With MCNP/4B code, the influence of cut-off energy, flux tallies, nuclear databases and perturbation on the reaction rates calculation with neutron-activation method are analysed.

用MCNP／4B程序，对核活化法反应计算中的截断能量、通量计数方式、数据库、阈探测器之间的扰动等因素的影响作了分析。

youdao

The EU must also continue to object forcefully to the gas cut-off, making clear that it undermines Russia’s credibility as a reliable energy supplier.

欧盟也必须继续强力反对切断供气的行为，阐明这样会逐渐削弱俄罗斯作为一家可靠的能源供应国的信誉。

youdao

As it has shown repeatedly, the Kremlin is perfectly prepared to use energy prices, and the threat to cut off supplies, as a means of putting political pressure on other countries.

正如它已一再表明的，克里姆林宫已经做好充分准备，利用能源价格以及威胁切断能源供应来作为对其他国家施加压力的一种方式。

youdao

So z equals 7 -- this is the cut-off where, in fact, the sigma orbital is going to be higher in energy than the pi 2 p orbitals.

所以z等于7-这是分界点，实际上，sigma轨道能量,要比π2p轨道高。

麻省理工公开课 - 化学原理课程节选

z And what you need to remember is if the z 8 is equal to eight or greater, such as oxygen being the cut-off point, this sigma 2 p orbital is actually lower in energy than the pi 2 p orbitals, the molecular orbitals.

你们要记住如果,等于或者大于，就像O是分界点，这时sigma2p轨道,比π2p轨道能量更低。

麻省理工公开课 - 化学原理课程节选

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