叠印

冲淡剂具有必定的透明量，适分油不朱的众色叠印。

Diluting agent has certain transparency for ink multi-color overprint .

叠印：在印件上面再行施印的情况。

Overprint : An additional printing over a previously printed sheet .

你可以把这些文字直接叠印在你的一张照片上。

You can superimpose the lettering directly onto one of your pictures .

3张照片相互叠印在一起。

Three photos were superimposed one on top of the other .

在湿叠印方面，适当的油墨牵力十分重要。

Correct ink trapping is very important in Wet-on-wet printing .

思想的形态，它的奇妙就在于莫测的叠印。

The form of thought , the marvel exactly is the unpredictable superimposition .

油墨叠印良好是保证印刷质量的前提。

The perfect ink double print is the premise of ensuring printing quality .

油墨叠印效果测量方法的探讨

The Study about the Measure Method of Trapping Effect

他们的影子在墙上叠印在一起，周围是一些奇怪的影子。

Upon the wall , their shadows blended together , surrounded by strange forms .

本文分析了几种影响油墨叠印的因素并提出了相应的解决方式。

The author analyses some elements of influencing ink double printing and presents the corresponding resolution .

油墨牵力：是先印的油墨能否把叠印的油墨牢固拉着的能力。

Ink trapping : It is the ability of the first down ink to get hold of the overprinting ink .

验证了各色版加网角度叠印的合理性，界定了目线比的准确范围。

Angles rational disposition of film separations are verified , the rational range of ratio of mesh to line are defined .

在印刷复制过程中，油墨叠印后得到的中性灰色往往容易产生色偏。

During the printing reproduction , accurate color reproduction can not be reproduced and neutral gray overprinted always has color slanting .

单色：不是用四色彩印油墨叠印而造成的一个特别颜色，它专为某印件而调配。

Special colour : A specific ink colour mixed specially for a job rather than made up out of the process colour set .

透明墨：叠印时，能让其他颜色显现，并随即造成一个混合色的墨，如四色彩印墨。

Transparent inks : Inks such as process inks which permit other colours to show through when overprinted and so produce subsequent mixed colour .

在创作实践中，意象艺术主要表现于意象结构手法，诸如并置、叠印、融合、喻示等。

In creating practice , this manifestations of imagery art : configuration technique of the imagines , for example , concatenation , overlapping and integration .

回忆可分为两种类型，即今昔意象的双重并置和今昔意象的叠印交织。

" The recollection " may divide into two types , namely , the dual juxtaposition and the interwoven of the present and the past image .

基于专色在地图印刷中的重要性，则通过测色配色实验来建立专色油墨的调配方案和四色叠印方案。

At the same time , collocation schemes and four colors superimposition schemes of spot color would be founded based on the importance of spot color in printing .

然后，印刷获得待测印张，测量印张的主要质量控制参数，如实地密度、相对反差、灰平衡、网点扩大以及叠印率等。

Second , the major quality control parameters of the printed sheets were measured , such as solid density , printing contrast , grey balance , dot gain and ink trapping .

叠印顺序对油墨色彩的影响很小，平均色差值都在3以下，油墨具有良好的叠印特性。

But in general the color sequence has little impact on color reproduction . The average color deviation is below 3 , which proves that ink has a good trapping characteristics .

在湿式叠印时，先印的油墨不但不能把第二次的印刷墨牵着，而且让第二的印刷墨把部份的先印墨拉去的情况。

In wet-on-wet printing , the condition that the first down ink was unable to trap the second printing ink but part of it was taken away by the second printing ink .

牵引力，（2）叠边：（1）是油墨对随后施印或叠印的墨的接受能力。适当的牵引力，造成正确的色彩平衡。

Trapping : ( 1 ) The ability of a printed ink to accept a succeeding or overprinted ink , making it possible to superimpose one colour over another to create proper colour balance .

由于叠印效果主要是用来衡量印刷品的色彩再现效果，因此，本文探讨了采用色差法测量油墨叠印效果的方法，提出了能准确评价叠印效果的测量方法的建议。

Because trapping effect is primarily used to scale the color rendering of printing products , this article discussed the method of chromatic which used into measuring tapping effect , and give some advice on how to estimate the trapping effect correctly .