Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Amorphous materials have attracted much attention in the last two decades. The
first reason for this is their potential industrial applications as suitable materials for
fabricating devices, and the second reason is the lack of understanding of many
properties of these materials, which are very different from those of crystalline
materials. Some of their properties are different even from one sample to another
of the same material. An ideal crystal is defined as an atomic arrangement that has
infinite translational symmetry in all the three dimensions, whereas such a definite
definition is not possible for an ideal amorphous solid (a-solid)....
Nội dung trích xuất từ tài liệu:
Advances in Amorphous Semiconductors
