نتایج جستجو برای: osmotic potential
تعداد نتایج: 1083538 فیلتر نتایج به سال:
The effect of osmotic stress on wheat (Triticum aestivum L.) mitochondrial activity and phospholipid composition was investigated. Preliminary growth measurements showed that osmotic stress (-0.25 or -0.5 megapascal external water potential) inhibited the rate of shoot dry matter accumulation while root dry matter accumulation was less sensitive. We have determined that differences in sensitivi...
salinity is one of the major environmental stresses that limit plant growth and productivity. glasswort (salicornia herbacea l.) is one of the native halophytic plants of iran that widely spread in salt areas. the purpose of this study was to determine the physiological and growth responses of s. herbacea to salinity stress. plastic pods (15 cm diameter, 20 cm height) with the silica sand bed w...
In vitro acclimatization has been validated as the successful key to harden plantlets before transplanting ex conditions. present study, we investigated potential of different sugar types (glucose, fructose, galactose, sucrose) in regulating morphological, physiological and biochemical strategies, survival percentage growth performance, rhizome traits turmeric under iso-osmotic potential. Leaf ...
A model for self-propulsion of a colloidal particle--the osmotic motor--immersed in a dispersion of "bath" particles is presented. The nonequilibrium concentration of bath particles induced by a surface chemical reaction creates an osmotic pressure imbalance on the motor causing it to move. The ratio of the speed of reaction to that of diffusion governs the bath particle distribution which is e...
بمنظور ایجاد مقاومت در جو بهاره ترش (hordeum spontaneum l.) به کم آبی، بذر جو تحت یک یا دو دوره متوالی تر و خشک کردن قرار گرفت ، در هر دوره خیساندن 35 درصد وزن بذر آب مقطر اضافه گردید و بمدت بیست و چهار ساعت در درجه حرارتهای ثابت 5، 10 و 20 درجه سانتیگراد نگهداری شد و سپس در هوای معمولی آزمایشگاه خشک گردید تا بوزن اولیه رسید. بذر تیمار شده و شاهد در کرتهای آزمایشی با طرح آماری split-plot در سه ...
In August 1990, a 2-ha plantation was established in an area where rainfall (about 515 mm year(-1)) was insufficient to meet evaporative demand. On nine occasions between September 1991 and April 1993, pressure-volume curves were constructed for irrigated and rainfed Eucalyptus globulus ssp. globulus Labill. and E. nitens (Deane and Maiden) Maiden trees. During the experiment, rainfed trees exp...
Lower critical solution temperature (LCST) phase transition of glycol ether (GE)-water mixtures induces an abrupt change in osmotic pressure driven by a mild temperature change. The temperature-controlled osmotic change was applied for the forward osmosis (FO) desalination. Among three GEs evaluated, di(ethylene glycol) n-hexyl ether (DEH) was selected as a potential FO draw solute. A DEH-water...
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