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波数cm-1的读法
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2017-12-16 12:39
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波数单位cm-1, 英文读作:reciprocal centimeter 或者inverse centimeter, 附上一段英文文字做参考: Reciprocal length or inverse length is a measurement used in several branches of science and mathematics. As the reciprocal of length, common units used for this measurement include the reciprocal metre ...
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22042 次阅读|没有评论
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电负性electronegativity
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2017-12-15 13:39
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https://www.chemguide.co.uk/atoms/bonding/electroneg.html This page explains what electronegativity is, and how and why it varies around the Periodic Table. It looks at the way that electronegativity differences affect bond type and explains what is meant by polar bonds and polar molecu ...
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2173 次阅读|没有评论
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VESTA的几个使用技巧
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2017-12-13 11:21
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VESTA Visualization for Electronic and STructural Analysis (1) 显示原子 label: Objects---C, color; L, label; S, surround; V, visualization. 在相应原子的“V”小框里打√就可以显示原子label。 (2) 显示bond: Edit---Bonds---New--- ...
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31765 次阅读|没有评论
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晶体场理论Crystal field theory
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2017-11-17 16:08
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以下摘自 Crystal field theory ——Wikipedia( https://en.wikipedia.org/wiki/Crystal_field_theory) 晶体场理论 ( 英语: Crystal field theory , 首字母缩略字 :CFT)是 配位化学 理论的一种,1929-1935年由 汉斯·贝特 和 约翰·凡扶累克 提出。它以 过渡金属 配合物 的电子层结构为出发点,可以很好地 ...
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16796 次阅读|没有评论
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人眼视觉敏感度与相关物理量
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2017-10-19 17:43
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Spectral sensitivity of the human eye and related quantities The sensitivity of the human eye to light of a certain intensity varies strongly over the wavelength range between 380 and 800 nm. Under daylight conditions, the average normal sighted human eye is most sensitive at a wavelength ...
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4112 次阅读|没有评论
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荧光与磷光 fluorescence & phosphorescence
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2017-10-19 16:24
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(from Wikipedia) Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation . It is a form of luminescence . In most cases, the emitted light has a longer wavelength , and therefore lower energy, than the absorbed radiation. The most s ...
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3376 次阅读|没有评论
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