The key scientific and technological development project of the 2004 Provincial Science and Technology Development Plan undertaken by Changchun Xingda Electronic Information Technology Co., Ltd. passed the appraisal of the “Research on the Drug Identifica…
Food packaging is a product that is barely noticeable — but they are increasingly made from truly efficient substances. For example, plastic packaging is further developed into a "smart" cling film, which not only protects against dirt but also…
In order to attract consumers' attention and stimulate consumers' desire to buy, the packaging of goods nowadays is becoming brighter and brighter. When customers purchase goods, their eyes stay on each product for less than 1.8 seconds. There is no mor…
…
5 experimental results analysis
5.1 Factors Affecting Emulsification Rate
5.1.1 Ink and fountain solution are different
The result of experiment 1 shows that different inks and different pH values ​​of t…
Waterless offset printing plates are available in both positive and negative formats. Currently, the positive type waterless offset printing plate is used more often.
Taking a positive-type waterless offset printing plate as an example, it is composed o…