نتایج جستجو برای: smr
تعداد نتایج: 2115 فیلتر نتایج به سال:
The POXR and SMR methods adopted in producing hydrogen from methane gas are simulated and exergy analysis of both the processes are run for comparison. The effective parameters of the feeding materials ratio and the system temperature for maximizing hydrogen production and increasing efficiency are assessed here. Influenced by the changes in these parameters the unit efficiency is increased up ...
Any model for the action of extracistronic suppressors'-3 that involves the mistaken reading of a codon appearing often in the genome, predicts that if the efficiency of suppression is high, the suppressor would be lethal. We have found strains in which this "oversuppression" can be brought about by an external agent, streptomycin (Sm). This Sm-induced oversuppression appears to be the combined...
Purpose: The sensorimotor cortex oscillations (frequency ranging between 12 and 15 Hz), commonly known as Sensorimotor Rhythm (SMR) has previously displayed a promising link between the performance of the visuomotor related to skill execution and part of psychology that is adaptive (e.g. the process linked attention which is automatic). This study examined the extent of SMR power in the executi...
The more hydrophobic, rough-colony-forming, streptomycin-resistant Streptococcus mutans parent strains GW Smr and LK Smr and the less hydrophobic, smooth-colony-forming, streptomycin-resistant variant strains GW36 Smr and LK36 Smr were implanted in oral cavities. Strains GW Smr and LK Smr implanted significantly better than strains GW36 Smr and LK36 Smr. The hydrophobicity of and the colony mor...
Sensorimotor rhythm (SMR) activity has been related to automaticity during skilled action execution. However, few studies have bridged the causal link between SMR activity and sports performance. This study investigated the effect of SMR neurofeedback training (SMR NFT) on golf putting performance. We hypothesized that preelite golfers would exhibit enhanced putting performance after SMR NFT. S...
BACKGROUND Fire fighters are exposed to a wide variety of toxic chemicals. Previous studies have reported excess risk of some cancers but have been limited by small numbers or little information on employment characteristics. METHODS We conducted a retrospective cohort mortality study among 7,789 Philadelphia firefighters employed between 1925 and 1986. For each cause of death, the standardiz...
Introduction. Operant conditioning of one’s slow cortical potential (SCP) or sensorimotor rhythm (SMR) can be used to control epilepsy or to manipulate external devices, as applied in BCI (Brain-Computer Interface). A commonly accepted view that both SCP and SMR are reflections of central arousal suggests a functional relationship between SCP and SMR networks. Method. The operant conditioning o...
Rates of standard metabolism (SMR) are highly variable among individuals within vertebrate populations. Because SMR contributes a substantial proportion of an individual's energy budget, among-individual variation in this trait may affect other energetic processes, and potentially fitness. Here, we examine three potential proximate correlates of variation in SMR: organ mass, serum T4 thyroxine ...
مقدمه: با توجه به اهمیت فلز روی(zn+2) به عنوان یک عنصر ضروری در سیستم های بیولوژیکی و اثرات سمی فلز روی، از طرفی پیدایش سویه های استافیلوکوک اورئوس smr+ مقاوم به ترکیبات چهار ظرفیتی آمونیوم(qacs) به علت مصرف گسترده مواد بیوساید حاوی qacs منجــر به این شــد که در ایــن مـطالعه به بررســی حــساسیت استافیلوکوک اورئوس به فلز روی در مقایسه با سویه های مقاوم و حساس به ماده بیوساید بنزآلکونیوم کلراید ...
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