Survey of calcium oxide as a heterogenous catalyst for biodiesel production from restaurant waste frying oil [PDF]
, 2020 Background and Aims: Today, biodiesel is being produced and consumed worldwide as one of the main sources for replacing fossil fuels. The purpose of this study was to investigate the production of biodiesel from restaurants waste frying-oil using ...
Alavi, Nadali +3 more
core +1 more source
Measurement of mass emission values of gaseous pollutants from the stack of Doroud Cement Plant [PDF]
, 2017 Background and Aims: Cement industries are known as one of the important sources of air pollution especially hazardous gases. Although several samples have been taken from stacks by environmental experts, accurate assessment of pollutant emissions, which
Godarzi, Gholamreza +3 more
core +1 more source
The Effect of Embedded Schiff Base Ligands on the Silica Nanoparticles to Improve the Removal of Thorium Ions from Aqueous Solution [PDF]
مجله علوم و فنون هستهای, 2016 : One of the most important safety problems and challenges of the countries having the nuclear technology is to find the methods for the treatment of the radioactive materials in the nuclear wastes.
Z Shiri-Yekta, A Nilchi
doaj
بررسی پارامترهای مؤثّر در “ فروشویی ستونی“ و امکان استفاده از آنها در روش “ فروشویی تپهای کانیهای اورانیم ساغند” [PDF]
مجله علوم و فنون هستهای, 2003 روش فروشویی تپهای(1) سنگ معدن اورانیومدار به سبب داشتن هزینههای کمتر و مزایای دیگر مورد توجّه تعدادی از کشورهای جهان قرار گرفته و در بسیاری از موارد جایگزین روش فروشویی متداول شده است.
مهرافروز مدنژاد +2 more
doaj
Survey of the residual polycyclic aromatic hydrocarbons in petroleum contaminated soils in Shahrekord in 2013 [PDF]
, 2015 زمینه و هدف: هیدروکربن های آروماتیک چند حلقه ای (PAHs) گروه بزرگی از آلایند های محیطی را تشکیل می دهند که به دلیل سمیت، سرطان زایی و نیز مقاومت نسبت به تجزیه از اهمیت خاصی برخوردار هستند. منشاً اصلی ورود آن ها به محیط، نفت و فراورده های نفتی می باشد. این
Arbabi, Mohsen. +5 more
core
Biosorption of Thorium(IV) from Aqueous Solutions Using Ca-pretreated Leaf Powder of Orientals Platanus [PDF]
مجله علوم و فنون هستهای, 2016 : The potential use of a biosorbent, Ca-pretreated leaf powder of orientals platanus was investigated for the sorption of Th (IV) ions from aqueous solutions by considering equilibrium, kinetic and thermodynamic aspects by means of the batch method.
S. A Milani, B Maraghe Mianji
doaj
Solid waste collection and transportation cost analysis of region 1 of Bandar-Abbas city [PDF]
, 2017 Background and Aims: Currently 80% of waste management costs in Iran include solid wastes collection, and about 60% is spent on workers payroll. Importance of this issue is little improvement in the collection operation has significant impact on total ...
Darvar, Pooria +5 more
core +1 more source
Relation between ghrelin, obestatin and ghrelin to obestatin ratio with bone mineral density in active and non-active men [PDF]
, 2014 زمینه و هدف: مطالعات گذشته بیانگر اهمیت حفظ انرژی کافی برای عملکرد نرمال هورمون ها در شکل گیری و استحکام استخوان ها است. گرلین و ابستاتین به ترتیب دو پپتید اشتهاآور و ضد اشتها هستند که در تعادل انرژی موثرند.
Jafari, Akram.
core
The Effect Different Level of Altitude on Lung Function in Male Athletes [PDF]
Both hypoxia and hyperorexia can change Lung Function in Different Level of Altitude objective of this study was to investigation the effect different level of altitude on lung function in male athletes.F0r this aim fifteen athletes, male (age; 21.66±4.
بلبلی, لطفعلی +4 more
core
Trend analysis of Air Quality Index criteria pollutants (CO, NO2, SO2, PM10 and O3) concentration changes in Tehran metropolis and its relationship with meteorological data, 2001-2009 [PDF]
, 2017 Background and Aims: Air pollution is a serious threat to public health and environment. Factors contributing to air pollution have to be identified in order to reduce the corresponding effects.
dousti, sina +2 more
core +1 more source