使用色差仪内的密度检测公式或是使用分光密度计测量印刷行业中的油墨问题,计算公式都相同,只是测量的形式不一样,结果仍然是一致的。
YOUMOBENSHENXINGZHIYINQIDESHIYONGMIDUZHIYUHOUDUBUZHENGZHENGBI,ERSHICHENGXIANYIZHONGJIAOWEIFUZADEGUANXIMOSHI,ERQIEHAIYUZHIZHANGDEDAXIAOYOUGUAN。SHIYANZHENGMINGYOUMODEGUANGMIDUDBINGBUSHIYINWEIYOUMODEHOUDUERWUXIANZENGJIADE。ZHEILICUNZAIYIGEBAOHEZHI,SHIYONGSECHAYIHUOZHEMIDUJIJIANCE,WOMENHUIFAXIANDANGYOUMOHOUDUZAI10μZUOYOUGUANGQIANGDUKAISHIJIBENSHANGCHUYUWENDINGZHUANGTAI,YEJIUSHIQIDADAOLEBAOHEZHUANGTAI。SHEBAOHEZHUANGTAISHIDEMIDUZHIKEXIECHUXIAMIANDEGUANXISHI:
dD=m(D∞-D)·dl

JINGJIFEN、ZHENGLIHOU,YOU:D=D∞(1-e-ml)SHIZHONGmSHIYUYINSHUAYONGZHIZHANGPINGHUADUYOUGUANDECHANGSHU。
SHIZHONGMIDUD、YOUMOHOUDUlKEYONGSHIYANDEFANGFAQUEDING,CONGERKEYIQIUCHUSHIZHONGDELINGWAILIANGGECANSHUD∞-1HEm。
LIRUYONGXINWENZHIZAIYINSHUASHIXINGYI(IGT)SHANG,YIl1=1.097μ、l2=2.194μJINXINGYAYIN,CEZHIQIXIANGYINGDEMIDUWEID1=0.69,D2=1.01ZEANSHANGSUFANGCHENGSHIKEXIECHUFANGCHENGZU:
D1=D∞(1-e-ml1)
XIAOQUD∞lZEYOU
D1=1-e-ml1/1-e-ml2·D2
0.69=1-e-mx1.097/1-e-mx2.194×1.01
D2=D∞(1-e-ml2)
JIEFANGCHENGSHIKEQIUDEZHIZHANGPINGHUADUCHANGSHU
m=0.571
YOUSHISHANGMIANDEGONGSHIKEYIQIUDEBAOHEZHUANGTAISHIDEMIDUZHI:
D∞=D1/(1-e-ml1)=0.69/(1-e-0.57lx1.097)=1.484
JIANGSUOQIUDEDECANSHUD∞HEmDAIRUSHI,JIUKEYIDEDAOSHIHEYUXINWENZHIDEYOUMOMIDUYUHOUDUGUANXIJISUANSHI:
D=1.484(1-e-0.571l)
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