动机
发表于 2025-3-26 23:31:09
Günter Burkartmical bonds are formed between the solid molecule and the gas molecule on the solid surface, i.e. there exists electron exchange between gas molecules and solid surface molecules. The main difference between chemical adsorption and physical adsorption is that the chemical adsorption is irreversible,
Cholagogue
发表于 2025-3-27 04:15:39
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要塞
发表于 2025-3-27 06:04:49
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向下五度才偏
发表于 2025-3-27 10:02:57
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Self-Help-Group
发表于 2025-3-27 16:37:39
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MELON
发表于 2025-3-27 19:07:32
Johanna Wyn,Helen CahillDiscusses the scientific debates on the boundaries between childhood, youth and adulthood.Recognizes the changing social context of the lives of children and young people.Takes a themed approach in di