"Cai Lun Papermaking" PPT courseware

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"Cai Lun Papermaking" PPT courseware

1. Writing materials before the invention of papermaking

Everything in the world, big or small, is determined by the one above. Go up to the level and measure the book with a weighing stone, and submit it day and night. If you fail to complete it, you will not be able to rest. ——"Historical Records"

2. In the early Western Han Dynasty, people got inspiration from "accumulating and floating flocculation into flakes" and invented paper.

3. Cai Lun improved papermaking technology

In 105 AD, Cai Lun improved papermaking. He used bark, hemp heads, rags and old fishing nets as raw materials for papermaking, which expanded the source of raw materials, reduced the cost of papermaking, and at the same time increased the output and quality of paper. From then on, paper gradually replaced bamboo slips and silk. In order to commemorate Cai Lun's achievements, people called this paper "Cai Hou Paper".

The order of spread of papermaking technology in China was paper and paper products first, followed by papermaking technology. Archaeological discoveries have confirmed that paper had spread to Korea as early as the Western Han Dynasty. Around the end of the fourth century AD, papermaking was introduced to Korea and Vietnam. By the 7th century, "Korean paper" produced in the Korean Peninsula was already favored by Chinese literati. In 610 AD, the Korean monk Tan Zheng dedicated his papermaking technology to Prince Shotoku, the regent of Japan. The Japanese called Tan Zheng the paper god. From the 9th to the 10th century AD, papermaking technology spread to the Western Regions via the Silk Road, and from there to India, where paper-based Buddhist scriptures began to appear.

Contribution: Papermaking is one of my country's four great inventions. It spread from my country to the world, promoted cultural exchanges and the popularization of education, and profoundly affected the development process of world civilization. It is a major contribution of the Chinese nation to world science and culture. contribute.

Keywords: Cai Lun Papermaking Teaching Courseware, Chinese Language A Edition First Grade Volume 2 Chinese Courseware, First Grade Chinese Slide Courseware Download, Cai Lun Papermaking PPT Courseware Download, .ppt format

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"Cai Lun Papermaking" PPT courseware 2:

"Cai Lun Papermaking" PPT Courseware 2 Before the invention of paper, people first carved words on tortoise shells and animal bones, which was very inconvenient. Later, people wrote the words on bamboo slices and wooden boards, and then compiled them into books. This kind of books was very heavy. Some people also write words on white silk. Although the book is light...

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Update Time: 2024-11-14

This template belongs to Chinese courseware Version A, first-grade Chinese volume 2 industry PPT template

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