Chế tạo vải bông tự sạch bằng ánh sáng Mặt Trời
Các nhà khoa học Trung Quốc mới đây cho biết họ đã cho ra đời một loại vải bông có thể tự làm sạch dưới tác dụng của ánh sáng Mặt Trời.
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