نتایج جستجو برای: absorption spectrum

تعداد نتایج: 345009  

Journal: :Journal of Biological Chemistry 1939

Journal: :Bulletin of the Chemical Society of Japan 1972

Journal: :Journal of Research of the National Bureau of Standards 1956

Journal: :Journal of the Japan Society of Colour Material 1959

حامد جلیلی, , حسین فخرائیان, , حمید سروعلیشاه, , عبدالحسین رضوانی, ,

Effect of Al3+ ions on the optical quality, growth rate, shape, and structure of potassium dihydrogen phosphate (KDP) crystal was investigated. Growth method was based on the “point seed” method in a solution with optimum concentration, following spontaneous growth at room temperature. FTIR spectrum showed neutralization of O-H group in KDP crystal by Al3+ ions. UV-Visible spectrum of the cryst...

Journal: :journal of agricultural science and technology 2011
m. r. mobasheri m. rahimzadegan

the reflectance spectrum of green leaves is considerably affected by their biochemical and biophysical properties. it is possible to extract biochemical information from a continuous vegetation spectrum produced using hyperspectral sensors. the numerous absorption features present in the vegetation spectrum carry a considerable amount of information related to the content and the structure of t...

A. Radhakrishnan B. Beena P. Rejani,

ZnO nanorod was prepared by microwave assisted method. The crystal structure of the nano powders were confirmed by X-Ray diffraction analysis and the mean particle size was estimated by the Scherrer,s formula .The surface morphology of the nano particles were analyzed by   using SEM . The absorption spectrum of the material in the UV-Vis range was recorded .The energy band gap of the...

A. Radhakrishnan B. Beena P. Rejani,

ZnO nanorod was prepared by microwave assisted method. The crystal structure of the nano powders were confirmed by X-Ray diffraction analysis and the mean particle size was estimated by the Scherrer,s formula .The surface morphology of the nano particles were analyzed by   using SEM . The absorption spectrum of the material in the UV-Vis range was recorded .The energy band gap of the...

Journal: :journal of sciences islamic republic of iran 0

we propose a scheme for localizing an atom in a four-level configuration inside a classical standing wave field, conditioned upon the measurement of frequency of a weak probe field. in the classical standing wave field, the interaction between the atom and the field is position dependent due to the rabi-frequency of the driving field. hence, as the absorption frequency of the probe field is mea...

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