نتایج جستجو برای: schiffs bases
تعداد نتایج: 67083 فیلتر نتایج به سال:
Optimizing the database queries is one of hard research problems. Exhaustive search techniques like dynamic programming is suitable for queries with a few relations, but by increasing the number of relations in query, much use of memory and processing is needed, and the use of these methods is not suitable, so we have to use random and evolutionary methods. The use of evolutionary methods, beca...
Background: Physical access to health services is determined by the geographic location of the patient. This study aims to distribute the bases and hospitals of Mashhad City, Iran, and the extent of coverage of the bases in traffic accidents. Materials and Methods: This research is a descriptive cross-sectional and applied study. The study population for high-accident points includes 21142 mis...
Schiff bases of fatty acid hydrazides made from Oil recovered from spent bleaching earth (ORSBE) and Acid oil (AO)were prepared. These newly synthesized Schiff bases were characterized on the basis of FT-IR, elemental analysis and evaluated for biological performance. Schiff bases exhibited mild antibacterial activities against certain micro-organisms if compared with streptomycin used as stand...
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