نتایج جستجو برای: compound materials
تعداد نتایج: 557626 فیلتر نتایج به سال:
learning vocabulary constitutes a crucial step in language learning. amongst different word categories, compound words have failed to attract the attention they deserve. this led us to conduct a study trying to pinpoint the difficulties learning these words and to suggest some techniques facilitating their acquisition. to that effect, a questionnaire as well as a vocabu-lary test were given to ...
Background and purpose: Increasing resistance of microbes to antimicrobial drugs necessitates the production of new compounds of more extensive activity together with low toxicity. Compounds containing quinoxaline and pyrazole cycles comprise important group of nitrogen-bearing heterocyclic compounds. These scaffolds possess a wide spectrum of biological effects including antimicrobial and anti...
Purpose: This study aimed to compare a new compound method and speech method (as the traditional method) in teaching anatomy.Materials and Methods: In this study, practical anatomy sessions are presented in two different methods. In the first method, based on traditional approach educational materials were shown on the cadaver, anatomical models, or bone. In the second method, each teaching ses...
Abstract The crosslink density of elastomers is the essential property that determines many other but especially mechanical product properties. Different raw materials, recycled and bio-based influence vulcanization may change when they are used as a substitute to conventional materials. Aim this study develop procedure allows reliable determination in highly filled EPDM compounds basis for fut...
objective(s):solanum acueastrum dunal.has been shown to have some chemotherapeutic value. leaf and berry water and methanol compounds of s. acueastrum were evaluated for possible antileishmanial activity in vivo on balb/c mice and in vitro against leishmania major promastigotes, amastigotes and vero cells. materials and methods: dry s. aculeastrum berry and leaf material were extracted in meth...
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