نتایج جستجو برای: کاتیون ca
تعداد نتایج: 124116 فیلتر نتایج به سال:
∗Research (partially) supported by Hungarian National Foundation for Scientific Research, grant nos. K68398, K75016, FP7 IEF grant GEOSUMSETS. ∗∗Research (par-
This paper examines how the difference in institutional environments constitutes differential IPO underpricing across countries. Using the Heritage Foundation’s Index of Economic Freedom (IEF) as a proxy for the heterogeneous institutional environment, and a sample of 3728 IPOs from 22 countries and regions over the period 1993–2014, we find that countries with higher economic freedom have sign...
this experiment was conducted to evaluate the effects of different levels of calcium (ca) and phosphorus (p) on performance native hens of khorasan province. a total of 400 native hens from khorasan station were used in a completely randomized design (factorial experiment) with 8 treatments, 5 replicates and 10 hens in each replicate of age 26 to 50 weeks. eight experimental diets based on cor...
Aluminum hydroxide is a compound with diverse crystalline structures, some of which demonstrate the ability to remove chemicals from aqueous solutions. In this research, aluminum hydroxide with the Bayerite structure was synthesized and used to remove Citric Acid (CA). This structure was not modified under the reaction conditions where CA ranged from 2 to 6 mg of CA in 20 mL of water, the t...
immune system in elderly people. This study aimed to investigate the effect of eight weeks of high-intensity interval training (HIIT) and low-intensity continuous training (LICT) along with Citrus aurantium (CA) extract on tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6) in soleus muscle tissue of aged female rats. Materials and Methods: A total of 42 aged female rats were divided...
.دراین تحقیق توانایی اگزروژل تترااتوکسی سیلان(teos) برای جذب دو یون فلزی (+cr3+,cu2) ازمحلول های آبی مورد مطالعه قرار گرفت و تاثیر عوامل مختلف مانند زمان، ph، مقدار جاذب و دما روی جذب این فلزات بررسی گردید. همچنین رفتار جذب این دو کاتیون توسط مدل های مختلف ایزوترم مورد ارزیابی قرارگرفت. نتایج جذب بهترین تطابق را با مدل ایزوترم دوبینین- راداشکویچ داشتند که موید قدرت جذب بالاتر +cr3 با بیشینه ظر...
The required water for greenhouses in Kishestan, Soume-e-Sara town, Guilan province, Iran, is mainly provided by underground resources that have inappropriate quality. One way to reduce the impact of salinity an plant growth is proper nutrition. This greenhouse research was conducted to evaluate the effect of water salinity and foliar spray of calcium (Ca) and silicon (Si) on growth and vase li...
Background and objective: Nutrition and physical activity are two factors which affecting the control of body composition and cardiorespiratory fitness in the elderly population. Present study aimed to investigate the effects of continued training (CT) and high intensity interval training (HIIT) along with Citrus aurantium (Ca) on aerobic power and body composition of elderly rats. Material An...
در اکوسیستم های جنگلی، تجزیه لاشبرگ مهمترین راه ورود عناصرغذایی به خاک می باشد و قابلیت در دسترس بودن عناصرغذایی خاک به میزان زیادی ناشی از پویایی عناصرغذایی و تجزیه لاشبرگ در جنگل می باشد. این تحقیق با هدف ارزیابی پویایی عناصرغذایی و تجزیه لاشبرگ در حالت های انفرادی و ترکیبی در جنگل طبیعی راش و توده های خالص و آمیخته توسکای ییلاقی و نوئل با استفاده از روش litterbag به مدت 400 روز در منطقه لاجی...
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