نتایج جستجو برای: analysis normal 0 false false false en
تعداد نتایج: 4276791 فیلتر نتایج به سال:
normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: to measure the amounts of fluoride released from fluoride-containing materials, four glass ionomer cements (fuji ix, fuji vii, fuji ix extra and fuji ii lc), a compomer (dyract extra) and a giomer (beautifil) were used in this study . methods: twenty cylindrical specimens were prepared from each material. the a...
normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: the aim of research was to study spiral family implant by finite element analysis (fea) inserted in different bone qualities connected with abutments of different angulations. methods: the biomechanical behaviour of 4.2 × 13 mm dental implants, connecting screw, straight and 15° and 25° angulated abutments subj...
چکیده زمینه: حوادث کاری به هر شکلی که باشند مشکلات زیادی را از نظر اقتصادی و اجتماعی بر جامعه تحمیل می کنند. این دسته حوادث علاوه بر خسارت های مستقیم و صدمه به اشخاص، بطور غیر مستقیم نیز باعث خسارت و رکود کاری می شوند. از سوی دیگر آگاهی از وضعیت حوادث و شناسایی علل آنها می تواند راه گشای پیشگیری از تکرار وقوع آنها باشد، لذا این مطالعه با هدف بررسی اپیدمیولوژیک حوادث ناشی از کار در شاغلین صنایع ...
background: long-term tunneled catheters are used for the hemodialysis or chemotherapy in many patients. proper placement of the catheter tip could reduce early and late catheter related complications. aim of the present study was to evaluate a new formula for proper placement of tunneled hemodialysis or infusion port device by using an external anatomic landmark. materials and methods: a total...
background: obesity has been associated with several co ‑ morbidities such as diabetes and increased mortality. in general, the use of medication promotes only a modest weight loss in the range of 2 to 10 kg, usually most effective during the first 6 months of therapy; however, studies have shown positive effects on other risk factors such as blood pressure and serum glucose levels, but there...
review studies are those researches in which the population under study consists of original articles in a defined field of human knowledge. the aim of the present review article is to overview such review studies and to determine the advantages and disadvantages of each study within the health domain. at the end of 2012 the pub med search engine was searched using “ systematic reviews ” and “ ...
normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 backgroun: little research has been carried out on whether the parental stress affects children's oral health in general and dental caries in particular. this study aimed to investigate the association between parental stress and early childhood caries (ecc). methods: a cross-sectional study was designed that included 250 ...
800x600 چکیده زمینه: مهم ترین ترکیب آلکالوئیدی موجود در توتون، نیکوتین است. اعتیاد به نیکوتین حدود 30% از جوامع را در کشورهای مختلف درگیر می کند و عامل اصلی استعمال دخانیات به شمار می رود . پری فرونتال قسمتی از کورتکس مغز است که نقش بسیار مهمی در شخصیت و وضعیت روحی داشته و باقرار گرفتن در مسیر سیستم دوپامینی مزوکورتیکولیمبیک آن را عامل اصلی اعتیاد می دانند. با این حال با توجه به اهمیت نقش قشر پ...
v:* {behavior:url(#default#vml);} o:* {behavior:url(#default#vml);} w:* {behavior:url(#default#vml);} .shape {behavior:url(#default#vml);} introduction: sleeping is one of the important biological needs of human beings which has an important role in maintaining health and quality of life. driving is one of the occupational groups in which the quality of sleep is of a great importance for job pe...
normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 vascular neoplasms, other than benign are characterized as intermediate or malignant. they are often enshrouded in controversy, because the same neoplasm could show variability in biologic behavior that may not be correlated with microscopic features. the intermediate grade vascular neoplasm is named as epithelioid hemangi...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید