نتایج جستجو برای: marginal areas

تعداد نتایج: 440087  

Journal: :علوم گیاهان زراعی ایران 0
بهمن پاسبان اسلام استادیار مرکز تحقیقات کشاورزی و منابع طبیعی آذربایجان شرقی

safflower as an original crop in iran has high adaptability to different environmental conditions. iran is one of the original areas of safflower as a drought and salinity tolerant crop. therefor, safflower can be a suitable alternative crop for cultivation in marginal areas. the aims of research were studying the late season drought effects on seed and oil yields and its components of fall saf...

Journal: :journal of dentistry, tehran university of medical sciences 0
f farid dental research center and department of prosthodontics, school of dentistry, tehran university of medical sciences, tehran, iran. h hajimiragha r jelodar a s mostafavi h nokhbatolfoghahaie

to evaluate the influence of core thickness and fabrication stages on the marginal accuracy of ips e.max press crowns.twenty ips e.max press crowns, 1.5mm thick, were fabricated on metal dies. the crowns had two different core thicknesses, 0.8mm for group a and 1mm for group b, ten for each group. marginal gap was measured after each stage of core fabrication, veneering and glaze firing. the sp...

Journal: :medical journal of islamic republic of iran 0
nasim vahabi department of biostatistics, faculty of medical sciences, tarbiat modares university, tehran, iran.سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) anoshirvan kazemnejad department of biostatistics, faculty of medical sciences, tarbiat modares university, tehran, iran.سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) ramazan fallah department of biostatistics, faculty of medical sciences, tarbiat modares university, tehran, iran.سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university)

background: growth failure in children less than five years old can lead to the serious complications such as increased mortality, learning difficulties or physical disability. the aim of this study was to investigate the non-organic factors affecting the growth trend in less than two years children living in zanjan, iran.   methods: this longitudinal study was conducted on a sample of 3566 chi...

Journal: :BioMed research international 2016
Jae-Hong Kim Seunghan Oh Soo-Hyuk Uhm

The aim of this study is to quantify the effect of the crystallization process on lithium disilicate ceramic crowns fabricated using a computer-aided design/computer-aided manufacturing (CAD/CAM) system and to determine whether the effect of crystallization is clinically acceptable by comparing values of fit before and after the crystallization process. The mandibular right first molar was sele...

2013
Kurt Paulsen

Does growth management result in lower marginal land consumption rates? The literature offers inconclusive and inconsistent results. This paper uses new data covering all U.S. metropolitan areas and multiple time periods to estimate panel models of effects of growth management on the spatial extent of urban development. Dummy variable estimation misleadingly suggests that growth management incr...

2017
Mohammad Abdul Malek Franz W. Gatzweiler Joachim Von Braun

This paper adds a contribution in the existing literature in terms of theoretical and conceptual background for the identification of idle potentials of marginal rural areas and people by means of technological and institutional innovations. The approach follows ex-ante assessment for identifying suitable technology and institutional innovations for marginalized smallholders in marginal areas-d...

توکلی فرد, اصغر, قاسمیه, هدی, مشهدی, ناصر, نظری سامانی, علی اکبر,

  Kashan Erg is one of the most important sand dunes complexes in Iran. Due to erosive winds, always, Erg's marginal areas are faced to the transition of moving sands. So, in this research, the sand dune activity was investigated by Lancaster index. In this line, Erg's morphology map was prepared using aerial photographic, Google earth software and field observations. Then, maps of iso...

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