نتایج جستجو برای: 2009. nematodes were extracted from soil through centrifugal flotation technique. the extracted nematodes were transferred to pure glycerin using common methods. permanent slides were made and nematodes identified as based on their morphological and morphometric characteristic. throughout the study
تعداد نتایج: 24063728 فیلتر نتایج به سال:
to identify the faunal parasitic nematodes of mazandaran, guilan and ardebil provinces, roughly 30 soil samples were collected from the rhizosphere of forest trees during 2005-2009. nematodes were extracted from soil through centrifugal flotation technique. the extracted nematodes were transferred to pure glycerin using common methods. permanent slides were made and nematodes identified as base...
in order to investigate the biodiversity of plant parasitic nematodes of vegetable fields in mashhad area, 51 soil and root samples were collected during 2010-2011. nematodes were extracted by centrifugal flotation technique and transferred to glycerin according to the modified de grisse method (1969). the permanent slides were prepared from the extracted nematodes. the nematodes were identifie...
abstract the current study set out to address the issue as to whether the implementation of portfolio assessment would give rise to iranian pre-intermediate efl learner autonomy. participants comprised 60 female in pre-intermediate level within the age range of 16-28.they were selected from among 90 language learners based on their scores on language proficiency test -key english test. then, t...
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...
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
the present study is paid to the evaluation of the welfare program of the unemployment insurance in iran. the main purpose which was the main reason for performing this thesis, was the unemployment insurance plan’s challenges in iran such as financial problems of this plan, prolongation of the credit receipt for some insured people, unemployment slow exiting from the unemployment insurance fund...
this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...
abstract in order to identify plant parasitic nematodes of potato fields, 55 soil samples and a few tuber samples were collected from khorasan razavi province during 2005-2006 .soil samples were washed and nematodes were extracted by centrifugal flotation technique. the extracted nematodes were fixed and transferred to glycerin. baermann funnel method was used for extracting nematodes from tube...
the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...
abstract the first purpose of this study was to investigate the effect of consciousness-raising (c-r) activities on learning grammatical structures (simple present tense in this case) by iranian guidance school efl learners. the second one was to investigate the effect of gender on learning the simple present tense through c-r activities and tasks. finally, this study aimed to investigate the ...
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