نتایج جستجو برای: 52 and 75 percent field capacity
تعداد نتایج: 16993366 فیلتر نتایج به سال:
A ubiquitous finding in intelligence research is that there is a substantial correlation between working memory (WM) capacity and general (fluid) intelligence tests (e.g., [Intelligence 14 (1990) 389]). The standard explanation for this correlation is as follows: People with high WM capacity can keep in memory many elements and are therefore good at storing subresults needed within an item. We ...
increasing academic and professional language demands around the world are not a deniable fact. the purpose of this study was to investigate english language needs and communication needs of the chemistry students at master and ph.d. levels at the iranian universities. in this research, different methods were used including un-structured interview, structured interview, and two sets of question...
In order to investigate the effects of municipal solid waste enriched with mineral fertilizers on some soil physical properties and lead (Pb) and chromium (Cr) concentration in plant organs of spinach, a field experiment was carried out in a factorial arrangement based on the randomized complete block design with three replications in 2008. The main plot included four levels of fertilizer, cont...
1 observations of the 1415+52 CFRS field: the cosmic star formation rate as derived from deep UV, optical, mid-IR and radio photometry ABSTRACT The CFRS 1452+52 field has been deeply imaged with the Infrared Space Observatory (ISO) using ISOCAM through the LW3 filter (12-18µm). Careful data analysis and comparison to deep optical and radio data have allowed us to generate a catalog of 78 15 µ s...
BACKGROUND Studies have reported that children with atopic dermatitis (AD) have a high risk of adverse reactions at first egg ingestion. METHODS We enrolled 79 children with AD retrospectively and 45 children without AD (control group) prospectively, who had never eaten egg. All children underwent skin prick tests (SPT) with commercial extracts and prick by prick with natural food (raw and bo...
rice is one of the most important staple cereals in iran and has a main role in providing the food security. harvesting by hand postpone the rice harvesting stage, and facing late season rainfall, and increase of yield losses during harvesting. to determine the most suitable harvesting method in gilan, three different harvesting methods (by hand, harvester and combine) were considered as...
this research was carried out to assess the effect of drought stress on head branch dry weight, photosynthesis, essential oil yield and radical scavenging of rosemary (rosmarinus officinalis l.) in islamic azad university, shoushtar branch, iran during 2010-2011.the experiments were carried out using complete randomized block design with four replications and drought stress levels included cont...
BACKGROUND Breathlessness is the most common symptom in people with pulmonary arterial hypertension and congenital heart disease (CHD-APAH), previously thought to be caused by worsening PAH, but perhaps also by inflammation and abnormalities of lung function. We studied lung function and airway inflammation in patients with CHD-APAH and compared the results with controls. METHODS AND RESULTS ...
OBJECTIVES We administered aerosolized histamine to 32 subjects with tetraplegia to determine whether there were differences in spirometric and/or lung volume parameters between responders and nonresponders. RESULTS Baseline pulmonary function parameters revealed mild to moderate restrictive dysfunction. We found that 25 subjects (78%) were hyperreactive to histamine (mean provocative concent...
Pulmonary function tests were performed before surgery on 152 patients who were operated on for pectus excavatum between 1970 and 1987 and at long-term follow-up to assess the degree of impairment and to investigate any changes caused by surgical correction. The mean age at surgery was 15.3 +/- 5.5 years. Pulmonary function was found to be restricted preoperatively. Multivariate analysis showed...
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