نتایج جستجو برای: Environmental Factors
تعداد نتایج: 1371345 فیلتر نتایج به سال:
one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...
autism is a developmental disability with age of onset in childhood (under 3 years old), which is characterized by definite impairments in social interactions, abnormalities in speech, and stereotyped pattern of behaviors. due to the progress of autism in recent decades, a wide range of studies have been done to identify the etiological factors of autism. it has been found that genetic and envi...
Background: Infertility with the prevalence of 15% is one of the main problems of the society. Preventing job injuries is one of the priorities of public health. Approximately 50% of total cases of infertility and subfertility is related to male. Some of the factors that affect male infertility are environmental. It is very difficult to ascertain the precise cause, but it seems that apart from ...
this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...
abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...
abstract autism is a developmental disability with age of onset in childhood (under 3 years old), which is characterized by definite impairments in social interactions, abnormalities in speech and stereotyped pattern of behaviors. due to the progress of autism in recent decades, a wide range of studies have been done to identify the etiological factors of autism. it has been found that genetic ...
The diversity and distribution of the rotifers family Notommatidae was studied in the northwest, the south and the southwest of Iran. In total, 29 species were identified, of which, 25 are new records for the country. New records include the following species: Cephalodella forficata, C. cf. mus, C. vittata, C. ventripes, C. lepida, C. inquilina, C. gibboides, C. tincaformis , C. obvia, C. stere...
background: today, cancer is one of the major health problems worldwide, and the importance of this disease in our country is growing. this cancer is the third cause of death and accounts for the second largest group of non-transmissible chronic diseases. colorectal cancer is the most common gastrointestinal cancer and includes 10% of deaths from cancer around the world. different genetic and ...
the diversity and distribution of the rotifers family notommatidae was studied in the northwest, the south and the southwest of iran. in total, 29 species were identified, of which, 25 are new records for the country. new records include the following species: cephalodella forficata, c. cf. mus, c. vittata, c. ventripes, c. lepida, c. inquilina, c. gibboides, c. tincaformis , c. obvia, c. stere...
the purpose of the present research was to study the properties of natural habitats and growth status of the genus tamarix in miankangi, sistan province, south-eastern iran. selective sampling was used to examine the natural stands structure. then, the one ha-rectangular sample plots were stablished in the stands and surrounding bare lands as control plots. quantitative variables of stands viz....
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