نتایج جستجو برای: promethium compounds
تعداد نتایج: 226666 فیلتر نتایج به سال:
Results of research absorbed dose rate dependence on distance and positioning accuracy standard dosimetric beta-radiation sources at the new AT200 calibration facility (by ATOMTEX SPE) are presented. The non-uniform profile fields created by with strontium-90 + yttrium-90, krypton-85 promethium-147 radionuclides under conditions as specified in ISO/DIS 6980-2:2021(E) international was investiga...
1- in a search directed to the reaction of compound)23(the cycloaddition reaction of 1,3- diphenylisobenzofurane)14(with p-benzoquinone)19(,followed by addition of cyclopentadiene was carried out.the specific spacial stracture of its ir,nmr,mass spectra. 2- in another attempt the kinetic stability and behavior of compounds)20(and)23(was studied.the main subject of this study was the highly reve...
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