نتایج جستجو برای: samples were divided into three sections
تعداد نتایج: 5214360 فیلتر نتایج به سال:
A common practice in the commercial broiler industry is to reuse litter over multiple broiler flocks. Over time the bacterial populations in the reused litter increases but how those organisms are spatially distributed throughout the litter bed is unclear. Therefore, the goal of this project was to investigate the distribution of bacteria at three different depths of litter. Litter samples were...
Geometric analysis of root canals prepared by single twisted file in three different operation modes
OBJECTIVE The aim of this study was to evaluate and compare the effects of a single twisted file (TF) instrument in three different operation modes on the preparation of curved root canals in human molars and to explore a new possible method in canal shaping in the clinic setting. MATERIALS AND METHODS A total of 105 selected root canals with an angle of curvature ranging from 20° to 35° were...
چکیده در بخش اول این پروژه دو روش میکرواستخخرا به نامهای میکرواسخخرا امولسیونی با کمک اموا فراصتتتو 1 و میکرواستتتخخرا مای – مای با کمک هوا 2 ، به عنوان دو روش میکرواستتتخخرا بدون حلال پخشکننده 3 ، برای اسخخرا برخی هیتدروکربتنهای آروماتیتک حلقوی 4 از نمونتههای آبتی بهکار گرفخه و پارامخرهای موثری همچون نوع حلال اسختتتتخرا کننده، حجم حلال اسخخرا کننده، میزان نمک، زمان تابش اموا فراصتو ، تددا...
objectives: the present study was conducted to determine the effect of local and systemic inflammation on the quantity and localisation of gingival mesenchymal stem cells (gmscs). materials & methods: gingival samples were collected from 34 systemically healthy (group1) and 10 consenting adult patients with type 2 diabetes mellitus (t2dm) (group2) who had reported for various dental treatment r...
introduction: the aim of this study was to compare the marginal adaptation of mineral trioxide aggregate (mta) and calcium-enriched mixture(cem) cement apical plugs in open apex teeth in dry, blood- and saliva-contaminated canals. methods and materials: a total of 120 human extracted single-rooted teeth were used. the teeth were decoronated and canals were cleaned and shaped up to #80 k-files. ...
The Royal Army Medical Corps supplied one Field Ambulance unit (a Boer War innovation) in support of each Brigade. The role of the Field Ambulance was to evacuate and treat casualties but major injuries were only definitively treated in the Casualty Clearing Stations or Base Hospitals well behind the front. Each Field Ambulance had 10 officers and 240 men divided into 3 sections which in turn w...
Material and Methods. Total of 48 female Wistar rats were divided into four groups. Control group was given saline daily, intra-muscularly, and the other three groups MPA in doses of 7.5, 15.0 and 75.0 mg/kg bw during 30 days. Paraffin sections from adrenal glands were stained according the following methods: hematoxylin-eosin, Azan modified by Heidenhein, Van-Gieson, Kossa-Goldner, Masson and ...
T. minus L.is a complex species which has been divided into three varieties in Turkey.These are var.minus, var.majus (Crantz) Crepin and var. microphyllum Boiss. In this study, stem and leaf anatomial features of the varietieswere described, compared andsome differences have been determined in between the varieties.In transverse sections of stems;the shape of stems, presence or absence of trich...
this study investigates the effect of teacher’s repetition as an input enhancement technique in explicit teaching of vocabulary items on efl learners’ later retrieval. to this end, 66 persian speaking english learners, aged 18 - 29, homogenized through a standard proficiency test (opt), were chosen and put into two experimental and control groups, each 33 learners. general service list (gsl), a...
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