...τ τ φ φ φ φ d d U N U U B A B A r r r r r r 2 ∗ ∗ ∫∫ = − (1.57) 上式中的积分称作 交换积分 ( exchange integral )，因为积分式中兩个单粒子态作 了交换。
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antiferromagnetic exchange integral [物] 反铁磁交换积分
exchange-integral constant 交换积分常数
exchange integral constant 交换积分常数
exchange integral function 交换积分函数
effective exchange integral 有效交换积分
exchange integral coefficient 交换积分系数
tiferromagnetic exchange integral 反铁磁交换积分
two center exchange integral 双中心交换积分
coulomb integral and exchange integral 库仑积分与交换积分
The resonance integral is often called an exchange integral.
共振积分常常叫做交换积分。
The results show that the effective exchange integral values are less than zero under different conformations, so the radicals display the anti-ferromagnetic coupling.
结果表明，不同构象下各体系有效交换积分值都小于零，自由基间表现为反铁磁性耦合。
In order to redeem cash, credit card free upgrade, integral maturity exchange of goods and other reasons to induce people to log in to the URL of the sms.
以“积分兑换现金”、“信用卡免费升级”、“积分到期兑换商品”等理由，诱导市民登录短信中的网址进行办理。
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