نتایج جستجو برای: wearing crown
تعداد نتایج: 28545 فیلتر نتایج به سال:
Gold Ducat ofJames V ofScotland. This coin, the bonnet piece, shows James wearing the insignia of the Order of the Thistle. Its life-like quality gives an indication of his character, which enabled him to survive all the attacks of his own nobles as well as his neighbour, Henry VIII. Silver Petition Crown of Charles II. Thomas Simon had been chief engraver to Cromwell. At the Restoration he was...
مطالعات تئوری در این پروژه به سه دسته تقسیم می شود: 1-مطالعات تئوری بر روی ساختار و پروتون خواهی: 12-crown-4 ، 15-crown-5، 18-crown-6 و کمپلکس های na li+, وk مربوطه 2- محاسبه ثابت های تشکیل کمپلکس های اترهای تاجی فوق با li , na و k در حلال های مختلف 3- مطالعات تئوری روی برهمکنش کمپلکس های اتر تاجی [m(12-crown-4)]+ (+(m+=li+, na+, k+ با یون های هالید (f-, cl-, br-) و نیزتعدادی از مولکول های...
Background & Aims: Considering the increasing prevalence of breast cancer, today, the main problem in the field of women's health is the control and prevention of breast cancer. One of the main areas in preventing this disease is controlling the risk factors associated with lifestyle. Wearing of brassiere is also a lifestyle-related habit that has sparked many debates today as a risk factor for...
Introduction: With the increasing severity of the COVID-19 epidemic, wearing a mask was recommended. This recommendation seems to have created concern among the public. Wearing a mask generally reduces the risk of virus and therefore potentially saves lives. In healthy populations, wearing a mask does not appear to cause any harmful physiological changes, and the potentially life-saving benefit...
Humans adapt their risk-taking behaviour based on perceptions of safety; this risk compensation phenomenon is typified by people taking more risks when using protective equipment. Existing studies have looked at people who know they are using safety equipment, and have specifically examined changes in behaviours against which that equipment might reduce risk. We demonstrate risk-taking increase...
Evaluation of relative frequency of chronic atrophic candidosis in patients with denture referred to dental offices in Yasouj (2003) Dr. F. Khozeimeh* - Dr. T. Bahremand** *- Assistant Professor of Diagnosis and Oral Diseases Dept. - Faculty of Dentistry – Isfahan University of Medical Sciences. **- Dentist. Background and Aim: One of the epidemic side – effects of wearing denture is chronic at...
Babbitt is a white silvery alloy that composed of Tin, Lead, Copper and Antimony. This alloy is the most current bearing alloy in industrial applications. The characteristics of this alloy, such as high wearing resistance and low coefficient of friction, have converted it into a bearing cover. The target of this study is investigation on the effects of alloy elements on wearing and micro-struct...
babbitt is a white silvery alloy that composed of tin, lead, copper and antimony. this alloy is the most current bearing alloy in industrial applications. the characteristics of this alloy, such as high wearing resistance and low coefficient of friction, have converted it into a bearing cover. the target of this study is investigation on the effects of alloy elements on wearing and micro-struct...
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