For a system, Hamiltonian is invariant under any translation of spatial coordinates.对于一体系, 哈密算符在任何空间坐标变换下是不变的.The results of this part are obtained by model hamiltonian.这一部分的推导采用的是模型哈密顿量.Aim The Hamiltonian is transforme...
For a system, Hamiltonian is invariant under any translation of spatial coordinates.对于一体系, 哈密算符在任何空间坐标变换下是不变的.Aim The Hamiltonian is transformed from Pauli matrices to Hubbard operators.目的把用Pauli矩阵表示的哈密顿量转化成用Hubbard算符表示....
The MIC of berberiae was obviously lower than that of acidum salicylicum.同时发现该药的MIC明显低于水杨酸.Conclusion Tyrosinase activity acidum vitamin A.结论维甲酸可使酪氨酸酶活性增加.However the levels of acidum folicum and vitamin B 12 in the bloo...
For speed we used packets of pizza dough mix...为了节约时间，我们用了几包做比萨饼的混合面粉。John advised Peter to get out and mix more with people.约翰劝彼得出去参加社交活动, 多跟人们往来。You can mix blue and yellow paint to make green one.你可以把蓝色和黄色油漆混合成绿色。Mix ...
Avoid trips to the country while the pollen count is high.花粉计数高时，尽量避免去乡村旅行。At first we chatted agree-ably about his trips to London and Paris.一开始，我们愉快地聊起他的伦敦和巴黎之行。School trips give children firsthand experience not avail...