نتایج جستجو برای: histological techniques
تعداد نتایج: 693579 فیلتر نتایج به سال:
Introduction: Hypothermia is used as an adjunct in surgery of different organs including heart, liver, brain and thyroid .It can be produced by different techniques such as superficial cooling ,cooling of blood and pharmacological cooling . Hypothermia has several effects on function of different organs and tissues including heart, lung ,liver, brain ,thyroid and vascular system .In this study,...
The history of histology indicates that there have been significant changes in the techniques used for histological staining through chemical, molecular biology assays and immunological techniques, collectively referred to as histochemistry. Early histologists used the readily available chemicals to prepare tissues for microscopic studies; these laboratory chemicals were potassium dichromate, a...
End-to-end anastomosis in the A.Carotis communis of rats (average diameter 0,8-1,Omm) was achieved using Nd-YAG laser, Morphological and histological findings of laser anastomosis and suture anastomosis specimens were compared by the LAMA technique, The rats were examined 1 day. 1 month and 2 months postoperatively. Macroscopic. angiographic. histological and SEM studies showed no development o...
In an attempt to confirm the presence or absence of central nervous tissue in commercially prepared beefburgers, four burgers were processed and stained using routine histological laboratory techniques. Constituent parts of the burgers could be identified readily. In this small sample no central nervous tissue was found. There is currently considerable general interest in the contents of foodst...
The aim of this study was to assess the accuracy of protected telescoping catheter performed using: 1) protected distal aspiration, or 2) protected mini-bronchoalveolar lavage for the diagnosis of ventilator-associated bacterial pneumonia. Twenty-seven patients who died after receiving mechanical ventilation for at least 72 h were included in a comparative prospective post-mortem study. The two...
this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...
بررسی تطبیقی بازده حاصل از کاربرد تحلیل های تکنیکال و روش خرید و نگهداری در بورس اوراق بهادار تهران چکیده در این پژوهش بازدهی حاصل از روش های تجزیه و تحلیل تکنیکی و روش خرید و نگهداری در فرض قابل پیش بینی بودن قیمت ها و عدم وجود شکل ضعیف فرضیه بازار کارا که توسط فاما در سال 791 مطرح گردیده است ، فعالیت میکند . در این مطالعه چهار روش از پر کاربردترین و معتبر ترین روش های تحلیل تکنیکی مورد بر...
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