Silk, a natural fibre produced by a particular worm called a silkworm, has been used in clothing for many centuries.When silk was first discovered in China over 4,500 years ago, it was reserved exclusively for the use of the emperor, his close relations and the very highest of his ...
SILK industrySILK productionPUBLIC debtsECONOMIC historyINTERNAL revenueThere are a limited number of studies on the periodization analysis of the historical development of a single sector in Ottoman economic history literature. This study puts forward a periodic analysis of the sector...
摘要: The history of sericulture in Hungary during the last three decades of the 19th century is discussed in the light of contemporary sources; the rise of a number of silk firms is traced. Some of these are still in existence today but now produce synthetic filament yarns....
Development of the significance of silk products: 1, the expansion of tourism products through promotion of silk, so that more people understanding and knowledge of silk, especially tussah silk. 2, is the need to expand employment, will idle at home for many years workers in the textile or ...
international perspective, and make clear the objectives and direction of the industry's optimization and adjustment and sustainable development. In the short term, we need to solve the urgent needs of the industry through structural tax cuts and raw material price stabilization. In the long run, ...
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剑桥雅思5 Test 4阅读Passage 1原文翻译 The Impact of wilderness tourism 荒野旅游的影响 剑桥雅思5 Test 4阅读Passage 2原文翻译 Flawed Beauty: the problem with toughened glass 钢化玻璃的问题 剑桥雅思5 Test 4阅读Passage 3原文翻译 the effects of light on plant and animal species 光对动植物的影响 ...
The nineteenth century and industrialisation saw the downfall of the European silk industry. Cheaper Japanese silk, trade in which was greatly facilitated by the opening of the Suez Canal, was one of the many factors driving the trend. Then in the twentieth century, new manmade fibres, such as...
The Development of Plastics When rubber was first commercially produced in Europe during the nineteenth century, it rapidly became a very important commodity, particularly in the fields of transportation and electricity. However, during the twentieth century a number of new synthetic materials, called ...
of camphor dissolved in ethanol. This new material rapidly found uses in the manufacture of products such as knife handles, detachable collars and cuffs, spectacle frames and photographic film. Without celluloid, the film industry could never have got off the ground at the end of the 19th ...