نتایج جستجو برای: stability study

تعداد نتایج: 4195071  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

the purpose of this study was to investigate iranian efl learners’ beliefs about the role of rote learning (rl) in vocabulary learning strategies; besides, the study examined if english proficiency would influence learners’ vocabulary learning strategy use. this study addresses the need for a clear understanding of the role of rl in efl vocabulary learning by looking at iranian efl learners’ ow...

Journal: :Bio-Medical Materials and Engineering 2015

Journal: :Journal of Applied Physics 1961

2006
Aleksey N. Kolmogorov Stefano Curtarolo

We have recently identified metal-sandwich MS crystal structures and shown with ab initio calculations that the MS lithium monoboride phases are favored over the known stoichiometric ones under hydrostatic pressure Phys. Rev. B 73, 180501 R 2006 . According to previous studies synthesized lithium monoboride LiBy tends to be boron deficient y=0.8–1.0 , however, the mechanism leading to this phen...

Journal: :Pakistan journal of pharmaceutical sciences 2016
Ning Yang Li Huang Jiamin Yuan Zhifang Zhang Zhimin Yang

The stability of meridian detector was the basis to study meridian through conductance method. Ancient documents mentioned that the human body's blood could change with the time and meridians. When qi and blood came, the qi and blood would be full of that place; when qi and blood gone, the local skin shining could fade and recess. It liked the tidal fluctuation, then caused the corresponding ac...

Journal: :journal of dentistry, tehran university of medical sciences 0
ar. rokn associate professor, department of periodontics, school of dentistry, tehran university of medical s aar. rasouli ghahroudi assistant professor, department of periodontics, school of dentistry, tehran university of medical s as. miremadi associate professor, department of oral and maxillofacial surgery, school of dentistry, tehran unive mj. kharazi fard statistical consultant, dental research center, tehran university of medical sciences, tehran, iran a. mesgarzadeh associate professor, department of oral and maxillofacial surgery, school of dentistry, tehran unive

objective: to assess the stability changes as a reflection of early healing around roughened- surface implants in human by resonance frequency analysis (rfa). materials and methods: one hundred and fifty one iti sla implants were placed in either maxilla or mandible of 68 patients. bone type was classified into 4 groups according to lekholm and zarb index. rfa was used for direct implant stabil...

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