Spontaneous rifampicin-resistant (RFM(R)) mutants were isolated from Bacillus subtilis 168 cultivated in the presence or absence of oxygen. By DNA sequencing, the mutations were located within Cluster I of the rpoB gene encoding the β subunit of RNA polymerase. The spectrum of RFM(R) rpoB mutations isolated from B. subtilis cells grown anaerobically differed from aerobically grown cells, not on...

RFM stands for Recency, Frequency and Monetary value. RFM analysis is a marketing technique used for analyzing customer behavior such as how recently a customer has purchased (recency), how often the customer purchases (frequency), and how much the customer spends (monetary). It is a useful method to improve customer segmentation by dividing customers into various groups for future personalizat...

The retention of foetal membranes (RFM) is supposed to be related to oxidative stress which can be evaluated through indirect and direct parameters, among others, total antioxidant capacity (TAC) and lipid peroxidation intensity (LPI). Placental samples (maternal and foetal parts) were collected from Holstein-Friesian healthy cows immediately after caesarean section (n = 13, group A) at time or...

Rational Function Models (RFM) are one of the most considerable approaches for spatial information extraction from satellite images especially where there is no access to the sensor parameters. As there is no physical meaning for the terms of RFM, in the conventional solution all the terms are involved in the computational process which causes over-parameterization errors. Thus in this paper, a...

Segmentation based on RFM (Recency, Frequency, and Monetary) has been used for over 50 years by direct marketers to target a subset of their customers, save mailing costs, and improve profits. RFM analysis is commonly performed using the Arthur Hughes method, which bins each of the three RFM attributes independently into five equal frequency bins. The resulting 125 cells are depicted in a tabul...

The comparison of some hormonal and biochemical blood indices in healthy cows (C) and cows affected with retained foetal membranes (RFM) or puerperal metritis (PM) was the aim of the study. Blood samples were taken between 12 and 24 h (RFM) or 8-10 d (PM) after calving. The progesterone, 17-β oestradiol, cholesterol, glucose, ketone bodies (KB) and free fatty acids (FFA) levels were similar in ...

BACKGROUND The perception of reduced fetal movement (RFM) is an important marker of fetal wellbeing and is associated with poor perinatal outcome (such as intra-uterine death). METHODS We conducted a prospective study of women presenting with RFM over 28 weeks' gestation to a tertiary-level maternity hospital. We examined pregnancy outcomes and compared them to a retrospectively collected con...

BACKGROUND The long-term outcome of atrial fibrillation (AF) ablation demonstrates attrition. This outcome may be due to failure to attenuate the progressive substrate promoted by cardiovascular risk factors. OBJECTIVES The goal of this study was to evaluate the impact of risk factor and weight management on AF ablation outcomes. METHODS Of 281 consecutive patients undergoing AF ablation, 1...

Two morphologically distinct, H2- and CO2-utilizing methanogens were isolated from gut homogenates of the subterranean termite, Reticulitermes-flavipes (Kollar) (Rhinotermitidae). Strain RFM-1 was a short straight rod (0.4 by 1.2 micron), whereas strain RFM-2 was a slightly curved rod (0.34 by 1.6 microns) that possessed polar fibers. Their morphology, gram-positive staining reaction, resistanc...

BACKGROUND Maternal perception of reduced fetal movement (RFM) is associated with increased risk of stillbirth and fetal growth restriction (FGR). RFM is thought to represent fetal compensation to conserve energy due to insufficient oxygen and nutrient transfer resulting from placental insufficiency. OBJECTIVE To identify predictors of poor perinatal outcome after maternal perception of reduc...