نتایج جستجو برای: qaen
تعداد نتایج: 41 فیلتر نتایج به سال:
Introduction In the current century, known as the century of cities, a significant part of the world's population lives in cities and the trend of increasing urbanization continues. In such circumstances, the important question is to what extent cities are suitable places for human life. Hence, the concept of urban livability and livable city has become one of the most widely used concepts in...
Background: The spread of Coronavirus Disease 2019 (COVID-19) caused restrictions and shutdowns affecting the economic situation, employment, educational needs society. Meanwhile, universities medical sciences have faced serious problems in education. Objectives: present study aimed to assess satisfaction students Qaen Ferdows schools with virtual education during COVID-19 epidemic. In addition...
this study was carried out to investigate the effective environmental factors in the distribution of vegetation in zirkouh rangelands of qaen. after delimitation of the study area, sampling of soil and vegetation were performed using randomized- systematic method. vegetation cover was recorded by using braun-blanquet combined abundance-cover scale in each sample. within each sample, one profile...
leather artifacts have organic and degradable structure and some historic samples have remained from different historical periods. studies of these scarce specimens have a great importance in the conservation procedure by which the structural study of leather artifact for understanding production process and used materials can be achieved. for this purpose a historic leather bottle has been stu...
The behavior of earth dams has particular complexities against dynamic forces and its assessment requiresdetailed and scientific analysis. The Farrokhi earth dam is a heterogeneous type with vertical clay core, built 150 km away from Birjand and 41 km away from Qaen on the Farrokhi River. There are concernsregarding the stability of this dam in the event of a future severe earthquake especially...
The Hatamabad prospect area is located in northeast of Qaen, South Khorasan Province and in northeast of Lut block. The geology of area consists of volcanic rocks with basalt- andesite composition and sedimentary sequences (mudstone, limestone, and conglomerate) with Paleocene-Eocene age that monzodioritic dikes were intruded in them. Monzodioritic dikes have high-k calc-alkaline and metalumino...
Introduction: The present research was done, aiming to study the relationship between pessimism and educational conflict with mediation role of hope for future of pre-university students. Methods: The present research was descriptive and correlative, done on 273 persons of pre-university of Qaen city. Samples were chosen by clustering sampling. To gather data were used of 3 standard questionna...
a field study was conducted in qaen region using complete randomized blocks with three replications to study the effect of organic manure, zinc and boron on yield and yield components of millet and grain chemical composition. the treatments included factorial arrangement of municipal solid waste compost and cow manure (each at 25 ton ha-1), zn (0, 50 kg ha-1) and b (0, 10 kg ha-1) by using thei...
Extended Abstract Background and objectives: In order to further protect rangeland ecosystems, range suitability in this regard should be investigated before the utilization of medicinal and industrial plants. Plant composition and production and slope of the slope are among the components that determine the suitability of rangeland for the use of medicinal plants. For this purpose, in four ...
the present study was conducted to quantify the density and abundance of weeds in wheat fields of south khorasan province during 2010 and 56 species of weed form 16 plant families were identified in 240 farms of eight towns around this province. the most families in number of species were pertaining to poaceae, asteraceae and chenopodiaceae with 15 (26.79%), nine (16.7%), six (10.71%) and six (...
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