نتایج جستجو برای: mahneshan
تعداد نتایج: 19 فیلتر نتایج به سال:
Background and Objective: Human flea is assumed as the most dominant ectoparasite associated with transmitting diseases via biting humans. Insecticides are widely employed to curb this vector. Assessment of susceptibility level of populations to various pesticides is necessary for taking appropriate control measures. Materials and Methods: Subsequent to collection of human flee from indoor a...
Job burnout is the person's reaction to interpersonal stressors in the workplace. The aim of the present study was the discrimination of teachers with high and low job burnout on the basis of work ethic and organizational commitment. The research method was causal-comparative. The population consisted of all male and female employed teachers with different educational levels in the 2016-2017 ac...
Objective: The aim of this study was to compare dysfunctional attitudes, cognitive distortions, and difficulty in emotion regulation between people with substance abuse and normal people. Method: The research method of this study was descriptive and causal-comparative. The population of this study consisted of the men with substance abuse (opium and opium sap) who had referred to one of the reh...
the aim of this descriptive- correlational study was to assess trout farm fisheries owners' managerial skills and its relation with their farm yield. the statistical population consisted of all trout farm fisheries with official production license in mahneshan county (147 units) which 110 units as sample selected by multi-stage randomized sampling method based on cochran's sampling fo...
agriculture sector in iran and some other countries of the world has a vital role in national development. animal husbandry sub-sector needed meat of the society, creating related jobs and producing raw materials of some industries. acquiring scientific and sound information of the current situation of regions are important and imitative step in improvement program planning. the purpose of this...
introduction the lulak abad iron occurrence is located in the northwestern part of the central iran, 55 km west of zanjan. mineralization at the lulak abad area was originally identified by zamin gostar company (2007), during a geophysical exploration. the present paper provides an overview of the geological framework, the mineralization characteristics, and the results of a geochemical study o...
According to studies and research of Hadley Climate Prediction Center, in the 21st century, pervasive and severe drought, will be threatened the lives of millions of people around the world because of global warming. Forasmuch as the drought affects different sectors of society, therefore, monitoring and evaluation of this phenomenon in the future to proper planning is essential. To this end, t...
Background and Objective: The contamination of soils and plants with heavy metals is a serious and growing problem. The present study aimed to determine the concentration of heavy metals in soil and some agricultural products and the probability of risks due to their consumption. Materials and Methods: This cross-sectional descriptive study was performed using random sampling at harvest time...
Prioritization of watershed basins includes classification of sub-basins on the basis of the existing conditions and erosion intensity, which ultimately leads to protective operations and watershed management in more significant and susceptible sub-basins. In this research, in order to prioritize Ghezel Owzan-Sefidrud sub-basins against sensitivity to erosion, linear and form-based morphometric...
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