10-09-24 Computers, light bulbs, and even people generate heatenergy that ends up being wasted. With a thermoelectric device, which converts heat to electricity and vice versa(反之亦然) , you can harness that otherwise wasted energy. Thermoelectric devices...
10-09-24 The Office of Naval Research Global (ONR Global) continues to pursue aggressive energy goals established by Secretary of the Navy Ray Mabus, with the design of a system that controls electrical flow for lighting, a highly efficient platform that may...
10-08-27 Much of the world's electronic waste is being shipped to China for recycling and the cottage industry(家庭手工业) that has sprung up there to recover usable materials from computers, cell phones, televisions and other goods may be creating signifi...
10-07-20 尾气净化器 exhaust purifier 无铅汽油 lead-free gasoline 天然气汽车 gas-fueled vehicles 电动汽车 cell-driven vehicles; battery cars 小排量汽车 small-displacement (engine) vehicles 温室效应 greenhouse effect 污水治理 sewage treatment 可回收的旧报纸 sc...
10-05-28 Pre-humans living in East Africa 4.4 million years ago inhabited savannas(热带稀树草原) -- grassy plains dotted with(点缀,散布) trees and shrubs(灌木) -- according to a team of researchers that includes earth science Naomi Levin of The Johns...
10-04-24 Artists, conservationists, business leaders and film and music stars from around the globe are marking the 40th Anniversary of Earth Day with a Green Auction to benefit the environment. 在世界地球日40周年来临之际,来自世界各地的艺术家、环保主义者、...
10-01-07 The United States needs to fundamentally rethink its policy of promoting ethanol乙醇,酒精 to diversify使多样化 its energy sources and increase energy security, according to a new policy paper by Rice University's Baker Institute for Public Policy....
09-12-16 Environment ministers are holding talks at the UN climate conference in Copenhagen amid threats of large-scale protests by environmental groups. 哥本哈根举行的联合国环境会议上,各国环境部长主持讨论了由环境保护组织提出的大规模环境威胁。 Activists hav...
09-11-13 In an advance that could help ease health and environmental concerns about the emerging nanotechnology industry, scientists are reporting development of technology for changing the behavior of nanoparticles in municipal sewage(城市污水) treatment...
09-08-18 Common herbs and spices show promise as an environmentally-friendly alternative to conventional pesticides, scientists have told a major US conference. 科学家告诉美国一家主要媒体,常见的草本植物和香味料可以作为传统杀虫剂的环境友好型的替代品。 Common...