Hand sanitizer berbahan dasar alkohol menjadi kebutuhan penting di tengah pandemi COVID-19 untuk menjaga kebersihan tangan karena memiliki kapabilitas dalam membunuh mikroba. Masyarakat mulai berinisiatif dengan membuat hand sendiri memenuhi mengacu pada standar pembuatan formula oleh World Health Organization (WHO) menggunakan etanol sebagai bahan baku utama sehingga menciptakan kelangkaan dan...

Background: Contamination of the environment due to heavy metals is a major concern to human life and the environment. This study was conducted to investigate and quantify the copper and zinc concentrations in industrial estates soil in Arak, Iran. Methods: Four industrial estates were considered for the experimental design, including Arak 1, Arak 2, Arak 3, and Ghotbe Sanaati. For prelimin...

abstract fluoride (f-) is an essential element for human and some animals. the fluoride concentration in irrigation water is an important index for water quality. the objective of the present study was to determine spatial variability of fluoride in groundwater and soils of some areas in arak plain. therefore, during two seasons, autumn (2007) and the end of spring (2008), 87 and 92 water sampl...

BACKGROUND The prevalence of obesity and overweight in children and adolescents is increasing world-wide. Obesity in children and adolescents is a major risk factor for diabetes, heart diseases, hypertension, and cancer in adulthood. AIM The aim of the study was to compare the nutritional status and food-stuffs among high-school girls in Arak, Iran, in matter of body mass index (BMI) and asso...

the main objective of this study was to arak city zoning geomorphological parameters of the model using fuzzy logic. in order to realize these objectives, 10 parameters including of height, distance from fault, distance from the main channel, distance from sub-channel, distance from road, slope percent, distance from settlements, terrain type, erosion potential and seismic vulnerability in the ...

The plaque-hke spindle poles in bakers ' yeast have been observed by several investigators, bu t the relaUonship of these structures to the nuclear envelope has not been clearly shown Several authors have noted an association of the p laque wi th a nuclear pore. Rob inow and 3,{arak (10) repor ted t h a t mitot ic spindle plaques were "se t in to" nuclear pores, and according to M o o r (7) pla...