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source:natureAbstractIncreasing complexity of modern laser systems, mostly originated from the nonlinear dynamics of radiation, makes control of their operation more and more challenging, calling for development of new approaches in laser engineering. Machine learning methods, providing proven tools for identification, control, and data analytics of various complex systems, have been recently applied to mode-locked fiber lasers with the special focus on three key areas: self-starting, system optimization and characterization. However, the development of the machine learning algorithms for a pa...
Release time: 2022 - 05 - 10
source:natureAbstractWith growing environmental awareness and considerable research investment in energy saving, the concept of energy harvesting has become a central topic in the field of materials science. The thermoelectric energy conversion, which is a classic physical phenomenon, has emerged as an indispensable thermal management technology. In addition to conventional experimental investigations of thermoelectric materials, seeking promising materials or structures using computer-based approaches such as machine learning has been considered to accelerate research in recent years. However...
Release time: 2022 - 05 - 09
source: News medicalGlioma is an intracranial malignant tumor that still poses a major clinical challenge due to its highly invasive nature, low cure rate, and high mortality rate. Although advanced molecular imaging techniques, such as magnetic resonance imaging (MRI) and computed tomography (CT) can be used for glioma diagnosis, their low spatial resolution, harmful ionization, and complicated workflow limit their application in real-time intraoperative imaging.In a new paper published in Light Science & Application, a team of scientists, led by Professor Hongjie Zhang and Professor Ying...
Release time: 2022 - 05 - 07
source:Sourcing & Trading Intelligence for Global Metals MarketsThere’s something afoot on the rare earths front in China. Specifically, the country recently decided that it wants to tighten its export control laws. The regulation passed about two years ago to stop importing countries from diverting “Chinese products for non-intended use.” In most cases, the “products” refer to rare earth elements, of which China is the world’s biggest producer.The announcement comes just a few days after news that an American company may have found the largest reserves of rare earth elements in the US. In...
Release time: 2022 - 05 - 06
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