Multimedia blackboard (Invention Patent No. 8 Publication Number: CN1570959A) In order to inherit the advantages of traditional chalk blackboard teaching, and at the same time overcome the shortcomings of projection screen and chalk blackboard. The invention provides a multimedia blackboard,
Read moreInformation topic: Sony projector SONY VPL-PX41 Price description: RMB 24000 No. 500 platinum colorimetric stock solution Standard material of potassium dichromate solution Shanghai Sports Boxing Training Products Artificial intelligence and robots RM-EC806 soil quality control sample--standar
Read moreWith the rapid development of the information age, conference offices, modern demonstration teaching, academic exchanges, etc. are increasingly becoming multimedia, networked, automated, and internationalized. The integration of multiple systems makes conferences more and more convenient and effic
Read moreCourse Name: Comprehensive Experiment of Communication Network Engineering Hours: 36 Credits: 1.5 Applicable Major: Communication Engineering Prerequisites: Communication Principles, Modern Communication System Course nature: compulsory 1. The status and tasks of the course This course is an
Read moreIn order to attract consumers 'attention and stimulate consumers' desire to buy, the packaging of commodities nowadays is getting brighter and dazzling. When customers buy products, their eyes stay on each product for more than 1.8 seconds, and a medium-sized supermarket has no less than 3
Read moreToning and dyeing can change the appearance of the paper, leaving a deep impression on people's vision, which directly affects the sales of products and customer orders. Using continuous color matching technology, no matter what color paper and cardboard customers need, you will do it in a sho
Read moreWe generally refer to the icc characteristic file as the device characteristic file, because usually the icc file describes the color range that a specific device (scanner, monitor, printer, etc.) can express and the relationship between this color range and the Lab color mode. A kind of file. But
Read moreIn the process of packaging printing, there are sometimes streaks or different shades of color on the printed matter. This failure of inking and ink off rollers is caused by the gelation of the ink due to the swelling of the pigments and fillers in the ink. The gelation of the ink is due to its hi
Read moreAt present, domestic plastic gravure inks are mainly solvent-based inks, and alcohol-soluble plastic gravure inks with low solvent residues are gradually being promoted. The ink is just beginning to be put into use. Plastic film gravure water-based ink is an environmentally friendly liquid ink mad
Read morePowder spraying is an indispensable process in the modern high-speed multi-color Offset Printing process. The main function of powder spraying is to prevent the back of the printed matter from being dirty and improve the printing quality and efficiency. The powder spraying is made of pure natural
Read moreMarket demand: the main share is reduced In fact, small offset printing in China relies on two major demand markets to gain a foothold: short-run rapid text printing and commercial printing. But these two foundations are constantly being eaten up by the changing market. In the field of short-for
Read moreThe most frequently asked question from the printing industry sales staff, technical service representatives and sheetfed printing staff is the drying of ink on coated and uncoated paper. To find the answers to these questions, you must understand the ink and the drying process of the ink when pri
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