نتایج جستجو برای: 52 and 75 percent field capacity
تعداد نتایج: 16993366 فیلتر نتایج به سال:
Allergic rhinitis and asthma are closely associated. Inflammation is a common pathological characteristic shared by both disorders. The measure of the fractional concentration of exhaled nitric oxide (FeNO) may be considered a surrogate marker for airway inflammation. Forced expiratory flow between 25 and 75 percent of vital capacity (FEF25-75) has been previously demonstrated to be able to pre...
The focus of this research was to identify the role played by agricultural cooperatives in rural development era liberalization North West and South regions Cameroon. Primary sources were used for data collection. Questionnaires administered 329 respondents from 52 40 villages with a response rate 78.7% Region 21.3% Region. Agricultural government officials interviewed both regions. Findings fi...
Background & Aim: Drought stress, as a main abiotic stress, has a significant influence on growth and metabolic activities of plant species. In this study, the influence of reduced irrigation on dry herbage, essential oil yield, and chemical components of two thyme species were investigated. Experimental: This study was done in an experimental greenhouse, I.A.U., Shahrekord Branch, Iran at 201...
Water deficiency is an important factor for plant growth in arid environments. Foliar application of methanol in C3 plants is believed to be more important in water stress tolerance. In order to evaluate the effects of foliar application of methanol on photosynthetic features, chlorophyll fluorescence and chlorophyll content of lentil under water deficit stress, a factorial experiment in comple...
Abstract Background Insecticides are applied on a large scale in the environment to control oak processionary moth ( Thaumetopoea processionea ) for protection of human health. Drift insecticides non-target areas is risk surrounding biodiversity. Since habitats caterpillars usually restricted treetops, sprayers used apply biocidal products must be able transport droplets over longer distances. ...
Ash and coal produced from fire influence the soil and few studies about these effects are available. For this purpose, this study was performed to investigate the effect of ash and coal on hydrological, physical and chemical properties of soil in Charat rangeland that has a history of fire. Systematic-random sampling was implemented in two plant types Astragalus gossypinus and Artemisia aucher...
abstract: this research was done to determine the effect of using l-carnitine and selected exercises on aerobic capacity and blood lactate. in this study 30 unathletes students of shahid rajaee university took part with the age of 22/63±1/75, height: 176 cm, weight 71/33±1 and bmi: 23/17±2/6. subjects randomly divided into 3 groups, control group who were doing the selected exercises, experimen...
abstract: salicylic acid is a phytohormone with phenolic nature which has been proved its role in increasing plant resistance to biotic and abiotic stress in several studies. this study was performed in order to investigation of interaction between 0, 0.5 and 1.5 mm concentrations of salicylic acid, as a seed pretreatment and different levels of drought stress (100, 75, 50 and 25 percent of fie...
most specialists in the field of foreign language teachingconsiderreading skill as an interactive process between the reader’s prior knowledge and the text.accordingly, the activation of prior knowledge for an effective comprehension is very important. it is generally agreed that the pre-reading phase is the stage where this type of interaction and activation may be enhanced throughcertain stra...
Patients with cystic fibrosis (CF) and advanced pulmonary disease have pulmonary limitation of exercise, often associated with arterial oxygen desaturation. Improving oxygenation during exercise by providing supplemental oxygen may improve exercise performance in these patients. To test this, we performed graded exercise stress tests in 22 CF patients with severe pulmonary disease (mean PaO2, 6...
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