نتایج جستجو برای: stress reduction
تعداد نتایج: 903122 فیلتر نتایج به سال:
Melatonin is a new plant hormone that plays an important role in stress tolerance. For investigation the effect of exogenous application of melatonin on salt tolerance in rosemary (Rosmarinus officinalis L.), a factorial experiment was conducted in a completely randomized design with three replications. The first factor was melatonin (50, 100 µM) and the second factor was salinity stress (6, 9,...
drought preconditioning (dp) is a method of irrigation with low frequency and longer duration, to extend the root system and suppress drought damage in plants. in the present study, the effect of dp for 30 days on increasing tolerance to drought stress in two turfgrass species, creeping bentgrass (agrostis stolonifera cv.palustris) and tall fescue (festuca arundinacea cv. greystone) was investi...
reduction of deleterious effects of salt stress using some plant bioregulators has been reported in different plant species. salicylic acid (sa) has been considered as a signaling molecule and it is known to ameliorate the oxidative damage caused by environmental stresses such as salt stress. the present study was conducted to investigate the effects of sa on different growth characteristics, p...
introduction: this in vitro study evaluated the influence of composite thickness (with or without fiber reinforcement) on fracture resistance of direct restorations in endodontically treated teeth. methods and materials: fifty-six intact human premolars were chosen and randomly divided into four groups ( n =14). after preparation of a mesio-occluso-distal (mod) cavities and cusp reduction, the ...
BACKGROUND AND PURPOSE Vascular effects of mental stress are only partially understood. Therefore, we studied effects of chronic stress and heart rate (HR) on endothelial function and cerebral ischemia. METHODS 129S6/SvEv mice were randomized to the I(f)-channel inhibitor ivabradine (10 mg/kg per day) or vehicle and underwent a chronic stress protocol for 28 days. RESULTS Stress increased H...
For evaluation of the reaction of twenty red beans ecotypes to drought stress, an experiment was conducted in split plot as Randomized Complete Block Design with 3 replications in 2016-2017 at research field of Graduate University of Advanced Technology, Kerman, Iran. In this study, the main plots were three irrigation levels and sub-plot were twenty red beans ecotypes which they are sub-popula...
Background and objectives: Coronary artery disease (CAD) is associated with negative emotions of anger and stress, which are one of the nonclinical risk factors of the disease. Therefore, evaluation of the effective therapeutic models alleviating the patients’ negative emotions is of paramount importance. This study aimed to examine the effect of mindfulness-based stress reduction (MBSR) on ang...
Morphophonological alternations in English words such as able versus ability involve changes in both stress and vowel quality. This study examined how native speakers of Spanish and English produced four such morphologically related English word pairs. Degree of stress and vowel quality was assessed auditorily and instrumentally. Stress placement generally seemed to constitute less of a learnin...
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