نتایج جستجو برای: in semnan
تعداد نتایج: 16976301 فیلتر نتایج به سال:
livestock grazing is one of the most important kinds of land usage that has a high potential to decrease or increase carbon storage in rangeland ecosystem. this research was investigated the effects of enclosure on soil carbon storage in a rangeland with dominant plants of artemisia aucheri. hence, two rangelands of enclosure (shahtappeh-chah mahmood) and no enclosure (chiro) were chosen in sem...
relationships between soil factors and vegetation types in playa of damghan was investigated. six vegetationtypes including artemisia.sieberi, arundo. sp, artemisia.sieberi-peganum.harmala, alhagi.cammelerom,artemisia.sieberi-petropyron.sp, tamarix.passerinoides-halocnemum strobilaceum. one bare land was recognized inthe study area and the research was conducted within mentioned types. canopy p...
گونه asparagus touranensisمتعلقبهزیرجنس asparagopsis بوده و قرابت و ارتباط آن با زیر گونه asparagus capitatus subsp. gracilis در برگ های خاری قاعده ساقه، شکل کلادود و فرم رویشی است. تفاوت این دو تاکسون در محل مفصل دم گل، اندازه کلادود، اندازه دم گل و نسبت دم گل به پوشش گل است. این تاکسون به عنوان گونه ای جدید از ایران گزارش می گردد. این گونه از مناطق مختلف ایران شامل سمنان، خراسان ، خوزستا...
Introduction: Congestive Heart Failure (CHF) is a pathophysiologic state in which an abnormality of cardiac function is responsible for the failure of the heart to pump blood at a commensurate rate with the requirements of the metabolizing tissues and/or allows it to do so only from an abnormally elevated diastolic volume. In this study, the prevalence of precipitating factors of CHF in Semna...
BACKGROUND The World Health Organization (WHO) defines mental health as "a state of well-being in which every individual realizes own potential, can cope with the normal pressures of life, is able to work effectively, and can make a contribution to community". OBJECTIVES Mental Health Problems (MHP) is a great concern for all societies in terms of its burden and impact. This survey screened M...
(1) Background: The present study developed and evaluated a personal emotional capital questionnaire (PECQ) for adults that assessed 10 domains of capital. (2) Method: Initially, 100 items were created then administered to students attending Semnan University Medical Sciences in Iran. Of the 700 questionnaires distributed, 527 completed full. Students sampledusing multi-stage random cluster met...
AbstractIntroduction: The present research aimed to determine the epidemiology of enuresis and the related factors in primary school students in the city of Semnan. Method: In this research 1200 students of 7-11 years of age were selected from 26 schools using randomized cluster sampling, and their parents were asked to fill in the questionnaire of enuresis. Study data were analyzed using Fis...
Background and Objective: Rural wastewater management is recognized as one of the pillars of sustainable development. Therefore, the purpose of this study was to assess needs and prioritization of establishment of rural wastewater management facilities in order to supply a safe and alternative water source in the provinces of Iran experiencing severe water stress. Materials and Methods: This i...
ammonia in air can be hazardous to human and animal life and should be removed from the environment. recently the removal of environmental pollutants such as ammonia by means of natural and modified zeolites has attracted a lot of attention and interests. in this study the capability of three iranian natural zeolites (clinoptilolite) in point of view of removal of ammonia from air was investiga...
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