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In order to investigate the effect of nitrogen fertilizer and plant density on the agronomic characteristics of rice cv. Tarom Hashemi, a field experiment was carried out as a randomized complete blocks design with three replications during 2018 and 2019 in a farm located in Sari, north of Iran. The present study consisted of 10 levels of plant density (hills m-2) and N fertilizer, named T1 (20...
Genome-wide association studies in frontotemporal dementia showed limited success in identifying associated loci. This is possibly due to small sample size, allelic heterogeneity, small effect sizes of single genetic variants, and the necessity to statistically correct for testing millions of genetic variants. To overcome these issues, we performed gene-based association studies on 3348 clinica...
From 1995 to 1998, more than 90 percent of mid-range IPOs were charged underwriter fees, or spreads, of exactly seven percent, even though evidence suggests that economies of scale in the size of the offering should allow for lower fees. Chen and Ritter (2000) offer collusion as a possible explanation based on empirical analysis and observation. Alternatively, we investigate whether the spreads...
OBJECTIVE To examine the impact of pregnancy on adolescent growth and adiposity relative to nulligravidas of similar maturation stage. DESIGN Prospective cohort study. SETTING The multicenter National Heart, Lung and Blood Growth and Health Study with annual examinations from 1987-1988 through 1996-1997. PARTICIPANTS One thousand eight hundred ninety girls (983 black and 907 white) aged 9...
The aim of this study was to Compare the effect of resistance training with active and passive rest on aerobic and anaerobic fitness in soccer players. For this purpose 16 players of Foolad Mobarakeh Sepahan club, accidentally were divided into rest and active group (Height 177.78±6.68 cm, Weight 64.88±7.97 kg, age 18.22±0.83 years ,and percent fat 20.47±1.8) and rest passive group(Height 17...
Natural fibers, which are abundant, environmentally friendly, and biodegradable, used as a replacement for synthetic fibers. The composite strength can be increased by treating the surfaces of natural fibers with suitable chemicals, also improve interface interaction between fiber matrix. Application coupling agent in chemical treatment is utilized to reinforce bonding objective study determine...
BACKGROUND Epidural analgesia initiated early in labor (when the cervix is less than 4.0 cm dilated) has been associated with an increased risk of cesarean delivery. It is unclear, however, whether this increase in risk is due to the analgesia or is attributable to other factors. METHODS We conducted a randomized trial of 750 nulliparous women at term who were in spontaneous labor or had spon...
Abstract In order to assess reduced nitrogen level impacts on butterhead lettuce (Lacttuca sativa L.) growth and yield, an experiment was done from May to August 2015 in research greenhouse of Shahrekord University. The experiment was conducted through randomized completed design with three replications and four treatments. The lettuce plants were grown in floating system using 60, 80, 100 a...
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