为解决稀土永磁体（REPM）的可持续性问题，研究人员开展以 MnO2+Al+C 混合物为原料，机械活化自维持燃烧合成 Mn3AlC 磁性粉末的研究。结果表明 5h 机械活化可引发反应，确定 Al 和 C 最佳化学计量比。该研究为制备无稀土永磁粉末提供新方法。

MAY 9, 2025 — Editor’s note: The following message was sent via email from UTSA President Taylor Eighmy to all students. Congratulations on finishing the spring semester strong! I know how hard you’ve ...

MANILA, Philippines – Home improvement retailer Wilcon Depot Inc. expects to bounce back in the second semester after posting a weak first-quarter performance, citing stronger sales momentum.

Hunan Provincial Key Laboratory of Carbon Neutrality and Intelligent Energy, School of Resources and Environment, Hunan University of Technology and Business, Hunan 410205, China ...

The summer semester at the University of Oklahoma provides you with a unique opportunity to get ahead, stay on track or catch up while still enjoying some downtime. Taking just one class every summer ...

MJPRU Result 2025: Mahatma Jyotiba Phule Rohilkhand University (MJPRU), formerly Rohilkhand University, has recently released the odd semester results of various courses, including BSc ...

SCRANTON, Pa. — It's a stressful time of year for college students; the end of the semester signals lots of projects and finals. The University of Scranton in Lackawanna County invited its ...

Copeland announced the university’s Board of Trustees decided to close the school at the end of the current academic semester. The university will discontinue both online and in-person degree ...

Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand Center of Excellence on Petrochemical and Materials Technology, Seventh Floor, Chulalongkorn ...

A reminder that your personalised exam and assessment timetable for semester two is available to view on our Timetable Portal. Your timetable will not be emailed to you directly. If you have any ...

聚多巴胺（PDA）和二氧化锰（MnO2）修饰负载紫杉醇的碳量子点（CQDs）是一种创新的药物递送系统，结合了碳量子点的优良纳米特性与紫杉醇的抗癌作用。聚多巴胺（PDA）作为一种具有良好生物相容性和可调性质的材料，能有效修饰碳量子点的表面，提高其生物 ...