نتایج جستجو برای: obtained suspension was spread ina petri dish then
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Over 60 Pieris taxa (Ericaceae) were measured for their susceptibility to the Andromeda lace bug, Stephanitis takeyai Drake and Maa, and the azalea lace bug, Stephanitis pyrioides (Scott) (Hemiptera: Tingidae) based on leaf damage, adult survival on leaves, and emergence of nymphs in no-choice petri dish assays. Pieris phillyreifolia (Hook.) DC. and P. japonica (Thunb.) D.Don ex G.Don 'Variega...
Aluminum toxicity is one of the most deleterious factors for plant growth in acidic soils because over 50% of the world’s potentially arable lands are acidic. In recent years, considerable research has been conducted to understand the mechanisms of Al toxicity and tolerance in plants. This paper reviews the effects of different concentration of Al on plant shoot, root physiological parameters s...
In typical in vitro studies on sonoporation, cells were cultured in a Petri dish or a multi-well plate filled with culture medium and sonicated by an ultrasound transducer placed under the dish or well. In this condition, ultrasound wave is reflected at the surface of the culture medium, and a complex standing wave field is generated inside the dish. Precise dosimetry is essential in ultrasound...
Teflon spaghetti tubing was placed over the metal needles of the dispensing head of the Accu-Drop multidropper, thus preventing the delivery of multiple drops. A metal plate was drilled so that 25 cartridges could be positioned to inoculate simultaneously 25 compartments in a divided petri dish.
the present study was conducted to investigate the role of summary in teaching grammar process on pre-university students. to this end, 48 male pre-university students in semnan were participants. they were math class that we called experimental group and science class as control group. in order to make sure there was no significant difference in proficiency level of two groups. a pre-test wa...
Despite the recent availability of large data sets on human movements, a full understanding of the rules governing motion within social systems is still missing, due to incomplete information on the socio-economic factors and to often limited spatio-temporal resolutions. Here we study an entire society of individuals, the players of an online-game, with complete information on their movements i...
Cells transformed by DNTA viruses do not produce progeny of the virus that caused the transformation. However, Gerber' and Sabin and Koch2 found that small amounts of SV40 virus are produced if SV40-transformed cells are grown together with cells able to support SV40 multiplication. A clue to the possible mechanism of this activation was provided by Gerber3 and by Koprowski and Jensen,4 who obs...
The present study aimed to investigate the effect of garlic extract loaded on zinc oxide nanoparticles viability Sarcocystis in vitro Samples parasite was divided into three group inside control each one consists 20 petri dish (5 dish) for concentration contain Phosphate Buffer Saline(PBS). treated with hybrid (Garlic nanoparticles) (0.1, 0.3, 0.5) mg/ml 4 ᵒC and noticed five days. nanoparticle...
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