Abstract Gas electron Multipliers (GEM) are a new generation of gaseous avalanche devices in the Micro Pattern Gaseous Detector (MPGD) category. GEMs widely used both nuclear and high energy experiments as well medical science. Several parameters define performance these types under various experimental conditions. This article focuses on study effective gain Ion Back Flow (IBF) triple quadrupl...

Two-dimensional phase field simulations were performed of grain growth in highly textured materials with equal fractions of 2 texture components, denoted as α and β grains, and assuming 2 values of the grain boundary energies, namely σlow for the boundaries between grains of a different texture component and σhigh for boundaries between grains of a similar orientation, resulting in microstructu...

Drug resistance and the distribution of R factors in Salmonella strains were surveyed using 1,980 strains isolated in Japan from 1955 to 1973. Resistances were mostly restricted to sulfanilamide (SA), tetracycline (TC), and streptomycin (SM), and combinations thereof. The demonstrated frequency of strains resistant to chloramphenicol (CM) was very low as compared with that in Escherichia coli a...

A cycle of length 9 of vertices (x1, x2, . . . , x9), in the cyclical order, with the three edges {x1, x4}, {x4, x7}, {x1, x7} is called an NQ-graph or also a nonagon quadruple graph. A nonagon quadruple system, briefly NQS, of order v and index λ is an NQ-decomposition of the complete multigraph λKv. An NQS is said to be perfect if the inside K3, generated by the vertices x1, x4, x7, forms a S...

Melissa Keranen∗, Donald Kreher, Artem Zhuravlev, Michigan Technological University A group divisible Steiner quadruple system, is a triple (X,H,B) where X is a v-element set of points, H = {H1, H2, . . . , Hr} is a partition of X into holes and B is a collection of 4-element subsets of X called blocks such that every 3-element subset is either in a block or a hole but not both. We investigate ...

Four human immunodeficiency virus type 1 (HIV-1) treatment-naïve Thai patients began antiretrovival therapy with a triple drug regimen -zidovudine plus lamivudine plus indinavir; this regimen was modified at week 20 of therapy because of drug toxicity. The virus in all patients was suppressed to lower than 400 copies/ml while they were taking the triple antiretroviral drug regimen. However, sup...

BACKGROUND The eradication rate of Helicobacter pylori (H. pylori) with triple therapy which was considered as standard first-line treatment has decreased to 70-85%. The aim of this study is to compare 7-day triple therapy versus 10-day sequential therapy as the first line treatment. METHODS Data of 1240 H. pylori positive patients treated with triple therapy or sequential therapy from Januar...

background and purpose: successful treatment of helicobacter pylori infection causes not only eradication of pathogen, but also prevents the associated diseases such as peptic ulcer, gastric carcinoma and lymphoma. the aim of this study was to evaluate the efficacy of 7 days triple therapy as a lowest drug resistance, shortest duration and fewer numbers of drugs in children. materials and metho...