نتایج جستجو برای: stress concentration and collapse mechanism
تعداد نتایج: 16993733 فیلتر نتایج به سال:
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...
matricaria chamomilla is a medicinal plant that is widely cultivated in salt affected soils. this investigation was undertaken to study the effect of nacl concentration on germination, and the physiological, biochemical and growth characteristics of chamomile. seed germination and growth were studied at five nacl concentration levels (0, 40, 80, 120 and 190 mm nacl concentration). increasing th...
Original scientific paper In this paper, the possibility to create uniform porous structure for nonsymmetric precursor heating was investigated together with changes in collapse stress and their reproducibility. The statistic relative standard deviation (RSD) of pore size was used to determine the structural uniformity. It was shown that proper adjustment of the foaming parameters leads to form...
Collapse of liquid films in a foam is characteristic compared to that individual films. The mechanism and physical conditions collective bubble collapse which directly contribute stability have been clarified.
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