نتایج جستجو برای: was isolated from persian gulf sediments and indentified via biochemical tests then
تعداد نتایج: 17771291 فیلتر نتایج به سال:
abstract this quasi-experimental study was aimed at examining the impact of storyline complexity on the grammatical accuracy and complexity of advanced and intermediate efl learners. a total of 65 advanced and intermediate efl learners were selected from iran language institute (ili). an intact group including 35 intermediate participants and another intact group with 30 advanced participants ...
methodology non-native participants in this study were sixty ba students majoring in english literature and teaching english as a foreign language at khayyam university of mashhad. they were senior students, between 21 to 24 years old, who had studied english for at least three and a half years and had passed several courses including grammar, reading, conversation, and writing. this was assum...
Common techniques for the treatment of Hepatocellular carcinoma (HCC) have not been successful, and thus the design and discovery of new compounds with better anti-cancer function are needed. Snake venom is among the most important compounds used by researchers to the treatment of various cancers. This study was designed to evaluate the toxicity effect of Persian Gulf snake venom (Enhydrina sch...
background: cholesterol oxidase (cho) has various clinical and industrial applications. recently, microbial cho have received a great attention for their wide usage in medicine. here, taxonomic characterizations of isolated strain from soil, optimization of the conditions for cho production and biochemical characterizations of produced cho enzyme were described. finally, cho gene was cloned int...
the importance of writing as a complex skill in applied linguistics has drawn the attention of many researchers to evaluate textbooks in order to help learners gain self-sufficiency and autonomy in the field of language use and communication. investigations have shown that developments in textbooks evaluation can promote the quality of pedagogies and consequently the learning. this study attemp...
Screening bacteria for bioactive compounds is the first step in the drug discovery programs. The aim of the present research was to achieve cytotoxic and antioxidant metabolites from actinobacteria of Persian Gulf sediments and to investigate the effects of combinations of seven treatments and six isolation media on the selective isolation process. A total of 395 actinobacterial isolates were c...
abstract deviation or in other words committing a crime is literally a social problem. this research that was conducted in 1389 and 1390 has tried to investigate the causes of crimes committed by young male inmates qazvin central prison and effective variables on their tendency to deviation. accordingly after collecting theoretical framework and offering theoretical model including both hirsch...
Abstract In the Persian Gulf, Azooxanthellate Scleractinia remain understudied compared to their symbiotic counterparts. Here, we report presence of azooxanthellate coral Truncatoflabellum mortenseni (Cairns & Zibrowius, 1997) for first time in Iranian deep waters. This species was found on soft sediments at depths 83 and 101 m. Given this report, distribution range T. mortenseni, previousl...
Fusarium species are cosmopolitan species that frequently isolated from soils and plantdebris and can seriously damaged plant, animal and human. Persian Gulf beaches in Iranare the ideal habitat for a variety of Fusarium species. Therefore, the study is conductedto gather some information on the population of Fusarium species which could be foundin Persian Gulf beaches in Iran. The study involv...
Residues of complex organochlorine and organophosphate as well as various compounds of polychlorinated biphenyls (PCBs) are reported from sediments and two species of fish ( Liza abu and Cyprinus carpio) residing in Arvand Rood River (ARR) in the Persian Gulf area. One hundred fish specimens and triplicate sediment samples taken from 15 stations 2 Km apart in an area close to the Persian Gulf w...
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