On June 10, 2025, the Ministry of Ecology and Environment (MEE) of the People's Republic of China officially announced the "Regulations on the Import of Recycled Black Mass Raw Materials for ...

Most of the country's recycled batteries are exported now to China in the form of black mass, essentially shredded battery ...

你是否好奇，铁轨为什么存在很多缝隙，而不是完整的一根？夏天走在沥青路上为什么会有软绵绵的感觉？压瘪的乒乓球为什么在热水中浸泡就可以恢复原样？其实，这些现象都与“热胀冷缩”原理有关，当温度升高时，分子的热运动加剧，分子间的平均距离增大，导致物体膨胀；反 ...