友情鏈接
- Copyright ? Science and Technology Daily, All Rights Reserved
- 科技日報社 中國科技網 版權所有
- 京ICP備06005116號
- 違法和不良信息舉報電話：010-58884152
- 京公網安備 110402500060
Citrus is a genus of flowering trees or?shrubs in the Rutaceae family.?Oranges,?lemons,?grapefruit, pomelos, and limes are all popular citrus fruits around the world for their rich nutritional content and aromatic fragrance.
China has a rich history of over 5,000 years of artistic advancement and is the birthplace of one of the world's oldest civilizations. An important part of this advancement is that by 1100 BC, the Chinese had achieved a high level of artistic and technical excellence in bronze casting.
Tea is one of the most popular non-alcoholic beverages in the world. China is where tea originated, and the Chinese were the first people in the world to develop the habit of drinking tea.
Soybean, called "Shu" in ancient times, is one of the five traditional cereals in China,? not only as a major edible oil crop but also an important source of plant protein. China is recognized as the origin of soybean domestication by domestic and foreign academics.
China is the first country in the world to raise silkworms and make silks. Before cotton was introduced to the Yangtze and Yellow River basins, silk was one of the main raw materials for clothing and quilts in ancient China, and silk weaving was an important material for economic exchanges in agricultural and pastoral areas.
Chinese embroidery, one of the oldest extant needlework forms, has enjoyed an important position in the history of Chinese craftsmanship.
Lacquer painting is a technique of decorating the surface of an object with raw or refined lacquer, supplemented by gold, silver, jade, inlays, color and other materials through a series of processes. The shiny lacquer coating is most often made from resin extracted from trees and waxes.
Chinese rice wine occupies a significant place among the world's three major brewing wines—rice wine, grape wine and beer. Ancient Chinese brewing technology was unique and has become the representative model of the Oriental brewing world.
As one of the most important grain crops, rice supports more than 50 percent of the global population. Being the birthplace of rice cultivation, China has always contributed its agricultural wisdom to further increase rice production and improve people's livelihood.
The Sangyuanwei Polder Embankment System, built during the Song Dynasty (960-1127) in the Pearl River Delta in Foshan, Guangdong province, is one of the largest polder embankment projects of ancient China, extending for 64.84 km and covering an area of 265.4?km2.
The Songgu Irrigation Scheme, located in the Oujiang River Basin in Songyang county, Zhejiang province, was included in the list of World Heritage Irrigation Structures.
The Chongyi Shangbao Terraces, located in the mountainous region of Chongyi county, east China's Jiangxi province, cover an area of about 3,400 hectares.
A world-class marvel is famous for its unique use of water and soil in low-lying areas through dikes, channels and sluices.
Tongjiyan Irrigation System (Tongjiyan), located at Lishui city, Zhejiang province and built in 505 AD, is one of the oldest large-scale water conservancy projects in China. The entire irrigation system, together with its inscriptions, is a precious source for studying ancient water conservancy projects.
As an outstanding symbol of ancient Chinese pottery technology, Tang Sancai appeared in the early Tang Dynasty (618–907). Tang Sancai is a multi-colored pottery, with yellow, green and white being the most predominant colors. The lead glaze of Tang Sancai was toxic, so it was not used in daily utensils, but mostly appeared in the tombs of the nobles in Tang Dynasty.
Hani Rice Terraces, the system of Hani rice-growing terraces, are mainly located in Honghe prefecture, Yunnan province, China, with a total area of over 160,000 acres and a history of more than 1,300 years.
The Terracotta Warriors, consisting of thousands of life-sized ceramic warriors and horses alongside bronze chariots and weapons excavated in 1973 in Xi'an, Shaanxi province.
Archaeological discoveries show that Chinese cast iron technology dates back to Western Zhou Dynasty (1045 -771 BC) when iron and steel objects were used in many areas, about two millennia before the earliest similar evidence from Europe. China's epoch-making contributions to the development of iron casting and iron smelting have been seen throughout history.
The earliest known bronze in China is an almost 5,000-year-old bronze knife unearthed at the Majiayao cultural site in Dongxiang, Gansu province, which contains 6-10 percent tin and is thought to have been made by smelting. By the Xia Dynasty (2070-1600 BC), China had already started to use pottery mold and piece-mold castings to cast bronze wares, which developed into the Shang and Zhou periods (1600-256 BC), culminating in a large bronze ritual civilization unique to China.
The famous karez system, a vertical tunnel irrigation system in desert areas, is known as one of the three great projects of ancient China, along with the Great Wall and the Beijing -Hangzhou Grand Canal. It is commonly found in Turpan Basin, Xinjiang Uygur Autonomous Region.
China's domestically developed tonne-class large unmanned transport aircraft recently completed its maiden flight in Shandong province, marking a significant advancement in the field of high-end unmanned aviation equipment.
It is necessary to promote the opening up and sharing of scientific research infrastructure, make good use of multilateral mechanisms, and establish and improve international open sharing platforms, Chen Jiachang, China’s vice minister of science and technology, said at the Open Science International Forum, part of the 2025 Zhongguancun Forum Annual Conference, on March 28.
