The ten-thousand-ton free forging hydraulic press is the typical heavy forging equipment to produce large high-quality forgings.In 2008,the operating system reconstruction of the 30,000t hydraulic pre
In this paper we examine three events that helped connect China with the emergence of global earth science in the recent past: the International Geophysical Year (IGY) of 1957-1958,Chinese participati
In the special context of the Cold War,Khrushchev planning a preemptive launch of Sputnik in order to achieve the purpose of political raid on the U.S.,at the same time,the Soviet “satellite” events i
Penicillin is one of the greatest medical discoveries in the 20th century.In 1929,Alexander Fleming,who was a bacteriologist working in London,accidentally discovered from a contaminated Petri dish th
Naval technology and ocean power,as the product of using technical means to achieve social goals,is a typical topic to be studied by Science,Technology and Society (STS).The relationship between naval
Shocked by the defeat of the Sino-Japanese War,the Chinese realized the necessity to acquire the modern western civilization and concluded that learning from Japan is the best shortcut,which spurred a
科技创新平台是科学技术研究的重要载体和组成部分,也是实现技术转移的重要途径。与发达国家和地区科技创新平台相比,后发展地区科技创新平台在技术转移过程中的作用更应得到重视。本文通过对以广西为例的后发展地区科技创新平台建设进行实证分析,试探讨后发展地区科技创新平台如何在技术转移过程中进行功能定位。通过科技创新平台的建设,实现技术从发达地区向后发展地区的转移,对后发展地区突破科技发展瓶颈有着非常重要的现实
青年德罗伊森身处现代学科逐渐成型的关键时期,在此期间,学科之争频繁上演.首先,语文学与历史学的界限模糊不清,语文学内部的"内容语文学"越来越倾向于历史学,以致于尼布尔这样的学者还具有语文学家和历史学家双重身份.其次,黑格尔对语文学和历史学展开了批判,强调语文学和历史学除了"文本批判"之外,更需要重视文本的教化功能.再次,青年德罗伊森在批判地继承语文学理论和黑格尔哲学的基础上,准备向旧的历史学理论发