The inorganic elements in the tip, base and bony structure of horn of saiga tatarica L. and the commodity powders of Cornu Saigae Tataricae were determined by electron probe analysis.

采用电子探针法测定了羚羊角尖部、基部、骨塞及商品羚羊角粉中无机元素，探讨了其无机元素的含量差别与药性的关系。

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The damage of aquatic plant Spirogyra sp. and Pistia stratiotes L. from anion surfactant LAS and nonionic surfactant AE was studied with transmission electron microscopy.

利用透射电镜研究了阴离子型表面活性剂LAS和非离子型表面活性剂AE对水生植物水绵、水浮莲的损伤作用。

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This paper, using the optical microscope and scanning electron microscope, made an observation on the pollen shapes of 11 species of Atraphaxis L, plants in our state and 1 species of A.

本文对11种产于我国的木蓼属植物和1种哈萨克斯坦特有的穆氏木蓼花粉形态进行了光学显微镜和扫描电镜观察。

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So chlorine, if we talk about it in terms of electron affinity, we would be writing that we're actually gaining an electron here, and getting the ion, c l minus.

那么，氯，如果我们要讨论它的电子亲和能，我们会假设它真的得到了,一个电子而变成离子，负一价的氯。

麻省理工公开课 - 化学原理课程节选

And the first is l, and l is angular momentum quantum number, and it's called that because it dictates the angular momentum that our electron has in our atom.

第一个就是l，l是,角动量量子数，叫它这个名字,是因为它表明，原子中,电子的角动量是多少。

麻省理工公开课 - 化学原理课程节选

We know that the orbitals for multi-electron atoms depend both on n and on l.

我们知道对于多电子原子轨道,是依赖于n和l的。

麻省理工公开课 - 化学原理课程节选