نتایج جستجو برای: combined stress
تعداد نتایج: 802302 فیلتر نتایج به سال:
this paper addresses the combined effects of couple stresses, thermal radiation, viscous dissipation and slip condition on a free convective flow of a couple stress fluid induced by a vertical stretching sheet. the cogley- vincenti-gilles equilibrium model is employed to include the effects of thermal radiation in the study. the governing boundary layer equations are transformed into a system o...
BACKGROUND Differences in the cortisol response have been reported between children exhibiting the inattentive and hyperactive/impulsive subtypes of attention deficit hyperactivity disorder. However, there is no such information about adults. The aim of the present study was to determine the possible differences between the combined and inattentive subtypes in the cortisol response to stress. ...
In nature plants are often simultaneously challenged by different biotic and abiotic stresses. Although the mechanisms underlying plant responses against single stress have been studied considerably, plant tolerance mechanisms under combined stress is not understood. Also, the mechanism used to combat independently and sequentially occurring many number of biotic and abiotic stresses has also n...
In order to identify drought tolerant chickpea genotypes, an experiment was conducted in the west of Iran, during 2007-2009 cropping seasons. Several selection indices were used to illustrate genotypic differences in response to drought stress. The results of combined analysis of variance showed that year, genotype, stress conditions and their interaction effects were highly significant. Correl...
BACKGROUND Adverse effects of prenatal stress or environmental chemical exposures on fetal growth are well described, yet their combined effect remains unclear. OBJECTIVES To conduct a systematic review on the combined impact and interaction of prenatal exposure to stress and chemicals on developmental outcomes. METHODS We used the first three steps of the Navigation Guide systematic review...
Extended Abstract Introduction and Objective: Moldavian balm (Dracocephalum moldavica L.) is a medicinal plant belonging to the Lamiaceae family which uses as stomachic, sedative and healing of wound. Non-uniform establishment of medicinal plants in arid zones soil especially under abiotic stresses such as salinity is the most important problems in cropping and developing of these plants. Mat...
In this research, the effects of cysteine on alleviation of heavy metal stress in purple basil plants were studied and some parameters such as fresh weight of shoot and root, chlorophyll a and b content, carotenoids, anthocyanin, and total phenolic compounds and reducing sugar was measured. Research was conducted in two separate trials for the two group pre-treated cysteine and cysteine -cobalt...
unsteady convective diffusion in a herschel–bulkley fluid in a conduit with interphase mass transfer
the combined effect of non-newtonian rheology and irreversible boundary reaction on dispersion in a herschel-bulkley fluid through a conduit (pipe/channel) is studied by using generalized dispersion model. the study explains the development of dispersive transport following the injection of a tracer in terms of three effective transport coefficients namely exchange, convective and dispersion co...
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