最薄屏幕:用肥皂泡打造

据媒体报道,最近,东京大学的研究人员研制出了一种尚具争议的世界最薄屏幕,仅用一个肥皂泡制成。研究人员们将肥皂泡的薄膜放置于扬声器播放的超声波环境中。声波破坏了气泡的表面张力,为气泡创造出一种不透明的结构,此时就能反射足够的光线来为观看者播放一张生动的图片。     

超越——来自“走转改”一线的报告

2009年6月26日下午3点,胡锦涛总书记考察大庆油田。在勘探开发研究院采收率实验室,总书记看得很专注。临别时,他动情地说:你们提出的‘超越权威、超越前人、超越自我’,很有气魄。大庆油田以往的辉煌,离不开自主     

AN APPLICABILITY OF THE LIVELIHOODS APPROACH IN THE ASSESSMENT OF POVERTY IN URBAN CHINA

The paper aims to examine an applicability of the livelihoods approach to poverty studies in urban China. Basically, the approach identifies the poor as active agents tackling the problem with the type and level of capabilities, assets, activities on which they draw for their livelihoods. It highlights the multifaceted reality of their struggles against poverty. This paper argues that the livelihoods approach, which takes a people-centred approach to reduce poverty, can be a new platform for the assessment of poverty in urban China.