b7@pcU\UhǀaLѫ,uʔlĞNXB1KssvN/KT>qn!Ojwfֱn [s=aV)$kݱgPճ>MGjSwΠj ʝy͆.j~*3;Ǜn)NhsU篷G.ފ>mK*S3!yQv1LScMӁ8WC3,)k_uk8U4VF/#3AbpuHP"(m%U5C8=s2\c3Ld@ZeMu4H%`Sg# uv0 X[ z6Lj#d; W|xw X.yPg [ y`t?Vyyw]&T7N6U=EB$8(`z'ѫChK9YU5)o%_3ޖG6\HDjnf:ٱAyk8wUN~߿DEuq QG7-u(72 jnOueM[m$/`;-̧i1CrbKq|0^v&1/ƚn@^|c "ҏ?F@|*=@38(WȤ-Y &xsZҤ {%F]dPon1&@wlKn=AYiσy8|t;8ZK5udGymmsgjDԫżG>(.[쯩aY. q%+\0píӸo侀LnD%)s$*L@ꚶj7o.LNOI@P]>SׅUtW:8O+6D D64 lI'Ҝak8]F59A{qPP}:ڎ;!0w[Ȩ6c/EB|LA?tL/terC_\iW%6"CJrwD:ɠWSӳ3H [<$ף^4-"X~HΤ ? @p qTUֶ]BJO^ˀa;a :Z[gAm7YoxL(ČT[=ԨmJ=ѩ⼶@gH<#hT4&ʡs݈(+1^vviT&\|JobJ]ToeF9honr/p'-KN{O;-r9r r^HOJE'4DY? u9SR0G*p