...作为运动器官向体外构成突出物的附属肢可以大致区分为:(1)沿正中线,不成对的正中肢(median appendage)或奇肢(unpaired a-ppendage)和(2)在两体侧成对的偶肢。
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Because these things are unpaired, we have already seen how unpaired electrons play a role in the Stern-Gerlach experiment.
因为这些事物都是未成对的,我们已经发现在 Stern-Gerlach 实验中,未成对电子扮演怎样一个角色了。
Light hitting the proteins produces a pair of free radicals, highly reactive molecules with unpaired electrons.
光击中这种蛋白质产生一对游离的活性基,这是一种非常活跃的有着不成对的电子的分子。
S — we don't have to hybridize it, it already has only one unpaired electron in a 1 s orbital.
s -我们不用杂化它,它已经有而且仅有一个未配对电子在s轨道里。
Because these things are unpaired, we have already seen how unpaired electrons play a role in the Stern-Gerlach experiment.
因为它们都是未成对的,我们已经发现,在Stern-Gerlach实验中,未成对电子扮演怎样一个角色了。
s -- we don't have to hybridize it, it already has only one unpaired electron in a 1 s orbital.
s-我们不用杂化它,它已经有而且仅有一个未配对电子在s轨道里。
H2 So the simplest case we can think of is with h 2 where we have two unpaired electrons, each in a 1 s orbital of a separate h atom.
最容易想到的例子是2,我们有两个未配对电子,每个都在一个分开的1s轨道上。
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