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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Direct sampling method to inverse wave-number-dependent source problems: determination of the support of a stationary source
反波数 相关源问题 直接采样 固定源
2023/11/29
This talk is concerned with a direct sampling method for imaging the support of a frequency-dependent source term embedded in a homogeneous and isotropic medium. The source term is given by the Fourie...
Since the term “soft robotics” was adopted in 2008, engineers in the field have been building diverse representations of flexible machines useful in exploration, locomotion, rehabilitation, and even s...
MIT engineers have developed ultralight fabric solar cells that can quickly and easily turn any surface into a power source.
Mass Weddings: national institute of standands and technology’s New Efficient 2-Photon Source
photons physics
2007/4/17
April 12, 2007，For a variety of applications in physics and technology, ranging from quantum information theory to telecommunications, it’s handy to have access to pairs of photons created simultaneou...
Edison Electric Institute Statement in Response to Supreme Court New Source Review Decision
Environmental Defense
2007/4/11
Washington, DC (April 02, 2007) - The Edison Electric Institute today issued the following statement in response to the Supreme Court's decision in Environmental Defense v. Duke.
03 April 2007,Researchers from The University of Queensland will have a key role in a strategy that could more than double the water recycling capacity of Australia's capital cities.
April 5, 2007，In a breakthrough that could free nanomachines from the bulk of batteries, researchers have developed a novel nanogenerator--an array of tiny filaments that converts the smallest motions...
07 March 2007，At this year’s Eawag Info Day – to be held at the Federal Institute of Technology (ETH), Zurich, on Wednesday, 7 March – the results of the Cross-Cutting Project " Novaquatis" will be pr...
20 March 2007，Visitor arrivals from the People's Republic of China increased by 6,500 (76 percent) in February 2007, compared with February 2006, Statistics New Zealand said today. Some of the increas...
March 15, 2007，Tiny earthquakes called non-volcanic tremors recently discovered in fault zones from California to Japan are generated by slow-moving earthquakes that may foreshadow catastrophic events...
February 27, 2007，AIKEN, SC – U.S. Deputy Secretary of Energy Clay Sell today toured the new Tritium Extraction Facility (TEF) at the Savannah River Site (SRS) and spoke at a celebration to mark the r...
Chemical engineer: Geothermal is undervalued U.S. energy source
geothermal energy electricity
2007/2/27
February 13, 2007，Icelanders, who get most of their heating, hot water and a good portion of their electricity from geothermal sources, are well aware that Reykjavik, which means "Smoky Bay," is named...
X-Ray source which can simultaneously detect spectral and spatial variations could have huge benefits for medical research
X-Ray beam Optoelectronics
2007/2/12
05 February 2007，A pioneering technique which for the first time allows simultaneous detection of both the spectral and spatial variation of an X-ray beam has been developed by researchers at the Univ...
6 February 2007，Light from Diamond is emitted by electrons as they are steered around a ring with a circumference of 560 metres by powerful electromagnets. The lab's beams are 100,000 times brighter t...
Mixed Prairie Grasses Better Source of Biofuel Than Corn Ethanol and Soybean Biodiesel（图）
prairie plant species Biofuels ecological
2006/12/15
December 7, 2006，Diverse mixtures of native prairie plant species have emerged as a leader in the quest to identify the best source of biomass for producing sustainable, bio-based fuel to replace petr...