نتایج جستجو برای: ammonium uranyl carbonate
تعداد نتایج: 51589 فیلتر نتایج به سال:
Ehsan Noroozizadeh was born in Dezful/Khoozestan, Iran. He received his B.S. in Pure Chemistry (2011) and M.S. in Organic Chemistry (2013) from Bu-Ali Sina University, Iran. He is currently working towards his Ph.D. under the supervision of Professor Mohammad Ali Zolfigol. His research interest is catalysis, including the application of homogeneous and heterogeneous catalysis in organic synthesis.
In situ microbial reduction of soluble U(VI) to sparingly soluble U(IV) was evaluated at the site of the former S-3 Ponds in Area 3 of the U.S. Department of Energy Natural and Accelerated Bioremediation Research Field Research Center, Oak Ridge, TN. After establishing conditions favorable for bioremediation (Wu, et al. Environ. Sci. Technol. 2006, 40, 3988-3995), intermittent additions of etha...
This work presents details of the synthesis, properties and structure a novel neptunium carbonate (NH4)[NpO2CO3], member M[AnO2CO3] (M = K, (NH4), Rb, Cs) class compounds. Carbonates play an important role in migration actinides environment, thus are relevant for handling disposal radioactive wastes, including spent nuclear fuel vitrified raffinates. Knowledge crystallographic these compounds i...
Ehsan Noroozizadeh was born in Dezful/Khoozestan, Iran. He received his B.S. in Pure Chemistry (2011) and M.S. in Organic Chemistry (2013) from Bu-Ali Sina University, Iran. He is currently working towards his Ph.D. under the supervision of Professor Mohammad Ali Zolfigol. His research interest is catalysis, including the application of homogeneous and heterogeneous catalysis in organic synthesis.
Novel rod-shaped calcite crystals are formed by precipitation from cetyltrimethylammonium bromide (CTAB)/1-pentanol/cyclohexane microemulsions containing calcium chloride and ammonium carbonate. The calcium carbonate initially precipitates as hexagon-shaped vaterite crystals. The vaterite crystals transform to unusual rod-shaped calcite crystals over several days. The rod-shaped calcite crystal...
For initial 3D analysis, negative-stain images of partially purified phage contrasted with 1% ammonium molybdate were taken on a Zeiss 901 operating at 80 kV and magnification of 30,000x. Micrographs were digitized at a rate of 14 μm, corresponding to 4.7 Å at the sample. Selected images were analyzed by self-common lines to generate a coarse model from a single particle that was used to begin ...
ehsan noroozizadeh was born in dezful/khoozestan, iran. he received his b.s. in pure chemistry (2011) and m.s. in organic chemistry (2013) from bu-ali sina university, iran. he is currently working towards his ph.d. under the supervision of professor mohammad ali zolfigol. his research interest is catalysis, including the application of homogeneous and heterogeneous catalysis in organic synthesis.
New chiral catalyst systems were developed for the reaction of carbon dioxide with propylene oxide (PO) at atmospheric pressure to generate enantiomerically enriched propylene carbonate (PC). The best selectivity was achieved with a Co(III)(salen)-trifluoroacetyl complex and bis(triphenylphosphoranylidene)ammonium fluoride (PPN+F-) as catalysts, affording PC in 40% yield and 83% ee (selectivity...
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