See atomic absorption spectroscopy参阅45页atomicabsorption spectroscopy。...[继续阅读]

    Symbol: T Atemperature defined by the relationship:T =θ +273.15where θ is the Celsius temperature. The ab-solute scale of temperature was a fundamentalscale based on Charles law applied to anideal gas:V=V0(1+αθ)where V is the volume at temperature θ,V0the...[继续阅读]

    The zero value of thermody-namic temperature; 0 Kelvin or -273.15degrees Celsius.热力学温度中的0度;0°K或-273.15℃。...[继续阅读]

    A process in which a gas istaken up by a liquid or solid,or in which aliquid is taken up by a solid. In absorption,the substance absorbed goes into the bulk ofthe absorbing material. Solids that absorbgases or liquids often have a porous struc-ture . The ...[继续阅读]

    An indicator used for titrations that involve aprecipitation reaction. The method dependsupon the fact that at the equivalence pointthere is a change in the nature of the ions ab-sorbed by the precipitate particles. Fluores-cein-a fluorescent compound -is...[继续阅读]

    See spectrum参阅552页spectrum。...[继续阅读]

    1. The relative amount of agiven element among others; for example,theabundance of oxygen in the Earths crust isapproximately 50% by mass2. The amount of a nuclide (stable or ra-dioactive) relative to other nuclides of thesame element in a given sample. T...[继续阅读]

    Abbreviation for the bidentate acety-lacetonato ligand,derived from acetylacetone(CH3COCH2COCH3).二(双)齿乙酰丙酮基配体的缩写,由乙酰丙酮(CH3COCH2COCH3)衍生而来。Acac:the bidentate acetylacetonato ligand formed from a diketoneAcac: 由二酮形成的二齿乙酰丙酮基配体...[继续阅读]

    A CATALYST added to in-crease the rate at which a chemical reactionoccurs增加化学反应速率的一种催化剂。...[继续阅读]

    The atom or group to whicha pairof electrons is donated in a coordinate bond .Pi-acceptors are compounds or groups thataccept electrons into pi,p or d orbitals在配位键中接受一对电子的原子或基团。π受体是用π轨道、p轨道或d轨道接受电子的化合物或基团。...[继续阅读]