نتایج جستجو برای: systematic ichnology

تعداد نتایج: 289333  

2009
Jeffrey A. Wilson Claudia A. Marsicano Roger M. H. Smith

BACKGROUND A new investigation of the sedimentology and ichnology of the Early Jurassic Moyeni tracksite in Lesotho, southern Africa has yielded new insights into the behavior and locomotor dynamics of early dinosaurs. METHODOLOGY/PRINCIPAL FINDINGS The tracksite is an ancient point bar preserving a heterogeneous substrate of varied consistency and inclination that includes a ripple-marked ri...

2015
Rachel Hale Richard Boardman Mark N Mavrogordato Ian Sinclair Trevor J Tolhurst Martin Solan

The architecture of biogenic structures can be highly influential in determining species contributions to major soil and sediment processes, but detailed 3-D characterisations are rare and descriptors of form and complexity are lacking. Here we provide replicate high-resolution micro-focus computed tomography (μ-CT) data for the complete burrow systems of three co-occurring, but functionally co...

Journal: :the archives of bone and joint surgery 0
soheil sabzevari 1department of orthopedic surgery, university of pittsburgh medical center, pittsburg, usa adel ebrahimpour 2department of orthopedic surgery, shahid beheshti university of medical science, tehran, iran mostafa khalilipour roudi 3department of orthopedic surgery, mashhad university of medical science, mashhad, iran 4harvard medical school, boston, usa amir r. kachooei mashhad university of medical sciences, mashhad, iran department of orthopedic surgery, mashhad university of medical science, mashhad, iran 4harvard medical school, boston, usa

high tibia osteotomy is a common procedure in orthopedic surgery. a precise overview on indications, patients selection, pre-operative planning, surgical technique, methods of fixation, and complications have been presented. this paper focused on the points that should be considered to achieve good long-term outcomes. high tibia osteotomy is a common procedure in orthopedic surgery. a precise o...

1999
Luis A. Buatois M. Gabriela Mángano Timothy R. Carr

Integration of ichnologic, sedimentologic, and stratigraphic studies of cores from Lower Pennsylva-nian oil and gas reservoirs (lower Morrow Sandstone, southwest Kansas) allows researchers to distinguish between estuarine-and open-marine deposits. This study represents one of the first published ichnologic analyses of a Paleozoic reservoir and, therefore, provides a unique opportunity to test t...

Journal: :بهداشت و توسعه 0
محمود موسی زاده نرگس خانجانی

background: the presence of organochlorine pesticides in the environment is a serious threat to human health and requires continuous monitoring. therefore, in the present systematic review, the residual amount of different organochlorine pesticides in human samples has been investigated.   methods: all accessible databases in english and farsi were searched by using organochlorine and related p...

Journal: :medical journal of islamic republic of iran 0
pedram golnari center for educational research in medical sciences, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: center for educational research in medical sciences faezeh sodagari center for educational research in medical sciences, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: center for educational research in medical sciences hamid reza baradaran center for educational research in medical sciences, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: center for educational research in medical sciences

background :research in medical education has been paid more attention than before however the quality of research reporting has not been comprehensively appraised.to evaluate the methodological and reporting quality of iranian published medical education articles.   methods: articles describing medical students, residents, fellows or program evaluation were included. articles related to contin...

ژورنال: :مجله گیاهشناسی ایران 2015
شهریار سعیدی مهرورز

ساختار ساقه و برگ 4 تاکسون از جنس odontites  از نظر تشریحی مورد مطا لعه قرار گرفت. شرح کامل مشخصات برگ هر تاکسون ارائه می شود. کلید شناسایی با استفاده از ویژگیهای تشریحی برگ برای تاکسون های مورد بررسی ارائه می گردد. گونه o. glutinosa با سایر گونه ها در داشتن برش عرضی برگ isobilateral با سایر گونه های مطالعه شده متفاوت است.

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