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Background: This study designed to determine and compare the prevalence of HSV-2 infection between two groups of women with high and low risk behaviors in Tehran. Materials and Methods: 362 women attending OB & GY clinics as low risk group and 156 prisoner and DIC (drop in Center) resident women in Tehran as high risk group, were enrolled in this cross sectional study. HSV-2 antibodies were tes...

     In this study, the stability of trinitroglycerin (TNG) in polyethylene (PEG) 400 was investigated according to Arrhenius approach. The reaction rate constant (k) for the thermal disintegration of TNG in PEG 400 at various temperatures was counted based on the percents of remaining TNG at different intervals of time at a specific temperature. The results showed that “k” at 40, 50, 60, 70, 8...

A weighing matrix W of order $$n=\frac{p^{m+1}-1}{p-1}$$ and weight $$p^m$$ is constructed shown that the rows $$-W$$ together form optimal constant ternary codes length n, minimum distance $$p^{m-1}(\frac{p+3}{2})$$ for each odd prime power p integer $$m\ge 1$$ thus $$\begin{aligned} A_3\left( \frac{p^{m+1}-1}{p-1},p^{m-1}\big (\frac{p+3}{2}\big ),p^{m}\right) =2\big (\frac{p^{m+1}-1}{p-1}\big...