نتایج جستجو برای: soil breaking
تعداد نتایج: 225313 فیلتر نتایج به سال:
a study was conducted to determine the optimum concentration of benzyladenie (ba) and gibberllic acid (ga3) to break the dormancy of gladiolus corms in relation to storage period and to find out the effect of ba and ga3 on growth and development of gladiolus corm and cormels. the effect of ga3 on dormancy breaking was most pronounced in the 100 ppm treatment being 26.93 days while in the water ...
Introduction: The Main challenge in training about breaking bad news is selection of appropriate educational method. This study was performed to assess the results of role-playing method versus group discussion in training about this skill. Methods: This was an interventional double blind study, performed in 2009-2010 in Jahrom University of Medical Sciences. 30 medical students were involved ...
abstract dormancy in potato minituber buds is one of the limiting factors on planting them after harvesting. this study was undertaken in a completely randomized nested with arrengment three replications to examine the effective hormonal and temperature treatments on rapid breaking of minitubers dormancy at 2008. treatments included gibberellic acid (2 and 5 mg/l), benzyl adenine (5 and 10 mg/l...
although, grapevines do not have a high chilling requirement, its fulfillment is critical for normal development of the vines. in tropical and subtropical regions such as farrashband, in the south of iran, there is no adequate winter chilling to release bud dormancy in grapevines. so it is necessary to consider the effect of chemical dormancy–breaking agents on bud dormancy. in the present rese...
increasing development of nano-technology in optics and photonics by using modern methods of light control in waveguide devices and requiring miniaturization and electromagnetic devices such as antennas, transmission and storage as well as improvement in the electromagnetic tool, have led researchers to use the phenomenon of electromagnetically induced transparency (eit) and similar phenomena i...
Breaking bad news is one of the most difficult tasks an emergency physician has to perform and unfortunately it is not well studied. Almost all of the original studies for compilation of the guidelines of breaking bad news have been conducted in a non-emergent situation and were physician-oriented. In this study and by reviewing related articles in medical databases, the authors try to show the...
Many CSPs can be effectively represented and efficiently solved using matrix models, in which the matrices may have symmetry between their rows and/or columns. Eliminating all such symmetry can be very costly as there are in general exponentially many symmetries. Cost-effective methods have been proposed to break much of the symmetry, if not all. In this paper, we continue with this line of res...
We present a comprehensive study of the use of value precedence constraints to break value symmetry. We first give a simple encoding of value precedence into ternary constraints that is both efficient and effective at breaking symmetry. We then extend value precedence to deal with a number of generalizations like wreath value and partial interchangeability. We also show that value precedence is...
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