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Recently, Longi Green Energy Technology Co., Ltd. (hereinafter referred to as "Longi"), as the first unit, published a research paper titled "Silicon heterojunction back contact solar cells by laser patterning" online in the journal Nature, reporting for the first time the research results of breaking through 27% of the photoelectric conversion efficiency of crystalline silicon cells through full ...
On the morning of August 26th, the world's first large-scale 40000 watt groove laser cutting machine production ceremony was successfully held at Shandong Century Zhenghua Metal Technology Co., Ltd. located in Zhoucun District, adding another boost to the rapid development of Zhoucun's stainless steel industry chain.Source:博览新闻
On April 15th local time, Laser Photonics, a developer of laser cleaning equipment and solutions, announced its financial results for the fourth quarter and the year ended December 31, 2023. The financial report shows that in the fourth quarter of 2023, its revenue was $800000, with reduced operating and net losses. Here are the specific data:In addition to the financial report, the company's CEO ...
The most famous use of GPS satellites is to help people understand their location, whether it is driving cars, ships or planes, or hiking in remote areas. Another important but little-known use is to distribute information to other Earth observation satellites to help them accurately locate measurements of our planet.NASA and several other federal agencies, including the US Space Force, the US Spa...
Two dimensional transition metal chalcogenides have multi valley structures in their energy bands, giving them electron valley degrees of freedom, making them an ideal platform for studying multi body interactions. As the main mechanism of valley depolarization, the valley scattering process of free electrons or bound excitons is crucial for exploring excited state electron phonon interactions and...