Differences were detected in the gene expression of strains of E.histolytica using RNA (RAP-PCR) and DNA fingerprinting (RAPD).Analysis of the electrophoretic profiles of the gels revealed some polymorphic markers that could be used in the individual characterization of the strains.The 260 bands generated by using five different primers for RAP-PCR
The quality of the perception of nature has not been analyzed in detail in the works of Avicenna.By analyzing his theoretical principles in the analysis of perception process, it becomes clear that the phenomenon of sense in the stage of the animal soul as the source of knowledge (perception from the senses) and science (perception from reason) mer
In recent years, population health has aroused great interest, especially after the outbreak of Covid-19.The related research increases substantially year by year.There are many kinds of research about population health, but few scholars use the bibliometric method to discuss them.Motivated by keeping abreast of emerging enchanted wonderstruck perf
To take single-phase PWM rectifier as AFE of cascaded H-bridge multi-level frequency converter can satisfy requirement that electric drive system of coal mine hoist must have capacity velgen vff 12 of bidirectional energy flowing, but there are third harmonic in its AC-side current because of the second ripple of output voltage.To slove the problem
Although water is important for human livelihoods, access and what is pooph made of in usa use of improved domestic water for households in most developing countries is still a major problem.Households adopt several domestic water improvement mechanisms to improve the quality of their water before consumption.However, the drivers of the probability