Phenylalkanes with carbon numbers between 16 and 19,characterized by the main carbon-18,have been identified in the mod-em sediments collected from gas hydrate
The spallation of the concrete slabs or walls resulting from contact detonation constitutes risk to the personnel and equipment inside the structures because of
Steiner connected dominating set (SCDS) is a generalization of the famous connected dominating set problem,where only a specified set of required vertices has t
The electronic structures of QHS and DQHS were completely optimized and calculated by B3LYP density functional theory at the 6-31g* level.The relationship betwe
Safranine, a cationic dye, was removed from synthetic wastewater by ion flotation.Over 98% of safranine was removed from the solution in 10 min. A stoichiometri
The crystal of Sr6YbSc(BO3)6 has been grown by the top-seeded solution growth (TSSG) method from a Li6B4O9 flux.The spectroscopic characterizations of the cryst
The title compound [Cu(dafone)2(DMF)2](2ClO4 1 (dafone = 4,5-diazafluoren- 9-one, dmf = N,N(A)-dimethyl formamide) was synthesized by the reaction of Cu(ClO4 )2
The nucleophilic addition of Ti(Ⅳ) enolate derived from methyl aryl ketones to α, β-unsaturated compounds was found to be highly selective to give 1, 2 addit