نتایج جستجو برای: that each concentration had two immersion times including
تعداد نتایج: 7987616 فیلتر نتایج به سال:
abstract poor reading comprehension can result in failure in using references, benefiting from professional gatherings and resources, keeping up with the growing body of knowledge in the virtual world of the internet, and failing to achieve in efl programs. the purpose of the present quasi-experimental study was to explore the effects of background knowledge and previewing narrative and expos...
objective: to study the morphology ofgonads and sperm ducts of sex reversed male rainbow trout after administration of i 7-cr- methyl testosterone. animals: rainbow trout, oncorhynchus mykiss. procedure: l7-alpha-methyl testosterone (17-alpha-mt) was administered to rainbow trout in 5 treafinents as follows: i) rwo times immersion of eyed eggs and yolk sac alevins in 250 pg/l bath with 2 hours ...
The effects of neem oil (Nimbecidine 0.03% Aza) and water extracts of neem seed and leaf on African bollworm, Helicoverpa armigera were studied each at three concentration levels (2.5%, 5% and 10%) under laboratory condition. Square dip and larval immersion experiments were conducted using Completely Randomized Design in three replications. In square dip experiment, high mortalities were statis...
abstract this study aimed at investigating the possible relationship between self-assessment in writing and self-regulation of iranian efl learners. the main purpose of the study was not only to report and inform about this relationship, but also to investigate and find practical outcomes of the incorporation of self-assessment in writing, such as improving writing skill. the research was carr...
today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...

 Buni (Antidesma bunius (L.) Spreng) is one of the local berry fruit that can be used in food processing sector and an annual (perennial). The objective this research to discover concentration sucrose immersion time influence osmodehydrate buni determine right treatment combination from characteristics buni. This a Completely Randomized Design with two factors, variations (40%, 50%, 60%) ...
the aim of this study was to assess the effect of bleaching on elution of monomers from nanofilled and microhybrid composites.80 samples (5mm diameter and 3mm thickness) of each composite were prepared. after curing, half of them were randomly polished. each group was divided into 8 subgroups and immersed in water or 10%, 20% and 30% h2o2 for 3 or 8 hours. eluted bis-gma (bis-phenol a glycidyl ...
the community dynamics of aquatic coleoptera(insecta)in one of the spring-stream habitats of bammo national park in fars province called cheshmeh-ye-ghanbari is studied as a pilot project and model for acquaintance with and furthering the biodiversity studies on fauna of iran. sixteen species-populations out of nineteen of this community were already identified for their taxonomy and for thei...
abstract: the present study is an attempt to find out cultural exophoric references in iranian high-school elt textbooks and touch stone series to compare the frequency of occurrence of such references in these books. the purpose is to find out which of the series of the books under investigation impose a greater referential burden on efl learners as far as their reading comprehension of the ...
in order to evaluate the effects of sodium bicarbonate of irrigation water on the physiology and growth characteristics ofwalnut genotypes, a factorial experiment was performed with two factors including bicarbonate at 3 levels (0, 20 and 40 mm) and walnut genotypes (including local genotype a and wild genotypes b and c), based on completely random design. in this study, the effect of bicarbona...
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