نتایج جستجو برای: 6 primary and secondary environmental parameters including hypsometric
تعداد نتایج: 17178279 فیلتر نتایج به سال:
abstract background: breast cancer is the most prevalent cancer among iranian women, and is the fifth cause of cancer-related death in iran. most studies have reported an overall excess of 20–30% chance for a second primary cancer to develop in individuals with a first breast cancer. in this study, we evaluated different factors might have a role in increasing the incidence of a second malignan...
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...
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
The past few decades have witnessed an increase in the prevalence of IgE-mediated food allergy (FA). For prevention strategies to be effective, we need to understand the causative factors underpinning this rise. Genetic factors are clearly important in the development of FA, but given the dramatic increase in prevalence over a short period of human evolution, it is unlikely that FA arises throu...
Sternal tumors are very rare and challenging. Secondary sternal tumors are more common than primary tumors. These tumors are usually refractory to chemotherapy and radiotherapy, and surgery is the best choice for their treatment. In this study, we reported the collected data of 15 patients with primary and secondary tumors of the sternum, histological type, as well as kind of resection and reco...
Morphometric analysis is mathematical evaluation and measurement of the earth’s shape, surface its landform’s dimension. Dhund river basin in Jaipur district Rajasthan India has been carried out to evaluate various morphometric parameters following linear, areal relief aspects. The drainage basin, which covers a total area about 1828 km2 lies eastern part with maximum minimum elevation 603 m 21...
in recent years many researchers have been focused on interaction of small molecules with dna. dna is generally the primary intracellular of anticancer drugs, so the interaction between small molecules and dna can cause dna damage in cancer cells, blocking the division of cancer cells and resulting in cell death. the flavonoids are a large group of polyphenolic natural products that are widely ...
The purpose of this study was to investigate the relationship between "Tehran Teachers' Attitude toward Environmental Education" and their "Readiness for Environmental Education to Students." This descriptive-sectional study was implemented on 127 primary school teachers in Tehran who were selected by stratified sampling and appropriate allocation and randomly selected in each class. Thus, amon...
in recent years, there has been a growing interest among researchers to investigate the relationship betweenteacher self-efficacy and classroom behavior management, especially students misbehavior. therefore, this study aimed to comparatively investigate english and arabic teachers’ use of different behavior managementstrategies, their self-efficacy, and their success in an iranian context. th...
INTRODUCTION The study of marine ecosystems has become a hot research topic in recent times. In fact, the number of manuscripts including the words “marine ecosystems” published since 1970 has immensely increased reaching between 1100 and 1500 articles per year in the past five years (Figure 1). Based on the keywords used in these manuscripts, the most frequent topics can be grouped into: (i) m...
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