See atomic absorption spectroscopy參閱45頁atomicabsorption spectroscopy。...[繼續(xù)閱讀]
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See atomic absorption spectroscopy參閱45頁atomicabsorption spectroscopy。...[繼續(xù)閱讀]
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...[繼續(xù)閱讀]
The zero value of thermody-namic temperature; 0 Kelvin or -273.15degrees Celsius.熱力學(xué)溫度中的0度;0°K或-273.15℃。...[繼續(xù)閱讀]
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 ...[繼續(xù)閱讀]
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...[繼續(xù)閱讀]
See spectrum參閱552頁spectrum。...[繼續(xù)閱讀]
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...[繼續(xù)閱讀]
Abbreviation for the bidentate acety-lacetonato ligand,derived from acetylacetone(CH3COCH2COCH3).二(雙)齒乙酰丙酮基配體的縮寫,由乙酰丙酮(CH3COCH2COCH3)衍生而來。Acac:the bidentate acetylacetonato ligand formed from a diketoneAcac: 由二酮形成的二齒乙酰丙酮基配體...[繼續(xù)閱讀]
A CATALYST added to in-crease the rate at which a chemical reactionoccurs增加化學(xué)反應(yīng)速率的一種催化劑。...[繼續(xù)閱讀]
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在配位鍵中接受一對電子的原子或基團。π受體是用π軌道、p軌道或d軌道接受電子的化合物或基團。...[繼續(xù)閱讀]