نتایج جستجو برای: 21 dsm and control with distilled water and three plantago species plantago ovata
تعداد نتایج: 18789533 فیلتر نتایج به سال:
background & aim: investigating the possibility of using medicinal plant’s seeds substitute for agar gel in plant tissue culture and determining the optimal practical conditions of them is the aim of this study. experimental: in order to study the new gelling agents for using in plant tissue culture, we designed a tow part experiment by means of the seeds of medicinal plants such as linum u...
ارزیابی صفات کیفی دانه ی اسفرزه (plantago ovata forsk.) تحت رژیم های کم آبیاری و تیمارهای مختلف کودی
به منظور بررسی تأثیر رژیم های کم آبیاری و تیمارهای کودی بر صفات کیفی دانه ی اسفرزه گوش اسبی (plantago ovata forsk.) آزمایشی در مزرعه ی آموزشی و پژوهشی گروه زراعت و اصلاح نباتات دانشکده ی علوم زراعی و دامی دانشگاه تهران انجام گردید. این آزمایش به صورت اسپلیت پلات، بر پایه ی بلوک های کامل تصادفی و در سه تکرار انجام شد. رژیم های آبیاری در چهار سطح شامل رژیم آبیاری کامل، کم آبیاری ملایم، کم آبیاری ...
From the water-soluble part of an extract of Aragoa cundinamarcensis were isolated seven iridoid glucosides, namely aucubin, catalpol, rehmannioside D, globularin, gardoside methyl ester, epiloganin and mussaenoside. The main glycoside isolated, however, was a new caffeoyl phenylethanoid triglycoside, named aragoside, containing two beta-gluco- and one alpha-arabinopyranosyl moieties which cons...
this study examined the effects of collaborative strategic reading and direct instruction in persuasion on iranian high school students persuasive writing and attitudes. students in three intact classes were assigned to one of three treatment conditions: collaborative strategic reading and direct instruction in persuasion or direct instruction in persuasion or a control group. treatment effects...
anxiety is one common disorder during childhood. in curing anxiety disorders, there are different types of psychological remedies, pharmotherapy, family therapy, and music therapy that can improve the individual’s anxiety, but we need some other remedies to improve social and emotional relationship and interactions. considering the importance of curing the anxiety disorders, the effect of sand ...
today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...
with the growth of more humanistic approaches towards teaching foreign languages, more emphasis has been put on learners’ feelings, emotions and individual differences. one of the issues in teaching and learning english as a foreign language is demotivation. the purpose of this study was to investigate the relationship between the components of language learning strategies, optimism, duration o...
in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...
the present study sought to investigate the impact of using mind-mapping technique instruction on female elementary efl learners reading comprehension; it also investigated their attitudes towards using mind-mapping technique as a tool to improve their reading comprehension. this study followed a quasi-experimental design with two intact groups as experimental, and control groups. the participa...
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